trial

This reverts commit 58692a7fd8.

.gitignore

@@ -0,0 +1,9 @@
+*.o
+*.a
+*.lo
+*.so
+*.exe
+fxgasm.h
+*.exe
+fxgasm
+fxinline.h

Device3Dfx/ChangeLog

@@ -0,0 +1,300 @@
+2011-07-03  Guillem Jover  <guillem@hadrons.org>
+
+	* Makefile (KBUILD): Handle Linux 3.x versions.
+
+2011-07-03  Guillem Jover  <guillem@hadrons.org>
+
+	* Makefile (help): Do not print command only their output.
+
+2011-05-27  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (MODULE_VERSION): Bump to '2011.05.27'.
+
+2011-05-27  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c [HAVE_UNLOCKED_IOCTL] (ioctl_3dfx): Use new
+	prototype for unlocked_ioctl.
+	(fops_3dfx) [HAVE_UNLOCKED_IOCTL]: Assign ioctl_3dfx to
+	.unlocked_ioctl instead of .ioctl.
+
+2011-05-27  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c: On Linux >= 2.6.33, use <generated/autoconf.h>
+	instead of <linux/autoconf.h>. Include it after <linux/version.h>.
+	* Makefile (VERSION_HEADER): Use generated/utsrelease.h if present
+	instead of linux/utsrelease.h or linux/version.h.
+
+2011-05-27  Guillem Jover  <guillem@hadrons.org>
+
+	* Makefile: Do not use negative exit codes.
+
+2008-06-24  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (MODULE_VERSION): Bump to '2008.06.24'.
+
+2008-06-24  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (KERNEL_MIN_VER): Remove defenition, and replace all
+	users with its contents.
+
+2008-06-24  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (pci_dev_put): Define to nothing on kernels < 2.5.73.
+	(setmtrr_3dfx): Call pci_dev_put to release the refcount on the
+	Intel 82441FX PCI device when done with it.
+
+2008-06-22  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (id_table_3dfx): Terminate the list with an empty
+	element.
+
+2008-06-22  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (pci_get_device): On Linux < 2.5.73 define it as
+	pci_find_device.
+	(findCardType, setmtrr_3dfx): Use pci_get_device instead of deprecated
+	pci_find_device.
+
+2008-06-22  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (cleanup_module): Ignore return value from
+	unregister_chrdev as it actually returns void now.
+
+2007-02-06  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (MODULE_VERSION): Bump to '2007.02.06'.
+
+2007-02-06  Guillem Jover  <guillem@hadrons.org>
+
+	Fix warnings when not checking pci_register_driver return codes.
+
+	* 3dfx_driver.c (findCards): Return int instead of void, and normalize
+	error code to be always negative, otherwise return numCards.
+	(init_module): Check for findCards return code, print a warning and
+	exit the module on error.
+	(init_3dfx): Likewise.
+
+2007-02-06  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_driver.c (HAVE_DEVFS): Define to 1 if
+	LINUX_VERSION_CODE >= 2.3.46 and LINUX_VERSION_CODE <= 2.6.17 or
+	if DEVFS_SUPPORT is defined, define to 0 otherwise.
+	(devfs_handle): Only use if HAVE_DEVFS.
+	(init_module): Only use devfs_mk_cdev or devfs_register if HAVE_DEVFS.
+	(cleanup_module): Only use devfs_remove or devfs_unregister if
+	HAVE_DEVFS.
+
+2007-02-06  Guillem Jover  <guillem@hadrons.org>
+
+	* Makefile (CFLAGS): Use '-march' instead of the deprecated '-mcpu'.
+
+2007-02-06  Guillem Jover  <guillem@hadrons.org>
+
+	* kinfo.c: Removed.
+	* kver.c: New file.
+	* Makefile: Include kver.mak.
+	(KVERS): Move this variable to 'kver.mak', which is a generated file.
+	(VERSION_HEADER): New variable to cope with UTS_RELEASE being moved
+	from 'linux/version.h' to 'linux/utsrelease.h' in 2.6.18.
+	(kver, kver.mak): New targets.
+	(KBUILD): New variable.
+	(KVER_MAJOR, KVER_MINOR, BUILD_TYPE, MODULE_TDFX): Likewise, moved
+	from the generated file 'config'.
+	(config, kinfo, kinfo.h): Remove targets.
+	(modules, intstall, clean): Do not depend on config target.
+	(modules, intstall): Depend on sanity target .
+
+2007-02-06  Guillem Jover  <guillem@hadrons.org>
+
+	* Makefile (.PHONY): Add clean_kbuild. Rename modules-legacy,
+	modules-kbuild, install-legacy, install-kbuild and clean-legacy to
+	modules_legacy, modules_kbuild, install_legacy, install_kbuild
+	and clean_legacy.
+
+2007-01-31  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c (cardInfo_t): Make dev be 'struct pci_dev *' even for
+	kernels < 2.6.0.
+	(findCardType): Assign to cards[n].dev the dev variable instead of
+	devfn. Fix macro to use devfn instead.
+
+2006-12-03  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c (my_remap_page_range): Define as remap_pfn_range for
+	linux 2.6.10 or higher.
+
+2006-12-03  Guillem Jover  <guillem@hadrons.org>
+
+	Use the "new" kernel level exception handling for memory accesses
+	introduced in linux 2.1.8, which obsoletes verify_aread.
+
+	* 3dfx_device.c (doQueryFetch): Remove verify_area and check for
+	copy_to_user return values.
+	(doPIORead): Likewise.
+	(doQueryUpdate): Remove verify_area and check for copy_from_user
+	return values.
+	(doQuery): Likewise.
+	(doPIOWrite): Likewise.
+	(doPIO): Likewise.
+	(verify_area) [DEBUG]: Remove function.
+	(a_last_dummy_function) [DEBUG]: Likewise.
+
+2006-12-03  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c (doQueryFetch): Assign desc->device to i, and use it
+	when referencing cards.
+
+2006-12-03  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c (setmtrr_3dfx): Make it static.
+	(resetmtrr_3dfx): Likewise.
+
+2006-12-03  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c (id_table_3dfx): Move near the corresponding ifdef
+	for older kernels.
+	(findCards): Likewise.
+	(driver_3dfx): Forward declare.
+
+2006-12-03  Guillem Jover  <guillem@hadrons.org>
+
+	Rename functions obsoleted in linux 2.1.93.
+
+	* 3dfx_device.c (pcibios_read_config_byte): Rename to ...
+	(pci_read_config_byte): ... this and remove first argument.
+	(pcibios_read_config_word): Rename to ...
+	(pci_read_config_word): ... this and remove first argument.
+	(pcibios_read_config_dword): Rename to ...
+	(pci_read_config_dword): ... this and remove first argument.
+	(pcibios_write_config_dword): Rename to ...
+	(pci_write_config_dword): ... this and remove first argument.
+
+2006-12-03  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c (VM_OFFSET_ALIGNED): New macro.
+	(mmap_3dfx): Use VM_OFFSET_ALIGNED, instead of checking for specific
+	kernel versions and changing behaviour.
+
+2006-12-03  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c: Indentation fixes.
+
+2006-03-03  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c: Rename HAVE_MTRR to CONFIG_MTRR.
+
+2005-04-23  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c: Add GPL notice.
+
+2005-04-24  Ozkan Sezer  <sezeroz@gmail.com>
+
+	* 3dfx_device.c: Add Macronix MX86251 Voodoo Rush support.
+
+2005-04-24  Ozkan Sezer  <sezeroz@gmail.com>
+
+	* 3dfx_device.c (setmtrr_3dfx): Add missing break on default case.
+
+2005-04-23  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c: Fix comment format. Remove obsolete compiler flags
+	  info.
+
+2005-04-23  Guillem Jover  <guillem@hadrons.org>
+
+	* 3dfx_device.c: Move ChangeLog entries to ...
+	* ChangeLog: ... here.
+
+2004-05-05  Guillem Jover  <guillem@debian.org>
+
+	* Use designators in fops_3dfx instead of the obsolete colon syntax.
+
+2004-05-04  Guillem Jover  <guillem@debian.org>
+
+	* Cleaned new kernel build system.
+	* Indentation fixes. Normalized ChangeLog date format.
+
+2004-02-13  Aristeu Sergio Rozanski Filho  <aris@cathedrallabs.org>
+
+	* Use kernel build system.
+	* Use new pci probe present in 2.6.x kernels.
+	* Use module auto-loading.
+
+2004-01-22  Guillem Jover  <guillem@debian.org>
+
+	* Ported to 2.6 kernels.
+
+2002-05-05  Guillem Jover  <guillem@hadrons.org>
+
+	* Re-included VOODOO pci id, accidentally removed in last patch,
+	  thanks to Jan Kuipers to point this out.
+
+2002-01-29  Guillem Jover  <guillem@hadrons.org>
+
+	* Fixed bug when compiling for 2.4 kernels with modversions.
+	* Added devfs support.
+	* Added MODULE_* declarations.
+	* Cleaned detection code.
+
+2000-02-04  Joseph Kain  <joseph@3dfx.com>
+
+	* Updated Carlo Woord's email address.
+
+1999-12-22  Joseph Kain  <joseph@3dfx.com>
+
+	* Support for new VMA structure in Kernels 2.3.14 and higher.
+	  This patch is based on Dieter Nuetzel's work.
+
+1999-11-09  Joseph Kain  <joseph@3dfx.com>
+
+	* Made cards static to remove conflict with hisax ISDN driver.
+
+1998-10-30  Carlo Wood  <carlo@alinoe.com>
+
+	* Re-included module versions (this source was based on the
+	  source by Jon Taylor which was based on an older version
+	  by Daryll Straus.  I now included the later changes made
+	  by Daryll in this source too).
+	* Use pci_find_device for 2.1/2.2 kernels instead of the old
+	  pcibios_find_device.  Idem pci_present().
+
+1998-10-21  Carlo Wood  <carlo@alinoe.com>
+
+	* Fixed compile bugs related to 2.0 kernels.
+
+1998-10-21  Carlo Wood  <carlo@alinoe.com>
+
+	* `struct file_operations' was changed as of kernel 2.1.118,
+	  fixed this module to also work with versions > 2.1.117.
+
+	* Machines that don't have mtrr still need <asm/uaccess.h>.
+
+1998-10-20  Carlo Wood  <carlo@alinoe.com>
+
+	* Finally fixed in init_module() the right way.  This time I tested
+	  it too (it now really works).
+
+	* Added resetmtrr_3dfx() to clean up the MTRR settings when the
+	  module is unloaded.  This is not really necessary but its clean.
+	  It allows to compare using this device WITH MTRR with another
+	  method WITHOUT MTRR, without being confused by sticky MTRR settings
+	  for instance.
+
+1998-10-18  Carlo Wood  <carlo@alinoe.com>
+
+	* Forgot the '== -EBUSY' in init_module(), causing the registration
+	  of character device to always fail.  You need to reboot if you
+	  tried the previous version (if there is junk in `cat /proc/devices'
+	  major 107).
+
+1998-10-18  Carlo Wood  <carlo@alinoe.com>
+
+	* struct file_operations fops_3dfx was initialized wrong:
+	  `release_3dfx' was put on the place of `fsync', causing weird
+	  behaviour :).
+
+	* Several warning fixes.
+
+	* setmtrr_3dfx did not always return a value, and the value was
+	  ignored, effectively ignoring errors returned by mtrr_add().
+

Device3Dfx/Device3Dfx.spec

@@ -0,0 +1,160 @@
+Summary: Device driver for 3Dfx boards for Linux kernels
+Name: Device3Dfx
+Version: 2.3
+Release: 5
+Icon: 3dfx.gif
+Source: Device3Dfx.tar.gz
+License: GPL
+Group: Drivers
+
+%changelog
+
+* Sat Apr 08 2000 Joseph Kain <joseph@3dfx.com>
+  Release 2.3-5
+- Check both the kernel and the processor for MTRR support before enabling.
+
+* Wed Jan 04 2000 Joseph Kain <joseph@3dfx.com>
+  Release 2.3-4
+
+- Forgot to include kinfo.h in 3dfx_driver.c in the last release.   This 
+  fixes some build problems for SMP kernels.
+
+* Wed Dec 22 1999 Joseph Kain <joseph@3dfx.com>
+  Release 2.3-3
+
+- Fixes to the Makefile to stop grepping the header files.  Changes to 
+  mtrr.c and 3dfx_driver.c to support these Makefile changes.
+- 3dfx_driver.c now supports 2.3.14+ kernels.
+
+* Mon Dec 13 1999 Joseph Kain <joseph@3dfx.com>
+  Release 2.3-2
+  
+- Removed depmod -a from the Makefile.  This elliminates errors in the
+  build on systems with modules with broken depedancies (Happens on Madrake)
+- Changed depmod -a to depmod -a > /dev/null in the post and postun to
+  elliminate any warnings/errors with modules that don't have anything
+  to do with Device3Dfx.  Warnings scare people.
+
+* Tue Nov 09 1999 Joseph Kain <joseph@3dfx.com>
+  Release 2.3:
+
+- Made cards static to remove conflict with hisax ISDN driver.
+- Removed 3dfx.o from the source distribution
+
+* Fri Jun 25 1999 Daryll Strauss <daryll@harlot.rb.ca.us>
+
+  Release 2.2:
+
+- Set MTRR for VB/V3 boards
+- Allow build without kernel sources installed
+- Code cleanup
+- Improvements in /etc/conf.modules setup
+
+* Sun May 16 1999 Daryll Strauss <daryll@harlot.rb.ca.us>
+
+  Release 2.1:
+
+- Added support for multiple board mappings
+- Enlarged size of mappings
+- Changes to support VB/V3 boards
+
+* Sun Apr 4 1999 Daryll Strauss <daryll@harlot.rb.ca.us>
+
+  Release 2.0-1:
+
+- This is just a rename of Michael's version to return it to my original 
+  naming scheme.
+- Added the License field to the spec file.
+
+* Thu Mar 11 1999 Michael Vance <mkv102@psu.edu>
+
+  Release 2.5-2:
+
+- Fixed for 2.2.3 kernels because of an mmap() update
+
+* Fri Oct 30 1998 Carlo Wood <carlo@runaway.xs4all.nl>
+
+  Release 2.5-1:
+
+- Upped source to Dev3Dfx-2.5.tar.gz
+- Boosted version number of rpm to the version of the tar.gz.
+  Moved everything to the Makefile, so Dev3Dfx-2.5.tar.gz is
+  self containing and will work without rpm too.
+  
+* Wed Oct 21 1998 Carlo Wood <carlo@runaway.xs4all.nl>
+
+  Release 1.2-5:
+
+- Upped source to Dev3Dfx-2.4.tar.gz
+- Removed dangerous and confusing use of /lib/modules/preferred
+- Removed the use of `uname': It now will compile for the kernel
+  version in /usr/src/linux and not be bothered by the running
+  kernel version.
+
+* Wed Oct 21 1998 Carlo Wood <carlo@runaway.xs4all.nl>
+
+  Release 1.2-4:
+
+- Upped source to Dev3Dfx-2.3.tar.gz
+
+* Mon Oct 19 1998 Carlo Wood <carlo@runaway.xs4all.nl>
+ 
+  Release 1.2-3:
+
+- Corrected Summary and Description to refer to 2.x rather
+  then 2.1 kernels.
+- Removed script lines that write an `option' line to /etc/conf.modules.
+- Upped source to Dev3Dfx-2.2.tar.gz
+
+* Sun Oct 18 1998 Carlo Wood <carlo@runaway.xs4all.nl>
+
+  Release 1.2-2:
+
+- Added OPT_CFLAGS stuff.
+  
+* Sun Oct 18 1998 Carlo Wood <carlo@runaway.xs4all.nl>
+
+  Release 1.2-1:
+
+- Packaged version 1.2 with support for 2.1 kernels by John Taylor and
+  MTRR settings added by Jens Axboe.
+ 
+%description
+This package installs the 3Dfx device driver to allow access to 3Dfx
+boards without the user having root privledges.  It should work on >= 2.x
+kernels and set the MTRR settings correctly.  It should also work with
+SMP kernels (>= 2.1).
+
+%prep
+%setup -c
+
+%build
+make OPT_CFLAGS="$RPM_OPT_FLAGS"
+
+%install
+make RPM_INSTALL="1" install | grep '^/lib/modules/' > modules-file-list
+
+%post
+if [ "$1" = 1 ]; then
+	grep -v 3dfx /etc/conf.modules > /etc/conf.modules.tmp
+	echo alias char-major-107 3dfx >> /etc/conf.modules.tmp
+	mv /etc/conf.modules.tmp /etc/conf.modules
+fi
+/sbin/depmod -a > /dev/null
+
+%postun
+if [ "$1" = 0 ]; then
+	grep -v 3dfx /etc/conf.modules > /etc/conf.modules.tmp
+	mv /etc/conf.modules.tmp /etc/conf.modules
+fi
+/sbin/depmod -a > /dev/null
+
+%verifyscript
+inconf=`grep 'alias char-major-107 3dfx' /etc/conf.modules`
+if [ "x$inconf" = "x" ]; then
+	echo "3dfx entry not included in /etc/conf.modules"
+fi
+
+%files -f modules-file-list
+%verify(not mode user group) /dev/3dfx
+

Device3Dfx/Makefile

@@ -0,0 +1,155 @@
+###############################################################################
+# Makefile by Carlo Wood (and others)
+
+# Determine the machine type
+ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
+
+# Setup machine dependant compiler flags
+ifeq ($(ARCH), i386)
+CFLAGS ?= -O2 -march=pentium -fomit-frame-pointer -fno-strength-reduce \
+          -falign-loops=2 -falign-jumps=2 -falign-functions=2
+endif
+
+ifeq ($(ARCH), alpha)
+CFLAGS ?= -O2 -mno-fp-regs -mcpu=ev4 -ffixed-8 -Wa,-mev6 \
+          -fomit-frame-pointer -fno-strict-aliasing
+endif
+
+KSRC ?= /usr/src/linux
+KHEADERS ?= $(KSRC)/include
+
+-include kver.mak
+
+MODULES_DIR = $(DESTDIR)/lib/modules/$(KVERS)
+
+ALL_CFLAGS := -DMODULE -D__KERNEL__ \
+              -I$(KHEADERS) -I$(KHEADERS)/asm/mach-default \
+              $(CFLAGS)
+
+ifneq ($(wildcard $(KHEADERS)/generated/utsrelease.h),)
+VERSION_HEADER := $(KHEADERS)/generated/utsrelease.h
+else
+ifneq ($(wildcard $(KHEADERS)/linux/utsrelease.h),)
+VERSION_HEADER := $(KHEADERS)/linux/utsrelease.h
+else
+VERSION_HEADER := $(KHEADERS)/linux/version.h
+endif
+endif
+
+###############################################################################
+# You should never need to change anything below.
+
+NAME := 3dfx
+
+all: modules
+
+kver: kver.c
+	$(CC) -include $(VERSION_HEADER) -x c -o $@ $<
+
+kver.mak: kver
+	./$^ > $@
+
+# Sanity checks
+sanity:
+	@( \
+	if [ ! -r $(KHEADERS)/linux ]; then \
+		echo "Expect readable headers in $(KHEADERS)/linux"; \
+		exit 1; \
+	fi; \
+	if [ ! -r $(KHEADERS)/linux/version.h ]; then \
+		echo "Missing $(KHEADERS)/linux/version.h"; \
+		echo "Configure and install the kernel first"; \
+		exit 1; \
+	fi; \
+	if [ ! -e /proc/cpuinfo ]; then \
+		echo "You need the /proc file system"; \
+		echo "Reconfigure kernel and say Yes to CONFIG_PROC_FS"; \
+		exit 1; \
+	fi; \
+	)
+
+KVER_MAJOR = $(shell echo "$(KVERS)" | cut -d. -f1 )
+KVER_MINOR = $(shell echo "$(KVERS)" | cut -d. -f2 )
+
+KBUILD = $(shell [ "$(KVER_MAJOR)" = 2 ] && [ "$(KVER_MINOR)" -ge 6 ] || \
+                 [ "$(KVER_MAJOR)" -ge 3 ] && echo yes )
+
+help:
+	@echo KVER_MAJOR = $(KVER_MAJOR)
+	@echo KVER_MINOR = $(KVER_MINOR)
+	@echo KBUILD = $(KBUILD)
+
+ifeq ($(KBUILD),yes)
+BUILD_TYPE = kbuild
+MODULE_TDFX = kbuild/$(NAME).ko
+else
+BUILD_TYPE = legacy
+MODULE_TDFX = $(NAME).o
+endif
+
+clean_type = clean_$(BUILD_TYPE)
+module_type = module_$(BUILD_TYPE)
+
+###############################################################################
+
+modules: sanity $(module_type)
+
+module_legacy: $(NAME).o
+
+$(NAME).o: 3dfx_driver.c Makefile
+	$(CC) $(ALL_CFLAGS) -c -o $@ 3dfx_driver.c
+
+module_kbuild:
+	$(MAKE) -C kbuild
+
+###############################################################################
+
+install: sanity install_modules
+	@( \
+	if [ -e $(MODULES_DIR)/modules.dep ]; then \
+		indep=`grep '$(NAME)/$(MODULE_TDFX):' $(MODULES_DIR)/modules.dep`; \
+		if [ -z "$$indep" ]; then \
+			echo "$(MODULES_DIR)/$(NAME)/$(MODULE_TDFX):" >> $(MODULES_DIR)/modules.dep; \
+			echo "" >> $(MODULES_DIR)/modules.dep; \
+		fi; \
+	fi; \
+	if [ ! -e $(DESTDIR)/dev/.devfsd -a ! -c $(DESTDIR)/dev/$(NAME) ]; then \
+		mknod $(DESTDIR)/dev/$(NAME) c 107 0; \
+		chmod go+w $(DESTDIR)/dev/$(NAME); \
+	fi; \
+	if [ "$(RPM_INSTALL)" = "1" ]; then \
+		echo "$(MODULES_DIR)/$(NAME)/$(MODULE_TDFX)"; \
+	else \
+		inconf=`grep 'alias char-major-107 $(NAME)' $(DESTDIR)/etc/modules.conf`; \
+		if [ -z "$$inconf" ]; then \
+			echo "alias char-major-107 $(NAME)" >> $(DESTDIR)/etc/modules.conf; \
+		fi; \
+	fi; \
+	)
+
+install_modules: modules
+	mkdir -p $(MODULES_DIR)/$(NAME)
+	cp $(MODULE_TDFX) $(MODULES_DIR)/$(NAME)/
+
+###############################################################################
+# This is for debugging purposes by the developers:
+
+clean: $(clean_type)
+	rm -f kver.mak kver
+
+clean_legacy:
+	rm -f *.ko *.o *.mod.* .*.mod.* .*.cmd
+
+clean_kbuild:
+	$(MAKE) -C kbuild clean
+
+tar:
+	tar czf ../../SOURCES/Dev3Dfx-2.5.tar.gz 3dfx_driver.c Makefile
+
+debug:
+	$(MAKE) CFLAGS="-g -Wall -Wstrict-prototypes -DDEBUG"
+
+.PHONY: all sanity modules modules_legacy modules_kbuild
+.PHONY: install install_legacy install_kbuild
+.PHONY: clean clean_legacy clean_kbuild tar debug
+

Device3Dfx/README

@@ -0,0 +1,20 @@
+Build instructions
+------------------
+
+The new build system supports Linux kernel legacy build systems
+as used on 2.4.x or earlier and the new kbuild system used on 2.6
+and up.
+
+Current make targets are:
+
+	modules
+	clean
+	install
+
+If your kernel source is in some place different than /usr/src/linux
+specify the KSRC variable, like:
+
+	$ make KSRC=~/src/linux
+
+If you want to install in a different base dir specify DESTDIR.
+

Device3Dfx/debian/changelog

@@ -0,0 +1,5 @@
+device3dfx (2.3-1) unstable; urgency=low
+
+  * Initial package.
+
+ -- RetroDebian <root@retrodebian.local>  Thu, 20 Mar 2026 10:00:00 +0000

Device3Dfx/debian/compat

@@ -0,0 +1 @@
+5

Device3Dfx/debian/control.modules.in

@@ -0,0 +1,14 @@
+Source: device3dfx
+Section: misc
+Priority: optional
+Maintainer: RetroDebian <root@retrodebian.local>
+Standards-Version: 3.7.3
+
+Package: device3dfx-modules-_KVERS_
+Architecture: any
+Provides: device3dfx-modules
+Depends: linux-modules-_KVERS_ | linux-image-_KVERS_
+Description: Device3Dfx kernel module for Debian Linux kernels
+ External kernel module providing /dev/3dfx support for 3dfx hardware.
+ .
+ This package contains the compiled kernel module for _KVERS_.

Device3Dfx/debian/rules

@@ -0,0 +1,37 @@
+#!/usr/bin/make -f
+# -*- mode: makefile; coding: utf-8 -*-
+
+PACKAGE=device3dfx-modules
+MA_DIR ?= /usr/share/modass
+
+-include $(MA_DIR)/include/generic.make
+-include $(MA_DIR)/include/common-rules.make
+
+kdist_config: prep-deb-files
+	ln -sf ../3dfx_driver.c kbuild/3dfx.c
+
+kdist_clean:
+	rm -f kbuild/3dfx.c
+	$(MAKE) -C $(KSRC) M=$(PWD)/kbuild clean
+
+binary-modules:
+	dh_testroot
+	dh_clean -k
+	dh_installdirs
+
+	ln -sf ../3dfx_driver.c kbuild/3dfx.c
+	$(MAKE) -C $(KSRC) M=$(PWD)/kbuild modules
+
+	mkdir -p debian/$(PACKAGE)-$(KVERS)/lib/modules/$(KVERS)/extra
+	cp kbuild/3dfx.ko debian/$(PACKAGE)-$(KVERS)/lib/modules/$(KVERS)/extra/
+
+	dh_installdocs
+	dh_installchangelogs
+	dh_installmodules
+	dh_compress
+	dh_fixperms
+	dh_installdeb
+	dh_gencontrol -- -v$(VERSION)
+	dh_md5sums
+	dh_builddeb --destdir=$(DEB_DESTDIR)
+	dh_clean -k

Device3Dfx/kbuild/Makefile

@@ -0,0 +1,16 @@
+KSRC ?= /usr/src/linux
+
+obj-m += 3dfx.o
+
+modules:
+	ln -sf ../3dfx_driver.c 3dfx.c
+	$(MAKE) -C $(KSRC) M=$(shell pwd) modules
+
+clean:
+	rm -f 3dfx.c
+	$(MAKE) -C $(KSRC) M=$(shell pwd) clean
+
+install: modules
+	$(MAKE) -C $(KSRC) M=$(shell pwd) INSTALL_MOD_PATH="$(DESTDIR)" \
+		modules_install
+

Device3Dfx/kver.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main()
+{
+	printf("KVERS = %s\n", UTS_RELEASE);
+	return 0;
+}
+

LICENSE

@@ -0,0 +1,255 @@
+3DFX GLIDE Source Code General Public License
+
+
+1. PREAMBLE
+
+	This license is for software that provides a 3D graphics application 
+	program interface (API).The license is intended to offer terms similar
+	to some standard General Public Licenses designed to foster open 
+	standards and unrestricted accessibility to source code. Some of these
+	licenses require that, as a condition of the license of the software, 
+	any derivative works (that is, new software which is a work containing
+	the original program or a portion of it) must be available for general
+	use, without restriction other than for a minor transfer fee, and that
+	the source code for such derivative works must likewise be made 
+	available. The only restriction is that such derivative works must be
+	subject to the same General Public License terms as the original work. 
+
+	This 3dfx GLIDE Source Code General Public License differs from the
+	standard licenses of this type in that it does not require the entire
+	derivative work to be made available under the terms of this license
+	nor is the recipient required to make available the source code for
+	the entire derivative work. Rather, the license is limited to only the
+	identifiable portion of the derivative work that is derived from the
+	licensed software. The precise terms and conditions for copying, 
+	distribution and modification follow.
+
+
+2. DEFINITIONS
+
+	2.1 This License applies to any program (or other "work") which 
+	contains a notice placed by the copyright holder saying it may be 
+	distributed under the terms of this 3dfx GLIDE Source Code General 
+	Public License. 
+
+	2.2 The term "Program" as used in this Agreement refers to 3DFX's 
+	GLIDE source code and object code and any Derivative Work.
+
+	2.3 "Derivative Work" means, for the purpose of the License, that 
+	portion of any work that contains the Program or the identifiable 
+	portion of a work that is derived from the Program, either verbatim or
+	with modifications and/or translated into another language, and that 
+	performs 3D graphics API operations. It does not include any other 
+	portions of a work.
+
+	2.4 "Modifications of the Program" means any work, which includes a
+	Derivative Work, and includes the whole of such work.
+
+	2.5 "License" means this 3dfx GLIDE Source Code General Public License.
+
+	2.6 The "Source Code" for a work means the preferred form of the work
+	for making modifications to it. For an executable work, complete source
+	code means all the source code for all modules it contains, any
+	associated interface definition files, and the scripts used to control
+	compilation and installation of the executable work.
+
+	2.7 "3dfx" means 3dfx Interactive, Inc.
+
+
+3. LICENSED ACTIVITIES
+
+	3.1 COPYING - You may copy and distribute verbatim copies of the 
+	Program's Source Code as you receive it, in any medium, subject to the
+	provision of section 3.3 and provided also that:
+
+		(a) you conspicuously and appropriately publish on each copy
+	an appropriate copyright notice (3dfx Interactive, Inc. 1999), a notice
+	that recipients who wish to copy, distribute or modify the Program can
+	only do so subject to this License, and a disclaimer of warranty as
+	set forth in section 5;
+
+		(b) keep intact all the notices that refer to this License and
+	to the absence of any warranty; and
+ 
+		(c) do not make any use of the GLIDE trademark without the prior
+	written permission of 3dfx, and 
+
+		(d) give all recipients of the Program a copy of this License
+	along with the Program or instructions on how to easily receive a copy
+	of this License.
+
+
+	3.2 MODIFICATION OF THE PROGRAM/DERIVATIVE WORKS - You may modify your
+	copy or copies of the Program or any portion of it, and copy and
+	distribute such modifications subject to the provisions of section 3.3
+	and provided that you also meet all of the following conditions: 
+
+		(a) you conspicuously and appropriately publish on each copy
+	of a Derivative Work an appropriate copyright notice, a notice that
+	recipients who wish to copy, distribute or modify the Derivative Work
+	can only do so subject to this License, and a disclaimer of warranty
+	as set forth in section 5;
+
+		(b) keep intact all the notices that refer to this License and
+	to the absence of any warranty; and
+ 
+		(c) give all recipients of the Derivative Work a copy of this
+	License along with the Derivative Work or instructions on how to easily
+	receive a copy of this License.
+
+		(d) You must cause the modified files of the Derivative Work
+	to carry prominent notices stating that you changed the files and the
+	date of any change. 
+
+		(e) You must cause any Derivative Work that you distribute or
+	publish to be licensed at no charge to all third parties under the
+	terms of this License. 
+
+		(f) You do not make any use of the GLIDE trademark without the 
+	prior written permission of 3dfx.
+		
+		(g) If the Derivative Work normally reads commands 
+	interactively when run, you must cause it, when started running for
+	such interactive use, to print or display an announcement as follows:
+
+	"COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED THIS 
+	SOFTWARE IS FREE AND PROVIDED "AS IS," WITHOUT WARRANTY OF ANY KIND, 
+	EITHER EXPRESSED OR IMPLIED. THERE IS NO RIGHT TO USE THE GLIDE 
+	TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX INTERACTIVE, 
+	INC. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A FULL TEXT OF THE
+	DISTRIBUTION AND NON-WARRANTY PROVISIONS (REQUEST COPY FROM 
+	INFO@3DFX.COM)."
+
+		(h) The requirements of this section 3.2 do not apply to the
+	modified work as a whole but only to the Derivative Work. It is not
+	the intent of this License to claim rights or contest your rights to
+	work written entirely by you; rather, the intent is to exercise the
+	right to control the distribution of Derivative Works. 
+
+
+	3.3 DISTRIBUTION 
+
+		(a) All copies of the Program or Derivative Works which are
+	distributed must include in the file headers the following language
+	verbatim:
+
+	"THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED 
+	ONLY PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO 
+	RIGHT TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 
+	3DFX INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM 
+	THE DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC (info@3dfx.com). 
+	THIS PROGRAM. IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
+	EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+	FULL TEXT OF THE NON-WARRANTY PROVISIONS.
+
+	USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+	RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS
+	IN TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+	AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+	SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+	THE UNITED STATES.
+
+	COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED"
+
+		(b) You may distribute the Program or a Derivative Work in
+	object code or executable form under the terms of Sections 3.1 and 3.2
+	provided that you also do one of the following: 
+
+			(1) Accompany it with the complete corresponding
+	machine-readable source code, which must be distributed under the 
+	terms of Sections 3.1 and 3.2; or,
+ 
+			(2) Accompany it with a written offer, valid for at
+	least three years, to give any third party, for a charge no more than
+	your cost of physically performing source distribution, a complete
+	machine-readable copy of the corresponding source code, to be 
+	distributed under the terms of Sections 3.1 and 3.2 on a medium 
+	customarily used for software interchange; or,
+ 
+			(3) Accompany it with the information you received as
+	to the offer to distribute corresponding source code. (This alternative
+	is allowed only for noncommercial distribution and only if you received
+	the program in object code or executable form with such an offer, in
+	accord with Subsection 3.3(b)(2) above.)
+ 
+		(c) The source code distributed need not include anything
+	that is normally distributed (in either source or binary form) with
+	the major components (compiler, kernel, and so on) of the operating
+	system on which the executable runs, unless that component itself
+	accompanies the executable code.
+ 
+		(d) If distribution of executable code or object code is made
+	by offering access to copy from a designated place, then offering
+	equivalent access to copy the source code from the same place counts
+	as distribution of the source code, even though third parties are not
+	compelled to copy the source along with the object code. 
+
+		(e) Each time you redistribute the Program or any Derivative
+	Work, the recipient automatically receives a license from 3dfx and
+	successor licensors to copy, distribute or modify the Program and
+	Derivative Works subject to the terms and conditions of the License.
+	You may not impose any further restrictions on the recipients' 
+	exercise of the rights granted herein. You are not responsible for
+	enforcing compliance by third parties to this License.
+ 
+		(f) You may not make any use of the GLIDE trademark without 
+	the prior written permission of 3dfx.
+
+		(g) You may not copy, modify, sublicense, or distribute the
+	Program or any Derivative Works except as expressly provided under
+	this License. Any attempt otherwise to copy, modify, sublicense or
+	distribute the Program or any Derivative Works is void, and will
+	automatically terminate your rights under this License. However,
+	parties who have received copies, or rights, from you under this
+	License will not have their licenses terminated so long as such
+	parties remain in full compliance.
+
+ 
+4. MISCELLANEOUS
+
+	4.1 Acceptance of this License is voluntary. By using, modifying or
+	distributing the Program or any Derivative Work, you indicate your 
+	acceptance of this License to do so, and all its terms and conditions
+	for copying, distributing or modifying the Program or works based on
+	it. Nothing else grants you permission to modify or distribute the
+	Program or Derivative Works and doing so without acceptance of this
+	License is in violation of the U.S. and international copyright laws.
+
+	4.2 If the distribution and/or use of the Program or Derivative Works
+	is restricted in certain countries either by patents or by copyrighted
+	interfaces, the original copyright holder who places the Program under
+	this License may add an explicit geographical distribution limitation
+	excluding those countries, so that distribution is permitted only in
+	or among countries not thus excluded. In such case, this License
+	incorporates the limitation as if written in the body of this License.
+
+	4.3 This License is to be construed according to the laws of the 
+	State of California and you consent to personal jurisdiction in the
+	State of California in the event it is necessary to enforce the
+	provisions of this License.
+
+
+5. NO WARRANTIES
+
+	5.1 TO THE EXTENT PERMITTED BY APPLICABLE LAW, THERE IS NO WARRANTY
+	FOR THE PROGRAM. OR DERIVATIVE WORKS THE COPYRIGHT HOLDERS AND/OR
+	OTHER PARTIES PROVIDE THE PROGRAM AND ANY DERIVATIVE WORKS"AS IS"
+	WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+	BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+	FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY
+	AND PERFORMANCE OF THE PROGRAM AND ANY DERIVATIVE WORK IS WITH YOU.
+	SHOULD THE PROGRAM OR ANY DERIVATIVE WORK PROVE DEFECTIVE, YOU ASSUME
+	THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+	5.2 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW WILL 3DFX
+	INTERACTIVE, INC., OR ANY OTHER COPYRIGHT HOLDER, OR ANY OTHER PARTY
+	WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM OR DERIVATIVE WORKS AS
+	PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL,
+	SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
+	INABILITY TO USE THE PROGRAM OR DERIVATIVE WORKS (INCLUDING BUT NOT
+	LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES
+	SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM OR
+	DERIVATIVE WORKS TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH
+	HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+	DAMAGES.
+

README

@@ -0,0 +1,5 @@
+This is the source code to 3Dfx Glide for Voodoo graphics accelerators.
+It's forked from the original CVS repo of Glide open source project at
+sourceforge:  https://sourceforge.net/projects/glide/
+
+Source is licensed under 3DFX GLIDE Source Code General Public License.

glide2x/README

@@ -0,0 +1,31 @@
+Here are a few notes about building Glide3x from CVS.
+
+The Glide source trees are branced by platform and the platform names are
+internal names used at 3dfx.  Since these name may not make sense to others
+here is a quick list.
+
+sst1:  Voodoo Graphics
+sst96: Voodoo Rush
+cvg:   Voodoo 2
+h3:    Voodoo Banshee/Voodoo 3
+
+There is a single toplevel makefile for glide2x.  To select a build
+for either sst1, cvg or h3 set FX_GLIDE_HW to either sst1, cvg or h3.  The
+default is to build for h3.
+
+There are many other environment variables used to control the Glide
+build.  Here is a listing of some of the important ones:
+
+DEBUG=1:               Turn on debugging information, note this disables 
+                       the asm optimizations.
+FX_GLIDE_PIC=1:        Enable PIC in shared libraries.
+FX_GLIDE_CTRISETUP=1:  Use C versions as opposed to ASM versions of triangle
+                       setup code.
+GL_AMD3D=1:            Enable AMD 3DNow! optimizations.  Note this is 
+                       currently broken on several platforms.
+
+All glide source trees use a common set of libraries kept in the
+swlibs branch.  In order to build any glide library the swlibs branch
+must be moved inside the glide3x directory.  The swlibs branch is not
+stored here within the glide2x cvs tree because it is also shared with
+the glide3x branch.

glide2x/cvg/bin/makefile

@@ -21,6 +21,6 @@
 # $Date$
 #
 
-LDIRT = *.exe *.dll *.bat *.sim
+LDIRT = *.exe *.dll *.bat
 
 !include $(BUILD_ROOT_SWLIBS)/include/nmake/3dfx.mak

glide2x/cvg/bin/makefile.linux

@@ -0,0 +1,26 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+#
+# $Revision$
+# $Date$
+#
+
+LDIRT = $(patsubst CVS,,$(patsubst makefile%,,$(wildcard *)))
+
+include $(BUILD_ROOT_SWLIBS)/include/make/3dfx.mak

glide2x/cvg/binsrc/makefile

@@ -21,7 +21,7 @@
 # $Date$
 #
 
-INSTALL_DESTINATION=$(BUILD_ROOT)\$(FX_GLIDE_HW)
+INSTALL_DESTINATION=$(BUILD_ROOT)\cvg
 
 !include $(BUILD_ROOT_SWLIBS)\include\nmake\3dfx.mak
 

glide2x/cvg/binsrc/makefile.linux

@@ -7,16 +7,20 @@
 # THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
 # EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
 # FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
-#
+# 
 # USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
 # RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
 # TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
 # AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
 # SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
 # THE UNITED STATES.  
-#
+# 
 # COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
 #
 # $Revision$
 # $Date$
 #
+
+
+include $(BUILD_ROOT_SWLIBS)/include/make/3dfx.mak
+

glide2x/cvg/cmd/makefile.linux

@@ -0,0 +1,27 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+#
+# $Revision$
+# $Date$
+#
+
+THISDIR = cmd
+SUBDIRS = pass
+
+include $(BUILD_ROOT_SWLIBS)/include/make/3dfx.mak

glide2x/cvg/cmd/pass/makefile.linux

@@ -0,0 +1,40 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+#
+# $Revision$
+# $Date$
+#
+
+# local defines, options, includes
+LCDEFS   = 
+LCOPTS   =
+LCINCS   = -I$(BUILD_ROOT)/$(FX_GLIDE_HW)/include
+
+# sources
+CFILES  = pass.c
+LLDLIBS = -L$(BUILD_ROOT)/$(FX_GLIDE_HW)/lib -lsst1init \
+	-L$(BUILD_ROOT_SWLIBS)/lib -lfxmisc -lfxpci
+
+
+# targets
+PROGRAM = pass
+INSTALL_DESTINATION = $(BUILD_ROOT)/$(FX_GLIDE_HW)
+
+include $(BUILD_ROOT_SWLIBS)/include/make/3dfx.mak
+

glide2x/cvg/cmd/pass/pass.c

@@ -0,0 +1,48 @@
+/*
+ * THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ * PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ * TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ * INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ * DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ * THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ * FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ * 
+ * USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ * RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ * TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ * AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ * SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ * THE UNITED STATES.  
+ * 
+ * COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <3dfx.h>
+#include <glide.h>
+#include <sst1init.h>
+
+/* This should be exported, but isn't yet */
+#define SST1INIT_MAX_BOARDS 16
+
+int main (int argc, char* argv[])
+{
+  FxU32* sst[SST1INIT_MAX_BOARDS];
+  int num_sst;
+  int i;
+
+  /* Map all the boards in the system */
+  num_sst = 0;
+  do {
+    sst[num_sst] = sst1InitMapBoard (num_sst);
+  } while (sst[num_sst++] != NULL);
+
+  /* Shut them all down */
+  for (i = 0; i < num_sst; i += 1)
+    sst1InitVgaPassCtrl(sst[i], 1);
+
+  return 0;
+}

glide2x/cvg/glide/makefile

@@ -0,0 +1,31 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+#
+# $Revision$
+# $Date$
+#
+
+THISDIR = glide
+!if "$(FX_TARGET)" == "DOS"
+SUBDIRS = src tests
+!else
+SUBDIRS = oem src tests
+!endif
+
+!include $(BUILD_ROOT_SWLIBS)/include/nmake/3dfx.mak

glide2x/cvg/glide/makefile.linux

@@ -0,0 +1,24 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+#
+
+THISDIR	= glide
+SUBDIRS	= oem src tests
+
+include $(BUILD_ROOT_SWLIBS)/include/make/3dfx.mak

glide2x/cvg/glide/makefile.unix

@@ -0,0 +1,24 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+#
+
+THISDIR	= glide
+SUBDIRS	= oem src tests
+
+include $(BUILD_ROOT_SWLIBS)/include/make/3dfx.mak

glide2x/cvg/glide/oem/fxbldno.c

@@ -0,0 +1,52 @@
+/*
+ * THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ * PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ * TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ * INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ * DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ * THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ * FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ * 
+ * USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ * RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ * TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ * AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ * SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ * THE UNITED STATES.  
+ * 
+ * COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ *
+ * $Header$
+ * $Log$
+ * 
+ * 1     7/25/97 9:05a Pgj
+ * generate fxbldno.h which defines BUILD_NUMBER
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+
+main(int argc, char **argv)
+{
+    struct tm	locTime;
+    time_t	sysTime;
+    char	*build;
+
+    time(&sysTime);
+    locTime = *localtime(&sysTime);
+
+    if (build = getenv("BUILD_NUMBER")) {
+	printf("#define BUILD_NUMBER	%s\n", build);
+    } else {
+	unsigned short magic;
+	magic = (locTime.tm_yday << 7) |
+	        (locTime.tm_hour << 2) |
+		(locTime.tm_min / 15);
+	printf("#define BUILD_NUMBER	%d\n", magic);
+    }
+    return 0;
+
+} /* end main() */

glide2x/cvg/glide/oem/makefile

@@ -0,0 +1,63 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+
+!if "$(FX_GLIDE_HW)" == "sst96"
+GLIDE_SRC_BASE  =       sst1
+!else
+GLIDE_SRC_BASE  =       $(FX_GLIDE_HW)
+!endif
+LCINCS          =       $(LCINCS) -I$(BUILD_ROOT)\$(GLIDE_SRC_BASE)\include \
+                        -I$(BUILD_ROOT)\$(GLIDE_SRC_BASE)\glide\src
+
+!if "$(DEBUG)" == "1"
+LCDEFS		=	-DDEBUG=1
+!endif
+
+CFILES 		=       oeminit.c
+RCFILE          =       oeminit.rc
+HEADERS 	=       oeminit.h
+PRIVATE_HEADERS =	rcver.h
+LIBRARIES 	=       fxoem2x.lib
+
+INSTALL_DESTINATION =   $(BUILD_ROOT)\$(GLIDE_SRC_BASE)
+
+# Make a static link library for things like the diags.
+!if "$(FX_DLL_BUILD)" == "1"
+FX_DLL_LIBRARY  =       1
+!else
+LCDEFS          =       $(LCDEFS) -DFX_STATIC_BUILD
+!endif
+
+LCDEFS          =       $(LCDEFS)
+
+!include $(BUILD_ROOT)\swlibs/include/nmake/3dfx.mak
+
+!if "$(FX_TARGET)" == "WIN32"
+!if "$(FX_DLL_BUILD)" != ""
+fxoem2x.dll:
+!endif
+!endif
+
+fxbldno.exe: fxbldno.c $(HEADERS) $(PRIVATE_HEADERS)
+	$(CC) -o $@ fxbldno.c $(GCDEFS) $(LCDEFS) $(VCDEFS) $(LCOPTS) $(LDFLAGS)
+
+fxbldno.h: fxbldno.exe
+        fxbldno > fxbldno.h
+
+oeminit.res: rcver.h fxbldno.h

glide2x/cvg/glide/oem/makefile.linux

@@ -0,0 +1,49 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+
+ifeq ($(FX_GLIDE_HW),sst96)
+GLIDE_SRC_BASE  =       sst1
+else
+GLIDE_SRC_BASE  =       $(FX_GLIDE_HW)
+endif
+LCINCS          +=      -I$(BUILD_ROOT)\$(GLIDE_SRC_BASE)/include \
+                        -I$(BUILD_ROOT)/$(GLIDE_SRC_BASE)/glide/src
+
+ifeq ($(DEBUG),1)
+DBGOPTS          =      -DGLIDE_DEBUG -DGDBG_INFO_ON
+GLIDE_SANITY_ALL =      1
+endif
+
+CFILES =                oeminit.c
+
+HEADERS =               oeminit.h
+
+INSTALL_DESTINATION =   $(BUILD_ROOT)/$(GLIDE_SRC_BASE)
+
+LIBRARIES =             libfxoem2x.a
+
+# Make a static link library for things like the diags.
+ifeq ($(FX_DLL_BUILD),1)
+FX_DLL_LIBRARY  =       1
+else
+LCDEFS          +=       -DFX_STATIC_BUILD
+endif
+
+include $(BUILD_ROOT)/swlibs/include/make/3dfx.mak
+

glide2x/cvg/glide/oem/oeminit.c

@@ -0,0 +1,372 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+*/
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifndef __linux__
+#include <windows.h>
+#endif
+
+#define FX_DLL_DEFINITION
+#include <3dfx.h>
+#include <fxdll.h>
+#include "oeminit.h"
+
+const OemPciRegister OEM_PCI_VENDOR_ID       = { 0x0,  2, OEM_READ_ONLY };
+const OemPciRegister OEM_PCI_DEVICE_ID       = { 0x2,  2, OEM_READ_ONLY };
+const OemPciRegister OEM_PCI_COMMAND         = { 0x4,  2, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_STATUS          = { 0x6,  2, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_REVISION_ID     = { 0x8,  1, OEM_READ_ONLY };
+const OemPciRegister OEM_PCI_CLASS_CODE      = { 0x9,  3, OEM_READ_ONLY };
+const OemPciRegister OEM_PCI_CACHE_LINE_SIZE = { 0xC,  1, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_LATENCY_TIMER   = { 0xD,  1, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_HEADER_TYPE     = { 0xE,  1, OEM_READ_ONLY };
+const OemPciRegister OEM_PCI_BIST            = { 0xF,  1, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_0  = { 0x10, 4, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_1  = { 0x14, 4, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_2  = { 0x18, 4, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_3  = { 0x1C, 4, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_4  = { 0x20, 4, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_5  = { 0x24, 4, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_6  = { 0x28, 4, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_7  = { 0x2c, 4, OEM_READ_WRITE };
+const OemPciRegister OEM_PCI_BASE_ADDRESS_8  = { 0x30, 4, OEM_READ_WRITE };
+
+static FILE*  outFile    = NULL;
+
+static const char*
+myGetenv(const char* envKey)
+{
+  FxBool callRealGetenvP = FXTRUE;
+
+#if __WIN32__
+  /* NB: If were being called from cya code in
+   * DllMain(DLL_PROCESS_DETACH) because the current app has called
+   * exit() or dropped off of the end of main the per dll environ
+   * string table has been freed by the c runtime but has not been set
+   * to NULL. Bad things happen if this memory has been unmapped by
+   * the system or if the string cannot be found.  
+   */
+  {
+    HANDLE curProcessHandle = GetCurrentProcess();
+    DWORD exitCode = STILL_ACTIVE;
+
+    callRealGetenvP = ((curProcessHandle != NULL) &&
+                       GetExitCodeProcess(curProcessHandle, &exitCode) &&
+                       (exitCode == STILL_ACTIVE));
+  }
+#endif /* __WIN32__ */
+
+  return (callRealGetenvP
+          ? getenv(envKey)
+          : NULL);
+}
+
+static void 
+MyDebugPrintf(FILE* outputFile, const char* fmtString, ...)
+{
+  static FxBool debugDumpP = FXFALSE;
+  static FxBool calledP    = FXFALSE;
+
+  if (!calledP) {
+    const char* envStr = myGetenv("GDBG_LEVEL");
+
+    debugDumpP = ((envStr != NULL) &&
+                  (atoi(envStr) >= 80));
+    
+    calledP = FXTRUE;
+  }
+
+  if (debugDumpP) {
+    va_list args;
+    
+#if !DIRECTX
+    va_start(args, fmtString);
+    if (outputFile != NULL) vfprintf(outputFile, fmtString, args);
+    va_end(args);
+#endif /* !DIRECTX */
+    
+    va_start(args, fmtString);
+    {
+      //char msgBuf[256];
+      
+      vfprintf(stderr, fmtString, args);
+      //vsprintf(msgBuf, fmtString, args);
+      //OutputDebugString(msgBuf);
+    }
+    va_end(args);
+  }
+}
+
+static struct {
+  const char* resName;
+  GrScreenResolution_t resId;
+} resTable[] = {
+  { "320x200",   GR_RESOLUTION_320x200   },  /* 0x0 */
+  { "320x240",   GR_RESOLUTION_320x240   },  /* 0x1 */
+  { "400x256",   GR_RESOLUTION_400x256   },  /* 0x2 */
+  { "512x384",   GR_RESOLUTION_512x384   },  /* 0x3 */
+  { "640x200",   GR_RESOLUTION_640x200   },  /* 0x4 */
+  { "640x350",   GR_RESOLUTION_640x350   },  /* 0x5 */
+  { "640x400",   GR_RESOLUTION_640x400   },  /* 0x6 */
+  { "640x480",   GR_RESOLUTION_640x480   },  /* 0x7 */
+  { "800x600",   GR_RESOLUTION_800x600   },  /* 0x8 */
+  { "960x720",   GR_RESOLUTION_960x720   },  /* 0x9 */
+  { "856x480",   GR_RESOLUTION_856x480   },  /* 0xA */
+  { "512x256",   GR_RESOLUTION_512x256   },  /* 0xB */
+  { "1024x768",  GR_RESOLUTION_1024x768  },  /* 0xC */
+  { "1280x1024", GR_RESOLUTION_1280x1024 },  /* 0xD */
+  { "1600x1200", GR_RESOLUTION_1600x1200 },  /* 0xE */
+  { "400x300",   GR_RESOLUTION_400x300   }   /* 0xF */
+};
+
+static const char*
+GlideRes2String(GrScreenResolution_t res)
+{
+  int i;
+  const char* retVal = NULL;
+
+  for(i = 0; i < sizeof(resTable) / sizeof(resTable[0]); i++) {
+    if (resTable[i].resId == res) {
+      retVal = resTable[i].resName;
+      break;
+    }
+  }
+
+  return ((retVal == NULL)
+          ? "Unknown"
+          : retVal);
+}
+
+static const char*
+GlideRefresh2String(GrScreenRefresh_t refresh)
+{    
+  static const char* refreshStrings[] = {
+    "60", "70", "72", "75", "80", "90", "100", "85", "120"
+  };
+
+  return ((refresh > sizeof(refreshStrings) / sizeof(refreshStrings[0]))
+          ? "Unknown"
+          : refreshStrings[refresh]);
+}
+
+static void 
+DumpOemVideoInfo(const OemVideoTimingInfo* videoInfo)
+{
+  if ((outFile != NULL) && (videoInfo != NULL)) {
+    MyDebugPrintf(outFile, "VideoTimingInfo:\n");
+    MyDebugPrintf(outFile, "\tGlideResolution:  (0x%lX : %s)\n", 
+            videoInfo->res, GlideRes2String(videoInfo->res));
+    MyDebugPrintf(outFile, "\tGlideRefreshRate: (0x%lX : %s Mhz)\n", 
+            videoInfo->refresh, GlideRefresh2String(videoInfo->refresh));
+    MyDebugPrintf(outFile, "\tDepth:            %ld\n", videoInfo->depth);
+    MyDebugPrintf(outFile, "\tHSyncOn:          0x%lX\n", videoInfo->hSyncOn);
+    MyDebugPrintf(outFile, "\tHSyncOff:         0x%lX\n", videoInfo->hSyncOff);
+    MyDebugPrintf(outFile, "\tVSyncOn:          0x%lX\n", videoInfo->vSyncOn);
+    MyDebugPrintf(outFile, "\tVSyncOn:          0x%lX\n", videoInfo->vSyncOff);
+    MyDebugPrintf(outFile, "\tHBackPorch:       0x%lX\n", videoInfo->hBackPorch);
+    MyDebugPrintf(outFile, "\tVBackPorch:       0x%lX\n", videoInfo->vBackPorch);
+    MyDebugPrintf(outFile, "\tXDimension:       0x%lX\n", videoInfo->xDimension);
+    MyDebugPrintf(outFile, "\tYDimension:       0x%lX\n", videoInfo->yDimension);
+    MyDebugPrintf(outFile, "\tClkFreq 16bpp:    %g\n", videoInfo->clkFreq16bpp);
+    MyDebugPrintf(outFile, "\tClkFreq 24bpp:    %g\n", videoInfo->clkFreq24bpp);
+  }
+}
+
+static void 
+DumpOemInitInfo(const char* fnName, const OemInitInfo* oemInfo) 
+{
+  const char* envStr = myGetenv("GDBG_LEVEL");
+  
+  if ((envStr != NULL) && (atoi(envStr) >= 80)) {
+    if (outFile == NULL) outFile = fopen("oemdll.txt", "w");
+    if (outFile != NULL) {
+      MyDebugPrintf(outFile, "%s: \n", fnName);
+      if (oemInfo == NULL) goto __errExit;
+      
+      MyDebugPrintf(outFile, "\tVersion:      %d.%d\n", 
+                    (oemInfo->version >> 16UL), (oemInfo->version & 0xFFFFUL));
+      MyDebugPrintf(outFile, "\tVendorId:     0x%lX\n", oemInfo->vendorID);
+      MyDebugPrintf(outFile, "\tSubVendorId:  0x%lX\n", oemInfo->subvendorID);
+      MyDebugPrintf(outFile, "\tDeviceId:     0x%lX\n", oemInfo->deviceID);
+      MyDebugPrintf(outFile, "\tBoardId:      0x%lX\n", oemInfo->boardID);
+      MyDebugPrintf(outFile, "\tHW BaseAddr:  0x%lX\n", (FxU32)oemInfo->linearAddress);
+      MyDebugPrintf(outFile, "\tSliSlaveAddr: 0x%lX\n", (FxU32)oemInfo->slaveAddress);
+      
+      DumpOemVideoInfo(&oemInfo->vid);
+      
+  __errExit:
+      MyDebugPrintf(outFile, "\n");
+    }
+  }
+}
+
+/*-------------------------------------------------------------------
+  Function: fxoemInitMapBoard
+  Date: 04-Feb-98
+  Implementor(s): atai
+  Description:
+        null function for oem dll 
+  Arguments:
+  oem - information for oem dll
+  Return:
+  -------------------------------------------------------------------*/
+FX_EXPORT FxU32 FX_CSTYLE fxoemInitMapBoard(OemInitInfo *oem)
+{
+#define FN_NAME "fxoemInitMapBoard"
+
+  DumpOemInitInfo(FN_NAME, oem);
+  
+  return 1;
+#undef FN_NAME
+} /* fxoemInitMapBoard */
+
+/*-------------------------------------------------------------------
+  Function: fxoemGet
+  Date: 12-Mar-98
+  Implementor(s): atai
+  Description:
+        null function for oem dll 
+  Arguments:
+  pname - selector to query oem dll functions
+  plenth - length of the parameter in bytes
+  param - data field
+  Return:
+  size of the parameter. O on error or not supported
+  -------------------------------------------------------------------*/
+FX_EXPORT FxI32 FX_CSTYLE fxoemGet(FxU32 pname, FxU32 plength, FxI32 *params)
+{
+#define FN_NAME "fxoemGet"
+
+  switch(pname) {
+  case FX_OEM_TVOUT:
+    if (plength == 4) {
+      *params = FXFALSE;
+      return 4;
+    }
+    break;
+  case FX_OEM_SLIMASTER:
+    if (plength == 8) {
+      *params = 0;
+      *(params +1) = 0;
+      return 8;
+    }
+    break;
+  case FX_OEM_SLISLAVE:
+    if (plength == 8) {
+      *params = 0;
+      *(params +1) = 0;
+      return 8;
+    }
+    break;    
+  }
+  return 0;
+#undef FN_NAME
+} /* fxoemGet */
+
+/*-------------------------------------------------------------------
+  Function: fxoemInitVideoTiming
+  Date: 23-Feb-98
+  Implementor(s): atai
+  Description:
+        null function for oem dll 
+  Arguments:
+  vid - video timing data
+  Return:
+        1  if video timing is modified
+        0  if video timing is unchanged
+  -------------------------------------------------------------------*/
+FX_EXPORT FxU32 FX_CSTYLE fxoemInitVideoTiming(OemVideoTimingInfo *vid)
+{
+#define FN_NAME "fxoemInitVideoTiming"
+
+  DumpOemVideoInfo(vid);
+
+  return 0;
+#undef FN_NAME
+} /* fxoemInitSetVideo */
+
+/*-------------------------------------------------------------------
+  Function: fxoemInitSetVideo
+  Date: 04-Feb-98
+  Implementor(s): atai
+  Description:
+        null function for oem dll 
+  Arguments:
+  oem - information for oem dll
+  Return:
+  -------------------------------------------------------------------*/
+FX_EXPORT FxU32 FX_CSTYLE fxoemInitSetVideo(OemInitInfo *oem)
+{
+#define FN_NAME "fxoemInitSetVideo"
+
+  DumpOemInitInfo(FN_NAME, oem);
+
+  return 1;
+#undef FN_NAME
+} /* fxoemInitSetVideo */
+
+/*-------------------------------------------------------------------
+  Function: fxoemRestoreVideo
+  Date: 04-Feb-98
+  Implementor(s): atai
+  Description:
+        null function for oem dll 
+  Arguments:
+  oem - information for oem dll
+  Return:
+  -------------------------------------------------------------------*/
+FX_EXPORT FxU32 FX_CSTYLE fxoemRestoreVideo(OemInitInfo *oem)
+{
+#define FN_NAME "fxoemRestoreVideo"
+
+  DumpOemInitInfo(FN_NAME, oem);
+  if (outFile != NULL) {
+    fclose(outFile);
+    outFile = NULL;
+  }
+
+  return 1;
+#undef FN_NAME
+} /* fxoemRestoreVideo */
+
+/*-------------------------------------------------------------------
+  Function: fxoemControl
+  Date: 23-Feb-98
+  Implementor(s): atai
+  Description:
+        null function for oem dll 
+  Arguments:
+  mode - determine whether the VGA display or Voodoo Graphics is visiable
+  Return:
+  -------------------------------------------------------------------*/
+FX_EXPORT FxU32 FX_CSTYLE fxoemControl(FxU32 mode)
+{
+#define FN_NAME "fxoemControlMode"
+
+  DumpOemInitInfo(FN_NAME, NULL);
+
+  return 1;
+#undef FN_NAME
+} /* fxoemRestoreVideo */
+
+

glide2x/cvg/glide/oem/oeminit.h

@@ -0,0 +1,93 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+*/
+
+#ifndef __OEMINIT_H__
+#define __OEMINIT_H__
+
+#define OEMINIT_INVALID_BOARD_ID 0xdeadfeed
+#define OEMINIT_VERSION 0x10001
+
+#include "3dfx.h"
+#define FX_DLL_DEFINITION
+#include "fxdll.h"
+#include "sst1vid.h"
+
+#define FX_OEM_CONTROL_ACTIVATE   1
+#define FX_OEM_CONTROL_DEACTIVATE 2
+
+#define FX_OEM_TVOUT              1
+#define FX_OEM_SLIMASTER          2
+#define FX_OEM_SLISLAVE           3
+
+#define FX_OEM_FBI_CONFIG_SHIFT   8
+
+typedef enum {
+    OEM_READ_ONLY,
+    OEM_WRITE_ONLY,
+    OEM_READ_WRITE
+} OemPciIOFlag;
+
+typedef struct {
+    FxU32              regAddress;
+    FxU32              sizeInBytes;
+    OemPciIOFlag       rwFlag;
+} OemPciRegister;
+
+typedef FxU32 (FX_CALL *PciConfigProc)(OemPciRegister, FxU32, FxU32 *);
+
+typedef struct {
+  GrScreenResolution_t res;
+  GrScreenRefresh_t refresh;
+  FxU32 depth;
+  FxU32 hSyncOn;
+  FxU32 hSyncOff;
+  FxU32 vSyncOn;
+  FxU32 vSyncOff;
+  FxU32 hBackPorch;
+  FxU32 vBackPorch;
+  FxU32 xDimension;
+  FxU32 yDimension;
+  float clkFreq16bpp;
+  float clkFreq24bpp;
+} OemVideoTimingInfo;
+
+typedef struct {
+  FxU32 version;        /* Version for this structure */
+  FxU32 vendorID;       /* PCI Vendor ID field */
+  FxU32 subvendorID;    /* PCI sub Vendor ID field */
+  FxU32 deviceID;       /* PCI Device ID field */
+  FxU32 boardID;        /* Board ID: defined for Voodoo2 only!!! */
+  FxU32 *linearAddress; /* address for primary board */
+  FxU32 *slaveAddress;  /* address for slave board */
+  PciConfigProc fxoemPciWriteConfig;
+  PciConfigProc fxoemPciReadConfig;
+  OemVideoTimingInfo vid;
+  FxU32 reserved[42];
+} OemInitInfo;
+
+FX_EXPORT FxU32 FX_CSTYLE fxoemInitMapBoard(OemInitInfo *oem);
+FX_EXPORT FxI32 FX_CSTYLE fxoemGet(FxU32 pname, FxU32 plength, FxI32 *params);
+FX_EXPORT FxU32 FX_CSTYLE fxoemInitVideoTiming(OemVideoTimingInfo *vid);
+FX_EXPORT FxU32 FX_CSTYLE fxoemInitSetVideo(OemInitInfo *oem);
+FX_EXPORT FxU32 FX_CSTYLE fxoemRestoreVideo(OemInitInfo *oem);
+FX_EXPORT FxU32 FX_CSTYLE fxoemControl(FxU32 mode);
+
+#endif /* __OEMINIT_H__ */
+

glide2x/cvg/glide/oem/oeminit.rc

@@ -0,0 +1,71 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+*/
+
+#define OFFICIAL   1 
+#define FINAL      1 
+
+#include <fxver.h>
+#include "rcver.h"
+#include "fxbldno.h"
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+#ifndef GLIDE3
+#define VERSIONNAME             "oeminit2x.dll\0"
+#else
+#define VERSIONNAME             "oeminit3x.dll\0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION MANVERSION, MANREVISION, 0, BUILD_NUMBER
+ PRODUCTVERSION MANVERSION, MANREVISION, 0, BUILD_NUMBER
+ FILEFLAGSMASK 0x0030003FL
+ FILEFLAGS (VER_PRIVATEBUILD|VER_PRERELEASE|VER_DEBUG)
+
+ FILEOS VOS_DOS_WINDOWS32
+ FILETYPE VFT_DRV
+ FILESUBTYPE VFT2_DRV_INSTALLABLE
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904E4"
+        BEGIN
+            VALUE "CompanyName", "3Dfx Interactive, Inc.\0"
+            VALUE "FileDescription", "3Dfx Interactive, Inc. OEM DLL\0"
+            VALUE "FileVersion", VERSIONSTR
+            VALUE "InternalName", VERSIONNAME
+            VALUE "LegalCopyright", "Copyright \251 3Dfx Interactive, Inc. 1997\0"
+            VALUE "OriginalFilename", VERSIONNAME
+            VALUE "ProductName", PRODNAME
+            VALUE "ProductVersion", VERSIONSTR
+            VALUE "Graphics Subsystem", HWSTR
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        /* the following line should be extended for localized versions */
+        VALUE "Translation", 0x409, 1252
+    END
+END

glide2x/cvg/glide/oem/rcver.h

@@ -0,0 +1,47 @@
+/*
+ * THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ * PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ * TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ * INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ * DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ * THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ * FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ * 
+ * USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ * RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ * TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ * AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ * SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ * THE UNITED STATES.  
+ * 
+ * COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ */
+
+#define MANVERSION              2
+#define MANREVISION             53
+
+#ifndef GLIDE3
+#define VERSIONSTR "2.53\0"
+#else
+#define VERSIONSTR "3.0\0"
+#endif
+
+#if defined(CVG) || defined(VOODOO2)
+#   define HWSTR   " Voodoo(tm)\0"
+#   ifdef NT_BUILD
+#     define PRODNAME "Glide(tm) for Voodoo\251 and Windows\256 NT\0"
+#   else
+#     define PRODNAME "Glide(tm) for Voodoo\251 and Windows\256 95/98\0"
+#   endif /* NT_BUILD */
+#elif defined(H3)
+#   define HWSTR   " Banshee(tm)\0"
+#   ifdef NT_BUILD
+#     define PRODNAME "Glide(tm) for Banshee\251 and Windows\256 NT\0"
+#   else
+#     define PRODNAME "Glide(tm) for Banshee\251 and Windows\256 95/98\0"
+#   endif /* NT_BUILD */
+#else
+#   define PRODNAME "Something really, really important\0"
+#   define HWSTR    " Unknown Chip\0"
+#endif

glide2x/cvg/glide/src/Makefile.win32

@@ -0,0 +1,352 @@
+# Win32 makefile for Glide2/CVG and Texus2
+# This makefile MUST be processed by GNU make!!!
+#
+#  Copyright (c) 2004
+#
+#  Daniel Borca
+#  Email : dborca@users.sourceforge.net
+#  Web   : http://www.geocities.com/dborca
+#
+#  Hiroshi Morii
+#  Email : koolsmoky@users.sourceforge.net
+#  Web   : http://www.3dfxzone.it/koolsmoky
+#
+
+
+#
+#  Available options:
+#
+#    Environment variables:
+#	FX_GLIDE_HW	build for the given ASIC (cvg).
+#			default = cvg
+#	CPU		optimize for the given processor.
+#			default = 6 (PentiumPro)
+#	DEBUG=1		disable optimizations and build for debug.
+#			default = no
+#	USE_X86=1	use assembler triangle specializations; req by CVG
+#			default = yes
+#	USE_3DNOW=1	allow 3DNow! specializations. However, the true CPU
+#			capabilities are still checked at run-time to avoid
+#			crashes.
+#			default = no
+#       USE_MMX=1       allow MMX specializations.
+#                       default = no
+#	TEXUS2=1	embed Texus2 functions into Glide2.
+#			default = no
+#       FXOEM2X=1       build fxoem2x.dll
+#                       default = no
+#
+#    Targets:
+#	all:		build everything
+#	glide2x:	build Glide2x lib
+#	clean:		remove object files
+#	realclean:	remove all generated files
+#
+
+
+
+.PHONY: all glide2x clean realclean
+.INTERMEDIATE: fxgasm.exe
+.SUFFIXES: .c .obj .rc .res
+
+###############################################################################
+#	general defines (user settable?)
+###############################################################################
+
+GLIDE_RES = glide.res
+GLIDE_DLL = glide2x.dll
+GLIDE_IMP = glide2x.lib
+TEXUS_EXE = texus2.exe
+
+FX_GLIDE_HW ?= cvg
+FX_GLIDE_SW = ../../../swlibs
+GLIDE_LIBDIR = ../../lib
+TEXUS_EXEDIR = $(FX_GLIDE_SW)/bin
+
+###############################################################################
+#	tools
+###############################################################################
+
+CC = cl
+AS = nasm
+LD = link
+RC = rc
+
+ifeq ($(wildcard $(addsuffix /rm.exe,$(subst ;, ,$(PATH)))),)
+UNLINK = del $(subst /,\,$(1))
+else
+UNLINK = $(RM) $(1)
+endif
+
+###############################################################################
+#	defines
+###############################################################################
+
+# platform
+CDEFS = -D__WIN32__ -DDIRECTX -DFX_DLL_ENABLE -D__3Dfx_PCI_CFG__
+
+# general
+CDEFS += -DGLIDE_HW_TRI_SETUP=1 -DGLIDE_PACKED_RGB=1 -DGLIDE_TRI_CULLING=1 -DGLIDE_DEFAULT_GAMMA=1.3f -DGLIDE_LIB=1
+#CDEFS += -DGLIDE3 -DGLIDE3_ALPHA -DGLIDE3_SCALER
+
+# special sli buffer clears
+CDEFS += -DGLIDE_BLIT_CLEAR=1
+
+# workaround for CVGs with broken tsus which cannot send commands to multiple 
+# tmus using chipfield. chipfield will always be set to 0xf
+CDEFS += -DGLIDE_CHIP_BROADCAST=1
+
+# subsystem
+CDEFS += -DCVG
+
+# debug
+ifdef DEBUG
+CDEFS += -DGDBG_INFO_ON -DGLIDE_DEBUG -DGLIDE_SANITY_ASSERT -DGLIDE_SANITY_SIZE
+endif
+
+override USE_FIFO = 1
+#override USE_X86 = 1
+
+ifeq ($(USE_X86),1)
+CDEFS += -DGLIDE_DISPATCH_SETUP=1 -DGLIDE_DISPATCH_DOWNLOAD=1
+override USE_FIFO = 1
+else
+CDEFS += -DGLIDE_USE_C_TRISETUP=1
+endif
+
+# fifo
+ifeq ($(USE_FIFO),1)
+CDEFS += -DUSE_PACKET_FIFO=1 -DGLIDE_PACKET3_TRI_SETUP=1
+endif
+
+# other
+CDEFS += -DGLIDE_PLUG -DGLIDE_SPLASH
+
+ifeq ($(TEXUS2),1)
+CDEFS += -DHAVE_TEXUS2
+endif
+
+###############################################################################
+#	flags
+###############################################################################
+
+# linker
+LDFLAGS = -nologo -dll -opt:WIN98 -machine:IX86 -nodefaultlib
+
+# assembler
+ASFLAGS = -O6 -fwin32 -D__WIN32__ --prefix _
+ASFLAGS += $(CDEFS)
+
+# compiler
+CFLAGS  = -nologo -W3 -WX -D__MSC__=1
+
+LDLIBS = user32.lib kernel32.lib advapi32.lib
+ifdef DEBUG
+CFLAGS += -Od -MTd -Zi
+LDFLAGS += -debugtype:both -debug
+LDLIBS += LIBCMTD.lib
+else
+CPU ?= 6
+CFLAGS += -DNDEBUG -G$(CPU) -O2 -MT
+LDLIBS += LIBCMT.lib
+endif
+
+CFLAGS += -I. -I../../incsrc -I../../init
+CFLAGS += -I$(FX_GLIDE_SW)/fxmisc -I$(FX_GLIDE_SW)/newpci/pcilib -I$(FX_GLIDE_SW)/fxmemmap
+CFLAGS += -I$(FX_GLIDE_SW)/texus2/lib
+CFLAGS += $(CDEFS)
+
+# cpu optimized triangle
+ifeq ($(USE_MMX),1)
+CFLAGS += -DGL_MMX
+override USE_X86 = 1
+endif
+
+ifeq ($(USE_3DNOW),1)
+CFLAGS += -DGL_AMD3D
+override USE_X86 = 1
+endif
+
+###############################################################################
+#	objects
+###############################################################################
+
+GLIDE_OBJECTS = \
+	fifo.obj \
+	gsplash.obj \
+	g3df.obj  \
+	gu.obj \
+	guclip.obj \
+	gpci.obj \
+	gump.obj \
+	diglide.obj \
+	disst.obj \
+	ditex.obj \
+	gbanner.obj \
+	gerror.obj \
+	gmovie.obj \
+	digutex.obj \
+	ddgump.obj \
+	gaa.obj \
+	gdraw.obj \
+	gglide.obj \
+	glfb.obj \
+	gsst.obj \
+	gtex.obj \
+	gtexdl.obj \
+	gutex.obj \
+	cpuid.obj \
+	fpu.obj \
+	xtexdl_def.obj
+
+ifeq ($(USE_X86),1)
+GLIDE_OBJECTS += \
+	xdraw2_def.obj
+ifeq ($(USE_MMX),1)
+GLIDE_OBJECTS += \
+	xtexdl_mmx.obj
+endif
+ifeq ($(USE_3DNOW),1)
+GLIDE_OBJECTS += \
+	xdraw2_3dnow.obj \
+        xtexdl_3dnow.obj
+endif
+else
+GLIDE_OBJECTS += \
+	gxdraw.obj
+endif
+
+GLIDE_OBJECTS += \
+	$(FX_GLIDE_SW)/newpci/pcilib/fxpci.obj \
+	$(FX_GLIDE_SW)/newpci/pcilib/fxw32.obj \
+	$(FX_GLIDE_SW)/newpci/pcilib/fxvxd.obj \
+	$(FX_GLIDE_SW)/newpci/pcilib/fxnt.obj \
+	$(FX_GLIDE_SW)/newpci/pcilib/fxmsr.obj \
+	../../init/canopus.obj \
+	../../init/dac.obj \
+	../../init/gamma.obj \
+	../../init/gdebug.obj \
+	../../init/info.obj \
+	../../init/parse.obj \
+	../../init/print.obj \
+	../../init/sli.obj \
+	../../init/sst1init.obj \
+	../../init/util.obj \
+	../../init/video.obj \
+	../../init/fxremap.obj
+
+TEXUS_SOURCES = \
+	$(FX_GLIDE_SW)/texus2/lib/texuslib.c \
+	$(FX_GLIDE_SW)/texus2/lib/clamp.c \
+	$(FX_GLIDE_SW)/texus2/lib/read.c \
+	$(FX_GLIDE_SW)/texus2/lib/resample.c \
+	$(FX_GLIDE_SW)/texus2/lib/mipmap.c \
+	$(FX_GLIDE_SW)/texus2/lib/quantize.c \
+	$(FX_GLIDE_SW)/texus2/lib/ncc.c \
+	$(FX_GLIDE_SW)/texus2/lib/nccnnet.c \
+	$(FX_GLIDE_SW)/texus2/lib/pal256.c \
+	$(FX_GLIDE_SW)/texus2/lib/pal6666.c \
+	$(FX_GLIDE_SW)/texus2/lib/dequant.c \
+	$(FX_GLIDE_SW)/texus2/lib/view.c \
+	$(FX_GLIDE_SW)/texus2/lib/util.c \
+	$(FX_GLIDE_SW)/texus2/lib/diffuse.c \
+	$(FX_GLIDE_SW)/texus2/lib/write.c \
+	$(FX_GLIDE_SW)/texus2/lib/tga.c \
+	$(FX_GLIDE_SW)/texus2/lib/3df.c \
+	$(FX_GLIDE_SW)/texus2/lib/ppm.c \
+	$(FX_GLIDE_SW)/texus2/lib/rgt.c \
+	$(FX_GLIDE_SW)/texus2/lib/txs.c \
+	$(FX_GLIDE_SW)/texus2/lib/codec.c \
+	$(FX_GLIDE_SW)/texus2/lib/eigen.c \
+	$(FX_GLIDE_SW)/texus2/lib/bitcoder.c
+
+ifeq ($(TEXUS2),1)
+GLIDE_OBJECTS += $(TEXUS_SOURCES:.c=.obj)
+endif
+
+###############################################################################
+#	rules
+###############################################################################
+
+.c.obj:
+	$(CC) -Fo$@ $(CFLAGS) -c $<
+.rc.res:
+	$(RC) -Fo$@ $(CDEFS) -I$(FX_GLIDE_SW)/fxmisc $<
+
+###############################################################################
+#	main
+###############################################################################
+all: glide2x $(TEXUS_EXEDIR)/$(TEXUS_EXE) fxoem2x
+
+glide2x: $(GLIDE_LIBDIR)/$(GLIDE_DLL)
+
+$(GLIDE_LIBDIR)/$(GLIDE_DLL): $(GLIDE_OBJECTS) $(GLIDE_RES)
+	$(LD) -out:$@ $(LDFLAGS) $(GLIDE_OBJECTS) $(LDLIBS) $(GLIDE_RES)
+
+$(TEXUS_EXEDIR)/$(TEXUS_EXE): $(FX_GLIDE_SW)/texus2/cmd/cmd.c $(GLIDE_LIBDIR)/$(GLIDE_IMP)
+#ifeq ($(TEXUS2),1)
+#	$(CC) -o $@ $(CFLAGS) $^
+#else
+#	$(warning Texus2 not enabled... Skipping $(TEXUS_EXE))
+#endif
+
+fxoem2x: $(GLIDE_LIBDIR)/fxoem2x.dll
+
+ifeq ($(FXOEM2X),1)
+$(GLIDE_LIBDIR)/fxoem2x.dll: ../oem/oeminit.obj ../oem/oeminit.res
+#	$(LD) -out:$@ $(LDFLAGS) ../oem/oeminit.obj $(LDLIBS) ../oem/oeminit.res
+else
+$(GLIDE_LIBDIR)/fxoem2x.dll:
+#	$(warning FxOem2x not enabled... Skipping fxoem2x.dll)
+endif
+
+###############################################################################
+#	rules(2)
+###############################################################################
+
+#cpuid.obj: cpudtect.asm
+#	$(AS) -o $@ $(ASFLAGS) $<
+xdraw2_def.obj: xdraw2.asm
+	$(AS) -o $@ $(ASFLAGS) $<
+xtexdl_def.obj: xtexdl.c
+	$(CC) -Fo$@ $(CFLAGS) -c $<
+xtexdl_mmx.obj: xtexdl.asm
+	$(AS) -o $@ $(ASFLAGS) -DGL_MMX=1 $<
+xdraw2_3dnow.obj: xdraw2.asm
+	$(AS) -o $@ $(ASFLAGS) -DGL_AMD3D=1 $<
+xtexdl_3dnow.obj: xtexdl.asm
+	$(AS) -o $@ $(ASFLAGS) -DGL_AMD3D=1 $<
+
+$(GLIDE_OBJECTS): fxinline.h fxgasm.h
+
+fxinline.h: fxgasm.exe
+	./$< -inline > $@
+
+fxgasm.h: fxgasm.exe
+	./$< -hex > $@
+
+fxgasm.exe: fxgasm.c
+	$(CC) -o $@ $(CFLAGS) $<
+
+###############################################################################
+#	clean, realclean
+###############################################################################
+
+clean:
+	-$(call UNLINK,*.obj)
+	-$(call UNLINK,../../init/*.obj)
+	-$(call UNLINK,$(FX_GLIDE_SW)/newpci/pcilib/*.obj)
+	-$(call UNLINK,fxinline.h)
+	-$(call UNLINK,fxgasm.h)
+	-$(call UNLINK,$(FX_GLIDE_SW)/texus2/lib/*.obj)
+	-$(call UNLINK,../oem/oeminit.obj)
+	-$(call UNLINK,../oem/oeminit.res)
+
+realclean: clean
+	-$(call UNLINK,$(GLIDE_LIBDIR)/glide2x.exp)
+	-$(call UNLINK,$(GLIDE_LIBDIR)/$(GLIDE_DLL))
+	-$(call UNLINK,$(GLIDE_LIBDIR)/$(GLIDE_IMP))
+	-$(call UNLINK,$(TEXUS_EXEDIR)/$(TEXUS_EXE))
+	-$(call UNLINK,$(GLIDE_LIBDIR)/fxoem2x.exp)
+	-$(call UNLINK,$(GLIDE_LIBDIR)/fxoem2x.dll)
+	-$(call UNLINK,$(GLIDE_LIBDIR)/fxoem2x.lib)

glide2x/cvg/glide/src/banner.inc

@@ -0,0 +1,101 @@
+static int banner_width  = 180;
+static int banner_height =  90;
+static unsigned short banner_data[] = {
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+0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 
+};
+#define banner_pixel 16200
+#define MAXR 31
+#define MINR 0
+#define MAXG 63
+#define MING 0
+#define MAXB 31
+#define MINB 0

glide2x/cvg/glide/src/cpudetect.c

@@ -0,0 +1,48 @@
+/*
+ * THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ * PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ * TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ * INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ * DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ * THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ * FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ * 
+ * USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ * RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ * TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ * AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ * SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ * THE UNITED STATES.  
+ * 
+ * COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ */
+
+#include <sys/utsname.h>
+#include <stdio.h>
+#include <string.h>
+
+int _cpu_detect_asm() {
+  struct utsname name;
+
+  uname(&name);
+  if (!strcmp(name.machine, "i386")) return 3;
+  if (!strcmp(name.machine, "i486")) return 4;
+  if (!strcmp(name.machine, "i586")) return 5;
+  if (!strcmp(name.machine, "i686")) return 6;
+  fprintf(stderr, "Couldn't determine cpu type. Using i586\n");
+  return 5;
+}
+
+void single_precision_asm() {
+  asm("push %eax \n fnclex \n fstcw (%esp) \n movl (%esp), %eax \n "
+      "and $0x0000fcff, %eax \n movl %eax, (%esp) \n fldcw (%esp) \n pop %eax");
+}
+
+
+void double_precision_asm() {
+  asm("push %eax \n fnclex \n fstcw (%esp) \n movw (%esp), %eax \n "
+      "and $0x0000fcff, %eax \n or $0x000002ff, %eax \n mov %eax, (%esp) \n "
+      "fldcw (%esp) \n pop %eax");
+}
+

glide2x/cvg/glide/src/cpudtect.S

@@ -0,0 +1,127 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+#
+# $Header$
+# $Log$
+# Revision 1.1.1.1  1999/12/07 21:49:08  joseph
+# Initial checkin into SourceForge.
+#
+# 
+# 2     3/04/97 9:10p Dow
+# Neutered mutiplatform multiheaded monster.
+#
+#
+
+.file  "cpudtect.s"
+
+# 586P
+# model FLAT,C
+
+#      Data for data segment goes here
+# DATA   SEGMENT DWORD USE32 PUBLIC DATA; 
+# DATA   ENDS
+    
+# Some useful constants
+# CPU Type
+CPUTypeUnknown  .ASSIGNA 0xffffffff
+CPUTypePrePent  .ASSIGNA 4
+CPUTypeP5       .ASSIGNA 5
+CPUTypeP6       .ASSIGNA 6
+        
+# References to external data:
+    
+#_TEXT   SEGMENT
+#
+#  _cpu_detect_asm - detect the type of CPU 
+# 
+#  USAGE:
+#
+#  int __cdecl _cpu_detect_asm(void);
+#
+#  returns 4 for non-pen
+
+.text
+.align 4
+.globl _cpu_detect_asm
+_cpu_detect_asm:		
+P6Stuff:
+    pusha                              # save all regs.
+
+    # First, determine whether CPUID instruction is available.
+    # If it's not, then it's a 386 or 486.
+    pushf                               # push original EFLAGS.
+    pop %eax                            # pop into eax
+    mov %eax, %ecx                      # save original EFLAGS in ecx
+    xor $0x200000, %eax                 # flip ID bit in EFLAGS
+    push %eax                           # put it back on stack
+    popf                                # pop into EFLAGS
+    pushf                               # get EFLAGS back
+    pop %eax                            # into eax
+    xor %ecx, %eax                      # check to see if we could toggle ID
+    jz  NotPentium                      # Sorry, not P5 or P6.
+    
+    #
+    # Now determine whether it's an intel P6 CPU.
+    #
+    ##  Is it an Intel CPU?
+    xor %eax, %eax                      # eax = 0.
+    cpuid                               # get cpuid
+    xor $0x756e6547, %ebx               # "Genu"
+    jnz NotIntel
+    xor $0x49656e69, %edx               # "ineI"
+    jnz NotIntel
+    xor $0x6c65746e, %ecx               # "ntel"
+    jnz NotIntel                        #
+    ##  Verifying architecture family
+    mov $1, %eax
+    cpuid                               # get family/model/stepping
+    shr $8, %eax                        # rid of model & stepping number
+    and $0xf, %eax                      # use only family
+    cmp $6, %eax
+    jl     IsP5                         # It's a P5
+    ## Else it's a P6
+    #
+    # Intel P6 processor. 
+    # Make sure it supports Memory Type Range Request registers
+    #
+IsP6:   
+    popa
+    mov $6, %eax                        # 
+    ret                                 # return 
+
+IsP5:   
+    popa
+    mov $5, %eax                        # 
+    ret
+
+NotPentium:
+    popa
+    mov $4, %eax
+    ret
+
+NotIntel:
+    popa
+    mov $0xffffffff, %eax
+    ret
+
+.L_end__cpu_detect_asm:
+.size _cpu_detect_asm,.L_end__cpu_detect_asm-_cpu_detect_asm	
+.END
+
+

glide2x/cvg/glide/src/cpudtect.asm

@@ -0,0 +1,163 @@
+;;
+;; THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+;; PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+;; TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+;; INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+;; DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+;; THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+;; EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+;; FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+;; 
+;; USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+;; RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+;; TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+;; AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+;; SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+;; THE UNITED STATES.  
+;; 
+;; COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+;;
+;; $Header$
+;; $Log$
+; 
+; 4     5/28/97 8:23a Peter
+; Merge w/ original glide source
+; 
+; 2     3/04/97 9:10p Dow
+; Neutered mutiplatform multiheaded monster.
+;;
+;;
+
+TITLE  cpudtect.asm
+
+.586P
+.model FLAT,C                   ; Flat memory, mangle publics with leading '_'
+
+;;      Data for data segment goes here
+;_DATA   SEGMENT DWORD USE32 PUBLIC 'DATA'; 
+;_DATA   ENDS
+    
+;;; Some useful constants
+; CPU Type
+CPUTypeUnknown  = 0ffffffffh
+CPUTypePrePent  = 4h
+CPUTypeP5       = 5h    
+CPUTypeP6       = 6h    
+        
+;;; References to external data:
+    
+_TEXT   SEGMENT
+;;
+;;  _cpu_detect_asm - detect the type of CPU 
+;; 
+;;  USAGE:
+;;
+;;  int __cdecl _cpu_detect_asm(void);
+;;
+;;  returns 4 for non-pen
+
+PUBLIC  _cpu_detect_asm
+_cpu_detect_asm PROC NEAR
+P6Stuff:
+    .586
+    pushad                              ; save all regs.
+
+    ; First, determine whether CPUID instruction is available.
+    ; If it's not, then it's a 386 or 486.
+    pushfd                              ; push original EFLAGS.
+    pop eax                             ; pop into eax
+    mov ecx, eax                        ; save original EFLAGS in ecx
+    xor eax, 0200000h                   ; flip ID bit in EFLAGS
+    push    eax                         ; put it back on stack
+    popfd                               ; pop into EFLAGS
+    pushfd                              ; get EFLAGS back
+    pop eax                             ; into eax
+    xor eax, ecx                        ; check to see if we could toggle ID
+    jz  NotPentium                      ; Sorry, not P5 or P6.
+    
+    ;
+    ; Now determine whether it's an intel P6 CPU.
+    ;
+    ;;  Is it an Intel CPU?
+    xor eax, eax                        ; eax = 0.
+    cpuid                               ; get cpuid
+    xor ebx, 0756e6547h                 ; "Genu"
+    jnz NotIntel
+    xor edx, 049656e69h                 ; "ineI"
+    jnz NotIntel
+    xor ecx, 06c65746eh                 ; "ntel"
+    jnz NotIntel                        ;
+    ;;  Verifying architecture family
+    mov eax, 1
+    cpuid                               ; get family/model/stepping
+    shr eax, 8                          ; rid of model & stepping number
+    and eax, 0fh                        ; use only family
+    cmp eax, 6
+    jl     IsP5                         ; It's a P5
+    ;; Else it's a P6
+    ;
+    ; Intel P6 processor. 
+    ; Make sure it supports Memory Type Range Request registers
+    ;
+IsP6:   
+    popad
+    mov eax, 6                          ; 
+    ret                                 ; return 
+
+IsP5:   
+    popad
+    mov eax, 5                          ; 
+    ret
+
+NotPentium:
+    popad
+    mov eax, 4
+    ret
+
+NotIntel:
+    popad
+    mov eax, 0ffffffffh
+    ret
+        
+_cpu_detect_asm ENDP
+
+
+;------------------------------------------------------------------------------   
+; this routine sets the precision to single
+; which effects all adds, mults, and divs
+    align 4                 ; 
+    PUBLIC  single_precision_asm
+single_precision_asm PROC NEAR
+.586
+    push  eax       ; make room
+    fnclex          ; clear pending exceptions    
+    fstcw WORD PTR [esp]
+    mov   eax, DWORD PTR [esp]
+    and   eax, 0000fcffh  ; clear bits 9:8
+    mov   DWORD PTR [esp], eax
+    fldcw WORD PTR [esp]
+    pop   eax
+    ret   0
+single_precision_asm ENDP
+
+;------------------------------------------------------------------------------   
+; this routine sets the precision to double
+; which effects all adds, mults, and divs
+    align 4                 ; 
+    PUBLIC  double_precision_asm
+double_precision_asm PROC NEAR
+.586
+    push  eax       ; make room
+    fnclex          ; clear pending exceptions    
+    fstcw WORD PTR [esp]
+    mov   eax, DWORD PTR [esp]
+    and   eax, 0000fcffh  ; clear bits 9:8
+    or    eax, 000002ffh  ; set 9:8 to 10
+    mov   DWORD PTR [esp], eax
+    fldcw WORD PTR [esp]
+    pop   eax
+    ret   0
+double_precision_asm ENDP
+    
+_TEXT ENDS
+END

glide2x/cvg/glide/src/cpuid.c

@@ -0,0 +1,352 @@
+/*
+ * CPU detection code
+ *
+ *
+ * Revision 1.1.2.2  2006/09/02 03:12:29  guillemj
+ * Backport glide3 fix for PIC compilation with gcc 4.1 from Hans de Goede.
+ *
+ * Revision 1.1.2.1  2004/12/12 15:16:02  koolsmoky
+ * new cpuid
+ *
+ * Revision 1.1.2.10  2004/10/05 14:54:29  dborca
+ * DOS/OpenWatcom woes
+ *
+ * Revision 1.1.2.9  2003/08/04 12:45:47  dborca
+ * Preparing for MinGW 2.0
+ *
+ * Revision 1.1.2.8  2003/07/29 10:04:32  dborca
+ * Shamelessness.
+ * Safeguard in CPUID.
+ * Changed contact address!
+ * Koolsmoky's texture download fixes.
+ *
+ * Revision 1.1.2.7  2003/07/25 07:14:58  dborca
+ * ... in the name of the Linux, DRI and the sacred Glide...
+ *
+ * Revision 1.1.2.6  2003/07/24 13:13:03  koolsmoky
+ * use __try/__except mechanism for win32 to catch SSE sigillegal in win95
+ *
+ * Revision 1.1.2.5  2003/07/01 11:16:42  dborca
+ * fixed  a bug in GNUC code when running Intel; also removed detritus
+ *
+ * Revision 1.1.2.3  2003/06/13 07:22:58  dborca
+ * more fixes to NASM sources
+ *
+ */
+
+#include <signal.h>
+#include <setjmp.h>
+#include <string.h>
+
+#include "cpuid.h"
+
+#if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ > 3)))
+typedef unsigned int __attribute__((__may_alias__)) word32;
+#else
+typedef unsigned int word32;
+#endif
+
+/* These are the bit flags that get set on calling cpuid
+ * with register eax set to 1
+ */
+#define _MMX_FEATURE_BIT	0x00800000
+#define _SSE_FEATURE_BIT	0x02000000
+#define _SSE2_FEATURE_BIT	0x04000000
+
+/* This bit is set when cpuid is called with
+ * register set to 80000001h (only applicable to AMD)
+ */
+#define _3DNOW_FEATURE_BIT	0x80000000
+#define _3DNOWPLUS_FEATURE_BIT	0x40000000
+#define _MMXPLUS_FEATURE_BIT	0x00400000
+
+/* Testing code:
+ * TEST_SSE       = xorps xmm0, xmm0
+ * TEST_SSE2      = xorpd xmm0, xmm0
+ * TEST_3DNOW     = femms
+ * TEST_MMX       = emms
+ * TEST_3DNOWPLUS = femms | pswapd mm0, mm0 | femms
+ * TEST_MMXPLUS   = emms | pminsw mm0, mm0 | emms
+ */
+#ifdef __GNUC__
+#define TEST_CPUID(f)    __asm __volatile ("pushl %%ebx; cpuid; popl %%ebx"::"a"(f):"%ecx", "%edx")
+#define TEST_SSE()       __asm __volatile (".byte 0x0f, 0x57, 0xc0")
+#define TEST_SSE2()      __asm __volatile (".byte 0x66, 0x0f, 0x57, 0xc0")
+#define TEST_3DNOW()     __asm __volatile (".byte 0x0f, 0x0e")
+#define TEST_MMX()       __asm __volatile (".byte 0x0f, 0x77")
+#define TEST_3DNOWPLUS() __asm __volatile (".byte 0x0f, 0x0e, 0x0f, 0x0f, 0xc0, 0xbb, 0x0f, 0x0e")
+#define TEST_MMXPLUS()   __asm __volatile (".byte 0x0f, 0x77, 0x0f, 0xea, 0xc0, 0x0f, 0x77")
+#else
+#define TEST_CPUID(f)    __asm { _asm mov eax, f _asm cpuid }
+#define TEST_SSE()       __asm { _asm _emit 0x0f _asm _emit 0x57 _asm _emit 0xc0 }
+#define TEST_SSE2()      __asm { _asm _emit 0x66 _asm _emit 0x0f _asm _emit 0x57 _asm _emit 0xc0 }
+#define TEST_3DNOW()     __asm { _asm _emit 0x0f _asm _emit 0x0e }
+#define TEST_MMX()       __asm { _asm _emit 0x0f _asm _emit 0x77 }
+#define TEST_3DNOWPLUS() __asm { _asm _emit 0x0f _asm _emit 0x0e _asm _emit 0x0f _asm _emit 0x0f _asm _emit 0xc0 _asm _emit 0xbb _asm _emit 0x0f _asm _emit 0x0e }
+#define TEST_MMXPLUS()   __asm { _asm _emit 0x0f _asm _emit 0x77 _asm _emit 0x0f _asm _emit 0xea _asm _emit 0xc0 _asm _emit 0x0f _asm _emit 0x77 }
+#endif
+
+
+#ifndef __MSC__
+static jmp_buf j;
+
+
+
+/* Desc: signal handler
+ *
+ * In  : signal number
+ * Out : -
+ *
+ * Note: returns by `longjmp'ing
+ */
+static void handler (int signal)
+{
+ longjmp(j, signal + 1); /* so we can tell... also ensure we don't pass 0 */
+}
+
+
+
+/* Desc: check if CPU has specific feature
+ *
+ * In  : feature request
+ * Out : 0 == fail, input == pass
+ *
+ * Note: this should be in the `has_feature' body. The reason it isn't:
+ *       under some systems (notably Linux), the `setjmp' may thrash EBX,
+ *       which is used for PositionIndependentCode/GlobalOffsetTable system.
+ *       Since EBX is non-volatile register, it should be restored upon return.
+ */
+static int check_feature (int feature)
+{
+ if (setjmp(j)) {
+    /* we got here only when `longjmp'ed by signal handlers */
+    return 0;
+ } else {
+    /* we have signals and jump buffer set */
+    switch (feature) {
+           case _CPU_HAS_CPUID:         TEST_CPUID(0);    break;
+           case _CPU_FEATURE_SSE:       TEST_SSE();       break;
+           case _CPU_FEATURE_SSE2:      TEST_SSE2();      break;
+           case _CPU_FEATURE_3DNOW:     TEST_3DNOW();     break;
+           case _CPU_FEATURE_MMX:       TEST_MMX();       break;
+           case _CPU_FEATURE_3DNOWPLUS: TEST_3DNOWPLUS(); break;
+           case _CPU_FEATURE_MMXPLUS:   TEST_MMXPLUS();   break;
+           default: return 0;
+    }
+    return feature;
+ }
+}
+#endif
+
+
+
+/* Desc: perform (possibly faulting) instructions in a safe manner
+ *
+ * In  : feature request
+ * Out : 0 == fail, input == pass
+ *
+ * Note: pure ANSI code; stupid Watcom cannot handle this.
+ */
+static int has_feature (int feature)
+{
+#ifndef __MSC__
+ int rv;
+
+ /* register signal handlers */
+ void (*old_sigill)(int) = signal(SIGILL, handler);
+ if (old_sigill == SIG_ERR) {
+    return 0;
+ }
+
+ rv = check_feature(feature);
+
+ /* restore the signal handlers */
+ signal(SIGILL, old_sigill);
+ return rv;
+#else
+ /* Use the non-standard __try/__except mechanism because win95 fails to catch
+  * sigillegal for SSE using standard signal mechanism.
+  * HACK ALERT! HACK ALERT! HACK ALERT!
+  * This means the MinGW version cannot be safely run under Win95!
+  */
+#define _TRY() __try {
+#define _EXCEPTION() } __except(1) { return 0; } /* EXCEPTION_EXECUTE_HANDLER=1 */
+ switch (feature) {
+    case _CPU_HAS_CPUID:         _TRY() TEST_CPUID(0)    _EXCEPTION() break;
+    case _CPU_FEATURE_SSE:       _TRY() TEST_SSE()       _EXCEPTION() break;
+    case _CPU_FEATURE_SSE2:      _TRY() TEST_SSE2()      _EXCEPTION() break;
+    case _CPU_FEATURE_3DNOW:     _TRY() TEST_3DNOW()     _EXCEPTION() break;
+    case _CPU_FEATURE_MMX:       _TRY() TEST_MMX()       _EXCEPTION() break;
+    case _CPU_FEATURE_3DNOWPLUS: _TRY() TEST_3DNOWPLUS() _EXCEPTION() break;
+    case _CPU_FEATURE_MMXPLUS:   _TRY() TEST_MMXPLUS()   _EXCEPTION() break;
+    default: return 0;
+ }
+ return feature;
+#endif
+}
+
+
+
+/* Desc: get CPU info
+ *
+ * In  : pointer to _p_info
+ * Out : features
+ *
+ * Note: -
+ */
+int _cpuid (_p_info *pinfo)
+{
+ word32 dwId = 0;
+ word32 dwFeature = 0;
+ word32 dwExt = 0;
+ int feature = 0, os_support = 0;
+ char Ident[13];
+
+ if (!has_feature(_CPU_HAS_CPUID)) {
+    return 0;
+ }
+
+#ifdef __GNUC__
+ __asm("\n\
+	/* get the vendor string */	\n\
+	pushl	%%ebx			\n\
+	xorl	%%eax, %%eax		\n\
+	cpuid				\n\
+	movl	%%ebx, %%eax		\n\
+	popl	%%ebx			\n\
+	movl	%%eax, %3		\n\
+	movl	%%edx, %4		\n\
+	movl	%%ecx, %5		\n\
+	/* get the Standard bits */	\n\
+	pushl	%%ebx			\n\
+	movl	$1, %%eax		\n\
+	cpuid				\n\
+	popl	%%ebx			\n\
+	movl	%%eax, %1		\n\
+	movl	%%edx, %2		\n\
+	/* get AMD-specials */		\n\
+	pushl	%%ebx			\n\
+	movl	$0x80000000, %%eax	\n\
+	cpuid				\n\
+	popl	%%ebx			\n\
+	cmpl	$0x80000000, %%eax	\n\
+	jc	0f			\n\
+	pushl	%%ebx			\n\
+	movl	$0x80000001, %%eax	\n\
+	cpuid				\n\
+	popl	%%ebx			\n\
+	movl	%%edx, %0		\n\
+ 0:					\n\
+ ":"=g"(dwExt), "=g"(dwId), "=g"(dwFeature),
+   "=g"(((long *)Ident)[0]), "=g"(((long *)Ident)[1]), "=g"(((long *)Ident)[2])
+ ::"%eax", "%ecx", "%edx");
+#else
+    _asm
+    {
+        push ebx
+        push ecx
+        push edx
+
+        /* get the vendor string */
+        xor eax,eax
+        cpuid
+        mov dword ptr [Ident],ebx
+        mov dword ptr [Ident+4],edx
+        mov dword ptr [Ident+8],ecx
+
+        /* get the Standard bits */
+        mov eax,1
+        cpuid
+        mov dwId,eax
+        mov dwFeature,edx
+
+        /* get AMD-specials */
+        mov eax,80000000h
+        cpuid
+        cmp eax,80000000h
+        jc notamd
+        mov eax,80000001h
+        cpuid
+        mov dwExt,edx
+
+notamd:
+        pop ecx
+        pop ebx
+        pop edx
+    }
+#endif
+
+#ifndef __WATCOMC__
+ /* stupid watcom does not sigill... */
+ if (dwFeature & _MMX_FEATURE_BIT) {
+    feature |= _CPU_FEATURE_MMX;
+    os_support |= has_feature(_CPU_FEATURE_MMX);
+ }
+ if (dwExt & _3DNOW_FEATURE_BIT) {
+    feature |= _CPU_FEATURE_3DNOW;
+    os_support |= has_feature(_CPU_FEATURE_3DNOW);
+ }
+ if (dwExt & _3DNOWPLUS_FEATURE_BIT) {
+    feature |= _CPU_FEATURE_3DNOWPLUS;
+    os_support |= has_feature(_CPU_FEATURE_3DNOWPLUS);
+ }
+ if (dwExt & _MMXPLUS_FEATURE_BIT) {
+    feature |= _CPU_FEATURE_MMXPLUS;
+    os_support |= has_feature(_CPU_FEATURE_MMXPLUS);
+ }
+ if (dwFeature & _SSE_FEATURE_BIT) {
+    feature |= _CPU_FEATURE_SSE;
+    os_support |= has_feature(_CPU_FEATURE_SSE);
+ }
+ if (dwFeature & _SSE2_FEATURE_BIT) {
+    feature |= _CPU_FEATURE_SSE2;
+    os_support |= has_feature(_CPU_FEATURE_SSE2);
+ }
+#endif
+
+ if (pinfo) {
+    memset(pinfo, 0, sizeof(_p_info));
+    pinfo->os_support = os_support;
+    pinfo->feature = feature;
+    pinfo->family = (dwId >> 8) & 0xF; /* retrieving family */
+    pinfo->model = (dwId >> 4) & 0xF;  /* retrieving model */
+    pinfo->stepping = dwId & 0xF;      /* retrieving stepping */
+    Ident[12] = 0;
+    strcpy(pinfo->v_name, Ident);
+ }
+
+ return feature;
+}
+
+
+
+#if CPUTEST
+#include <stdio.h>
+/* Desc:
+ *
+ * In  :
+ * Out :
+ *
+ * Note:
+ */
+int main (void)
+{
+ _p_info p;
+ _cpuid(&p);
+ printf("vendor  : %s\n", p.v_name);
+ printf("family  : %d\n", p.family);
+ printf("model   : %d\n", p.model);
+ printf("stepping: %X\n", p.stepping);
+ printf("feature : %08x\n", p.feature);
+ printf("support : %08x\n", p.os_support);
+ printf("--------\n");
+ printf("cpuid   : %d\n", has_feature(_CPU_HAS_CPUID));
+ printf("MMX     : %d\n", has_feature(_CPU_FEATURE_MMX));
+ printf("SSE     : %d\n", has_feature(_CPU_FEATURE_SSE));
+ printf("SSE2    : %d\n", has_feature(_CPU_FEATURE_SSE2));
+ printf("3DNow!  : %d\n", has_feature(_CPU_FEATURE_3DNOW));
+ printf("3DNow!+ : %d\n", has_feature(_CPU_FEATURE_3DNOWPLUS));
+ printf("MMX+    : %d\n", has_feature(_CPU_FEATURE_MMXPLUS));
+ return 0;
+}
+#endif

glide2x/cvg/glide/src/ddgump.c

@@ -0,0 +1,581 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.2.2.1  2005/01/22 14:52:01  koolsmoky
+** enabled packed argb for cmd packet type 3
+**
+** Revision 1.2  2000/10/03 18:28:33  mercury
+** 003-clean_up_cvg-000, cvg tree cleanup.
+**
+** Revision 1.1.1.1  1999/12/07 21:49:08  joseph
+** Initial checkin into SourceForge.
+**
+** 
+** 16    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+ * 
+ * 15    12/17/97 4:45p Peter
+ * groundwork for CrybabyGlide
+ * 
+ * 14    12/15/97 5:51p Atai
+ * disable obsolete glide2 api for glide3
+ * 
+ * 13    12/08/97 12:06p Atai
+ * change prototype for grDrawPoint, grDrawLine, grDrawTriangel
+ * 
+ * 12    11/18/97 4:36p Peter
+ * chipfield stuff cleanup and w/ direct writes
+ * 
+ * 11    11/17/97 4:55p Peter
+ * watcom warnings/chipfield stuff
+ * 
+ * 10    11/03/97 3:43p Peter
+ * h3/cvg cataclysm
+ * 
+ * 9     10/27/97 1:16p Peter
+ * fixed silliness
+ * 
+ * 8     10/27/97 11:10a Peter
+ * starting cleanup
+ * 
+ * 7     9/15/97 7:31p Peter
+ * more cmdfifo cleanup, fixed normal buffer clear, banner in the right
+ * place, lfb's are on, Hmmmm.. probably more
+ * 
+ * 6     9/04/97 3:32p Peter
+ * starting grouping serial reg writes
+ * 
+ * 5     6/06/97 10:47a Peter
+ * texture downloading, fixed 640x480 dimension, changed cvg dep to be the
+ * same as sst1
+ * 
+ * 4     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 3     5/21/97 6:04a Peter
+ * 
+ * 2     3/04/97 9:08p Dow
+ * 
+ * 1     12/23/96 1:39p Dow
+ * Changes for multiplatform
+**
+*/
+
+/* Implements multipass drawing */
+
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+#include "gump.h"
+
+/* gump.c */
+extern GrMPState _gumpState;
+
+/*
+** _gumpTexCombineFunction
+**                                                          
+** Sets the texture combine function.  For a dual TMU system this function
+** will configure the TEXTUREMODE registers as appropriate.  For a
+** single TMU system this function will configure TEXTUREMODE if
+** possible, or defer operations until grDrawTriangle() is called.
+*/
+GR_DDFUNC(_gumpTexCombineFunction, void, (int virtual_tmu))
+{
+#define FN_NAME "_gumpTexCombineFunction"
+  FxU32 texmode;
+  GrMPTextureCombineFnc_t tc;
+
+  GR_BEGIN_NOFIFOCHECK("_gumpTexCombineFunction",99);
+  GDBG_INFO_MORE(gc->myLevel,"(%d)\n",virtual_tmu);
+
+  texmode = gc->state.tmu_config[0].textureMode;
+  texmode &= ~(SST_TCOMBINE | SST_TACOMBINE);
+  tc = _gumpState.tc_fnc;
+
+  switch (tc) {
+  case GR_MPTEXTURECOMBINE_ADD:
+    /* tmu0: other + local */
+    /* tmu1: local */
+    /* pass0(tm0): local */
+    /* pass1(tm1): local */
+    if (virtual_tmu == 0) {
+      texmode |= (SST_TC_REPLACE | SST_TCA_REPLACE);
+    } else {
+      texmode |= (SST_TC_REPLACE | SST_TCA_REPLACE);
+    }
+    break;
+
+  case GR_MPTEXTURECOMBINE_MULTIPLY:
+    /* tmu0: other * local */
+    /* tmu1: local */
+    /* pass0(tm0): local */
+    /* pass1(tm1): local */
+    if (virtual_tmu == 0) {
+      texmode |= (SST_TC_REPLACE | SST_TCA_REPLACE);
+    } else {
+      texmode |= (SST_TC_REPLACE | SST_TCA_REPLACE);
+    }
+    break;
+    
+  case GR_MPTEXTURECOMBINE_DETAIL0:
+    /* tmu0: (other - local) * lod + local */
+    /*     = lod * other + (1 - lod) * local */
+    /* tmu1: local */
+    /* pass0(tm0): (-local) * lod + local */
+    /*           = (1 - lod) * local */
+    /* pass1(tm1): (-local) * (1 - lod) + local */
+    /*           = lod * local */
+    if (virtual_tmu == 0) {
+      texmode |= (SST_TC_BLEND_LOD | SST_TCA_BLEND_LOD |
+                  SST_TC_ZERO_OTHER | SST_TCA_ZERO_OTHER);
+    } else {
+      texmode |= (SST_TC_BLEND_LOD | SST_TCA_BLEND_LOD |
+                  SST_TC_REVERSE_BLEND | SST_TCA_REVERSE_BLEND |
+                  SST_TC_ZERO_OTHER | SST_TCA_ZERO_OTHER);      
+    }
+    break;
+
+  case GR_MPTEXTURECOMBINE_DETAIL1:
+    /* tmu0: (other - local) * (1 - lod) + local */
+    /*     = (1 - lod) * other + lod * local */
+    /* tmu1: local */
+    /* pass0(tm0): (-local) * (1 - lod) + local */
+    /*           = lod * local */
+    /* pass1(tm1): (-local) * lod + local */
+    /*           = (1 - lod) * local */
+    if (virtual_tmu == 0) {
+      texmode |= (SST_TC_BLEND_LOD | SST_TCA_BLEND_LOD |
+                  SST_TC_REVERSE_BLEND | SST_TCA_REVERSE_BLEND |
+                  SST_TC_ZERO_OTHER | SST_TCA_ZERO_OTHER);
+    } else {
+      texmode |= (SST_TC_BLEND_LOD | SST_TCA_BLEND_LOD |
+                  SST_TC_ZERO_OTHER | SST_TCA_ZERO_OTHER);
+    }
+    break;
+
+  case GR_MPTEXTURECOMBINE_TRILINEAR0:
+    /* tmu0: (other - local) * lodbfrac + local */
+    /*     = lodbfrac * other + (1 - lodbfrac) * local */
+    /* tmu1: local */
+    /* pass0(tm0): (-local) * lodbfrac + local */
+    /*           = (1 - lodbfrac) * local */
+    /* pass1(tm1): (-local) * (1 - lodbfrac) + local */
+    /*           = lodbfrac * local */
+    if (virtual_tmu == 0) {
+      texmode |= (SST_TC_BLEND_LODFRAC | SST_TCA_BLEND_LODFRAC |
+                  SST_TC_ZERO_OTHER | SST_TCA_ZERO_OTHER);
+    } else {
+      texmode |= (SST_TC_BLEND_LODFRAC | SST_TCA_BLEND_LODFRAC |
+                  SST_TC_REVERSE_BLEND | SST_TCA_REVERSE_BLEND |
+                  SST_TC_ZERO_OTHER | SST_TCA_ZERO_OTHER);
+    }
+    break;
+
+  case GR_MPTEXTURECOMBINE_TRILINEAR1:
+    /* tmu0: (other - local) * (1 - lodbfrac) + local
+       = (1 - lodbfrac) * other + lodbfrac * local
+       tmu1: local
+       pass0(tm0): (-local) * (1 - lodbfrac) + local
+       = lodbfrac * local
+       pass1(tm1): (-local) * lodbfrac + local
+       = (1 - lodbfrac) * local
+       */
+    if (virtual_tmu == 0) {
+      texmode |= (SST_TC_BLEND_LODFRAC | SST_TCA_BLEND_LODFRAC |
+                  SST_TC_REVERSE_BLEND | SST_TCA_REVERSE_BLEND |
+                  SST_TC_ZERO_OTHER | SST_TCA_ZERO_OTHER);
+    } else {
+      texmode |= (SST_TC_BLEND_LODFRAC | SST_TCA_BLEND_LODFRAC |
+                  SST_TC_ZERO_OTHER | SST_TCA_ZERO_OTHER);
+    }
+    break;
+
+  case GR_MPTEXTURECOMBINE_SUBTRACT:
+    /*
+      tmu0: other - local 
+      tmu1: local
+      doesn't work, alpha blender can't subtract
+      */
+    GrErrorCallback("_gumpTexCombineFunction:  TEXTURE_SUBTRACT not supported", FXFALSE);
+    return;
+    break;
+
+  default:
+    GrErrorCallback("_gumpTexCombineFunction:  Unsupported function", FXFALSE);
+    return;
+    break;
+  }
+
+  GR_SET_EXPECTED_SIZE(sizeof(FxU32), 1);
+  {
+    SstRegs* tmuRegs = SST_TMU(hw, 0);
+    
+    GR_SET(eChipTMU0, tmuRegs, textureMode, texmode);
+  }
+  GR_CHECK_SIZE();
+
+  GR_END();
+#undef _gumpTexCombineFunction
+} /* _gumpTexCombineFunction */
+
+GR_ENTRY(guMPDrawTriangle, void, (const GrVertex *a, const GrVertex *b, const GrVertex *c))
+{
+  GR_BEGIN_NOFIFOCHECK("guMPDrawTriangle",98);
+  GDBG_INFO_MORE(gc->myLevel,"(0x%x,0x%x,0x%x)\n",a,b,c);
+  GR_CHECK_F(myName, !a || !b || !c, "NULL pointer passed");
+
+  /* check for multipass texture modes */
+  /* xxx complex multipass mode checks should be moved into gtex/gglide */
+  /* specific color combine modes use texture */
+  /* this is equivalent to
+     fbzColorPath & SST_ENTEXTREMAP
+     cc_state & STATE_CC_REQUIRES_DECAL_STW */
+  /* specific texture combine modes */
+  /* xxx don't even check anymore, because you can't */
+
+  {
+    /* check for not possible on one tmu modes */
+    /* alpha blend enabled (grAlphaBlendMode)
+       xxx some can work, with some cheats, even more
+       low bit alpha switches between iterated and constant rgb
+       (grAlphaControlsITRGBLighting)
+       alpha test (grAlphaTestFunction)
+       xxx actually, NEVER is ok too
+       chromakey
+       */
+
+    if ((gc->state.fbi_config.alphaMode & SST_ENALPHABLEND) ||
+        (gc->state.fbi_config.fbzColorPath & SST_LOCALSELECT_OVERRIDE_WITH_ATEX) ||
+        (gc->state.fbi_config.alphaMode & SST_ENALPHAFUNC) ||
+        (gc->state.fbi_config.fbzMode & SST_ENCHROMAKEY)) {
+      GrErrorCallback("guMPDrawTriangle:  Illegal state", FXFALSE);
+    }
+
+    if (_gumpState.tc_fnc == GR_MPTEXTURECOMBINE_ADD ||
+        _gumpState.tc_fnc == GR_MPTEXTURECOMBINE_DETAIL0 ||
+        _gumpState.tc_fnc == GR_MPTEXTURECOMBINE_DETAIL1 ||
+        _gumpState.tc_fnc == GR_MPTEXTURECOMBINE_TRILINEAR0 ||
+        _gumpState.tc_fnc == GR_MPTEXTURECOMBINE_TRILINEAR1) {
+      /* render pass with all effects */
+      /* select other texture map */
+      /* set alpha blend to add to dest buffer */
+      /* if depth buffering, save depth buffer function,
+         set to z-equal */
+      /* disable fog and color combine bias */
+      /* render other pass */
+      /* restore depth buffer function, restore alpha blend, enable fog
+         and color combine bias */
+
+      FxU32 alphamode, alphamode_orig;
+      FxU32 fbzcolorpath, fbzcolorpath_orig;
+      FxU32 fbzmode, fbzmode_orig = 0;
+      FxU32 fogmode, fogmode_orig = 0;
+
+      alphamode = alphamode_orig = gc->state.fbi_config.alphaMode;
+      fbzcolorpath = fbzcolorpath_orig = gc->state.fbi_config.fbzColorPath;
+      GR_CHECK_SIZE();
+
+      /* first pass */
+
+      /* tmu setup */
+      guTexSource(_gumpState.mmid[0]);
+      _gumpTexCombineFunction(0);
+
+      /* render first pass */
+      grDrawTriangle(a, b, c);
+
+      /* second pass */
+
+      /* xxx may need to copy texture coordinates, see
+         grTexCombineFunction's second parameter.  if so,
+         we have to disable the second coordinate when drawing. */
+
+      /* tmu setup */
+      guTexSource(_gumpState.mmid[1]);
+      _gumpTexCombineFunction(1);
+
+      {
+        const FxBool depthP = ((gc->state.fbi_config.fbzMode & SST_ENDEPTHBUFFER) == SST_ENDEPTHBUFFER);
+        const FxBool fogP = ((gc->state.fbi_config.fogMode & SST_ENFOGGING) == SST_ENFOGGING);
+        const FxU32 regCount = (2 + depthP + fogP);
+        const FxU32 regMask = (0x05 | MaskSelect(depthP, 0x08UL) | MaskSelect(fogP, 0x02UL));
+
+        REG_GROUP_BEGIN(BROADCAST_ID, fbzColorPath, regCount, regMask);
+        {
+          /* disable biasing in color combine */
+          /* this can change the parameters output */
+          /* xxx the equivalent of GR_COLORCOMBINE_CCRGB_BLEND_ITRGB_ON_TEXALPHA
+             does not work, you need to do this instead of below.
+             
+             if (gc->state.cc_fnc == GR_COLORCOMBINE_CCRGB_BLEND_ITRGB_ON_TEXALPHA)
+             {
+             fbzcolorpath &= ~SST_CC_ADD_CLOCAL;
+             }
+             */
+      
+          fbzcolorpath &= ~(SST_CC_ADD_CLOCAL | SST_CC_ADD_ALOCAL | SST_CC_SUB_CLOCAL);
+          REG_GROUP_SET(hw, fbzColorPath, fbzcolorpath);
+
+          /* disable (fogta * fogColor) bias */
+          /* xxx setting ADD_FOG with fog disabled is harmless */
+          if (fogP) {
+            fogmode = fogmode_orig = gc->state.fbi_config.fogMode;
+            fogmode |= SST_FOGADD;
+
+            REG_GROUP_SET(hw, fogMode, fogmode);
+          }
+
+          /* enable alpha blend to add to destination buffers */
+          alphamode &= ~(SST_RGBSRCFACT | SST_RGBDSTFACT | SST_ASRCFACT | SST_ADSTFACT);
+          alphamode |= (SST_ENALPHABLEND |
+                        (SST_A_ONE << SST_RGBSRCFACT_SHIFT) |
+                        (SST_A_ONE << SST_RGBDSTFACT_SHIFT) |
+                        (SST_A_ONE << SST_ASRCFACT_SHIFT) |
+                        (SST_A_ONE << SST_ADSTFACT_SHIFT));
+
+          REG_GROUP_SET(hw, alphaMode, alphamode);
+
+          /* if depth buffering, set to z= mode and disable writes */
+          if (depthP) {
+            fbzmode = fbzmode_orig = gc->state.fbi_config.fbzMode;
+            
+            fbzmode &= ~(SST_ZAWRMASK | SST_ZFUNC);
+            fbzmode |= GR_CMP_EQUAL;
+
+            REG_GROUP_SET(hw, fbzMode, fbzmode);
+          }
+        }
+        REG_GROUP_END();
+
+        /* render other pass */
+        grDrawTriangle(a, b, c);
+
+        /* restore */
+        REG_GROUP_BEGIN(BROADCAST_ID, fbzColorPath, regCount, regMask);
+        {
+          /* restore ccu/acu state */
+          REG_GROUP_SET(hw, fbzColorPath, fbzcolorpath_orig);
+
+          /* restore fog state */
+          if (fogP) REG_GROUP_SET(hw, fogMode, fogmode_orig);
+
+          /* restore alpha blending state */
+          REG_GROUP_SET(hw, alphaMode, alphamode_orig);
+          
+          /* restore depth buffer state */
+          if (depthP) REG_GROUP_SET(hw, fbzMode, fbzmode_orig);
+        }
+        REG_GROUP_END();
+      }
+        
+      goto all_done;
+    } else if (_gumpState.tc_fnc == GR_MPTEXTURECOMBINE_MULTIPLY) {
+      /* disable fog and color combine bias */
+      /* render pass with all other effects */
+      /* select other texture map */
+      /* set alpha blend to multiply to dest buffer */
+      /* if depth buffering, save depth buffer function,
+         set to z-equal */
+      /* disable fog and color combine factor */
+      /* render other pass */
+      /* if fog or color combine w/bias */
+      /* disable tmu */
+      /* set alpha blend to add to dest buffer */
+      /* enable fog and color combine bias */
+      /* render bias pass */
+      /* restore depth buffer function, restore alpha blend, enable fog
+         and color combine bias */
+
+      FxU32 alphamode, alphamode_orig;
+      FxU32 fbzcolorpath, fbzcolorpath_orig;
+      FxU32 fbzmode, fbzmode_orig = 0;
+      FxU32 fogmode, fogmode_orig = 0;
+
+      alphamode = alphamode_orig = gc->state.fbi_config.alphaMode;
+      fbzcolorpath = fbzcolorpath_orig = gc->state.fbi_config.fbzColorPath;
+
+      /* first pass */
+
+      /* tmu setup */
+
+      guTexSource(_gumpState.mmid[0]);
+      _gumpTexCombineFunction(0);
+
+      /* disable bias */
+      {
+        const FxBool depthP = ((gc->state.fbi_config.fbzMode & SST_ENDEPTHBUFFER) == SST_ENDEPTHBUFFER);
+        const FxBool fogP = ((gc->state.fbi_config.fogMode & SST_ENFOGGING) == SST_ENFOGGING);
+        const FxU32 regCount = (2 + depthP + fogP);
+        const FxU32 regMask = (0x05 | MaskSelect(depthP, 0x08UL) | MaskSelect(fogP, 0x02UL));
+
+        REG_GROUP_BEGIN(BROADCAST_ID, fbzColorPath, (1 + fogP), (0x01UL | MaskSelect(fogP, 0x02UL)));
+        {
+          /* disable biasing in color combine */
+          /* this can change the parameters output */
+          /* xxx consult add path for switch version */
+          /* xxx the equivalent of GR_COLORCOMBINE_CCRGB_BLEND_ITRGB_ON_TEXALPHA
+             does not work, you need to do this instead of below.
+             
+             if (gc->state.cc_fnc == GR_COLORCOMBINE_CCRGB_BLEND_ITRGB_ON_TEXALPHA)
+             {
+             fbzcolorpath &= ~SST_CC_ADD_CLOCAL;
+             }
+             */
+
+          fbzcolorpath &= ~(SST_CC_ADD_CLOCAL | SST_CC_ADD_ALOCAL | SST_CC_SUB_CLOCAL);
+          REG_GROUP_SET(hw, fbzColorPath, fbzcolorpath);
+
+          /* disable (fogta * fogColor) bias */
+          /* xxx setting ADD_FOG with fog disabled is harmless */
+          if (fogP) {
+            fogmode = fogmode_orig = gc->state.fbi_config.fogMode;
+            fogmode |= SST_FOGADD;
+
+            REG_GROUP_SET(hw, fogMode, fogmode);
+          }
+        }
+        REG_GROUP_END();
+        
+        /* render first pass */
+        grDrawTriangle(a, b, c);
+        
+        /* second pass */
+        /* xxx may sometimes need to copy texture coordinates */
+        
+        /* tmu setup */
+        guTexSource(_gumpState.mmid[1]);
+        _gumpTexCombineFunction(1);
+
+        REG_GROUP_BEGIN(BROADCAST_ID, fbzColorPath, regCount, regMask);
+        {
+          /* disable factor and bias in color combine--
+             decal, except for the cases that need texture alpha */
+          /* this can change the parameters output */
+          fbzcolorpath  = fbzcolorpath_orig;
+          fbzcolorpath &= ~( SST_RGBSELECT |
+                             SST_LOCALSELECT |
+                             SST_CC_ZERO_OTHER |
+                             SST_CC_SUB_CLOCAL |
+                             SST_CC_MSELECT |
+                             SST_CC_REVERSE_BLEND |
+                             SST_CC_ADD_CLOCAL |
+                             SST_CC_ADD_ALOCAL |
+                             SST_CC_INVERT_OUTPUT |
+                             SST_CC_REVERSE_BLEND );
+          
+          /* xxx the equivalent of GR_COLORCOMBINE_CCRGB_BLEND_ITRGB_ON_TEXALPHA
+             does not work, you need to do this instead of below.
+             
+             if ( gc->state.cc_fnc == GR_COLORCOMBINE_CCRGB_BLEND_ITRGB_ON_TEXALPHA )
+             {
+             xxx see implementation notes on why this isn't implemented yet
+             GrErrorCallback("guDrawTriangleMP: "
+             "MULTIPLY and BLEND_ITRGB_ON_TEXALPHA not implemented yet!", FXFALSE );
+             goto all_done;
+             }
+             */
+          fbzcolorpath |= SST_RGBSEL_TMUOUT;
+          REG_GROUP_SET(hw, fbzColorPath, fbzcolorpath);
+
+          /* disable fog */
+          if (fogP) REG_GROUP_SET(hw, fogMode, 0);
+          
+          /* enable alpha blend to multiply to destination buffers */
+          /* xxx alpha component blender can only handle factors of
+             0 and 1 */
+          alphamode &= ~(SST_RGBSRCFACT | SST_RGBDSTFACT | SST_ASRCFACT | SST_ADSTFACT);
+          alphamode |= (SST_ENALPHABLEND |
+                        (SST_A_COLOR << SST_RGBSRCFACT_SHIFT) |
+                        (SST_A_ZERO << SST_RGBDSTFACT_SHIFT) |
+                        (SST_A_ONE << SST_ASRCFACT_SHIFT) |
+                        (SST_A_ZERO << SST_ADSTFACT_SHIFT));
+
+          REG_GROUP_SET(hw, alphaMode, alphamode);
+          
+          /* if depth buffering, set to z= mode and disable writes */
+          if (depthP) {
+            fbzmode = fbzmode_orig = gc->state.fbi_config.fbzMode;
+            fbzmode &= ~(SST_ZAWRMASK | SST_ZFUNC);
+            fbzmode |= GR_CMP_EQUAL;
+            
+            REG_GROUP_SET(hw, fbzMode, fbzmode);
+          }
+        }
+        REG_GROUP_END();
+
+        /* render second pass */
+        grDrawTriangle(a, b, c);
+        
+        /* if bias, third pass */
+        if (fogP) {
+          /* enable alpha blend to add to destination buffers */
+          REG_GROUP_BEGIN(BROADCAST_ID, fogMode, 2, 0x03);
+          {
+            /* disable fog factor, leave fog bias enabled */
+            /* xxx setting ADD_MULT with fog disabled is harmless */
+            fogmode = fogmode_orig;
+            fogmode |= SST_FOGMULT;
+            REG_GROUP_SET(hw, fogMode, fogmode);
+            
+            alphamode &= ~(SST_RGBSRCFACT | SST_RGBDSTFACT | SST_ASRCFACT | SST_ADSTFACT);
+            alphamode |= (SST_ENALPHABLEND |
+                          (SST_A_ONE << SST_RGBSRCFACT_SHIFT) |
+                          (SST_A_ONE << SST_RGBDSTFACT_SHIFT) |
+                          (SST_A_ONE << SST_ASRCFACT_SHIFT) |
+                          (SST_A_ONE << SST_ADSTFACT_SHIFT));
+            REG_GROUP_SET(hw, alphaMode, alphamode);
+          }
+          REG_GROUP_END();
+          
+          /* render third pass */
+          grDrawTriangle(a, b, c);
+        }
+
+        REG_GROUP_BEGIN(BROADCAST_ID, fbzColorPath, regCount, regMask);
+        {
+          /* restore ccu/acu state */
+          REG_GROUP_SET(hw, fbzColorPath, fbzcolorpath_orig);
+
+          /* restore fog state */
+          if (fogP) REG_GROUP_SET(hw, fogMode, fogmode_orig);
+
+          /* restore alpha blending state */
+          REG_GROUP_SET(hw, alphaMode, alphamode_orig);
+          
+          /* restore depth buffer state */
+          if (depthP) REG_GROUP_SET(hw, fbzMode, fbzmode_orig);
+        }
+        REG_GROUP_END();
+      }
+
+      goto all_done;
+    } else if (_gumpState.tc_fnc == GR_MPTEXTURECOMBINE_SUBTRACT) {
+      GrErrorCallback("gumpDrawTriangle:  GR_MPTEXCOMBINE_SUBTRACT not implemented", FXFALSE);
+      goto all_done;
+    }
+  }
+
+all_done:
+  GR_END();
+}
+

glide2x/cvg/glide/src/diglide.c

@@ -0,0 +1,420 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.1.1.1.2.3  2005/01/22 14:52:01  koolsmoky
+** enabled packed argb for cmd packet type 3
+**
+** Revision 1.1.1.1.2.2  2004/12/23 20:45:56  koolsmoky
+** converted to nasm syntax
+** added x86 asm, 3dnow! triangle and mmx, 3dnow! texture download optimizations
+**
+** Revision 1.1.1.1.2.1  2004/12/12 15:18:58  koolsmoky
+** changes to support new cpuid; moved single_precision_asm(), double_precision_asm() from cpudetect.asm
+**
+** Revision 1.1.1.1  1999/12/07 21:49:08  joseph
+** Initial checkin into SourceForge.
+**
+** 
+** 40    6/23/98 5:38p Peter
+** lfb hinting
+** 
+** 39    3/17/98 3:00p Peter
+** removed unused stats
+** 
+** 38    3/02/98 7:22p Peter
+** moved internal function to where it is used
+** 
+** 37    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+** 
+** 36    2/20/98 9:05a Peter
+** removed remnants of comdex grot
+** 
+** 35    1/30/98 4:31p Peter
+** general clenaup
+** 
+** 34    1/20/98 10:48a Atai
+** validate state in grGlideGetState
+ * 
+ * 33    1/07/98 10:22a Peter
+ * lod dithering env var
+ * 
+ * 32    1/06/98 3:53p Atai
+ * remove grHint, modify grLfbWriteRegion and grGet
+ * 
+ * 31    12/17/97 4:05p Atai
+ * added grChromaRange(), grGammaCorrecionRGB(), grRest(), and grGet()
+ * functions
+ * 
+ * 30    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 29    12/01/97 5:46p Peter
+ * fixed variable names in swizzle
+ * 
+ * 28    12/01/97 5:17p Peter
+ * 
+ * 27    11/18/97 4:36p Peter
+ * chipfield stuff cleanup and w/ direct writes
+ * 
+ * 26    11/14/97 5:02p Peter
+ * more comdex stuff
+ * 
+ * 25    11/14/97 12:09a Peter
+ * comdex thing and some other stuff
+ * 
+ * 24    11/12/97 2:27p Peter
+ * 
+ * 23    11/12/97 11:39a Dow
+ * H3 Stuff
+ * 
+ * 22    11/12/97 9:21a Dow
+ * Changed CVG_FIFO to USE_PACKET_FIFO
+ * 
+ * 21    11/04/97 4:00p Dow
+ * Banshee Mods
+ * 
+ * 20    11/03/97 3:43p Peter
+ * h3/cvg cataclysm
+ * 
+ * 19    10/16/97 3:40p Peter
+ * packed rgb
+ * 
+ * 18    9/20/97 10:53a Peter
+ * keep track of palette stats
+ * 
+ * 17    9/15/97 7:31p Peter
+ * more cmdfifo cleanup, fixed normal buffer clear, banner in the right
+ * place, lfb's are on, Hmmmm.. probably more
+ * 
+ * 16    9/10/97 10:13p Peter
+ * fifo logic from GaryT, non-normalized fp first cut
+ * 
+ * 15    7/25/97 11:40a Peter
+ * removed dHalf, change field name to match real use for cvg
+ * 
+ * 14    7/08/97 2:48p Peter
+ * 
+ * 13    6/30/97 3:20p Peter
+ * error callback
+ * 
+ * 12    6/23/97 4:43p Peter
+ * cleaned up #defines etc for a nicer tree
+ * 
+**
+*/
+
+#include <string.h>
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+#include "rcver.h"
+static char glideIdent[] = "@#%" VERSIONSTR ;
+
+/* the root of all EVIL */
+struct _GlideRoot_s GR_CDECL _GlideRoot;
+/* This is global to speed up the function call wrappers */
+
+/*---------------------------------------------------------------------------
+**
+*/
+void
+_grDisplayStats(void)
+{
+    int frames = _GlideRoot.stats.bufferSwaps;
+
+    if (frames <= 0) frames = 1;
+    gdbg_info(80,"GLIDE STATISTICS:\n");
+    gdbg_info(80,"     triangles processed: %7d       tris drawn: %7d\n",
+              _GlideRoot.stats.trisProcessed, _GlideRoot.stats.trisDrawn);
+    gdbg_info(80,"            buffer swaps: %7d       tris/frame: %7d , %d\n",
+                   _GlideRoot.stats.bufferSwaps,
+                   _GlideRoot.stats.trisProcessed/frames,
+                   _GlideRoot.stats.trisDrawn/frames);
+    gdbg_info(80,"                  points: %7d       pnts/frame: %7d\n",
+              _GlideRoot.stats.pointsDrawn, _GlideRoot.stats.pointsDrawn/frames);
+    gdbg_info(80,"                   lines: %7d      lines/frame: %7d\n",
+              _GlideRoot.stats.linesDrawn, _GlideRoot.stats.linesDrawn/frames);
+    gdbg_info(80,"       texture downloads: %7d    texture bytes: %7d\n",
+                   _GlideRoot.stats.texDownloads,  _GlideRoot.stats.texBytes);
+    gdbg_info(80,"       palette downloads: %7d    palette bytes: %7d\n",
+                   _GlideRoot.stats.palDownloads, _GlideRoot.stats.palBytes);
+    gdbg_info(80,"           NCC downloads: %7d        NCC bytes: %7d\n",
+              _GlideRoot.stats.nccDownloads, _GlideRoot.stats.nccBytes);
+
+#if USE_PACKET_FIFO
+    gdbg_info(80,"\tCommandFifo:\n");
+    gdbg_info(80,"\t\tWraps: %ld\n", _GlideRoot.stats.fifoWraps);
+    if (_GlideRoot.stats.fifoWraps > 0) {
+      gdbg_info(80,"\t\tAvg Drain Depth: %g\n", 
+                (double)_GlideRoot.stats.fifoWrapDepth / _GlideRoot.stats.fifoWraps);
+    }
+    gdbg_info(80,"\t\tStalls: %ld\n", _GlideRoot.stats.fifoStalls);
+    if (_GlideRoot.stats.fifoStalls > 0) {
+      gdbg_info(80,"\t\tAvg Stall Depth: %g\n", 
+                (double)_GlideRoot.stats.fifoStallDepth / _GlideRoot.stats.fifoStalls);
+    }
+#endif /* CVG_FIFO */
+}
+
+#if !USE_PACKET_FIFO
+/*
+** fifoFree is kept in bytes, each fifo entry is 8 bytes, but since there
+** are headers involved, we assume an average of 2 registers per 8 bytes
+** or 4 bytes of registers stored in every fifo entry
+*/
+void
+_grReCacheFifo(FxI32 n)
+{
+#if !(GLIDE_PLATFORM & GLIDE_HW_H3)
+  GR_DCL_GC;
+  gc->state.fifoFree = ((grSstStatus() >> SST_MEMFIFOLEVEL_SHIFT) & 0xffff)<<2;
+
+#if 0
+  gc->state.fifoFree -= gc->hwDep.sst1Dep.swFifoLWM + n;
+#endif
+#endif
+}
+
+FxI32 GR_CDECL
+_grSpinFifo(FxI32 n)
+{
+  GR_DCL_GC;
+  do {
+    _grReCacheFifo(n);
+  } while (gc->state.fifoFree < 0);
+
+  return gc->state.fifoFree;
+}
+#endif /* !USE_PACKET_FIFO */
+
+/*---------------------------------------------------------------------------
+**
+*/
+void 
+_grSwizzleColor(GrColor_t *color)
+{
+  GR_DCL_GC;
+  FxU32 red, green, blue, alpha;
+  
+  switch(gc->state.color_format) {
+  case GR_COLORFORMAT_ARGB:
+    break;
+
+  case GR_COLORFORMAT_ABGR:
+    red     = (*color & 0x000000ff) << 16; /* 00RR0000 */
+    blue    = (*color & 0x00ff0000) >> 16; /* 000000BB */
+    *color &= 0xff00ff00;                  /* AA00GG00 */
+    *color |= (red | blue);                /* AARRGGBB */
+    break;
+
+  case GR_COLORFORMAT_RGBA:
+    blue   = (*color & 0x0000ff00) >> 8;  /* 000000BB */
+    green  = (*color & 0x00ff0000) >> 8;  /* 0000GG00 */
+    red    = (*color & 0xff000000) >> 8;  /* 00RR0000 */
+    alpha  = (*color & 0x000000ff) << 24; /* AA000000 */
+    *color = alpha | red | green | blue;  /* AARRGGBB */
+    break;
+
+  case GR_COLORFORMAT_BGRA:
+    blue   = (*color & 0xff000000) >> 24; /* 000000BB */
+    green  = (*color & 0x00ff0000) >> 8;  /* 0000GG00 */
+    red    = (*color & 0x0000ff00) << 8;  /* 00RR0000 */
+    alpha  = (*color & 0x000000ff) << 24; /* AA000000 */
+    *color = alpha | red | green | blue;  /* AARRGGBB */
+    break;
+
+  default:
+    GR_ASSERT(0);
+    break;
+  }
+} /* _grSwizzleColor */
+
+/*---------------------------------------------------------------------------
+** grGlideGetVersion
+** NOTE: allow this to be called before grGlideInit()
+*/
+GR_DIENTRY(grGlideGetVersion, void, (char version[80]))
+{
+  GDBG_INFO(87,"grGlideGetVersion(0x%x) => \"%s\"\n",version,glideIdent+3);
+  GR_ASSERT(version != NULL);
+  strcpy(version,glideIdent+3);
+} /* grGlideGetVersion */
+
+/*---------------------------------------------------------------------------
+** grGlideGetState
+*/
+GR_DIENTRY(grGlideGetState, void, (GrState *state))
+{
+  GR_BEGIN_NOFIFOCHECK("grGlideGetState",87);
+  GDBG_INFO_MORE(gc->myLevel,"(0x%x)\n",state);
+  GR_ASSERT(state != NULL);
+
+  *state = gc->state;
+  GR_END();
+} /* grGlideGetState */
+
+#ifndef GLIDE_ALPHA
+/*---------------------------------------------------------------------------
+** grHints
+*/
+GR_DIENTRY(grHints, void, (GrHint_t hintType, FxU32 hints))
+{
+  GR_BEGIN_NOFIFOCHECK("grHints",85);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,0x%x)\n",hintType,hints);
+
+  switch (hintType) {
+  case GR_HINT_STWHINT:
+    if (gc->state.paramHints != hints) {
+      gc->state.paramHints = hints;
+      _grUpdateParamIndex();
+    }
+    break;
+
+  case GR_HINT_FIFOCHECKHINT:
+    /* swFifoLWM is kept internally in bytes, hints are in fifo entries */ 
+    gc->state.checkFifo = hints;
+    break;
+
+  case GR_HINT_FPUPRECISION:
+    hints ? double_precision_asm() : single_precision_asm();
+    break;
+
+  case GR_HINT_ALLOW_MIPMAP_DITHER:
+    /* Regardless of the game hint, force the user selection */
+    gc->state.allowLODdither = ((_GlideRoot.environment.texLodDither != 0) || 
+                                hints);
+    break;
+
+  case GR_HINT_LFB_WRITE:
+  {
+    const FxU32 lfbRange = (((hints * gc->state.screen_height) + 0x1000UL) & 
+                            ~(0x1000UL - 1));
+    
+    pciLinearRangeSetPermission((const FxU32)((const FxU8*)gc->base_ptr + 0x200000UL),
+                                0x200000UL,
+                                FXFALSE);
+    pciLinearRangeSetPermission((const FxU32)gc->lfb_ptr,
+                                lfbRange,
+                                FXTRUE);
+    pciLinearRangeSetPermission((const FxU32)((const FxU8*)gc->lfb_ptr + lfbRange),
+                                0x400000UL - lfbRange,
+                                FXFALSE);
+    break;
+  }
+
+  case GR_HINT_LFB_PROTECT:
+    pciLinearRangeSetPermission((const FxU32)((const FxU8*)gc->base_ptr + 0x200000UL),
+                                0x200000UL,
+                                FXTRUE);
+    pciLinearRangeSetPermission((const FxU32)gc->lfb_ptr,
+                                0x400000,
+                                FXFALSE);
+    break;
+
+  case GR_HINT_LFB_RESET:
+    pciLinearRangeSetPermission((const FxU32)gc->base_ptr,
+                                0x1000000UL,
+                                FXTRUE);
+    break;
+  
+  default:
+    GR_CHECK_F(myName, 1, "invalid hints type");
+  }
+  GR_END();
+} /* grHints */
+#endif
+
+/*---------------------------------------------------------------------------
+** grGlideInit
+*/
+GR_DIENTRY(grGlideInit, void, (void))
+{
+  GDBG_INIT();
+  
+  GDBG_INFO(80,"grGlideInit()\n");
+  _GlideInitEnvironment();                      /* the main init code */
+  FXUNUSED(*glideIdent);
+
+#if GDBG_INFO_ON
+  gdbg_error_set_callback(_grErrorCallback);
+#endif
+
+  grResetTriStats();
+
+  GDBG_INFO(281,"grGlideInit --done---------------------------------------\n");
+} /* grGlideInit */
+
+
+/*---------------------------------------------------------------------------
+**  grGlideShamelessPlug - grGlideShamelessPlug
+**
+**  Returns:
+**
+**  Notes:
+**
+*/
+GR_DIENTRY(grGlideShamelessPlug, void, (const FxBool mode))
+{
+  GDBG_INFO(80,"grGlideShamelessPlug(%d)\n",mode);
+  _GlideRoot.environment.shamelessPlug = mode;
+} /* grGlideShamelessPlug */
+
+/*---------------------------------------------------------------------------
+**  grResetTriStats - Set triangle counters to zero.
+*/
+GR_DIENTRY(grResetTriStats, void, (void))
+{
+  GDBG_INFO(80,"grResetTriStats()\n");
+  _GlideRoot.stats.bufferSwaps = 0;
+  _GlideRoot.stats.linesDrawn = 0;
+  _GlideRoot.stats.trisProcessed = 0;
+  _GlideRoot.stats.trisDrawn = 0;
+  _GlideRoot.stats.texDownloads = 0;
+  _GlideRoot.stats.texBytes = 0;
+  _GlideRoot.stats.palDownloads = 0;
+  _GlideRoot.stats.palBytes = 0;
+} /* grResetTriStats */
+
+
+/*---------------------------------------------------------------------------
+**  grResetTriStats - Set triangle counters to zero.
+*/
+GR_DIENTRY(grTriStats, void, (FxU32 *trisProcessed, FxU32 *trisDrawn))
+{
+  GDBG_INFO(80,"grTriStats() => %d %d\n",
+                _GlideRoot.stats.trisProcessed,
+                _GlideRoot.stats.trisDrawn);
+  *trisProcessed = _GlideRoot.stats.trisProcessed;
+  *trisDrawn = _GlideRoot.stats.trisDrawn;
+} /* grTriStats */
+
+void GR_CDECL
+_grFence(void)
+{
+  GDBG_INFO(120,"\t\t\t\t\t\t\tFENCE\n");
+  P6FENCE;
+}

glide2x/cvg/glide/src/digutex.c

@@ -0,0 +1,581 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** 
+** 11    2/20/98 5:31p Peter
+** crybaby glide
+** 
+** 10    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+ * 
+ * 9     1/08/98 7:09p Peter
+ * real hw stuff modulo makefile change
+ * 
+ * 8     1/06/98 6:47p Atai
+ * undo grSplash and remove gu routines
+ * 
+ * 7     12/15/97 5:51p Atai
+ * disable obsolete glide2 api for glide3
+ * 
+ * 6     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 5     5/21/97 6:04a Peter
+ * 
+ * 4     5/05/97 4:24p Pgj
+ * Neuter guTexDownloadMipMap error message
+ * 
+ * 3     3/18/97 9:07p Dow
+ * Got rid of #$#%#$ // comments
+ * 
+ * 2     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+ * 
+ * 1     12/23/96 1:39p Dow
+ * Changes for multiplatform
+**
+*/
+
+#include <string.h>
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+/* externals from ditex.c */
+extern FxU32 _grMipMapHostSize[][16];
+extern FxU32 _gr_aspect_index_table[];
+extern FxU32 _gr_aspect_xlate_table[];
+extern FxU32 _gr_evenOdd_xlate_table[];
+
+
+/*---------------------------------------------------------------------------
+** guTexAllocateMemory
+*/
+GR_DIENTRY(guTexAllocateMemory, GrMipMapId_t, ( GrChipID_t tmu,
+                    FxU8 odd_even_mask,
+                    int width, int height,
+                    GrTextureFormat_t format,
+                    GrMipMapMode_t mipmap_mode,
+                    GrLOD_t small_lod, GrLOD_t large_lod,
+                    GrAspectRatio_t aspect_ratio,
+                    GrTextureClampMode_t s_clamp_mode,
+                    GrTextureClampMode_t t_clamp_mode,
+                    GrTextureFilterMode_t minfilter_mode,
+                    GrTextureFilterMode_t magfilter_mode,
+                    float lod_bias,
+                    FxBool trilinear
+                    ))
+{
+  FxU32
+    memrequired,
+    memavail,
+    baseAddress,
+    tLod,
+    texturemode,
+    filterMode,                 /* filter mode bits */
+    clampMode;                  /* clamp mode bits */
+
+  GrMipMapId_t
+    mmid = (GrMipMapId_t) GR_NULL_MIPMAP_HANDLE;
+  int
+    int_lod_bias;
+  GrTexInfo info;
+
+  GR_BEGIN_NOFIFOCHECK("guTexAllocateMemory",99);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,%d, %d,%d, %d,%d, %d,%d,%d, %d,%d, %d,%d)\n",
+                tmu,odd_even_mask,width,height,format,mipmap_mode,
+                small_lod,large_lod,aspect_ratio,
+                s_clamp_mode,t_clamp_mode, minfilter_mode,magfilter_mode);
+  /*
+   ** The constants are actually reverse of each other so the following
+   ** test IS valid!
+   */
+  GR_CHECK_F(myName, small_lod < large_lod, "smallest_lod is larger than large_lod");
+  
+  info.smallLod = small_lod;
+  info.largeLod = large_lod;
+  info.aspectRatio = aspect_ratio;
+  info.format = format;
+  memrequired = grTexTextureMemRequired(odd_even_mask, &info);
+
+  /*
+   ** Make sure to not cross 2 MByte texture boundry
+   */
+  if ((gc->tmu_state[tmu].freemem_base < 0x200000) &&
+    (gc->tmu_state[tmu].freemem_base + memrequired > 0x200000))
+    gc->tmu_state[tmu].freemem_base = 0x200000;
+  
+  /*
+   ** If we have enough memory and a free mip map handle then go for it
+   */
+  memavail = guTexMemQueryAvail( tmu );
+  
+  if ( memavail < memrequired )
+    return (GrMipMapId_t) GR_NULL_MIPMAP_HANDLE;
+  
+  if (gc->mm_table.free_mmid >= MAX_MIPMAPS_PER_SST )
+    return (GrMipMapId_t) GR_NULL_MIPMAP_HANDLE;
+  
+  /*
+   ** Allocate the mip map id
+   */
+  mmid = gc->mm_table.free_mmid++;
+
+  /*
+   ** calculate baseAddress (where LOD 0 would go)
+   */
+  baseAddress = _grTexCalcBaseAddress( gc->tmu_state[tmu].freemem_base, 
+                                       large_lod, 
+                                       aspect_ratio, 
+                                       format, 
+                                       odd_even_mask );
+
+  GDBG_INFO(gc->myLevel,"  baseAddress = 0x%x (in bytes)\n",baseAddress);
+  
+  /*
+   ** reduce available memory to reflect allocation
+   */
+  gc->tmu_state[tmu].freemem_base += memrequired;
+
+  /*
+   ** Create the tLOD register value for this mip map
+   */
+  int_lod_bias = _grTexFloatLODToFixedLOD( lod_bias );
+  tLod = mipmap_mode==GR_MIPMAP_DISABLE ? large_lod : small_lod;
+  tLod = SST_TLOD_MINMAX_INT(large_lod,tLod);
+  tLod |= _gr_evenOdd_xlate_table[odd_even_mask];
+  tLod |= _gr_aspect_xlate_table[aspect_ratio];
+  tLod |= int_lod_bias << SST_LODBIAS_SHIFT;
+  filterMode = (
+                (minfilter_mode == GR_TEXTUREFILTER_BILINEAR ? SST_TMINFILTER : 0) |
+                (magfilter_mode == GR_TEXTUREFILTER_BILINEAR ? SST_TMAGFILTER : 0)
+                );
+  
+  clampMode = (
+               (s_clamp_mode == GR_TEXTURECLAMP_CLAMP ? SST_TCLAMPS : 0) |
+               (t_clamp_mode == GR_TEXTURECLAMP_CLAMP ? SST_TCLAMPT : 0)
+               );  
+  
+  /*
+   ** Create the tTextureMode register value for this mip map
+   */
+  texturemode  = ( format << SST_TFORMAT_SHIFT );
+  texturemode |= SST_TCLAMPW;
+  texturemode |= SST_TPERSP_ST;
+  texturemode |= filterMode;
+  texturemode |= clampMode;
+  
+  if ( mipmap_mode == GR_MIPMAP_NEAREST_DITHER )
+    texturemode |= SST_TLODDITHER;
+  
+  if ( trilinear ) {
+      texturemode |= SST_TRILINEAR;
+
+      if ( odd_even_mask & GR_MIPMAPLEVELMASK_ODD )
+        tLod |= SST_LOD_ODD;
+
+      if ( odd_even_mask != GR_MIPMAPLEVELMASK_BOTH )
+        tLod |= SST_LOD_TSPLIT;
+  }
+  
+  /*
+   ** Fill in the mm_table data for this mip map
+   */
+  gc->mm_table.data[mmid].format         = format;
+  gc->mm_table.data[mmid].mipmap_mode    = mipmap_mode;
+  gc->mm_table.data[mmid].magfilter_mode = magfilter_mode;
+  gc->mm_table.data[mmid].minfilter_mode = minfilter_mode;
+  gc->mm_table.data[mmid].s_clamp_mode   = s_clamp_mode;
+  gc->mm_table.data[mmid].t_clamp_mode   = t_clamp_mode;
+  gc->mm_table.data[mmid].tLOD           = tLod;
+  gc->mm_table.data[mmid].tTextureMode   = texturemode;
+  gc->mm_table.data[mmid].lod_bias       = int_lod_bias;
+  gc->mm_table.data[mmid].lod_min        = small_lod;
+  gc->mm_table.data[mmid].lod_max        = large_lod;
+  gc->mm_table.data[mmid].tmu            = tmu;
+  gc->mm_table.data[mmid].odd_even_mask  = odd_even_mask;
+  gc->mm_table.data[mmid].tmu_base_address = baseAddress;
+  gc->mm_table.data[mmid].trilinear      = trilinear;
+  gc->mm_table.data[mmid].aspect_ratio   = aspect_ratio;
+  gc->mm_table.data[mmid].data           = 0;
+  /*   gc->mm_table.data[mmid].ncc_table      = 0; */
+  gc->mm_table.data[mmid].sst            = _GlideRoot.current_sst;
+  gc->mm_table.data[mmid].valid          = FXTRUE;
+  gc->mm_table.data[mmid].width          = width;
+  gc->mm_table.data[mmid].height         = height;
+  
+  GR_RETURN(mmid);
+} /* guTexAllocateMemory */
+
+static void
+_guTexRebuildRegisterShadows( GrMipMapId_t mmid )
+{
+  GR_DCL_GC;
+  GrMipMapInfo *mminfo = &gc->mm_table.data[mmid];
+  int texturemode      = 0;
+  int tLod             = 0;
+  FxU32 
+    filterMode,                 /* filter mode bits of texturemode */
+    clampMode;                  /* clamp mode bits of texturemode */
+
+  /* build filterMode */
+  filterMode = (
+                (mminfo->minfilter_mode == GR_TEXTUREFILTER_BILINEAR ? SST_TMINFILTER : 0) |
+                (mminfo->magfilter_mode == GR_TEXTUREFILTER_BILINEAR ? SST_TMAGFILTER : 0)
+                );
+  clampMode = (
+               (mminfo->s_clamp_mode == GR_TEXTURECLAMP_CLAMP ? SST_TCLAMPS : 0) |
+               (mminfo->t_clamp_mode == GR_TEXTURECLAMP_CLAMP ? SST_TCLAMPT : 0)
+               );
+   
+  /*
+   ** build up tTextureMode
+   */
+  texturemode |= ( mminfo->format << SST_TFORMAT_SHIFT );
+  texturemode |= SST_TCLAMPW;
+  texturemode |= SST_TPERSP_ST;
+  texturemode |= filterMode;
+  texturemode |= clampMode;
+
+  if ( mminfo->mipmap_mode == GR_MIPMAP_NEAREST_DITHER )
+    texturemode |= SST_TLODDITHER;
+
+  if ( mminfo->trilinear )
+    texturemode |= SST_TRILINEAR;
+
+  /*
+   ** build up tLOD
+   */
+  tLod = mminfo->mipmap_mode == GR_MIPMAP_DISABLE ? mminfo->lod_max : mminfo->lod_min;
+  tLod = SST_TLOD_MINMAX_INT(mminfo->lod_max,tLod);
+  tLod |= _gr_evenOdd_xlate_table[mminfo->odd_even_mask];
+  tLod |= _gr_aspect_xlate_table[mminfo->aspect_ratio];
+  tLod |= mminfo->lod_bias << SST_LODBIAS_SHIFT;
+
+  /*
+   ** assign them
+   */
+  mminfo->tTextureMode = texturemode;
+  mminfo->tLOD         = tLod;
+} /* guTexRebuildRegisterShadows */
+
+
+/*---------------------------------------------------------------------------
+**  guTexChangeAttributes 
+*/
+GR_DIENTRY(guTexChangeAttributes, FxBool, ( GrMipMapId_t mmid,
+                      int width, int height,
+                      GrTextureFormat_t fmt,
+                      GrMipMapMode_t mm_mode,
+                      GrLOD_t smallest_lod, GrLOD_t largest_lod,
+                      GrAspectRatio_t aspect,
+                      GrTextureClampMode_t s_clamp_mode,
+                      GrTextureClampMode_t t_clamp_mode,
+                      GrTextureFilterMode_t minFilterMode,
+                      GrTextureFilterMode_t magFilterMode
+                      ))
+{
+  GrMipMapInfo *mminfo;
+
+  GR_BEGIN_NOFIFOCHECK("guTexChangeAttributes",88);
+  GDBG_INFO_MORE(gc->myLevel,"(%d, %d,%d, %d,%d, %d,%d,%d, %d,%d, %d,%d)\n",
+                mmid,width,height,fmt,mm_mode,
+                smallest_lod,largest_lod,aspect,
+                s_clamp_mode,t_clamp_mode, minFilterMode,magFilterMode);
+  /*
+  ** Make sure that mmid is not NULL
+  */
+  if ( mmid == GR_NULL_MIPMAP_HANDLE ) {
+    GR_RETURN(FXFALSE);
+  }
+
+  mminfo = &gc->mm_table.data[mmid];
+
+  /*
+  ** Fill in the mm_table data for this mip map
+  */
+  if ( fmt != -1 )
+     mminfo->format         = fmt;
+
+  if ( mm_mode != -1 )
+     mminfo->mipmap_mode    = mm_mode;
+
+  if ( smallest_lod != -1 )
+     mminfo->lod_min        = smallest_lod;
+  if ( largest_lod != -1 )
+     mminfo->lod_max        = largest_lod;
+  if ( minFilterMode != -1 )
+     mminfo->minfilter_mode = minFilterMode;
+  if ( magFilterMode != -1 )
+     mminfo->magfilter_mode = magFilterMode;
+  if ( s_clamp_mode != -1 )
+     mminfo->s_clamp_mode   = s_clamp_mode;
+  if ( t_clamp_mode != -1 )
+     mminfo->t_clamp_mode   = t_clamp_mode;
+  if ( aspect != -1 )
+     mminfo->aspect_ratio   = aspect;
+  if ( width != -1 )
+     mminfo->width          = width;
+  if ( height != -1 )
+     mminfo->height         = height;
+
+  _guTexRebuildRegisterShadows( mmid );
+  GR_RETURN(FXTRUE);
+} /* guTexChangeAttributes */
+
+/*---------------------------------------------------------------------------
+** grTexCombineFunction - obsolete
+**                              
+*/
+GR_DIENTRY(grTexCombineFunction, void,
+           (GrChipID_t tmu, GrTextureCombineFnc_t tc)) 
+{
+  guTexCombineFunction( tmu, tc );
+}
+
+/*---------------------------------------------------------------------------
+** guTexCombineFunction
+**                              
+** Sets the texture combine function.  For a dual TMU system this function
+** will configure the TEXTUREMODE registers as appropriate.  For a
+** single TMU system this function will configure TEXTUREMODE if
+** possible, or defer operations until grDrawTriangle() is called.
+*/
+GR_DIENTRY(guTexCombineFunction, void,
+           (GrChipID_t tmu, GrTextureCombineFnc_t tc))
+{
+  GDBG_INFO(99,"guTexCombineFunction(%d,%d)\n",tmu,tc);
+  switch ( tc )  {
+  case GR_TEXTURECOMBINE_ZERO:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_ZERO, GR_COMBINE_FACTOR_NONE,
+                  GR_COMBINE_FUNCTION_ZERO, GR_COMBINE_FACTOR_NONE, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_DECAL:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE,
+                  GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_ONE:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_ZERO, GR_COMBINE_FACTOR_NONE,
+                  GR_COMBINE_FUNCTION_ZERO, GR_COMBINE_FACTOR_NONE, FXTRUE, FXTRUE );
+    break;
+
+  case GR_TEXTURECOMBINE_ADD:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL, GR_COMBINE_FACTOR_ONE,
+                  GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL, GR_COMBINE_FACTOR_ONE, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_MULTIPLY:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_LOCAL,
+                  GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_LOCAL, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_DETAIL:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_ONE_MINUS_DETAIL_FACTOR,
+                  GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_ONE_MINUS_DETAIL_FACTOR, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_DETAIL_OTHER:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_DETAIL_FACTOR,
+                  GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_DETAIL_FACTOR, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_TRILINEAR_ODD:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_ONE_MINUS_LOD_FRACTION,
+                  GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_ONE_MINUS_LOD_FRACTION, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_TRILINEAR_EVEN:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_LOD_FRACTION,
+                  GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_LOD_FRACTION, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_SUBTRACT:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL, GR_COMBINE_FACTOR_ONE,
+                  GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL, GR_COMBINE_FACTOR_ONE, FXFALSE, FXFALSE );
+    break;
+
+  case GR_TEXTURECOMBINE_OTHER:
+    grTexCombine( tmu, GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_ONE,
+                  GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_ONE, FXFALSE, FXFALSE );
+    break;
+
+  default:
+    GrErrorCallback( "guTexCombineFunction:  Unsupported function", FXTRUE );
+    break;
+  }
+} /* guTexCombineFunction */
+
+/*---------------------------------------------------------------------------
+** guTexDownloadMipMap
+**
+** Downloads a mip map (previously allocated with guTexAllocateMemory) to
+** the hardware using the given data and ncctble.  The "data" is assumed
+** to be in row major order from largest mip map to smallest mip map.
+*/
+GR_DIENTRY(guTexDownloadMipMap, void, 
+           (GrMipMapId_t mmid, const void *src, const GuNccTable
+            *ncc_table ) )
+{
+  GR_DCL_GC;
+  GrLOD_t     lod;
+  const void *ptr = src;
+
+  GDBG_INFO(99,"guTexDownloadMipMap(%d,0x%x,0x%x)\n",mmid,src,ncc_table);
+  GR_ASSERT(gc != NULL);
+  GR_ASSERT(src != NULL);
+  GR_CHECK_F("guTexDownloadMipMap",
+              ( mmid == GR_NULL_MIPMAP_HANDLE ) || ( mmid >= gc->mm_table.free_mmid ),
+              "invalid mip map handle passed");
+
+#if 0 /* Fixme!!! XXX ??? */
+  GR_CHECK_F("guTexDownloadMipMap",
+              gc->mm_table.data[mmid].format == GR_TEXFMT_P_8,
+              "guTex* does not support palletted textures - use grTex* instead");
+#endif /* 0 */
+
+  /*
+  ** Bind data and ncc table to this mip map
+  */
+  gc->mm_table.data[mmid].data      = (void *) ptr;
+  if (gc->mm_table.data[mmid].format == GR_TEXFMT_YIQ_422)
+    gc->mm_table.data[mmid].ncc_table = *ncc_table;
+
+  /*
+  ** Start downloading mip map levels, note that ptr is updated by the caller
+  */
+  for ( lod = gc->mm_table.data[mmid].lod_max; lod <= gc->mm_table.data[mmid].lod_min; lod++ ) {
+     guTexDownloadMipMapLevel( mmid, lod, &ptr );
+  }
+} /* guTexDownloadMipMap */
+
+/*---------------------------------------------------------------------------
+** guTexDownloadMipMapLevel
+**
+** Downloads a single mip map level to a mip map.  "src" is considered to be
+** row major data of the correct aspect ratio and format.
+*/
+GR_DIENTRY(guTexDownloadMipMapLevel, void,
+           (GrMipMapId_t mmid, GrLOD_t lod,
+            const void **src_base))
+{
+  FxU32 i;
+  const  GrMipMapInfo *mminfo;
+  GR_DCL_GC;
+ 
+  GDBG_INFO(99,"guTexDownloadMipMapLevel(%d,%d,0x%x)\n",mmid,lod,src_base);
+  GR_ASSERT(src_base != NULL);
+  mminfo = &gc->mm_table.data[mmid];
+  GR_CHECK_F( "guTexDownloadMipMapLevel",
+              ( lod > mminfo->lod_min ) || ( lod < mminfo->lod_max ),
+              "specified lod is out of range");
+
+  /* GMT: replace with array access */
+  /* download this level */
+  i = _grTexCalcBaseAddress( 0,
+                            mminfo->lod_max,
+                            mminfo->aspect_ratio,
+                            mminfo->format,
+                            mminfo->odd_even_mask);
+  grTexDownloadMipMapLevel( mminfo->tmu,
+                            mminfo->tmu_base_address - i,
+                            lod,
+                            mminfo->lod_max,
+                            mminfo->aspect_ratio,
+                            mminfo->format,
+                            mminfo->odd_even_mask,
+                            (void *)*src_base );
+
+  /* update src_base to point to next mipmap level */
+  *src_base = (void *) (((FxU32)*src_base) +
+               (_grMipMapHostSize[_gr_aspect_index_table[mminfo->aspect_ratio]][lod]
+                    << (mminfo->format>=GR_TEXFMT_16BIT)));
+
+} /* guTexDownloadMipmapLevel */
+
+/*---------------------------------------------------------------------------
+** guTexGetCurrentMipMap
+*/
+GR_DIENTRY(guTexGetCurrentMipMap, GrMipMapId_t, ( GrChipID_t tmu ))
+{
+#define FN_NAME "guTexGetCurrentMipMap"
+  GR_BEGIN_NOFIFOCHECK("guTexGetCurrentMipMap",99);
+  GDBG_INFO_MORE(gc->myLevel,"(%d)\n",tmu);
+  GR_CHECK_TMU(FN_NAME, tmu );
+
+  GR_RETURN(gc->state.current_mm[tmu]);
+#undef FN_NAME
+} /* guTexGetCurrentMipMap */
+
+/*---------------------------------------------------------------------------
+** guTexGetMipMapInfo
+*/
+GR_DIENTRY(guTexGetMipMapInfo, GrMipMapInfo *, ( GrMipMapId_t mmid ))
+{
+  GR_BEGIN_NOFIFOCHECK("guTexGetMipMapInfo",99);
+  GDBG_INFO_MORE(gc->myLevel,"(%d) => 0x%x\n",mmid,&gc->mm_table.data[mmid]);
+  return &( gc->mm_table.data[mmid] );
+} /* guTexGetMipMapInfo */
+
+/*---------------------------------------------------------------------------
+** guTexMemQueryAvail
+**
+** returns the amount of available texture memory on a specified TMU.
+*/
+GR_DIENTRY(guTexMemQueryAvail, FxU32, ( GrChipID_t tmu ))
+{
+#define FN_NAME "guTexMemQueryAvail"
+  GR_BEGIN_NOFIFOCHECK("guTexMemQueryAvail",99);
+  GDBG_INFO_MORE(gc->myLevel,"(%d)\n",tmu);
+  GR_CHECK_TMU(FN_NAME, tmu );
+  GR_RETURN(gc->tmu_state[tmu].total_mem - gc->tmu_state[tmu].freemem_base);
+#undef FN_NAME
+} /* guTexQueryMemAvail */
+
+/*---------------------------------------------------------------------------
+** guTexMemReset
+**
+** Clears out texture buffer memory.
+*/
+GR_DIENTRY(guTexMemReset, void, ( void ))
+{
+  int i;
+  
+  GR_BEGIN_NOFIFOCHECK("guTexMemReset",99);
+  GDBG_INFO_MORE(gc->myLevel,"()\n");
+
+  memset( gc->mm_table.data, 0, sizeof( gc->mm_table.data ) );
+  gc->mm_table.free_mmid = 0;
+  
+  for ( i = 0; i < gc->num_tmu; i++ ) {
+    gc->state.current_mm[i] = (GrMipMapId_t) GR_NULL_MIPMAP_HANDLE;
+    gc->tmu_state[i].freemem_base = 0;
+    gc->tmu_state[i].ncc_mmids[0] = 
+      gc->tmu_state[i].ncc_mmids[1] = GR_NULL_MIPMAP_HANDLE;    
+    gc->tmu_state[i].ncc_table[0] = 
+      gc->tmu_state[i].ncc_table[1] = 0;
+  }
+  GR_END();
+} /* guTexMemReset */
+

glide2x/cvg/glide/src/disst.c

@@ -0,0 +1,216 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.1.1.1  1999/12/07 21:49:08  joseph
+** Initial checkin into SourceForge.
+**
+** 
+** 22    4/21/98 10:05a Peter
+** grSstSelect cleanup (Thanks John/Rufus)
+** 
+** 21    3/17/98 6:50p Peter
+** sli paired vs active
+** 
+** 20    2/24/98 10:15a Peter
+** oem dll muckage
+** 
+** 19    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+ * 
+ * 18    12/17/97 4:05p Atai
+ * added grChromaRange(), grGammaCorrecionRGB(), grRest(), and grGet()
+ * functions
+ * 
+ * 17    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 16    11/19/97 2:49p Peter
+ * env vars in registry for win32
+ * 
+ * 15    11/18/97 4:36p Peter
+ * chipfield stuff cleanup and w/ direct writes
+ * 
+ * 14    10/31/97 9:15a Peter
+ * only lie about v2 boards
+ * 
+ * 13    10/31/97 8:53a Peter
+ * last lying change, really
+ * 
+ * 12    9/05/97 5:29p Peter
+ * changes for direct hw
+ * 
+ * 11    6/20/97 9:56a Peter
+ * better lines/pts, hopefully
+ * 
+ * 10    6/02/97 4:09p Peter
+ * Compile w/ gcc for Dural
+ * 
+ * 9     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 8     5/21/97 6:04a Peter
+ * 
+ * 7     5/02/97 2:07p Pgj
+ * grSstScreenWidth/Height now FxU32
+ * 
+ * 6     3/17/97 6:25a Jdt
+ * Added initDeviceSelect to grSstSelect()
+ * 
+ * 5     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+ * 
+ * 4     3/04/97 9:08p Dow
+ * 
+ * 3     1/18/97 11:39p Dow
+ * Changed location of _curGCFuncs
+ * 
+ * 2     1/16/97 3:39p Dow
+ * Added ref to _curGCFuncs during grSstSelect()
+ * 
+ * 1     12/23/96 1:39p Dow
+ * Changes for multiplatform
+**
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <3dfx.h>
+
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+
+/*---------------------------------------------------------------------------
+** grSstQueryBoards
+**
+** NOTE:  it is OK to call this routine before grGlideInit
+*/
+GR_DIENTRY(grSstQueryBoards, FxBool, ( GrHwConfiguration *hwc ))
+{
+  GDBG_INIT();
+  GDBG_INFO(80,"grSstQueryBoards(0x%x)\n",hwc);
+
+#if 1 /*GLIDE_INIT_HAL*/
+  hwc->num_sst = (_grSstDetectResources()
+                  ? _GlideRoot.hwConfig.num_sst
+                  : 0);
+#else /* !GLIDE_INIT_HAL */
+  hwc->num_sst = sst1InitNumBoardsInSystem();
+#endif /* !GLIDE_INIT_HAL */
+
+  return FXTRUE;
+} /* grSstQueryBoards */
+
+/*---------------------------------------------------------------------------
+** grSstQueryHardware
+**
+*/
+GR_DIENTRY(grSstQueryHardware, FxBool, ( GrHwConfiguration *hwc ))
+{
+  FxBool retVal;
+
+  GR_BEGIN_NOFIFOCHECK("grSstQueryHardware",80);
+  GDBG_INFO_MORE(gc->myLevel,"(0x%x)\n",hwc);
+
+  /* init and copy the data back to the user's structure */
+  retVal = _GlideRoot.hwConfig.num_sst > 0;
+  *hwc = _GlideRoot.hwConfig;
+
+#if (GLIDE_PLATFORM & GLIDE_HW_CVG)
+  /* Lie that we are an sst1 for backwards compatability */
+  {
+    int i;
+    const GrSstType reportType  = ((GETENV("FX_GLIDE_REPORT_REAL_HW") == NULL)
+                                   ? GR_SSTTYPE_VOODOO
+                                   : GR_SSTTYPE_Voodoo2);
+
+    for(i = 0; i < _GlideRoot.hwConfig.num_sst; i++) {
+      if (hwc->SSTs[i].type == GR_SSTTYPE_Voodoo2) hwc->SSTs[i].type = reportType;
+    }
+  }
+#endif
+
+  GR_RETURN(retVal);
+} /* grSstQueryHardware */
+
+/*---------------------------------------------------------------------------
+** grSstSelect
+*/
+GR_DIENTRY(grSstSelect, void, ( int which ))
+{
+  GR_BEGIN_NOFIFOCHECK("grSstSelect",80);
+  GDBG_INFO_MORE(gc->myLevel,"(%d)\n",which);
+
+  if ( which >= _GlideRoot.hwConfig.num_sst )
+    GrErrorCallback( "grSstSelect:  non-existent SST", FXTRUE );
+
+  _GlideRoot.current_sst = _GlideRoot.gcMap[which];
+  _GlideRoot.curGC       = &_GlideRoot.GCs[_GlideRoot.current_sst];
+
+#ifdef GLIDE_MULTIPLATFORM
+  _GlideRoot.curGCFuncs = _GlideRoot.curGC->gcFuncs;
+#endif
+
+    GR_END();
+} /* grSstSelect */
+
+/*---------------------------------------------------------------------------
+** grSstScreenWidth
+*/
+GR_DIENTRY(grSstScreenWidth, FxU32, (void))
+{
+  GR_DCL_GC;
+  GR_ASSERT(gc != NULL);
+  return gc->state.screen_width;
+} /* grSstScreenWidth */
+
+/*---------------------------------------------------------------------------
+** grSstScreenHeight
+*/
+GR_DIENTRY(grSstScreenHeight, FxU32,  (void))
+{
+  GR_DCL_GC;
+  GR_ASSERT(gc != NULL);
+  return gc->state.screen_height;
+}
+
+/*---------------------------------------------------------------------------
+**  grSstVidMode - override args to grSstOpen()
+*/
+GR_DIENTRY(grSstVidMode, void, (FxU32 whichSst, FxVideoTimingInfo* vidTimings))
+{
+  GDBG_INFO(80,"grSstVidMode(%d,0x%x)\n",whichSst,vidTimings);
+#ifdef GLIDE_DEBUG
+  if (whichSst >= MAX_NUM_SST) {
+    char errStr[1028];
+    sprintf(errStr, "grSstVidMode:  %ld greater than MAX_NUM_SST (%d)\n",
+            whichSst, MAX_NUM_SST);
+
+    GrErrorCallback(errStr, FXTRUE);
+  }
+#endif
+
+  _GlideRoot.GCs[whichSst].vidTimings = vidTimings;    
+} /* grSstVidMode */

glide2x/cvg/glide/src/distate.c

@@ -0,0 +1,943 @@
+/*
+ ** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ ** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ ** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ ** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ ** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ ** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ ** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ ** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ ** 
+ ** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ ** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ ** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ ** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ ** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ ** THE UNITED STATES.  
+ ** 
+ ** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ **
+ ** $Header$
+ ** $Log$
+ * 
+ * 17    1/13/98 12:42p Atai
+ * fixed grtexinfo, grVertexLayout, and draw triangle
+ * 
+ * 16    1/10/98 4:01p Atai
+ * inititialize vertex layout, viewport, added defines
+ * 
+ * 15    1/05/98 6:06p Atai
+ * glide extension stuff
+ * 
+ * 14    12/17/97 4:05p Atai
+ * added grChromaRange(), grGammaCorrecionRGB(), grRest(), and grGet()
+ * functions
+ * 
+ * 13    12/16/97 11:38a Atai
+ * added grChromaRange()
+ * 
+ * 12    12/15/97 5:52p Atai
+ * disable obsolete glide2 api for glide3
+ * 
+ * 10    12/12/97 1:30p Atai
+ * remove fp z  buffer
+ * 
+ * 8     12/08/97 10:44a Atai
+ * added entry point for grCoordinateSpace(), grDepthRange(), and
+ * grViewport()
+ * 
+ * 7     11/13/97 4:38p Atai
+ * invalidate lfbMode and c0c1
+ * 
+ * 6     11/10/97 5:20p Atai
+ * added factor for grAlphaCombine and remove extra  _grChromakeyMode
+ * 
+ * 5     11/07/97 11:22a Atai
+ * remove GR_*_SMOOTH. use GR_SMOOTH
+ * 
+ * 4     10/15/97 7:33a Dow
+ * Made _grValidateState use central routine for writing data
+ * 
+ * 3     10/14/97 4:18p Atai
+ * added grEnable and grDisable
+ * 
+ * 2     10/10/97 2:57p Dow
+ * Minor adjustments
+ * 
+ * 1     10/09/97 5:19p Dow
+ * State Monster file
+ */
+
+#ifdef GLIDE3
+
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+/*=============================================================================
+**  Replacement state routines.
+**
+**  These routines store away their arguments, and mark a piece of glide state
+**  as invalid.  The next time a rendering primitive is called, the state will
+**  be invalid, and grValidateState will be called.  See that routine for more
+**  info.
+**===========================================================================*/
+
+/*
+   Some macros for use in this file only
+ */
+
+#define STOREARG(function, arg) \
+gc->state.stateArgs.##function##Args.arg = arg
+
+#define LOADARG(function, arg) \
+gc->state.stateArgs.##function##Args.arg
+
+#define INVALIDATE(regset) \
+gc->state.invalid |= ##regset##BIT
+
+#define NOTVALID(regset) \
+(gc->state.invalid & ##regset##BIT)
+
+#define SETVALID(regset) \
+(gc->state.invalid &= ~(##regset##BIT))
+
+#define ENABLEMODE(mode) \
+gc->state.grEnableArgs.##mode## = GR_MODE_ENABLE;
+
+#define DISABLEMODE(mode) \
+gc->state.grEnableArgs.##mode## = GR_MODE_DISABLE;
+
+/*-------------------------------------------------------------------
+  Function: grAlphaBlendFunction
+  Date: 06-Oct-97
+  Implementor(s): dow
+  Description:
+  Inform Glide that the Alpha Blend Function has been modified.
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grAlphaBlendFunction, void , (GrAlphaBlendFnc_t rgb_sf, GrAlphaBlendFnc_t rgb_df, GrAlphaBlendFnc_t alpha_sf, GrAlphaBlendFnc_t alpha_df) )
+{
+ #define FN_NAME "grAlphaBlendFunction"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 87);
+
+  /* Invalidate AlphaMode */
+  INVALIDATE(alphaMode);
+
+  STOREARG(grAlphaBlendFunction, rgb_sf);
+  STOREARG(grAlphaBlendFunction, rgb_df);
+  STOREARG(grAlphaBlendFunction, alpha_sf);
+  STOREARG(grAlphaBlendFunction, alpha_df);
+
+ #undef FN_NAME
+} /* grAlphaBlendFunction */
+
+/*-------------------------------------------------------------------
+  Function: grAlphaTestFunction
+  Date: 06-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grAlphaTestFunction, void , (GrCmpFnc_t fnc) )
+{
+ #define FN_NAME "grAlphaTestFunction"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 87);
+
+  /* Invalidate AlphaMode */
+  INVALIDATE(alphaMode);
+
+  STOREARG(grAlphaTestFunction, fnc);
+
+ #undef FN_NAME
+} /* grAlphaTestFunction */
+
+/*-------------------------------------------------------------------
+  Function: grAlphaTestReferenceValue
+  Date: 06-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grAlphaTestReferenceValue, void , (GrAlpha_t value) )
+{
+ #define FN_NAME "grAlphaTestReferenceValue"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 87);
+
+  INVALIDATE(alphaMode);
+
+  STOREARG(grAlphaTestReferenceValue,value);
+
+ #undef FN_NAME
+} /* grAlphaTestReferenceValue */
+
+/*-------------------------------------------------------------------
+  Function: grAlphaCombine
+  Date: 06-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grAlphaCombine, void ,
+         (GrCombineFunction_t function, GrCombineFactor_t factor, 
+          GrCombineLocal_t local, GrCombineOther_t other, FxBool invert) )
+{
+ #define FN_NAME "grAlphaCombine"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  INVALIDATE(fbzColorPath);
+
+  STOREARG(grAlphaCombine, function);
+  STOREARG(grAlphaCombine, factor);
+  STOREARG(grAlphaCombine, local);
+  STOREARG(grAlphaCombine, other);
+  STOREARG(grAlphaCombine, invert);
+
+ #undef FN_NAME
+} /* grAlphaCombine */
+
+/*-------------------------------------------------------------------
+  Function: grAlphaControlsITRGBLighting
+  Date: 07-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grAlphaControlsITRGBLighting, void , (FxBool enable) )
+{
+#define FN_NAME "grAlphaControlsITRGBLighting"
+  GR_BEGIN_NOFIFOCHECK("grAlphaControlsITRGBLighting",85);
+
+  INVALIDATE(fbzColorPath);
+
+  STOREARG(grAlphaControlsITRGBLighting, enable);
+
+#undef FN_NAME
+} /* grAlphaControlsITRGBLighting */
+
+/*-------------------------------------------------------------------
+  Function: grColorCombine
+  Date: 07-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grColorCombine, void , (GrCombineFunction_t function,
+                                   GrCombineFactor_t factor,
+                                   GrCombineLocal_t local,
+                                   GrCombineOther_t other, FxBool invert) )
+{
+#define FN_NAME "grColorCombine"
+  GR_BEGIN_NOFIFOCHECK("grColorCombine",85);
+
+  INVALIDATE(fbzColorPath);
+
+  STOREARG(grColorCombine, function);
+  STOREARG(grColorCombine, factor);
+  STOREARG(grColorCombine, local);
+  STOREARG(grColorCombine, other);
+  STOREARG(grColorCombine, invert);
+
+#undef FN_NAME
+} /* grColorCombine */
+
+
+/*-------------------------------------------------------------------
+  Function: grChromakeyMode
+  Date: 07-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grChromakeyMode, void , (GrChromakeyMode_t mode) )
+{
+#define FN_NAME "grChromakeyMode"
+  GR_BEGIN_NOFIFOCHECK("grChromakeyMode",85);
+
+  INVALIDATE(fbzMode);
+
+  STOREARG(grChromakeyMode, mode);
+
+#undef FN_NAME
+} /* grChromakeyMode */
+
+#if defined(GLIDE3) && defined(GLIDE3_ALPHA)
+/*-------------------------------------------------------------------
+  Function: grChromaModeExt
+  Date: 05-Jan-98
+  Implementor(s): atai
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+void _grChromaModeExt(GrChromakeyMode_t mode)
+{
+#define FN_NAME "_grChromaModeExt"
+  GR_BEGIN_NOFIFOCHECK("_grChromaModeExt",85);
+
+  INVALIDATE(fbzMode);
+
+  STOREARG(grChromakeyMode, mode);
+
+#undef FN_NAME
+} /* _grChromaModeExt */
+
+/*-------------------------------------------------------------------
+  Function: _grChromaRangeExt
+  Date: 15-Dec-97
+  Implementor(s): atai
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+void _grChromaRangeExt(GrColor_t color, GrColor_t range, GrChromaRangeMode_t mode)
+{
+#define FN_NAME "_grChromaRangeExt"
+  GR_BEGIN_NOFIFOCHECK("_grChromaRangeExt",85);
+
+  GR_CHECK_F(myName,
+             (_GlideRoot.hwConfig.SSTs[_GlideRoot.current_sst].type != GR_SSTTYPE_Voodoo2),
+             "grChromaRange not supported.");
+
+  INVALIDATE(chromaKey);
+
+  STOREARG(grChromakeyValue, color);
+  STOREARG(grChromaRange, range);
+  STOREARG(grChromaRange, mode);
+
+#undef FN_NAME
+} /* _grChromaRangeExt */
+#endif
+
+/*-------------------------------------------------------------------
+  Function: grChromakeyValue
+  Date: 09-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_ENTRY(grChromakeyValue, void , (GrColor_t color) )
+{
+#define FN_NAME "grChromakeyValue"
+  GR_BEGIN_NOFIFOCHECK("grChromakeyMode",85);
+
+  INVALIDATE(chromaKey);
+
+  STOREARG(grChromakeyValue, color);
+
+#undef FN_NAME
+} /* grChromakeyValue */
+
+/*-------------------------------------------------------------------
+  Function: grDeptMask
+  Date: 07-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDepthMask, void , (FxBool enable) )
+{
+ #define FN_NAME "grDepthMask"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  INVALIDATE(fbzMode);
+
+  STOREARG(grDepthMask, enable);
+
+ #undef FN_NAME
+} /* grDeptMask */
+
+
+/*-------------------------------------------------------------------
+  Function: grDepthBufferFunction
+  Date: 07-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDepthBufferFunction, void , (GrCmpFnc_t fnc) )
+{
+ #define FN_NAME "grDepthBufferFunction"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  INVALIDATE(fbzMode);
+
+  STOREARG(grDepthBufferFunction, fnc);
+
+ #undef FN_NAME
+} /* grDepthBufferFunction */
+
+
+/*-------------------------------------------------------------------
+  Function: grDepthBufferMode
+  Date: 07-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDepthBufferMode, void , (GrDepthBufferMode_t mode) )
+{
+ #define FN_NAME "grDepthBufferMode"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  INVALIDATE(fbzMode);
+
+  STOREARG(grDepthBufferMode, mode);
+
+ #undef FN_NAME
+} /* grDepthBufferMode */
+
+
+/*-------------------------------------------------------------------
+  Function: grDitherMode
+  Date: 07-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDitherMode, void , (GrDitherMode_t mode) )
+{
+ #define FN_NAME "grDitherMode"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  INVALIDATE(fbzMode);
+
+  STOREARG(grDitherMode, mode);
+
+ #undef FN_NAME
+} /* grDitherMode */
+
+/*-------------------------------------------------------------------
+  Function: grRenderBuffer
+  Date: 07-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grRenderBuffer, void , (GrBuffer_t buffer) )
+{
+ #define FN_NAME "grRenderBuffer"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  INVALIDATE(fbzMode);
+
+  STOREARG(grRenderBuffer, buffer);
+
+ #undef FN_NAME
+} /* grRenderBuffer */
+
+/*-------------------------------------------------------------------
+  Function: grColorMask
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_ENTRY(grColorMask, void , (FxBool rgb, FxBool alpha) )
+{
+#define FN_NAME "grColorMask"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  INVALIDATE(fbzMode);
+
+  STOREARG(grColorMask, rgb);
+  STOREARG(grColorMask, alpha);
+
+
+#undef FN_NAME
+} /* grColorMask */
+
+/*-------------------------------------------------------------------
+  Function: grSstOrigin
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grSstOrigin, void , (GrOriginLocation_t origin) )
+{
+ #define FN_NAME "grSstOrigin"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 83);
+
+  INVALIDATE(chromaKey);
+
+  STOREARG(grSstOrigin, origin);
+
+#undef FN_NAME
+} /* grSstOrigin */
+
+/*-------------------------------------------------------------------
+  Function: grClipWindow
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grClipWindow, void , (FxU32 minx, FxU32 miny, FxU32 maxx,
+                               FxU32 maxy) ) 
+{
+#define FN_NAME "grClipWindow"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 83);
+
+  INVALIDATE(clipRegs);
+
+  STOREARG(grClipWindow, minx);
+  STOREARG(grClipWindow, miny);
+  STOREARG(grClipWindow, maxx);
+  STOREARG(grClipWindow, maxy);
+
+#undef FN_NAME
+} /* grClipWindow */
+
+/*-------------------------------------------------------------------
+  Function: grDepthBiasLevel
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDepthBiasLevel, void , (FxI16 level) )
+{
+#define FN_NAME "grDepthBiasLevel"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 83);
+
+  INVALIDATE(zaColor);
+
+  STOREARG(grDepthBiasLevel, level);
+
+#undef FN_NAME
+} /* grDepthBiasLevel */
+
+
+/*-------------------------------------------------------------------
+  Function: grFogMode
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grFogMode, void , (GrFogMode_t mode) )
+{
+#define FN_NAME "grFogMode"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 83);
+
+  INVALIDATE(fogMode);
+
+  STOREARG(grFogMode, mode);
+
+#undef FN_NAME
+} /* grFogMode */
+
+
+/*-------------------------------------------------------------------
+  Function: grFogColorValue
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grFogColorValue, void , (GrColor_t color) )
+{
+#define FN_NAME "grFogColorValue"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 83);
+
+  INVALIDATE(fogColor);
+
+  STOREARG(grFogColorValue, color);
+
+#undef FN_NAME
+} /* grFogColorValue */
+
+/*-------------------------------------------------------------------
+  Function: grLfbWriteColorFormat
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grLfbWriteColorFormat, void , (GrColorFormat_t colorFormat) )
+{
+#define FN_NAME "grLfbWriteColorFormat"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 82);
+
+  INVALIDATE(lfbMode);
+
+  STOREARG(grLfbWriteColorFormat, colorFormat);
+
+#undef FN_NAME
+} /* grLfbWriteColorFormat */
+
+/*-------------------------------------------------------------------
+  Function: grLfbWriteColorSwizzle
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grLfbWriteColorSwizzle, void , (FxBool swizzleBytes, FxBool
+                                         swapWords) ) 
+{
+#define FN_NAME "grLfbWriteColorSwizzle"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 82);
+
+  INVALIDATE(lfbMode);
+
+  STOREARG(grLfbWriteColorSwizzle, swizzleBytes);
+  STOREARG(grLfbWriteColorSwizzle, swapWords);
+
+#undef FN_NAME
+} /* grLfbWriteColorSwizzle */
+
+
+/*-------------------------------------------------------------------
+  Function: grConstantColorValue
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grConstantColorValue, void , (GrColor_t color) )
+{
+#define FN_NAME "grConstantColorValue"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  INVALIDATE(c0c1);
+
+  STOREARG(grConstantColorValue, color);
+
+#undef FN_NAME
+} /* grConstantColorValue */
+
+
+/*==========================================================================*/
+
+
+/*-------------------------------------------------------------------
+  Function: grValidateState
+  Date: 08-Oct-97
+  Implementor(s): dow
+  Description:
+  State Validation:
+  Once a rendering primitive has determined that the state is invalid,
+  it calls this routine.  grValidateState then goes through valid
+  markers and flushes all invalid state.
+  -------------------------------------------------------------------*/
+void
+_grValidateState()
+{
+#define FN_NAME "_grValidateState"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  if (NOTVALID(alphaMode)) {
+    _grAlphaBlendFunction(LOADARG(grAlphaBlendFunction, rgb_sf),
+                          LOADARG(grAlphaBlendFunction, rgb_df),
+                          LOADARG(grAlphaBlendFunction, alpha_sf),
+                          LOADARG(grAlphaBlendFunction, alpha_df));
+    _grAlphaTestFunction(LOADARG(grAlphaTestFunction, fnc));
+    _grAlphaTestReferenceValue(LOADARG(grAlphaTestReferenceValue, value));
+
+  }
+
+  if (NOTVALID(fbzColorPath)) {
+    _grAlphaCombine(LOADARG(grAlphaCombine, function),
+                    LOADARG(grAlphaCombine, factor),
+                    LOADARG(grAlphaCombine, local),
+                    LOADARG(grAlphaCombine, other),
+                    LOADARG(grAlphaCombine, invert));
+    _grAlphaControlsITRGBLighting(LOADARG(grAlphaControlsITRGBLighting,
+                                          enable)); 
+    _grColorCombine(LOADARG(grColorCombine, function), 
+                    LOADARG(grColorCombine, factor),
+                    LOADARG(grColorCombine, local),
+                    LOADARG(grColorCombine, other),
+                    LOADARG(grColorCombine, invert));
+
+  }
+
+  if (NOTVALID(fbzMode)) {
+    _grChromakeyMode(LOADARG(grChromakeyMode, mode));
+    _grDepthMask(LOADARG(grDepthMask, enable));
+    _grDepthBufferFunction(LOADARG(grDepthBufferFunction, fnc));
+    _grDepthBufferMode(LOADARG(grDepthBufferMode, mode));
+    _grDitherMode(LOADARG(grDitherMode, mode));
+    _grRenderBuffer(LOADARG(grRenderBuffer, buffer));
+    _grColorMask(LOADARG(grColorMask, rgb), LOADARG(grColorMask, alpha));
+    _grSstOrigin(LOADARG(grSstOrigin, origin));
+
+  }
+
+  if (NOTVALID(chromaKey)) {
+#if defined(GLIDE3) && defined(GLIDE3_ALPHA)
+    _grChromaRangeExt(LOADARG(grChromakeyValue, color),LOADARG(grChromaRange, range)
+                      , LOADARG(grChromaRange, mode));
+
+#else
+    _grChromakeyValue(LOADARG(grChromakeyValue, color));
+#endif
+  }
+
+  if (NOTVALID(clipRegs)) {
+    _grClipWindow(
+                  LOADARG(grClipWindow, minx),
+                  LOADARG(grClipWindow, miny),
+                  LOADARG(grClipWindow, maxx),
+                  LOADARG(grClipWindow, maxy));
+  }
+
+  if (NOTVALID(zaColor)) {
+    _grDepthBiasLevel((FxI16) LOADARG(grDepthBiasLevel, level));
+  }
+
+  if (NOTVALID(fogMode)) {
+    _grFogMode(LOADARG(grFogMode, mode));
+  }
+
+  if (NOTVALID(fogColor)) {
+    _grFogColorValue(LOADARG(grFogColorValue, color));
+  }
+
+  if (NOTVALID(lfbMode)) {
+    _grLfbWriteColorFormat(LOADARG(grLfbWriteColorFormat, colorFormat));
+    _grLfbWriteColorSwizzle(LOADARG(grLfbWriteColorSwizzle, swizzleBytes),
+                            LOADARG(grLfbWriteColorSwizzle, swapWords));
+
+  }
+
+  if (NOTVALID(c0c1)) {
+    _grConstantColorValue(LOADARG(grConstantColorValue, color));
+  }
+
+  _grUpdateParamIndex();
+
+  _grFlushCommonStateRegs();
+
+#undef FN_NAME
+} /* _grValidateState */
+
+#define IARRAY(p,i)    (*((FxU32 *)(p)+(i)))
+
+/*-------------------------------------------------------------------
+  Function: grEnable
+  Date: 10-Oct-97
+  Implementor(s): atai
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grEnable, void , (GrEnableMode_t mode) )
+{
+#define FN_NAME "grEnable"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  switch (mode) {
+  case GR_AA_ORDERED:
+    ENABLEMODE(primitive_smooth_mode);
+    break;
+  case GR_SHAMELESS_PLUG:
+    ENABLEMODE(shameless_plug_mode);
+    _GlideRoot.environment.shamelessPlug = mode;
+    break;
+  case GR_VIDEO_SMOOTHING:
+    ENABLEMODE(video_smooth_mode);
+    break;
+  case GR_ALLOW_MIPMAP_DITHER:
+    gc->state.allowLODdither = GR_MODE_ENABLE;
+    break;
+  }
+
+#undef FN_NAME
+} /* grEnable */
+
+/*-------------------------------------------------------------------
+  Function: grDisable
+  Date: 10-Oct-97
+  Implementor(s): atai
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDisable, void , (GrEnableMode_t mode) )
+{
+#define FN_NAME "grDisable"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  switch (mode) {
+  case GR_AA_ORDERED:
+    DISABLEMODE(primitive_smooth_mode);
+    break;
+  case GR_SHAMELESS_PLUG:
+    DISABLEMODE(shameless_plug_mode);
+    break;
+  case GR_VIDEO_SMOOTHING:
+    DISABLEMODE(video_smooth_mode);
+    break;
+  case GR_ALLOW_MIPMAP_DITHER:
+    gc->state.allowLODdither = GR_MODE_DISABLE;
+    break;
+  }
+
+#undef FN_NAME
+} /* grDisable */
+
+/*-------------------------------------------------------------------
+  Function: grCoordinateSpace
+  Date: 01-Dec-97
+  Implementor(s): atai
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grCoordinateSpace, void , (GrCoordinateSpaceMode_t mode) )
+{
+#define FN_NAME "grCoordinateSpace"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  switch (mode) {
+  case GR_WINDOW_COORDS:
+    gc->state.grCoordinateSpaceArgs.coordinate_space_mode = GR_WINDOW_COORDS;
+    break;
+  case GR_CLIP_COORDS:
+    gc->state.grCoordinateSpaceArgs.coordinate_space_mode = GR_CLIP_COORDS;
+    break;
+  }
+
+#undef FN_NAME
+} /* grCoordinateSpace */
+
+/*-------------------------------------------------------------------
+  Function: grDepthRange
+  Date: 01-Dec-97
+  Implementor(s): atai
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDepthRange, void , (FxFloat n, FxFloat f) )
+{
+#define FN_NAME "grDepthRange"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  gc->state.Viewport.n = n;
+  gc->state.Viewport.f  = f;
+  gc->state.Viewport.hdepth = (f - n) * 0.5f * 65535.f;
+  gc->state.Viewport.oz = (f + n) * 0.5f * 65535.f;
+
+#undef FN_NAME
+} /* grDepthRange */
+
+/*-------------------------------------------------------------------
+  Function: grViewport
+  Date: 01-Dec-97
+  Implementor(s): atai
+  Description:
+  
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grViewport, void , (FxI32 x, FxI32 y, FxI32 width, FxI32 height) )
+{
+#define FN_NAME "grViewport"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+    gc->state.Viewport.ox      = (FxFloat)(x + width * 0.5f);
+    gc->state.Viewport.oy      = (FxFloat)(y + height *0.5f);
+    gc->state.Viewport.hwidth  = width * 0.5f;
+    gc->state.Viewport.hheight = height * 0.5f;
+
+#undef FN_NAME
+} /* grViewport */
+
+#endif /* GLIDE3 */

glide2x/cvg/glide/src/distrip.c

@@ -0,0 +1,445 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 14    1/08/98 4:58p Atai
+ * tex table broadcast, grVertexLayout enable/disable, stq, and some
+ * defines
+ * 
+ * 13    12/12/97 10:59a Atai
+ * clip space and viewport
+ * 
+ * 12    12/08/97 10:42a Atai
+ * added grDrawVertexArrayLinear()
+ * 
+ * 11    11/21/97 6:05p Atai
+ * use one datalist (tsuDataList) in glide3
+ * 
+ * 10    11/18/97 6:11p Peter
+ * fixed glide3 muckage
+ * 
+ * 9     11/18/97 3:24p Atai
+ * change grParameterData to grVertexLayout
+ * define GR_PARAM_*
+ * 
+ * 8     11/07/97 11:22a Atai
+ * remove GR_*_SMOOTH. use GR_SMOOTH
+ * 
+ * 7     11/06/97 6:10p Atai
+ * update GrState size
+ * rename grDrawArray to grDrawVertexArray
+ * update _grDrawPoint and _grDrawVertexList
+ * 
+ * 6     10/21/97 8:36p Atai
+ * added gr_lines routines
+ * use dword offset
+ * 
+ * 5     10/17/97 2:11p Atai
+ * added grContinueArray. We only support non aa mode for now.
+ * 
+ * 4     10/14/97 4:34p Atai
+ * filled out the calls to different drawarray routines
+ * 
+ * 3     9/29/97 1:26p Dow
+ * Fixed packed color strips/fans
+ * 
+ * 2     9/26/97 10:24a Dow
+ * Fixed state muckage in Glide3 parameter data
+ * 
+ * 1     9/23/97 2:04p Dow
+ * DI code for strips
+**
+*/
+#ifdef GLIDE3
+
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+/*-------------------------------------------------------------------
+  Function: grVertexLayout
+  Date: 17-Sep-97
+  Implementor(s): dow
+  Library: Init Code for 
+  Description:
+    This routine defines the format for vertex arrays.
+
+  Arguments:
+    param       -  Type of date-i.e. vertex, color, or texture info:
+                   GR_COLOR, GR_VERTEX, GR_TEXTURE0, GR_TEXTURE1
+    components  -  Which components are specified
+                   Valid Components:
+
+
+        So, this table summarizes the legal combinations:
+        Param           Type            Size    Description 
+        =======================================================================================================
+        GR_PARAM_XY     FxFloat         8       X and Y coordinates.  Offset must be zero.
+        GR_PARAM_Z      FxFloat         4       Z coordinate.
+        GR_PARAM_A      FxFloat         4       Alpha value.
+        GR_PARAM_RGB    FxFloat         12      RGB triplet.
+        GR_PARAM_PARGB  FxU32           4       Packed ARGB.  High-order byte is A, followed by R, G, and B.
+        GR_PARAM_STn    FxFloat         8       S and T coordinates for TMU , where n is in the range [0, TBD]
+        GR_PARAM_Wn     FxFloat         4       
+
+  Return:
+  Nothing ever.
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grVertexLayout, void , (FxU32 param, FxI32 offset, FxU32 mode) )
+{
+#define FN_NAME "grParameterData"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 85);
+
+  GDBG_INFO_MORE(gc->myLevel, "(0x%x, 0x%x)\n", param, offset);
+
+  gc->state.vData.vertexInfo.param = param;
+
+  switch (param) {
+  case GR_PARAM_XY:
+    GR_CHECK_F(myName,
+               (offset != 0), 
+               "Offset must be zero.");
+
+    gc->state.vData.vertexInfo.offset = offset;
+    gc->state.vData.vertexInfo.mode = mode;
+    break;
+
+  case GR_PARAM_Z:
+
+    gc->state.vData.zInfo.offset = offset;
+    gc->state.vData.zInfo.mode = mode;
+
+    break;
+
+  case GR_PARAM_W:
+
+    gc->state.vData.wInfo.offset = offset;
+    gc->state.vData.wInfo.mode = mode;
+
+    break;
+
+  case GR_PARAM_A:
+
+    gc->state.vData.aInfo.offset = offset;
+    gc->state.vData.colorType = GR_FLOAT;
+    gc->state.vData.aInfo.mode = mode;
+
+    break;
+  case GR_PARAM_RGB:
+
+    gc->state.vData.rgbInfo.offset = offset;
+    gc->state.vData.colorType = GR_FLOAT;
+    gc->state.vData.rgbInfo.mode = mode;
+
+    break;
+  case GR_PARAM_PARGB:
+
+    gc->state.vData.pargbInfo.offset = offset;
+    gc->state.vData.colorType = GR_U8;
+    gc->state.vData.pargbInfo.mode = mode;
+
+    break;
+  case GR_PARAM_ST0:
+
+    gc->state.vData.st0Info.offset = offset;
+    gc->state.vData.st0Info.mode = mode;
+
+    break;
+  case GR_PARAM_ST1:
+
+    gc->state.vData.st1Info.offset = offset;
+    gc->state.vData.st1Info.mode = mode;
+
+    break;
+  case GR_PARAM_Q:
+
+    gc->state.vData.qInfo.offset = offset;
+    gc->state.vData.qInfo.mode = mode;
+
+    break;
+  case GR_PARAM_Q0:
+
+    gc->state.vData.q0Info.offset = offset;
+    gc->state.vData.q0Info.mode = mode;
+
+    break;
+  case GR_PARAM_Q1:
+
+    gc->state.vData.q1Info.offset = offset;
+    gc->state.vData.q1Info.mode = mode;
+
+    break;
+  }
+
+#if !GLIDE3_VERTEX_LAYOUT
+  switch (param) {
+  case GR_VERTEX:
+    GR_CHECK_F(myName,
+               !((components == GR_VERTEX_XYZ) ||
+                (components == GR_VERTEX_XYZW)), 
+               "Bad Component for Vertex Parameter");
+    gc->state.vData.vertexInfo.components = components;
+
+    GR_CHECK_F(myName, !(type == GR_FLOAT), "Bad Type for Vertex Parameter"); 
+    gc->state.vData.vertexInfo.type = type;
+
+    gc->state.vData.vertexInfo.offset = offset;
+
+    GDBG_INFO(gc->myLevel, "%s:  Vertex Offset = %d\n", FN_NAME,
+              gc->state.vData.vertexInfo.offset);
+    
+    break;
+
+  case GR_COLOR:
+    GR_CHECK_F(myName,
+               !((components == GR_COLOR_RGB) || (components == GR_COLOR_RGBA)),
+               "Bad Component for Color Parameter");
+    gc->state.vData.colorInfo.components = components;
+
+    GR_CHECK_F(myName, !((type == GR_FLOAT) || (type == GR_U8)), 
+               "Bad Type for Color Parameter");
+    gc->state.vData.colorInfo.type = type;
+
+    gc->state.vData.colorInfo.offset = offset;
+    GDBG_INFO(gc->myLevel, "%s:  Color Offset = %d\n", FN_NAME,
+              gc->state.vData.colorInfo.offset);
+    
+    break;
+    
+  case GR_TEXTURE0:
+    GR_CHECK_F(myName,
+               !((components == GR_TEX_NONE) || (components == GR_TEX_ST) ||
+                (components == GR_TEX_STW)),
+               "Bad Component for Texture Parameter");
+    gc->state.vData.tex0Info.components = components;
+
+    GR_CHECK_F(myName, !(type == GR_FLOAT), "Bad Type for Texture Parameter");
+    gc->state.vData.tex0Info.type == type;
+
+    gc->state.vData.tex0Info.offset = offset;
+    GDBG_INFO(gc->myLevel, "%s:  Tex0 Offset = %d\n", FN_NAME,
+              gc->state.vData.tex0Info.offset);
+    
+    break;
+
+  case GR_TEXTURE1:
+    GR_CHECK_F(myName,
+               !((components == GR_TEX_NONE) || (components == GR_TEX_ST) ||
+                (components == GR_TEX_STW)),
+               "Bad Component for Texture Parameter");
+    gc->state.vData.tex1Info.components = components;
+
+    GR_CHECK_F(myName, !(type == GR_FLOAT), "Bad Type for Texture Parameter");
+    gc->state.vData.tex1Info.type == type;
+
+    gc->state.vData.tex1Info.offset = offset;
+    GDBG_INFO(gc->myLevel, "%s:  Tex1 Offset = %d\n", FN_NAME,
+              gc->state.vData.tex1Info.offset);
+    break;
+    
+  default:
+    GR_CHECK_F(myName, 0, "Invalid Parameter");
+    break;
+
+  }
+#endif /* !GLIDE3_VERTEX_LAYOUT */
+
+  _grRebuildDataList();
+
+  GR_END();
+#undef FN_NAME
+} /* grParameterData */
+
+/*-------------------------------------------------------------------
+  Function: grDrawVertexArray
+  Date: 18-Sep-97
+  Implementor(s): dow
+  Description:
+  
+  Arguments:
+        mode:   GR_POINTS, GR_LINE_STRIP, GR_POLYGON, GR_TRIANLGE_STRIP,
+                GR_TRIANGLE_FAN, GR_TRIANGLES
+  
+  Return:
+        Nothing ever
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDrawVertexArray, void , (FxU32 mode, FxU32 Count, void *pointers) )
+{
+#define FN_NAME "grDrawVertexArray"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 90);
+
+  GDBG_INFO_MORE(gc->myLevel, "(0x%x, 0x%x, 0x%x)\n",
+                 mode, Count, pointers);
+
+#ifdef GDBG_INFO_ON
+  {
+    FxU32 i;
+    for (i = 0; i < Count; i++)
+      GDBG_INFO(110, "%s:  pointers[%d] = 0x%x\n",
+                FN_NAME, i, ((float **)pointers)[i]);
+  }
+#endif
+
+  switch (mode) {
+  case GR_POINTS:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawPoints(GR_VTX_PTR_ARRAY, Count, pointers);
+    else
+      _grDrawPoints(GR_VTX_PTR_ARRAY, Count, pointers);
+    break;
+  case GR_LINE_STRIP:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawLineStrip(GR_VTX_PTR_ARRAY, GR_LINE_STRIP, Count, pointers);
+    else
+      _grDrawLineStrip(GR_VTX_PTR_ARRAY, GR_LINE_STRIP, Count, pointers);
+    break;
+  case GR_LINES:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawLineStrip(GR_VTX_PTR_ARRAY, GR_LINES, Count, pointers);
+    else
+      _grDrawLineStrip(GR_VTX_PTR_ARRAY, GR_LINES, Count, pointers);
+    break;
+  case GR_POLYGON:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawVertexList(kSetupFan, GR_VTX_PTR_ARRAY, Count, pointers);
+    else
+      _grDrawVertexList(kSetupFan, GR_VTX_PTR_ARRAY, Count, pointers);
+    break;
+    
+  case GR_TRIANGLE_STRIP:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawVertexList(kSetupStrip, GR_VTX_PTR_ARRAY, Count, pointers);
+    else
+      _grDrawVertexList(kSetupStrip, GR_VTX_PTR_ARRAY, Count, pointers);
+    break;
+
+  case GR_TRIANGLE_FAN:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawVertexList(kSetupFan, GR_VTX_PTR_ARRAY, Count, pointers);
+    else
+      _grDrawVertexList(kSetupFan, GR_VTX_PTR_ARRAY, Count, pointers);
+    break;
+      
+  case GR_TRIANGLES:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS)
+        _grAADrawTriangles(GR_VTX_PTR_ARRAY, GR_TRIANGLES, Count, pointers);
+      else
+        _grAAVpDrawTriangles(GR_VTX_PTR_ARRAY, GR_TRIANGLES, Count, pointers);
+    else 
+      _grDrawTriangles(GR_VTX_PTR_ARRAY, Count, pointers);
+    break;
+
+  }
+#undef FN_NAME
+} /* grDrawVertexArray */
+
+
+/*-------------------------------------------------------------------
+  Function: grDrawVertexArrayLinear
+  Date: 04-Dec-97
+  Implementor(s): atai
+  Description:
+  
+  Arguments:
+        mode:   GR_POINTS, GR_LINE_STRIP, GR_POLYGON, GR_TRIANLGE_STRIP,
+                GR_TRIANGLE_FAN, GR_TRIANGLES
+  
+  Return:
+        Nothing ever
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grDrawVertexArrayLinear, void , (FxU32 mode, FxU32 Count, void *pointers, FxU32 stride) )
+{
+#define FN_NAME "grDrawVertexArrayLinear"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 90);
+
+  GDBG_INFO_MORE(gc->myLevel, "(0x%x, 0x%x, 0x%x)\n",
+                 mode, Count, pointers);
+
+#ifdef GDBG_INFO_ON
+  {
+    FxU32 i;
+    for (i = 0; i < Count; i++)
+      GDBG_INFO(110, "%s:  pointers[%d] = 0x%x\n",
+                FN_NAME, i, (int)pointers + gc->state.vData.vStride * i);
+  }
+#endif
+
+  gc->state.vData.vStride = stride >> 2;
+  switch (mode) {
+  case GR_POINTS:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawPoints(GR_VTX_PTR, Count, pointers);
+    else
+      _grDrawPoints(GR_VTX_PTR, Count, pointers);
+    break;
+  case GR_LINE_STRIP:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawLineStrip(GR_VTX_PTR, GR_LINE_STRIP, Count, pointers);
+    else
+      _grDrawLineStrip(GR_VTX_PTR, GR_LINE_STRIP, Count, pointers);
+    break;
+  case GR_LINES:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawLineStrip(GR_VTX_PTR, GR_LINES, Count, pointers);
+    else
+      _grDrawLineStrip(GR_VTX_PTR, GR_LINES, Count, pointers);
+    break;
+  case GR_POLYGON:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawVertexList(kSetupFan, GR_VTX_PTR, Count, pointers);
+    else
+      _grDrawVertexList(kSetupFan, GR_VTX_PTR, Count, pointers);
+    break;
+    
+  case GR_TRIANGLE_STRIP:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawVertexList(kSetupStrip, GR_VTX_PTR, Count, pointers);
+    else
+      _grDrawVertexList(kSetupStrip, GR_VTX_PTR, Count, pointers);
+    break;
+
+  case GR_TRIANGLE_FAN:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      _grAADrawVertexList(kSetupFan, GR_VTX_PTR, Count, pointers);
+    else
+      _grDrawVertexList(kSetupFan, GR_VTX_PTR, Count, pointers);
+    break;
+      
+  case GR_TRIANGLES:
+    if (gc->state.grEnableArgs.primitive_smooth_mode)
+      if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS)
+        _grAADrawTriangles(GR_VTX_PTR, GR_TRIANGLES, Count, pointers);
+      else
+        _grAAVpDrawTriangles(GR_VTX_PTR, GR_TRIANGLES, Count, pointers);
+    else 
+      _grDrawTriangles(GR_VTX_PTR, Count, pointers);
+    break;
+
+  }
+#undef FN_NAME
+} /* grDrawVertexArrayLinear */
+
+#endif /* GLIDE3 */  

glide2x/cvg/glide/src/ditex.c

@@ -0,0 +1,674 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** 
+** 20    6/06/98 12:06p Peter
+** gmt's trilinear hell bug
+** 
+** 19    2/20/98 5:31p Peter
+** crybaby glide
+** 
+** 18    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+** 
+** 17    1/30/98 4:31p Peter
+** general clenaup
+ * 
+ * 16    1/13/98 12:42p Atai
+ * fixed grtexinfo, grVertexLayout, and draw triangle
+ * 
+ * 15    1/09/98 6:48p Atai
+ * grTexInfo, GR_LOD_* and GR_ASPECT_*
+ * 
+ * 13    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 12    12/02/97 9:49a Dow
+ * Got rid of Texelfx rev 0 warning
+ * 
+ * 11    11/20/97 6:58p Dow
+ * Marked _grTexTextureMemRequired for movement
+ * 
+ * 10    8/18/97 3:52p Peter
+ * pre-hw arrival fixes/cleanup
+ * 
+ * 9     6/02/97 4:09p Peter
+ * Compile w/ gcc for Dural
+ * 
+ * 8     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 7     5/21/97 6:04a Peter
+ * 
+ * 6     3/15/97 8:09p Jdt
+ * Remove grTexDownloadTable from this file because I added SST-1 only
+ * code to it
+ * 
+ * 5     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+ * 
+ * 4     2/12/97 2:09p Hanson
+ * Hopefully removed the rest of my muckage. 
+ * 
+ * 3     2/12/97 12:34p Dow
+ * Fixed Hanson muckage
+ * 
+ * 2     1/18/97 11:41p Dow
+ * Fixed Gary's "Last C Bug" analog
+ * Fixed usage of _grMipMapOffset_Tsplit
+ * 
+ * 1     12/23/96 1:39p Dow
+ * Changes for multiplatform
+**
+*/
+
+#include <3dfx.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+const FxU32 _gr_aspect_index_table[] =
+{
+   3,
+   2,
+   1,
+   0,
+   1,
+   2,
+   3,
+};
+
+/* size in texels  */
+const FxU32 _grMipMapHostSize[4][16] = 
+{
+  {                             /* 1:1 aspect ratio */
+    65536,                      /* 0 : 256x256  */
+    16384,                      /* 1 : 128x128  */
+    4096,                       /* 2 :  64x64   */
+    1024,                       /* 3 :  32x32   */
+    256,                        /* 4 :  16x16   */
+    64,                         /* 5 :   8x8    */
+    16,                         /* 6 :   4x4    */
+    4,                          /* 7 :   2x2    */
+    1,                          /* 8 :   1x1    */
+  },
+  {                             /* 2:1 aspect ratio */
+    32768,                      /* 0 : 256x128  */
+    8192,                       /* 1 : 128x64   */
+    2048,                       /* 2 :  64x32   */
+    512,                        /* 3 :  32x16   */
+    128,                        /* 4 :  16x8    */
+    32,                         /* 5 :   8x4    */
+    8,                          /* 6 :   4x2    */
+    2,                          /* 7 :   2x1    */
+    1,                          /* 8 :   1x1    */
+  },
+  {                             /* 4:1 aspect ratio */
+    16384,                      /* 0 : 256x64   */
+    4096,                       /* 1 : 128x32   */
+    1024,                       /* 2 :  64x16   */
+    256,                        /* 3 :  32x8    */
+    64,                         /* 4 :  16x4    */
+    16,                         /* 5 :   8x2    */
+    4,                          /* 6 :   4x1    */
+    2,                          /* 7 :   2x1    */
+    1,                          /* 8 :   1x1    */
+  },
+  {                             /* 8:1 aspect ratio */
+    8192,                       /* 0 : 256x32   */
+    2048,                       /* 1 : 128x16   */
+    512,                        /* 2 :  64x8    */
+    128,                        /* 3 :  32x4    */
+    32,                         /* 4 :  16x2    */
+    8,                          /* 5 :   8x1    */
+    4,                          /* 6 :   4x1    */
+    2,                          /* 7 :   2x1    */
+    1,                          /* 8 :   1x1    */
+  }
+};
+
+const int _grMipMapHostWH[GR_ASPECT_1x8 + 1][GR_LOD_1 + 1][2] =
+{
+   { 
+     { 256 , 32 }, 
+     { 128 , 16 }, 
+     { 64  , 8 }, 
+     { 32  , 4 }, 
+     { 16  , 2 }, 
+     { 8   , 1 }, 
+     { 4   , 1 }, 
+     { 2   , 1 }, 
+     { 1   , 1 }
+   },
+   { 
+     { 256 , 64 }, 
+     { 128 , 32 }, 
+     { 64  , 16 }, 
+     { 32  , 8 }, 
+     { 16  , 4 }, 
+     { 8   , 2 },
+     { 4   , 1 }, 
+     { 2   , 1 }, 
+     { 1   , 1 }
+   } ,
+   { 
+     { 256 , 128 }, 
+     { 128 , 64 }, 
+     { 64  , 32 }, 
+     { 32  , 16 },
+     { 16  , 8 },
+     { 8   , 4 }, 
+     { 4   , 2 }, 
+     { 2   , 1 }, 
+     { 1   , 1 }
+   },
+   { 
+     { 256 , 256 }, 
+     { 128 , 128 }, 
+     { 64  , 64 },
+     { 32  , 32 },
+     { 16  , 16 },
+     { 8   , 8 }, 
+     { 4   , 4 }, 
+     { 2   , 2 }, 
+     { 1   , 1 }
+   },
+   { 
+     { 128, 256 },
+     { 64,  128 },
+     { 32,  64  },
+     { 16,  32  },
+     { 8,   16  }, 
+     { 4,   8   }, 
+     { 2,   4   }, 
+     { 1,   2   }, 
+     { 1,   1 }
+   },
+   {
+     { 64,  256 },
+     { 32,  128 },
+     { 16,  64  },
+     { 8,   32  },
+     { 4,   16  },
+     { 2,   8   }, 
+     { 1,   4   }, 
+     { 1,   2   }, 
+     { 1,   1 }
+   },
+   { 
+     { 32,  256 },
+     { 16,  128 },
+     { 8,   64  },
+     { 4,   32  },
+     { 2,   16  },
+     { 1,   8   }, 
+     { 1,   4   }, 
+     { 1,   2   },
+     { 1,   1 }
+   }
+};
+
+/* translates GR_ASPECT_* to bits for the TLOD register */
+const FxU32 _gr_aspect_xlate_table[] =
+{
+   (3<< SST_LOD_ASPECT_SHIFT) | SST_LOD_S_IS_WIDER,
+   (2<< SST_LOD_ASPECT_SHIFT) | SST_LOD_S_IS_WIDER,
+   (1<< SST_LOD_ASPECT_SHIFT) | SST_LOD_S_IS_WIDER,
+    0<< SST_LOD_ASPECT_SHIFT,
+    1<< SST_LOD_ASPECT_SHIFT,
+    2<< SST_LOD_ASPECT_SHIFT,
+    3<< SST_LOD_ASPECT_SHIFT
+};
+
+const FxU32 _gr_evenOdd_xlate_table[] = 
+{
+  0xFFFFFFFF,                      /* invalid */
+  SST_LOD_TSPLIT,                  /* even */
+  SST_LOD_TSPLIT | SST_LOD_ODD,    /* odd  */
+  0,                               /* both */
+};
+
+/* the size of each mipmap level in texels, 4 is the minimum no matter what */
+/* index is [aspect_ratio][lod]                                             */
+static const FxU32 _grMipMapSize[4][16] = {
+  {   /* 8:1 aspect ratio */
+    0x02000,        /* 0 : 256x32   */
+    0x00800,        /* 1 : 128x16   */
+    0x00200,        /* 2 :  64x8    */
+    0x00080,        /* 3 :  32x4    */
+    0x00020,        /* 4 :  16x2    */
+    0x00010,        /* 5 :   8x1    */
+    0x00008,        /* 6 :   4x1    */
+    0x00004,        /* 7 :   2x1    */
+    0x00004,        /* 8 :   1x1    */
+  },
+  {   /* 4:1 aspect ratio */
+    0x04000,        /* 0 : 256x64   */
+    0x01000,        /* 1 : 128x32   */
+    0x00400,        /* 2 :  64x16   */
+    0x00100,        /* 3 :  32x8    */
+    0x00040,        /* 4 :  16x4    */
+    0x00010,        /* 5 :   8x2    */
+    0x00008,        /* 6 :   4x1    */
+    0x00004,        /* 7 :   2x1    */
+    0x00004,        /* 8 :   1x1    */
+  },
+  {   /* 2:1 aspect ratio */
+    0x08000,        /* 0 : 256x128  */
+    0x02000,        /* 1 : 128x64   */
+    0x00800,        /* 2 :  64x32   */
+    0x00200,        /* 3 :  32x16   */
+    0x00080,        /* 4 :  16x8    */
+    0x00020,        /* 5 :   8x4    */
+    0x00008,        /* 6 :   4x2    */
+    0x00004,        /* 7 :   2x1    */
+    0x00004,        /* 8 :   1x1    */
+  },
+  {   /* 1:1 aspect ratio */
+    0x10000,        /* 0 : 256x256  */
+    0x04000,        /* 1 : 128x128  */
+    0x01000,        /* 2 :  64x64   */
+    0x00400,        /* 3 :  32x32   */
+    0x00100,        /* 4 :  16x16   */
+    0x00040,        /* 5 :   8x8    */
+    0x00010,        /* 6 :   4x4    */
+    0x00004,        /* 7 :   2x2    */
+    0x00004,        /* 8 :   1x1    */
+  },
+};
+
+
+/* the offset from mipmap level 0 of each mipmap level in texels            */
+/* index is [aspect_ratio][lod]                                             */
+static FxU32 _grMipMapOffset[4][16];
+static FxU32 _grMipMapOffset_Tsplit[4][16];
+
+/* initialize the MipMap Offset arrays */
+void
+_grMipMapInit(void)
+{
+  int ar,lod;
+
+  for (ar=0; ar<4; ar++) {              /* for each aspect ratio           */
+    _grMipMapOffset[ar][0] = 0;         /* start off with offset=0         */
+    for (lod=1; lod<=9; lod++) {        /* for each lod, add in prev size */
+      _grMipMapOffset[ar][lod] = _grMipMapOffset[ar][lod-1] +
+        _grMipMapSize[ar][lod-1];
+    }
+    _grMipMapOffset_Tsplit[ar][0] = 0;  /* start off with offset=0 */
+    _grMipMapOffset_Tsplit[ar][1] = 0;  /* start off with offset=0 */
+    for (lod=2; lod<=9; lod++) {        /* for each lod, add in prev size */
+      _grMipMapOffset_Tsplit[ar][lod] = _grMipMapOffset_Tsplit[ar][lod-2] +
+        _grMipMapSize[ar][lod-2];
+    }
+  }
+} /* _grMipMapInit */
+
+/*---------------------------------------------------------------------------
+**  This is not DI anymore.  Perhaps all of these size routines need
+**  to be in gtex.c now.
+*/
+FxU32
+_grTexTextureMemRequired( GrLOD_t small_lod, GrLOD_t large_lod, 
+                           GrAspectRatio_t aspect, GrTextureFormat_t format,
+                           FxU32 evenOdd )
+{
+  FxU32 memrequired;
+
+  GR_CHECK_W("_grTexTextureMemRequired", small_lod < large_lod,
+                 "small_lod bigger than large_lod" );
+  GR_CHECK_F( "_grTexTextureMemRequired", evenOdd >  GR_MIPMAPLEVELMASK_BOTH || evenOdd == 0, 
+              "invalid evenOdd mask" );
+
+  /* mirror aspect ratios         */
+  if ( aspect > GR_ASPECT_1x1 ) aspect = GR_ASPECT_1x8 - aspect;
+
+  if ( evenOdd == GR_MIPMAPLEVELMASK_BOTH ) {
+    memrequired  = _grMipMapOffset[aspect][small_lod+1];
+    memrequired -= _grMipMapOffset[aspect][large_lod];
+  } else {
+    memrequired = 0;
+    /* construct XOR mask   */
+    evenOdd = (evenOdd == GR_MIPMAPLEVELMASK_EVEN);
+    while (large_lod <= small_lod) {    /* sum up all the mipmap levels */
+      if ((large_lod ^ evenOdd) & 1)    /* that match the XOR mask      */
+        memrequired += _grMipMapSize[aspect][large_lod];
+      large_lod++;
+    }
+  }
+
+  if ( format >= GR_TEXFMT_16BIT )      /* convert from texels to bytes */
+    memrequired <<= 1;                  /* 2 bytes per texel            */
+
+  memrequired += 7;                     /* round up to 8 byte boundary  */
+  memrequired &= ~7;
+  return memrequired;
+} /* _grTexTextureMemRequired */
+
+FxU16
+_grTexFloatLODToFixedLOD( float value )
+{
+  float num_quarters;
+  int   new_value;
+
+  num_quarters = ( value + .125F ) / .25F;
+  new_value    = ( int ) num_quarters;
+
+  new_value   &= 0x003F;
+
+  return new_value;
+} /* _grTexFloatLODToFixedLOD */
+
+/*---------------------------------------------------------------------------
+** _grTexCalcBaseAddress
+*/
+FxU32
+_grTexCalcBaseAddress( FxU32 start, GrLOD_t large_lod,
+                       GrAspectRatio_t aspect, GrTextureFormat_t format,
+                       FxU32 odd_even_mask )
+{
+  FxU32 sum_of_lod_sizes;
+
+  /* mirror aspect ratios         */
+  if ( aspect > GR_ASPECT_1x1 ) aspect = GR_ASPECT_1x8 - aspect;
+
+  if ( odd_even_mask == GR_MIPMAPLEVELMASK_BOTH )
+    sum_of_lod_sizes = _grMipMapOffset[aspect][large_lod];
+  else {
+    if (((odd_even_mask == GR_MIPMAPLEVELMASK_EVEN) && (large_lod & 1)) ||
+        ((odd_even_mask == GR_MIPMAPLEVELMASK_ODD) && !(large_lod & 1)))
+      large_lod += 1;
+    sum_of_lod_sizes = _grMipMapOffset_Tsplit[aspect][large_lod];
+  }
+    
+  if ( format >= GR_TEXFMT_16BIT ) sum_of_lod_sizes <<= 1;
+
+  return ( start - sum_of_lod_sizes );
+} /* _grTexCalcBaseAddress */
+
+/*---------------------------------------------------------------------------
+** grTexCalcMemRequired
+*/
+GR_DIENTRY(grTexCalcMemRequired, FxU32,
+           ( GrLOD_t small_lod, GrLOD_t large_lod, 
+            GrAspectRatio_t aspect, GrTextureFormat_t format ))
+{
+  const FxU32 memrequired  = _grTexTextureMemRequired(small_lod, large_lod, 
+                                                      aspect, format,
+                                                      GR_MIPMAPLEVELMASK_BOTH );
+
+  GDBG_INFO(88,"grTexCalcMemRequired(%d,%d,%d,%d) => 0x%x(%d)\n",
+                small_lod,large_lod,aspect,format,memrequired,memrequired);
+
+  return memrequired;
+} /* grTexCalcMemRequired */
+
+
+/*---------------------------------------------------------------------------
+** grTexDetailControl
+*/
+GR_DIENTRY(grTexDetailControl, void,
+           ( GrChipID_t tmu, int lod_bias, FxU8 detail_scale,
+            float detail_max ))
+{
+#define FN_NAME "grTexDetailControl"
+  FxU32 tDetail;
+  FxU32 dmax    = ( FxU32 ) ( detail_max * _GlideRoot.pool.f255 );
+  FxU32 dscale  = detail_scale;
+  
+  GR_BEGIN_NOFIFOCHECK("grTexDetailControl",88);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,%d,%g)\n",tmu,detail_scale,detail_max);
+  GR_CHECK_TMU( FN_NAME, tmu );
+  GR_CHECK_F( myName, lod_bias < -32 || lod_bias > 31, "lod_bias out of range" );
+  GR_CHECK_F( myName, detail_scale > 7, "detail_scale out of range" );
+  GR_CHECK_F( myName, detail_max < 0.0 || detail_max > 1.0, "detail_max out of range" );
+
+  tDetail  = ( ( lod_bias << SST_DETAIL_BIAS_SHIFT ) & SST_DETAIL_BIAS );
+  tDetail |= ( ( dmax << SST_DETAIL_MAX_SHIFT ) & SST_DETAIL_MAX );
+  tDetail |= ( ( dscale << SST_DETAIL_SCALE_SHIFT ) & SST_DETAIL_SCALE );
+  
+  /* MULTIPLAT */
+  _grTexDetailControl( tmu, tDetail );
+  GR_END();
+#undef FN_NAME
+} /* grTexDetailControl */
+
+GR_DIENTRY(grTexMinAddress, FxU32, ( GrChipID_t tmu ))
+{
+#define FN_NAME "grTexMinAddress"
+  GR_BEGIN_NOFIFOCHECK("grTexMinAddress",88);
+  GDBG_INFO_MORE(gc->myLevel,"(%d)\n",tmu);
+  GR_CHECK_TMU(FN_NAME, tmu);
+  FXUNUSED( tmu );
+  GR_RETURN(0);
+#undef FN_NAME
+} /* grTexMinAddress */
+
+
+/*-------------------------------------------------------------------
+  Function: grTexMaxAddress
+  Date: 6/2
+  Implementor(s): GaryT
+  Library: glide
+  Description:
+    Returns address of maximum extent of texture ram for a given TMU
+  Arguments:
+    tmu
+  Return:
+    the largest valid texture start Address
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grTexMaxAddress, FxU32, ( GrChipID_t tmu ))
+{
+#define FN_NAME "grTexMaxAddress"
+  GR_BEGIN_NOFIFOCHECK("grTexMaxAddress",88);
+  GDBG_INFO_MORE(gc->myLevel,"(%d)\n",tmu);
+  GR_CHECK_TMU(FN_NAME, tmu );
+  GR_RETURN(gc->tmu_state[tmu].total_mem-8);
+#undef FN_NAME
+} /* grTexMaxAddress */
+
+
+/*-------------------------------------------------------------------
+  Function: grTexTextureMemRequired
+  Date: 6/2
+  Implementor(s): GaryMcT, Jdt
+  Library: glide
+  Description:
+    Returns the tmu memory required to store the specified mipmap    
+    ( Gary and I don't like the name of this function, but are 
+      a little backed into a corner because of the existence 
+      of grTexMemRequired() which does not imply any distinction
+      between texture memory and system ram )
+  Arguments:
+    evenOdd  - which set of mipmap levels are to be stored
+                One of:
+                  GR_MIPMAPLEVELMASK_EVEN 
+                  GR_MIPMAPLEVELMASK_ODD
+                  GR_MIPMAPLEVELMASK_BOTH
+    info      - pointer to GrTexInfo structure defining dimensions
+                of texture
+  Return:
+    offset to be added to current texture base address to calculate next 
+    valid texture memory download location
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grTexTextureMemRequired, FxU32,
+           ( FxU32 evenOdd, GrTexInfo *info))
+{
+  FxU32 memrequired;
+
+  GR_CHECK_F( "grTexTextureMemRequired", !info, "invalid info pointer" );
+  memrequired = _grTexTextureMemRequired(info->smallLod,
+                                         info->largeLod,
+                                         info->aspectRatio,
+                                         info->format,
+                                         evenOdd );
+                        
+  GDBG_INFO(88,"grTexTextureMemRequired(%d,0x%x) => 0x%x(%d)\n",
+                evenOdd,info,memrequired,memrequired);
+  return memrequired;
+} /* grTexTextureMemRequired */
+
+
+/*-------------------------------------------------------------------
+  Function: grTexDownloadMipMap
+  Date: 6/2
+  Implementor(s): GaryMcT, Jdt
+  Library: glide
+  Description:
+    Downloads a texture mipmap to the specified tmu at the specified
+    base address.
+  Arguments:
+    tmu          - which tmu
+    startAddress - starting address for texture download,
+    evenOdd  - which set of mipmap levels have been downloaded for
+                the selected texture
+                One of:
+                  GR_MIPMAPLEVELMASK_EVEN
+                  GR_MIPMAPLEVELMASK_ODD
+                  GR_MIPMAPLEVELMASK_BOTH
+    info       - pointer to GrTexInfo structure defining dimension of
+                 texture to be downloaded and containing texture data
+  Return:
+    none
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grTexDownloadMipMap, void, 
+           ( GrChipID_t tmu, FxU32 startAddress, FxU32
+            evenOdd, GrTexInfo  *info ))
+{
+  GR_DCL_GC;
+  GrLOD_t lod;
+  char *src_base;
+  FxU32 size = grTexTextureMemRequired( evenOdd, info );
+
+  FXUNUSED(gc);
+
+  GDBG_INFO(89,"grTexDownloadMipMap(%d,0x%x,%d,0x%x\n",tmu,startAddress,evenOdd,info);
+  GR_CHECK_TMU( "grTexDownloadMipMap", tmu );
+  GR_CHECK_COMPATABILITY("grTexDownloadMipMap", 
+                         startAddress + size > gc->tmu_state[tmu].total_mem,
+                         "insufficient texture ram at startAddress" );
+  GR_CHECK_F( "grTexDownloadMipMap", evenOdd > 0x3, "evenOdd mask invalid" );
+  GR_CHECK_F( "grTexDownloadMipMap", !info, "info invalid" );
+  
+  if ((startAddress < 0x200000) && (startAddress + size > 0x200000)) {
+    GR_CHECK_COMPATABILITY("grTexDownloadMipMap",
+                           ((startAddress < 0x200000UL) && (startAddress + size > 0x200000UL)),
+                           "mipmap cannot span 2 MB boundary");
+    GrErrorCallback("grTexDownloadMipMap: mipmap cannot span 2 Mbyte boundary", FXTRUE);
+  }
+
+  src_base = (char *)info->data;
+  
+  /*---------------------------------------------------------------
+    Download one mipmap level at a time
+    ---------------------------------------------------------------*/
+  for(lod = info->largeLod; lod <= info->smallLod; lod++ ) {
+    grTexDownloadMipMapLevel( tmu, 
+                              startAddress, 
+                              lod,
+                              info->largeLod,
+                              info->aspectRatio,
+                              info->format,
+                              evenOdd,
+                              src_base );
+               
+    src_base += (_grMipMapHostSize[_gr_aspect_index_table[info->aspectRatio]][lod] << 
+                 (info->format >= GR_TEXFMT_16BIT));
+  }
+} /* grTexDownloadMipMap */
+
+
+/*-------------------------------------------------------------------
+  Function: grTexDownloadTablePartial
+  Date: 6/3
+  Implementor(s): GaryT
+  Library: glide
+  Description:
+    download part of a look up table data to a tmu
+  Arguments:
+    tmu - which tmu
+    type - what type of table to download
+        One of:
+            GR_TEXTABLE_NCC0
+            GR_TEXTABLE_NCC1
+            GR_TEXTABLE_PALETTE
+    void *data - pointer to table data
+  Return:
+    none
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grTexDownloadTablePartial, void,
+           ( GrChipID_t tmu, GrTexTable_t type, 
+            void *data, int start, int end ))
+{
+#define FN_NAME "grTexDownloadTablePartial"
+  GR_BEGIN_NOFIFOCHECK("grTexDownloadTablePartial",89);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,%d,0x%x, %d,%d)\n",tmu,type,data,start,end);
+  GR_CHECK_TMU(FN_NAME,tmu);
+  GR_CHECK_F(myName, type > 0x2, "invalid table specified");
+  GR_CHECK_F(myName, !data, "invalid data pointer");
+
+  if ( type == GR_TEXTABLE_PALETTE )     /* Need Palette Download Code */
+    _grTexDownloadPalette( tmu, (GuTexPalette *)data, start, end );
+  else {                                 /* Type is an ncc table */
+    _grTexDownloadNccTable( tmu, type, (GuNccTable*)data, start, end );
+    /* Removed redundant call
+     * _grTexDownloadNccTable( tmu, type, (GuNccTable*)data, start, end ); 
+     */
+  }
+  GR_END();
+#undef FN_NAME
+} /* grTexDownloadTable */
+
+/*---------------------------------------------------------------------------
+** grTexDownloadMipMapLevel
+*/
+GR_DIENTRY(grTexDownloadMipMapLevel, void, 
+           ( GrChipID_t tmu, FxU32 startAddress, GrLOD_t thisLod,
+            GrLOD_t largeLod, GrAspectRatio_t aspectRatio,
+            GrTextureFormat_t format, FxU32 evenOdd, void *data )) 
+{
+  GR_BEGIN_NOFIFOCHECK("grTexDownloadMipMapLevel",89);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,0x%x, %d,%d,%d, %d,%d 0x%x)\n",
+                  tmu,startAddress,thisLod,largeLod,aspectRatio,
+                  format,evenOdd,data);
+  /*
+  ** note for glide3 lod translation:
+  ** we are calling gr* routine so the lod data should remain the same 
+  */
+  grTexDownloadMipMapLevelPartial( tmu, startAddress,
+                                   thisLod, largeLod, 
+                                   aspectRatio, format,
+                                   evenOdd, data,
+                                   0, _grMipMapHostWH[aspectRatio][thisLod][1] - 1 );
+  GR_END();
+} /* grTexDownloadMipmapLevel */
+
+FxU16 rle_line[256];
+FxU16 *rle_line_end;
+
+#if (GLIDE_PLATFORM & (GLIDE_OS_WIN32 | GLIDE_OS_MACOS | GLIDE_OS_UNIX))
+void rle_decode_line_asm(FxU16 *tlut,FxU8 *src,FxU16 *dest)
+{
+   /* don't do anything just shut up the compiler */
+}
+#endif /* (GLIDE_PLATFORM & (GLIDE_OS_WIN32 | GLIDE_OS_MACOS)) */

glide2x/cvg/glide/src/fifo.c

@@ -0,0 +1,733 @@
+/*
+ ** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ ** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ ** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ ** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ ** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ ** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ ** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ ** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ ** 
+ ** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ ** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ ** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ ** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ ** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ ** THE UNITED STATES.  
+ ** 
+ ** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ **
+ ** $Header$
+ ** $Log$
+ ** Revision 1.1.1.1  1999/12/07 21:49:08  joseph
+ ** Initial checkin into SourceForge.
+ **
+** 
+** 22    3/14/98 1:07p Peter
+** mac port happiness
+** 
+** 21    2/20/98 9:05a Peter
+** removed remnants of comdex grot
+** 
+** 20    2/11/98 5:22p Peter
+** added fifo get stuff for hanson
+** 
+** 19    2/01/98 7:44p Peter
+** parameter dumping level
+ * 
+ * 18    12/17/97 4:45p Peter
+ * groundwork for CrybabyGlide
+ * 
+ * 17    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 16    12/09/97 10:28a Peter
+ * cleaned up some frofanity
+ * 
+ * 15    12/05/97 4:26p Peter
+ * watcom warnings
+ * 
+ * 14    12/03/97 11:34a Peter
+ * dos debugging
+ * 
+ * 13    11/21/97 3:53p Peter
+ * reset messages are controlled by gdbg_level
+ * 
+ * 12    11/19/97 6:04p Peter
+ * actually exit if not reset
+ * 
+ * 11    11/18/97 4:36p Peter
+ * chipfield stuff cleanup and w/ direct writes
+ * 
+ * 10    11/17/97 4:55p Peter
+ * watcom warnings/chipfield stuff
+ * 
+ * 9     11/15/97 9:20p Peter
+ * I am the sorriest f*cker on the face of the planet
+ * 
+ **
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#if defined(__WIN32__)
+#include <windows.h>
+#endif
+
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+
+#if GDBG_INFO_ON
+
+static const char*
+cvgRegNames[] = {
+  "status",                     /* 0x00 */
+  "intrCtrl",                   /* 0x01 */
+  "vAx",                        /* 0x02 */
+  "vAy",                        /* 0x03 */
+  "vBx",                        /* 0x04 */
+  "vBy",                        /* 0x05 */
+  "vCx",                        /* 0x06 */
+  "vCy",                        /* 0x07 */
+  "r",                          /* 0x08 */
+  "g",                          /* 0x09 */
+  "b",                          /* 0x0A */
+  "z",                          /* 0x0B */
+  "a",                          /* 0x0C */
+  "s",                          /* 0x0D */
+  "t",                          /* 0x0E */
+  "w",                          /* 0x0F */
+  "drdx",                       /* 0x10 */
+  "dgdx",                       /* 0x11 */
+  "dbdx",                       /* 0x12 */
+  "dzdx",                       /* 0x13 */
+  "dadx",                       /* 0x14 */
+  "dsdx",                       /* 0x15 */
+  "dtdx",                       /* 0x16 */
+  "dwdx",                       /* 0x17 */
+  "drdy",                       /* 0x18 */
+  "dgdy",                       /* 0x19 */
+  "dbdy",                       /* 0x1A */
+  "dzdy",                       /* 0x1B */
+  "dady",                       /* 0x1C */
+  "dsdy",                       /* 0x1D */
+  "dtdy",                       /* 0x1E */
+  "dwdy",                       /* 0x1F */
+  "triangleCMD",                /* 0x20 */
+  "reserved021",                /* 0x21 */
+  "FvAx",                       /* 0x22 */
+  "FvAy",                       /* 0x23 */
+  "FvBx",                       /* 0x24 */
+  "FvBy",                       /* 0x25 */
+  "FvCx",                       /* 0x26 */
+  "FvCy",                       /* 0x27 */
+  "Fr",                         /* 0x28 */
+  "Fg",                         /* 0x29 */
+  "Fb",                         /* 0x2A */
+  "Fz",                         /* 0x2B */
+  "Fa",                         /* 0x2C */
+  "Fs",                         /* 0x2D */
+  "Ft",                         /* 0x2E */
+  "Fw",                         /* 0x2F */
+  "Fdrdx",                      /* 0x30 */
+  "Fdgdx",                      /* 0x31 */
+  "Fdbdx",                      /* 0x32 */
+  "Fdzdx",                      /* 0x33 */
+  "Fdadx",                      /* 0x34 */
+  "Fdsdx",                      /* 0x35 */
+  "Fdtdx",                      /* 0x36 */
+  "Fdwdx",                      /* 0x37 */
+  "Fdrdy",                      /* 0x38 */
+  "Fdgdy",                      /* 0x39 */
+  "Fdbdy",                      /* 0x3A */
+  "Fdzdy",                      /* 0x3B */
+  "Fdady",                      /* 0x3C */
+  "Fdsdy",                      /* 0x3D */
+  "Fdtdy",                      /* 0x3E */
+  "Fdwdy",                      /* 0x3F */
+  "FtriangleCMD",               /* 0x40 */
+  "fbzColorPath",               /* 0x41 */
+  "fogMode",                    /* 0x42 */
+  "alphaMode",                  /* 0x43 */
+  "fbzMode",                    /* 0x44 */
+  "lfbMode",                    /* 0x45 */
+  "clipLeftRight",              /* 0x46 */
+  "clipLowYHighY",              /* 0x47 */
+  "nopCMD",                     /* 0x48 */
+  "fastfillCMD",                /* 0x49 */
+  "swapbufferCMD",              /* 0x4A */
+  "fogColor",                   /* 0x4B */
+  "zaColor",                    /* 0x4C */
+  "chromaKey",                  /* 0x4D */
+  "chromaRange",                /* 0x4E */
+  "userIntrCMD",                /* 0x4F */
+  "stipple",                    /* 0x50 */
+  "color0",                     /* 0x51 */
+  "color1",                     /* 0x52 */
+  "fbiPixelsIn",                /* 0x53 */
+  "fbiChromaFail",              /* 0x54 */
+  "fbiZfuncFail",               /* 0x55 */
+  "fbiAfuncFail",               /* 0x56 */
+  "fbiPixelsOut",               /* 0x57 */
+  "fogTable0001",               /* 0x58 */
+  "fogTable0203",               /* 0x59 */
+  "fogTable0405",               /* 0x5A */
+  "fogTable0607",               /* 0x5B */
+  "fogTable0809",               /* 0x5C */
+  "fogTable0A0B",               /* 0x5D */
+  "fogTable0C0D",               /* 0x5E */
+  "fogTable0E0F",               /* 0x5F */
+  "fogTable1011",               /* 0x60 */
+  "fogTable1213",               /* 0x61 */
+  "fogTable1415",               /* 0x62 */
+  "fogTable1617",               /* 0x63 */
+  "fogTable1819",               /* 0x64 */
+  "fogTable1A1B",               /* 0x65 */
+  "fogTable1C1D",               /* 0x66 */
+  "fogTable1E1F",               /* 0x67 */
+  "fogTable2021",               /* 0x68 */
+  "fogTable2223",               /* 0x69 */
+  "fogTable2425",               /* 0x6A */
+  "fogTable2627",               /* 0x6B */
+  "fogTable2829",               /* 0x6C */
+  "fogTable2A2B",               /* 0x6D */
+  "fogTable2C2D",               /* 0x6E */
+  "fogTable2E2F",               /* 0x6F */
+  "fogTable3031",               /* 0x70 */
+  "fogTable3233",               /* 0x71 */
+  "fogTable3435",               /* 0x72 */
+  "fogTable3637",               /* 0x73 */
+  "fogTable3839",               /* 0x74 */
+  "fogTable3A3B",               /* 0x75 */
+  "fogTable3C3D",               /* 0x76 */
+  "fogTable3E3F",               /* 0x77 */
+  "cmdFifoBaseAddr",            /* 0x78 */
+  "cmdFifoBump",                /* 0x79 */
+  "cmdFifoRdPtr",               /* 0x7A */
+  "cmdFifoAMin",                /* 0x7B */
+  "cmdFifoAMax",                /* 0x7C */
+  "cmdFifoDepth",               /* 0x7D */
+  "cmdFifoHoles",               /* 0x7E */
+  "reserved07F",                /* 0x7F */
+  "fbiInit4",                   /* 0x80 */
+  "vRetrace",                   /* 0x81 */
+  "backPorch",                  /* 0x82 */
+  "videoDim",                   /* 0x83 */
+  "fbiInit0",                   /* 0x84 */
+  "fbiInit1",                   /* 0x85 */
+  "fbiInit2",                   /* 0x86 */
+  "fbiInit3",                   /* 0x87 */
+  "hSync",                      /* 0x88 */
+  "vSync",                      /* 0x89 */
+  "clutData",                   /* 0x8A */
+  "dacData",                    /* 0x8B */
+  "maxRGBDelta",                /* 0x8C */
+  "hBorder",                    /* 0x8D */
+  "vBorder",                    /* 0x8E */
+  "borderColor",                /* 0x8F */
+  "hvRetrace",                  /* 0x90 */
+  "fbiInit5",                   /* 0x91 */
+  "fbiInit6",                   /* 0x92 */
+  "fbiInit7",                   /* 0x93 */
+  "reserved094",                /* 0x94 */
+  "reserved095",                /* 0x95 */
+  "fbiSwapHistory",             /* 0x96 */
+  "fbiTriOut",                  /* 0x97 */
+  "sSetupMode",                 /* 0x98 */
+  "sVx",                        /* 0x99 */
+  "sVy",                        /* 0x9A */
+  "sARGB",                      /* 0x9B */
+  "sRed",                       /* 0x9C */
+  "sGreen",                     /* 0x9D */
+  "sBlue",                      /* 0x9E */
+  "sAlpha",                     /* 0x9F */
+  "sVz",                        /* 0xA0 */
+  "sWb",                        /* 0xA1 */
+  "sWtmu0",                     /* 0xA2 */
+  "sS/W0",                      /* 0xA3 */
+  "sT/W0",                      /* 0xA4 */
+  "sWtmu1",                     /* 0xA5 */
+  "sS/Wtmu1",                   /* 0xA6 */
+  "sT/Wtmu1",                   /* 0xA7 */
+  "sDrawTriCMD",                /* 0xA8 */
+  "sBeginTriCMD",               /* 0xA9 */
+  "reserved0AA",                /* 0xAA */
+  "reserved0AB",                /* 0xAB */
+  "reserved0AC",                /* 0xAC */
+  "reserved0AD",                /* 0xAD */
+  "reserved0AE",                /* 0xAE */
+  "reserved0AF",                /* 0xAF */
+  "bltSrcBase",                 /* 0xB0 */
+  "bltDstBase",                 /* 0xB1 */
+  "bltXYStrides",               /* 0xB2 */
+  "bltSrcChroma",               /* 0xB3 */
+  "bltDstChroma",               /* 0xB4 */
+  "bltClipX",                   /* 0xB5 */
+  "bltClipY",                   /* 0xB6 */
+  "reserved067",                /* 0xB7 */
+  "bltSrcXY",                   /* 0xB8 */
+  "bltDstXY",                   /* 0xB9 */
+  "bltSize",                    /* 0xBA */
+  "bltRop",                     /* 0xBB */
+  "bltColor",                   /* 0xBC */
+  "reserved067",                /* 0xBD */
+  "bltCommand",                 /* 0xBE */
+  "bltData",                    /* 0xBF */
+  "textureMode",                /* 0xc0 */
+  "tLOD",                       /* 0xc1 */
+  "tDetail",                    /* 0xc2 */
+  "texBaseAddr",                /* 0xc3 */
+  "texBaseAddr1",               /* 0xc4 */
+  "texBaseAddr2",               /* 0xc5 */
+  "texBaseAddr38",              /* 0xc6 */
+  "trexInit0",                  /* 0xc7 */
+  "trexInit1",                  /* 0xc8 */
+  "nccTable0_0",                /* 0xc9 */
+  "nccTable0_1",                /* 0xca */
+  "nccTable0_2",                /* 0xcb */
+  "nccTable0_3",                /* 0xcc */
+  "nccTable0_4",                /* 0xcd */
+  "nccTable0_5",                /* 0xce */
+  "nccTable0_6",                /* 0xcf */
+  "nccTable0_7",                /* 0xd0 */
+  "nccTable0_8",                /* 0xd1 */
+  "nccTable0_9",                /* 0xd2 */
+  "nccTable0_A",                /* 0xd3 */
+  "nccTable0_B",                /* 0xd4 */
+  "nccTable1_0",                /* 0xd5 */
+  "nccTable1_1",                /* 0xd6 */
+  "nccTable1_2",                /* 0xd7 */
+  "nccTable1_3",                /* 0xd8 */
+  "nccTable1_4",                /* 0xd9 */
+  "nccTable1_5",                /* 0xda */
+  "nccTable1_6",                /* 0xdb */
+  "nccTable1_7",                /* 0xdc */
+  "nccTable1_8",                /* 0xdd */
+  "nccTable1_9",                /* 0xde */
+  "nccTable1_A",                /* 0xdf */
+  "nccTable1_B",                /* 0xe0 */
+  "reserved0E1",                /* 0xe1 */
+  "reserved0E2",                /* 0xe2 */
+  "reserved0E3",                /* 0xe3 */
+  "reserved0E4",                /* 0xe4 */
+  "reserved0E5",                /* 0xe5 */
+  "reserved0E6",                /* 0xe6 */
+  "reserved0E7",                /* 0xe7 */
+  "reserved0E8",                /* 0xe8 */
+  "reserved0E9",                /* 0xe9 */
+  "reserved0EA",                /* 0xea */
+  "reserved0EB",                /* 0xeb */
+  "reserved0EC",                /* 0xec */
+  "reserved0ED",                /* 0xed */
+  "reserved0EE",                /* 0xee */
+  "reserved0EF",                /* 0xef */
+  "reserved0F0",                /* 0xf0 */
+  "reserved0F1",                /* 0xf1 */
+  "reserved0F2",                /* 0xf2 */
+  "reserved0F3",                /* 0xf3 */
+  "reserved0F4",                /* 0xf4 */
+  "reserved0F5",                /* 0xf5 */
+  "reserved0F6",                /* 0xf6 */
+  "reserved0F7",                /* 0xf7 */
+  "reserved0F8",                /* 0xf8 */
+  "reserved0F9",                /* 0xf9 */
+  "reserved0FA",                /* 0xfa */
+  "reserved0FB",                /* 0xfb */
+  "reserved0FC",                /* 0xfc */
+  "reserved0FD",                /* 0xfd */
+  "reserved0FE",                /* 0xfe */
+  "reserved0FF",                /* 0xff */  
+};
+
+#define GEN_INDEX(a) ((((FxU32) a) - ((FxU32) gc->reg_ptr)) >> 2)
+
+void
+_grFifoWriteDebug(FxU32 addr, FxU32 val, FxU32 fifoPtr)
+{
+  GR_DCL_GC;
+  FxU32 index = GEN_INDEX(addr);
+
+  GDBG_INFO(gc->myLevel + 199, "Storing to FIFO:\n");
+  GDBG_INFO(gc->myLevel + 199, "  FIFO Ptr:    0x%x : 0x%X\n", fifoPtr, gc->cmdTransportInfo.fifoRoom);  
+  if (index <= 0xff) { 
+    GDBG_INFO(gc->myLevel + 199, "  Reg Name:    %s\n", cvgRegNames[index]);
+    GDBG_INFO(gc->myLevel + 199, "  Reg Num:     0x%X\n", index);
+  } else {
+    const char* strP;
+    const FxU32 offset = (addr - (FxU32)gc->reg_ptr);
+     
+    if (offset >= HW_TEXTURE_OFFSET) {
+      strP = "Texture";
+    } else if (offset >= HW_LFB_OFFSET) {
+      strP = "LFB";
+      index = addr;
+    } else if (offset >= HW_FIFO_OFFSET) {
+      strP = "Cmd FIFO";
+    } else {
+      strP = "Woah!";
+    }
+    GDBG_INFO(gc->myLevel + 199, "  %s Addr:    0x%X\n",
+              strP, index);
+  }
+  GDBG_INFO(gc->myLevel + 199, "  Value:       0x%X 0x%X\n", (index << 2), val);
+
+  GDBG_INFO(120, "        SET(0x%X, %ld(0x%X)) 0 %s (0x%X)\n",
+            0x10000000UL + (FxU32)(index << 2), val, val, 
+            cvgRegNames[index & 0xFF], fifoPtr);
+} /* _grFifoWriteDebug */
+
+void
+_grFifoFWriteDebug(FxU32 addr, float val, FxU32 fifoPtr)
+{
+  GR_DCL_GC;
+  FxU32 index = GEN_INDEX(addr);
+
+  GDBG_INFO(gc->myLevel + 200, "Storing to FIFO:\n");
+  GDBG_INFO(gc->myLevel + 200, "  FIFO Ptr:    0x%x\n", fifoPtr);
+  if (index <= 0xff) {
+    GDBG_INFO(gc->myLevel + 200, "  Reg Name:    %s\n", cvgRegNames[index]);
+    GDBG_INFO(gc->myLevel + 200, "  Reg Num:     0x%x\n", index);
+  }
+  GDBG_INFO(gc->myLevel + 200, "  Value:       %4.2f\n", val);
+
+  GDBG_INFO(120, "        SET(0x%X, %4.2f (0x%X)) 0 %s\n", 
+            0x10000000UL + (FxU32)(index << 2), val, *(const FxU32*)&val, 
+            cvgRegNames[index & 0xFF]);
+} /* _grFifoFWriteDebug */
+
+extern void
+_grCVGFifoDump_TriHdr(const FxU32 hdrVal)
+{
+  GR_DCL_GC;
+
+  /* Dump Packet Header */
+  GDBG_INFO(gc->myLevel + 200, "CMD Fifo Triangle Packet (0x%X)\n", hdrVal);
+  GDBG_INFO(gc->myLevel + 200, "  # Vertex: 0x%X\n", 
+            (hdrVal & SSTCP_PKT3_NUMVERTEX) >> SSTCP_PKT3_NUMVERTEX_SHIFT);
+  GDBG_INFO(gc->myLevel + 200, "  RGB: %s\n",
+            (hdrVal & SSTCP_PKT3_PACKEDCOLOR) ? "Packed" : "Separate");
+
+  GDBG_INFO(gc->myLevel + 200, "  StripMode: %s\n",
+            (((hdrVal & (0x01 << 22)) == 0) ? "Strip" : "Fan"));
+
+  GDBG_INFO(gc->myLevel + 200, "  Culling: %s\n",
+            (((hdrVal & (0x01 << 23)) == 0) ? "Disable" : "Enable"));
+
+  GDBG_INFO(gc->myLevel + 200, "  CullingSign: %s\n",
+            (((hdrVal & (0x01 << 24)) == 0) ? "Positive" : "Negative"));
+
+  GDBG_INFO(gc->myLevel + 200, "  PingPongSign: %s\n",
+            (((hdrVal & (0x01 << 25)) == 0) ? "Normal" : "Disable"));
+  
+  if (GDBG_GET_DEBUGLEVEL(gc->myLevel + 200)) {
+    const FxU32 temp = (hdrVal & SSTCP_PKT3_PMASK);
+    int i;
+
+    GDBG_INFO(gc->myLevel + 200, "  Params: X Y");
+
+    for(i = 10; i <= 17; i++) {
+      static const char* paramSel[] = { "RGB", "Alpha", "Z", "Wb", "W0", "ST[0]", "W1", "ST[1]" };
+      
+      if ((temp & (0x01UL << i)) != 0) GDBG_PRINTF("%s ", paramSel[i - 10]);
+    }
+    GDBG_INFO(gc->myLevel + 200, "\n");
+  }
+
+  {
+    const FxU32 temp = (hdrVal & SSTCP_PKT3_CMD) >> SSTCP_PKT3_CMD_SHIFT;
+    const char* tempStr;
+
+    switch(temp) {
+    case 0x00: tempStr = "Independent";   break;
+    case 0x01: tempStr = "NewStrip";      break;
+    case 0x02: tempStr = "ContinueStrip"; break;
+    default:   tempStr = "Reserved";      break;
+    }
+    GDBG_INFO(gc->myLevel + 200, "  Command: 0x%X(%s)\n", temp, tempStr);
+  }
+}
+
+extern void
+_grCVGFifoDump_Linear(const FxU32* const linearPacketAddr)
+{
+
+}
+
+void
+_grErrorCallback(const char* const procName,
+                 const char* const format,
+                 va_list           args)
+{
+  static FxBool inProcP = FXFALSE;
+
+  if (!inProcP) {
+    static char errMsgBuf[1024];
+    
+    inProcP = FXTRUE;
+    {
+      extern void (*GrErrorCallback)( const char *string, FxBool fatal );
+
+      vsprintf(errMsgBuf, format, args);
+      (*GrErrorCallback)(errMsgBuf, (GETENV("FX_ERROR_FAIL") != NULL));
+    }
+    inProcP = FXFALSE;
+  }
+}
+
+#endif /* GDBG_INFO_ON */
+
+#if USE_PACKET_FIFO
+
+/* Routines privately exported so that the manufacturing diags
+ * and other things can do register writes etc w/o having access
+ * to the glide internals etc.
+ */
+extern void
+_grSet32(volatile FxU32* const sstAddr, const FxU32 val)
+{
+#define FN_NAME "_grSet32"
+  GR_DCL_GC;
+
+  GR_ASSERT(sstAddr >= gc->base_ptr);
+  GR_ASSERT(sstAddr <  &SST_TMU(gc->reg_ptr, GR_TMU0)->status);
+
+  GR_SET_EXPECTED_SIZE(sizeof(FxU32), 1);
+  GR_SET_INDEX(BROADCAST_ID, gc->reg_ptr, (sstAddr - gc->reg_ptr), val);
+  GR_CHECK_SIZE();
+#undef FN_NAME
+}
+
+extern FxU32
+_grGet32(volatile FxU32* const sstAddr)
+{
+  return GR_GET(*sstAddr); 
+}
+
+#if FIFO_ASSERT_FULL
+const FxU32 kFifoCheckMask = 0xFFFF;
+FxU32 gFifoCheckCount = 0;
+#endif
+
+void FX_CALL
+_FifoMakeRoom(const FxI32 blockSize, const char* fName, const int fLine)
+{
+#define FN_NAME "_FifoMakeRoom"
+  FxU32 wrapAddr = 0x00UL;
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 400);
+
+  GR_ASSERT(blockSize > 0);
+  GR_ASSERT((FxU32)blockSize < gc->cmdTransportInfo.fifoSize);
+  FIFO_ASSERT();
+
+  /* Update the roomToXXX values w/ the # of writes since the last
+   * fifo stall/wrap.  
+   */
+  {
+    const FxI32 writes = (MIN(gc->cmdTransportInfo.roomToReadPtr, gc->cmdTransportInfo.roomToEnd) -
+                          gc->cmdTransportInfo.fifoRoom);
+    
+    gc->cmdTransportInfo.roomToReadPtr   -= writes;
+    gc->cmdTransportInfo.roomToEnd       -= writes;
+
+#if GDBG_INFO_ON
+    GDBG_INFO_MORE(gc->myLevel, ": (%s : %d)\n"
+                   "\tfifoBlock: (0x%X : 0x%X)\n"
+                   "\tfifoRoom: (0x%X : 0x%X) : (0x%X : 0x%X)\n"
+                   "\tfifo hw: (0x%X : 0x%X)\n",
+                   ((fName == NULL) ? "Unknown" : fName), fLine,
+                   (FxU32)gc->cmdTransportInfo.fifoPtr, blockSize,
+                   gc->cmdTransportInfo.roomToReadPtr, gc->cmdTransportInfo.roomToEnd, 
+                   gc->cmdTransportInfo.fifoRoom, writes,
+                   HW_FIFO_PTR(FXTRUE), gc->cmdTransportInfo.fifoRead);
+
+#if !GLIDE_INIT_HAL
+    if (gc->scanline_interleaved) {
+      SstRegs* slaveHw = (SstRegs*)gc->slave_ptr;
+
+      GDBG_INFO_MORE(gc->myLevel, "\tsli: 0x%X : (0x%X : 0x%X : 0x%X)\n",
+                     HW_FIFO_PTR(FXFALSE), 
+                     GR_GET(slaveHw->cmdFifoDepth), 
+                     GR_GET(slaveHw->cmdFifoHoles), 
+                     GR_GET(slaveHw->status));
+    }
+#endif /* !GLIDE_INIT_HAL */
+#endif /* GDBG_INFO_ON */
+
+    ASSERT_FAULT_IMMED((gc->cmdTransportInfo.roomToReadPtr >= 0) && 
+                       (gc->cmdTransportInfo.roomToEnd >= 0));
+  }
+
+again:
+  /* do we need to stall? */
+  {
+    FxU32 lastHwRead = gc->cmdTransportInfo.fifoRead;
+    FxI32 roomToReadPtr = gc->cmdTransportInfo.roomToReadPtr;
+
+    while (roomToReadPtr < blockSize) {
+      FxU32 curReadPtr = HW_FIFO_PTR(FXTRUE);
+      FxU32 curReadDist = curReadPtr - lastHwRead;
+
+      GR_ASSERT((curReadPtr >= (FxU32)gc->cmdTransportInfo.fifoStart) &&
+                (curReadPtr < (FxU32)gc->cmdTransportInfo.fifoEnd));
+
+#if !GLIDE_INIT_HAL
+      /* If we're in an sli configuration then we need to make sure
+       * that we don't catch up to either the slave as well.
+       */
+      if (gc->scanline_interleaved) {
+        const FxU32 slaveReadPtr = HW_FIFO_PTR(FXFALSE);
+        const FxU32 slaveReadDist = (slaveReadPtr - lastHwRead);
+        FxI32 distSlave = (FxI32)slaveReadDist;
+        FxI32 distMaster = (FxI32)curReadDist;
+
+        GR_ASSERT((slaveReadPtr >= (FxU32)gc->cmdTransportInfo.fifoStart) &&
+                  (slaveReadPtr < (FxU32)gc->cmdTransportInfo.fifoEnd));
+
+        /* Get the actual absolute distance to the respective fifo ptrs */
+        if (distSlave < 0) distSlave += (FxI32)gc->cmdTransportInfo.fifoSize - FIFO_END_ADJUST;
+        if (distMaster < 0) distMaster += (FxI32)gc->cmdTransportInfo.fifoSize - FIFO_END_ADJUST;
+
+        /* Is the slave closer than the master? */
+        if (distSlave < distMaster) {
+#if GDBG_INFO_ON  
+          {
+            SstRegs* slaveHw = (SstRegs*)gc->slave_ptr; 
+            GDBG_INFO(gc->myLevel, "  Wait sli: 0x%X : (0x%X : 0x%X : 0x%X)\n"
+                      "\tMaster: 0x%X : 0x%X\n"
+                      "\tSlave : 0x%X : 0x%X\n",
+                      HW_FIFO_PTR(FXFALSE), 
+                      GR_GET(slaveHw->cmdFifoDepth), 
+                      GR_GET(slaveHw->cmdFifoHoles), 
+                      GR_GET(slaveHw->status),
+                      curReadPtr, curReadDist,
+                      slaveReadPtr, slaveReadDist);
+          }
+#endif /* GDBG_INFO_ON */
+
+          curReadDist = slaveReadDist;
+          curReadPtr = slaveReadPtr;
+        }
+      }
+#endif /* !GLIDE_INIT_HAL */
+
+      roomToReadPtr += curReadDist;
+
+#if (GLIDE_PLATFORM & GLIDE_HW_CVG) && GLIDE_USE_DEBUG_FIFO
+      _GlideRoot.stats.fifoStalls++;
+      _GlideRoot.stats.fifoStallDepth += GR_GET(hw->cmdFifoDepth);
+#endif
+      /* Have we wrapped yet? */
+      if (lastHwRead > curReadPtr) roomToReadPtr += (FxI32)gc->cmdTransportInfo.fifoSize - FIFO_END_ADJUST;
+      lastHwRead = curReadPtr;
+    }
+
+    GR_ASSERT((lastHwRead >= (FxU32)gc->cmdTransportInfo.fifoStart) &&
+              (lastHwRead < (FxU32)gc->cmdTransportInfo.fifoEnd));
+
+    /* Update cached copies */
+    gc->cmdTransportInfo.fifoRead = lastHwRead;
+    gc->cmdTransportInfo.roomToReadPtr = roomToReadPtr;
+
+    GDBG_INFO(gc->myLevel, "  Wait: (0x%X : 0x%X) : 0x%X\n", 
+              gc->cmdTransportInfo.roomToReadPtr, gc->cmdTransportInfo.roomToEnd,
+              gc->cmdTransportInfo.fifoRead);
+  }
+  
+  /* Do we need to wrap to front? */
+  if (gc->cmdTransportInfo.roomToEnd <= blockSize) {
+    GDBG_INFO(gc->myLevel + 10, "  Pre-Wrap: (0x%X : 0x%X) : 0x%X\n", 
+              gc->cmdTransportInfo.roomToReadPtr, gc->cmdTransportInfo.roomToEnd,
+              gc->cmdTransportInfo.fifoRead);
+
+    /* Set the jsr packet. 
+     * NB: This command must be fenced.
+     */
+    FIFO_ASSERT();
+    {
+      SET(*gc->cmdTransportInfo.fifoPtr, gc->cmdTransportInfo.fifoJmpHdr);
+      P6FENCE;
+    }
+    FIFO_ASSERT();
+    
+    wrapAddr = (FxU32)gc->cmdTransportInfo.fifoPtr;
+
+    /* Update roomXXX fields for the actual wrap */
+    gc->cmdTransportInfo.roomToReadPtr -= gc->cmdTransportInfo.roomToEnd;
+    gc->cmdTransportInfo.roomToEnd = gc->cmdTransportInfo.fifoSize - FIFO_END_ADJUST;
+
+#if (GLIDE_PLATFORM & GLIDE_HW_CVG) && GLIDE_USE_DEBUG_FIFO
+    _GlideRoot.stats.fifoWraps++;
+    _GlideRoot.stats.fifoWrapDepth += GR_GET(hw->cmdFifoDepth);
+#endif
+
+    /* Reset fifo ptr to start */ 
+    gc->cmdTransportInfo.fifoPtr = gc->cmdTransportInfo.fifoStart;
+
+#if GLIDE_USE_SHADOW_FIFO
+    {
+      FxU32* fifoPtr = gc->cmdTransportInfo.fifoShadowPtr;
+
+      while(fifoPtr < gc->cmdTransportInfo.fifoShadowBase + (kDebugFifoSize >> 2)) 
+        *fifoPtr++ = 0x00UL;
+      gc->cmdTransportInfo.fifoShadowPtr = gc->cmdTransportInfo.fifoShadowBase;
+    }
+#endif /* GLIDE_USE_SHADOW_FIFO */
+
+    GDBG_INFO(gc->myLevel + 10, "  Post-Wrap: (0x%X : 0x%X) : 0x%X\n", 
+              gc->cmdTransportInfo.roomToReadPtr, gc->cmdTransportInfo.roomToEnd,
+              gc->cmdTransportInfo.fifoRead);
+
+    goto again;
+  }
+  
+  /* compute room left */
+  gc->cmdTransportInfo.fifoRoom = MIN(gc->cmdTransportInfo.roomToReadPtr, gc->cmdTransportInfo.roomToEnd);
+
+#if GDBG_INFO_ON  
+#if (GLIDE_PLATFORM & GLIDE_HW_CVG)
+  GDBG_INFO(gc->myLevel, FN_NAME"_Done:\n"
+            "\tfifoBlock: (0x%X : 0x%X)\n"
+            "\tfifoRoom: (0x%X : 0x%X : 0x%X)\n"
+            "\tfifo hw: (0x%X : 0x%X) : (0x%X : 0x%X : 0x%X)\n",
+            (FxU32)gc->cmdTransportInfo.fifoPtr, blockSize,
+            gc->cmdTransportInfo.roomToReadPtr, 
+            gc->cmdTransportInfo.roomToEnd, gc->cmdTransportInfo.fifoRoom,
+            HW_FIFO_PTR(FXTRUE), gc->cmdTransportInfo.fifoRead, 
+            GR_GET(hw->cmdFifoDepth), GR_GET(hw->cmdFifoHoles), GR_GET(hw->status));
+#endif
+
+#if !GLIDE_INIT_HAL
+  if (gc->scanline_interleaved) {
+    SstRegs* slaveHw = (SstRegs*)gc->slave_ptr;
+    
+    GDBG_INFO_MORE(gc->myLevel, "\tsli: 0x%X : (0x%X : 0x%X : 0x%X)\n",
+                   HW_FIFO_PTR(FXFALSE), 
+                   GR_GET(slaveHw->cmdFifoDepth), 
+                   GR_GET(slaveHw->cmdFifoHoles), 
+                   GR_GET(slaveHw->status));
+  }
+#endif /* !GLIDE_INIT_HAL */
+#endif /* GDBG_INFO_ON */
+  
+  FIFO_ASSERT();
+  GR_TRACE_EXIT(FN_NAME);
+#undef FN_NAME
+}
+
+extern void
+_grGetCommandTransportInfo(GrCmdTransportInfo* info)
+{
+  GR_DCL_GC;
+
+  GR_ASSERT(info != NULL);
+  *info = gc->cmdTransportInfo;
+}
+
+#endif /* USE_PACKET_FIFO */

glide2x/cvg/glide/src/fpu.c

@@ -0,0 +1,85 @@
+/*
+ * FPU handling code
+ *
+ * $Id$
+ *
+ */
+
+/*
+ * This routine sets the precision to single which effects all
+ * adds, mults, and divs.
+ */
+#if defined(__i386__) || defined(__x86_64__)
+void single_precision_asm()
+{
+#if defined(__MSC__)
+  __asm {
+    push  eax       ; make room
+    fnclex          ; clear pending exceptions
+    fstcw WORD PTR [esp]
+    mov   eax, DWORD PTR [esp]
+    and   eax, 0000fcffh  ; clear bits 9:8
+    mov   DWORD PTR [esp], eax
+    fldcw WORD PTR [esp]
+    pop   eax
+    }
+#elif defined(__GNUC__)
+  asm("push %eax\n"
+      "fnclex\n"
+      "fstcw (%esp)\n"
+      "movl (%esp), %eax\n"
+      "and $0x0000fcff, %eax\n"
+      "movl %eax, (%esp)\n"
+      "fldcw (%esp)\n"
+      "pop %eax");
+#else
+#error "Need to implement single_precision_asm() for this compiler"
+#endif
+}
+#else
+#warning "Using a stub for single_precision_asm() for this architecture"
+void single_precision_asm()
+{
+}
+#endif
+
+/*
+ * This routine sets the precision to double which effects all
+ * adds, mults, and divs.
+ */
+#if defined(__i386__) || defined(__x86_64__)
+void double_precision_asm()
+{
+#if defined(__MSC__)
+  __asm {
+    push  eax       ; make room
+    fnclex          ; clear pending exceptions
+    fstcw WORD PTR [esp]
+    mov   eax, DWORD PTR [esp]
+    and   eax, 0000fcffh  ; clear bits 9:8
+    or    eax, 000002ffh  ; set 9:8 to 10
+    mov   DWORD PTR [esp], eax
+    fldcw WORD PTR [esp]
+    pop   eax
+    }
+#elif defined(__GNUC__)
+  asm("push %eax\n"
+      "fnclex\n"
+      "fstcw (%esp)\n"
+      "movw (%esp), %eax\n"
+      "and $0x0000fcff, %eax\n"
+      "or $0x000002ff, %eax\n"
+      "mov %eax, (%esp)\n"
+      "fldcw (%esp)\n"
+      "pop %eax");
+#else
+#error "Need to implement double_precision_asm() for this compiler"
+#endif
+}
+#else
+#warning "Using a stub for double_precision_asm() for this architecture"
+void double_precision_asm()
+{
+}
+#endif
+

glide2x/cvg/glide/src/fxbldno.c

@@ -0,0 +1,52 @@
+/*
+ * THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ * PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ * TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ * INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ * DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ * THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ * FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ * 
+ * USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ * RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ * TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ * AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ * SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ * THE UNITED STATES.  
+ * 
+ * COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ *
+ * $Header$
+ * $Log$
+ * 
+ * 1     7/25/97 9:05a Pgj
+ * generate fxbldno.h which defines BUILD_NUMBER
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+
+main(int argc, char **argv)
+{
+    struct tm	locTime;
+    time_t	sysTime;
+    char	*build;
+
+    time(&sysTime);
+    locTime = *localtime(&sysTime);
+
+    if (build = getenv("BUILD_NUMBER")) {
+	printf("#define BUILD_NUMBER	%s\n", build);
+    } else {
+	unsigned short magic;
+	magic = (locTime.tm_yday << 7) |
+	        (locTime.tm_hour << 2) |
+		(locTime.tm_min / 15);
+	printf("#define BUILD_NUMBER	%d\n", magic);
+    }
+    return 0;
+
+} /* end main() */

glide2x/cvg/glide/src/fxgasm.c

@@ -0,0 +1,184 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Revision$
+** $Date$
+*/
+
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+/*----------------------------------------------------------------------
+ * macros for creating assembler offset files
+ *----------------------------------------------------------------------*/
+
+#define NEWLINE printf("\n")
+#define COMMENT printf(";----------------------------------------------------------------------\n")
+
+#define HEADER(str)     NEWLINE; COMMENT; \
+                        printf("; Assembler offsets for %s struct\n",str);\
+                        COMMENT; NEWLINE
+
+#define OFFSET(p,o,pname) if (hex) \
+        printf("%s\tequ %08xh\n",pname,((int)&p.o)-(int)&p); \
+    else printf("%s\tequ %10d\n",pname,((int)&p.o)-(int)&p)
+
+#define OFFSET2(p,o,pname) if (hex) \
+        printf("%s\tequ %08xh\n",pname,((int)&o)-(int)&p); \
+    else printf("%s\tequ %10d\n",pname,((int)&o)-(int)&p)
+
+#define SIZEOF(p,pname) if (hex) \
+        printf("SIZEOF_%s\tequ %08lxh\n",pname,sizeof(p)); \
+    else printf("SIZEOF_%s\tequ %10ld\n",pname,sizeof(p))
+
+int
+main (int argc, char **argv)
+{
+    int hex=0;          /* default is print in decimal  */
+    static struct _GlideRoot_s gr;
+    static GrGC gc;
+
+#if !GLIDE_HW_TRI_SETUP
+    static SstRegs sst;
+    static struct dataList_s dl;
+#endif /* !GLIDE_HW_TRI_SETUP */
+
+    if (argc > 1) {
+      if (strcmp("-inline", argv[1]) == 0) {
+        SstRegs dummyRegs = { 0x00UL };
+
+        printf("#ifndef __FX_INLINE_H__\n");
+        printf("#define __FX_INLINE_H__\n");
+        printf("\n");
+
+#if GLIDE_DISPATCH_SETUP
+        printf("#define kCurGCOffset   0x%lXUL\n",
+               offsetof(struct _GlideRoot_s, curGC));
+
+        printf("#define kTriProcOffset 0x%lXUL\n",
+               offsetof(struct GrGC_s, curArchProcs.triSetupProc));
+	printf("#define kTriProcOffsetClean %d\n", 
+	       offsetof(struct GrGC_s, curArchProcs.triSetupProc));
+#endif /* GLIDE_DISPATCH_SETUP */
+        
+        printf("/* The # of 2-byte entries in the hw fog table */\n");
+        printf("#define kInternalFogTableEntryCount 0x%lXUL\n",
+               sizeof(dummyRegs.fogTable) >> 1);
+
+        printf("\n");
+        printf("#endif /* __FX_INLINE_H__ */\n");
+
+        return 0;
+      }
+
+      hex = 1;
+    }
+
+    HEADER ("SSTREGS");
+
+    NEWLINE;
+    HEADER ("GC");
+    OFFSET (gc,base_ptr,"base_ptr\t");
+    OFFSET (gc,reg_ptr,"reg_ptr\t\t");
+    OFFSET (gc,lfb_ptr,"lfb_ptr\t\t");
+    OFFSET (gc,tex_ptr,"tex_ptr\t\t");
+    OFFSET (gc,state.cull_mode,"cull_mode\t");
+    OFFSET (gc, regDataList,"regDataList\t");
+    OFFSET (gc, tsuDataList,"tsuDataList\t");
+    OFFSET (gc, cmdTransportInfo.triPacketHdr, "triPacketHdr");
+    OFFSET (gc, cmdTransportInfo.cullStripHdr, "cullStripHdr");
+    OFFSET (gc, cmdTransportInfo.paramMask, "paramMask");
+
+    OFFSET (gc, cmdTransportInfo.fifoStart, "fifoStart");
+    OFFSET (gc, cmdTransportInfo.fifoEnd, "fifoEnd");
+    OFFSET (gc, cmdTransportInfo.fifoOffset, "fifoOffset");
+    OFFSET (gc, cmdTransportInfo.fifoSize, "fifoSize");
+    OFFSET (gc, cmdTransportInfo.fifoJmpHdr, "fifoJmpHdr");
+    OFFSET (gc, cmdTransportInfo.fifoPtr, "fifoPtr");
+    OFFSET (gc, cmdTransportInfo.fifoRead, "fifoRead");
+
+    OFFSET (gc, cmdTransportInfo.fifoRoom, "fifoRoom");
+    OFFSET (gc, cmdTransportInfo.roomToReadPtr, "roomToReadPtr");
+    OFFSET (gc, cmdTransportInfo.roomToEnd, "roomToEnd");
+
+    OFFSET (gc, cmdTransportInfo.fifoLfbP, "fifoLfbP");
+    OFFSET (gc, cmdTransportInfo.lfbLockCount, "lfbLockCount");
+
+#if GLIDE_DISPATCH_SETUP
+    OFFSET (gc,curArchProcs.triSetupProc,"kTriProcOffset\t\t");
+#endif
+
+    SIZEOF (gr.GCs[0].state,"GrState\t");
+    SIZEOF (gr.hwConfig,"GrHwConfiguration");
+    SIZEOF (gr.GCs[0],"GC\t");
+    NEWLINE;
+
+    HEADER ("GlideRoot");
+    OFFSET (gr,p6Fencer,"p6Fencer\t");
+    OFFSET (gr,current_sst,"current_sst\t");
+    OFFSET (gr,CPUType,"CPUType\t\t");
+    OFFSET (gr,curGC,"curGC\t\t");
+    OFFSET (gr,curTriSize,"curTriSize\t");
+
+    OFFSET (gr,stats.trisProcessed,"trisProcessed\t");
+    OFFSET (gr,stats.trisDrawn,"trisDrawn\t");
+
+#if GLIDE_PACKED_RGB
+    OFFSET (gr, pool.ftemp1, "fTemp1");
+    OFFSET (gr, pool.ftemp2, "fTemp2");
+    OFFSET (gr, pool.fBiasHi,"fBiasHi");
+    OFFSET (gr, pool.fBiasLo,"fBiasLo");
+#endif /* (GLIDE_PLATFORM & GLIDE_HW_CVG) && GLIDE_PACKED_RGB */
+
+    SIZEOF (gr,"GlideRoot");
+    NEWLINE;
+
+    HEADER ("GrVertex");
+    {
+      GrVertex v;
+
+      OFFSET(v, x, "x");
+      OFFSET(v, y, "y");
+      OFFSET(v, r, "r");
+      OFFSET(v, g, "g");
+      OFFSET(v, b, "b");
+      OFFSET(v, a, "a");
+      SIZEOF(v, "GrVertex");
+    }
+    NEWLINE;
+
+#if !GLIDE_HW_TRI_SETUP
+    HEADER ("dataList");
+    OFFSET (dl,i,"dl_i\t\t");
+    OFFSET (dl,addr,"dl_addr\t\t");
+    SIZEOF (dl,"dataList\t");
+    NEWLINE;
+#endif /* !GLIDE_HW_TRI_SETUP */
+
+    return 0;
+}

glide2x/cvg/glide/src/fxsplash.h

@@ -0,0 +1,61 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log: 
+**  3    3dfx      1.0.1.0.1.0 10/11/00 Brent           Forced check in to enforce
+**       branching.
+**  2    3dfx      1.0.1.0     06/20/00 Joseph Kain     Changes to support the
+**       Napalm Glide open source release.  Changes include cleaned up offensive
+**       comments and new legal headers.
+**  1    3dfx      1.0         09/11/99 StarTeam VTS Administrator 
+** $
+** 
+** 1     2/19/99 5:50p Peter
+** type definitions for new splash screen
+*/
+
+#ifndef _FX_SPLASH_H_
+#define _FX_SPLASH_H_
+
+#include "3dfx.h"
+#define FX_DLL_DEFINITION
+#include "fxdll.h"
+#include "glide.h"
+
+typedef FxBool 
+(FX_CALL* GrSplashInitProc)(FxU32 hWnd,
+                            FxU32 screenWidth, FxU32 screenHeight,
+                            FxU32 numColBuf, FxU32 numAuxBuf,
+                            GrColorFormat_t colorFormat);
+
+typedef void
+(FX_CALL* GrSplashShutdownProc)(void);
+
+typedef void 
+(FX_CALL* GrSplashProc)(float x, float y,
+                        float w, float h,
+                        FxU32 frameNumber);
+
+typedef const void*
+(FX_CALL* GrSplashPlugProc)(FxU32* w, FxU32* h,
+                            FxI32* strideInBytes,
+                            GrLfbWriteMode_t* format);
+
+#endif /* _FX_SPLASH_H_ */

glide2x/cvg/glide/src/g3df.c

@@ -0,0 +1,562 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.1.1.1.2.2  2006/12/03 04:49:19  guillemj
+** Backport "sequence point" fix for string upper code from glide3x.
+**
+** Revision 1.1.1.1.2.1  2004/12/12 15:20:35  koolsmoky
+** use toupper for __MSC__
+**
+** Revision 1.1.1.1  1999/12/07 21:49:09  joseph
+** Initial checkin into SourceForge.
+**
+** 
+** 17    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+ * 
+ * 16    1/13/98 7:48p Atai
+ * fixed gu3dfGetInfo, grBufferClear, and GrState size
+ * 
+ * 15    1/13/98 12:42p Atai
+ * fixed grtexinfo, grVertexLayout, and draw triangle
+ * 
+ * 14    1/09/98 6:48p Atai
+ * grTexInfo, GR_LOD_* and GR_ASPECT_*
+ * 
+ * 12    12/17/97 4:45p Peter
+ * groundwork for CrybabyGlide
+ * 
+ * 11    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 10    6/06/97 5:56p Peter
+ * fixed gcc/dural compilation things
+ * 
+ * 9     6/02/97 4:09p Peter
+ * Compile w/ gcc for Dural
+ * 
+ * 8     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 7     5/21/97 6:05a Peter
+ * 
+ * 6     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+**
+*/
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <3dfx.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+#ifdef __linux__
+#include <ctype.h>
+#endif
+
+extern const int _grMipMapHostWH[GR_ASPECT_1x8 + 1][GR_LOD_1 + 1][2];
+extern FxU32 _gr_aspect_index_table[];
+extern FxU32 _grMipMapHostSize[4][16];
+
+static FxU16 ReadDataShort(FILE *);
+static FxU32 ReadDataLong(FILE *);
+static void  Read8Bit(FxU8 *dst, FILE *image, int small_lod, int large_lod, GrAspectRatio_t aspect);
+static void  Read16Bit(FxU16 *dst, FILE *image, int small_lod, int large_lod, GrAspectRatio_t aspect);
+
+#if ((GLIDE_PLATFORM & (GLIDE_OS_DOS32 | GLIDE_OS_WIN32 | GLIDE_OS_MACOS)) != 0)
+const char *openmode = "rb";
+#else
+const char *openmode = "r";
+#endif
+
+typedef struct
+{
+  const char        *name;
+  GrTextureFormat_t  fmt;
+  FxBool             valid;
+} CfTableEntry;
+
+
+static FxBool 
+_grGet3dfHeader(FILE* stream, char* const buffer, const FxU32 bufSize)
+{
+  int numLines = 0;
+  FxU32 bufPos = 0;
+  
+  while(numLines < 4) {
+    /* Handle stream errors */
+    if (fgets(buffer + bufPos, bufSize - bufPos, stream) == NULL) break;
+    bufPos += strlen(buffer + bufPos);
+    
+    /* fgets includes the '\n' in the buffer. If this is not there
+     * then the buffer is too small so fail.
+     */
+    if (*(buffer + bufPos - sizeof(char)) != '\n') break;
+    numLines++;
+  }
+
+  return (numLines == 4);
+}
+
+/*---------------------------------------------------------------------------
+** gu3dfGetInfo
+*/
+GR_DIENTRY(gu3dfGetInfo, FxBool,
+           (const char *FileName, Gu3dfInfo *Info))
+{
+  FILE *image_file;
+  FxU32 i;
+  char  version[5];
+  char  color_format[10];
+  int   aspect_width, aspect_height;
+  char  buffer[100];
+  int   small_lod, large_lod;
+  FxBool ratio_found = FXFALSE;
+  FxBool format_found = FXFALSE;
+  GrAspectRatio_t wh_aspect_table[] =
+  {
+    GR_ASPECT_1x1,
+    GR_ASPECT_1x2,
+    GR_ASPECT_1x4,
+    GR_ASPECT_1x8
+  };
+  GrAspectRatio_t hw_aspect_table[] =
+  {
+    GR_ASPECT_1x1,
+    GR_ASPECT_2x1,
+    GR_ASPECT_4x1,
+    GR_ASPECT_8x1
+  };
+  CfTableEntry cftable[] = 
+  {
+    { "I8",       GR_TEXFMT_INTENSITY_8,        FXTRUE },
+    { "A8",       GR_TEXFMT_ALPHA_8,            FXTRUE },
+    { "AI44",     GR_TEXFMT_ALPHA_INTENSITY_44, FXTRUE },
+    { "YIQ",      GR_TEXFMT_YIQ_422,            FXTRUE },
+    { "RGB332",   GR_TEXFMT_RGB_332,            FXTRUE },
+    { "RGB565",   GR_TEXFMT_RGB_565,            FXTRUE },
+    { "ARGB8332", GR_TEXFMT_ARGB_8332,          FXTRUE },
+    { "ARGB1555", GR_TEXFMT_ARGB_1555,          FXTRUE },
+    { "AYIQ8422", GR_TEXFMT_AYIQ_8422,          FXTRUE },
+    { "ARGB4444", GR_TEXFMT_ARGB_4444,          FXTRUE },
+    { "AI88",     GR_TEXFMT_ALPHA_INTENSITY_88, FXTRUE },
+    { "P8",       GR_TEXFMT_P_8,                FXTRUE },
+    { "AP88",     GR_TEXFMT_AP_88,              FXTRUE },
+    { 0, 0, FXFALSE }
+  };
+
+  GDBG_INFO(81,"gu3dfGetInfo(%s,0x%x)\n",FileName,Info);
+  /*
+  ** open the filen
+  */
+  if((image_file = fopen(FileName, openmode)) == NULL) return FXFALSE;
+  if (!_grGet3dfHeader(image_file, buffer, sizeof(buffer))) return FXFALSE;
+
+  /*
+  ** grab statistics out of the header
+  */
+  if(sscanf(buffer,"3df v%s %s lod range: %i %i aspect ratio: %i %i\n",
+            version,
+            color_format,
+            &small_lod, &large_lod,
+            &aspect_width, &aspect_height) == 0)
+    return FXFALSE;
+
+  /*
+  ** determine aspect ratio, height, and width
+  */
+  i = 0;
+  ratio_found = FXFALSE;
+  while ((i < 4) && (!ratio_found)) {
+    if ((aspect_width << i) == aspect_height) {
+      Info->header.aspect_ratio = wh_aspect_table[i];
+      ratio_found = FXTRUE;
+    }
+
+    i++;
+  }
+
+  i = 0;
+  while ((i < 4) && (!ratio_found)) {
+    if ((aspect_height << i) == aspect_width) {
+      Info->header.aspect_ratio = hw_aspect_table[i];
+      ratio_found = FXTRUE;
+    }
+
+    i++;
+  }
+  if (!ratio_found) return FXFALSE;
+
+  /*
+  ** determine height and width of the mip map
+  */
+  if (aspect_width >= aspect_height) {
+    Info->header.width  = large_lod;
+    Info->header.height = large_lod / aspect_width;
+  } else {
+    Info->header.height = large_lod;
+    Info->header.width  = large_lod / aspect_height;
+  }
+
+
+  /*
+  ** calculate proper LOD values
+  */
+  /*
+  ** note for glide3 lod translation:
+  ** we should return the new defines for glide3
+  */
+  switch (small_lod) {
+  case 1:
+    Info->header.small_lod = GR_LOD_1;
+    break;
+
+  case 2:
+    Info->header.small_lod = GR_LOD_2;
+    break;
+
+  case 4:
+    Info->header.small_lod = GR_LOD_4;
+    break;
+
+  case 8:
+    Info->header.small_lod = GR_LOD_8;
+    break;
+
+  case 16:
+    Info->header.small_lod = GR_LOD_16;
+    break;
+
+  case 32:
+    Info->header.small_lod = GR_LOD_32;
+    break;
+
+  case 64:
+    Info->header.small_lod = GR_LOD_64;
+    break;
+
+  case 128:
+    Info->header.small_lod = GR_LOD_128;
+    break;
+
+  case 256:
+    Info->header.small_lod = GR_LOD_256;
+    break;
+  }
+
+  switch (large_lod) {
+  case 1:
+    Info->header.large_lod = GR_LOD_1;
+    break;
+
+  case 2:
+    Info->header.large_lod = GR_LOD_2;
+    break;
+
+  case 4:
+    Info->header.large_lod = GR_LOD_4;
+    break;
+
+  case 8:
+    Info->header.large_lod = GR_LOD_8;
+    break;
+
+  case 16:
+    Info->header.large_lod = GR_LOD_16;
+    break;
+
+  case 32:
+    Info->header.large_lod = GR_LOD_32;
+    break;
+
+  case 64:
+    Info->header.large_lod = GR_LOD_64;
+    break;
+
+  case 128:
+    Info->header.large_lod = GR_LOD_128;
+    break;
+
+  case 256:
+    Info->header.large_lod = GR_LOD_256;
+    break;
+  }
+
+  /*
+  ** determine the color format of the input image
+  */
+  {
+    char *tempStr = (char*)color_format;
+    while (*tempStr != '\0') {
+          *tempStr = toupper(*tempStr);
+          tempStr++;
+    }
+  }
+
+  i = 0;
+  format_found = FXFALSE;
+  while ((cftable[i].name != 0) && (!format_found)) {
+    if (strcmp(color_format, cftable[i].name) == 0) {
+      Info->header.format = cftable[i].fmt;
+      format_found = FXTRUE;
+    }
+
+    i++;
+  }
+
+  /*
+  ** close the input file
+  */
+  if (image_file != NULL) fclose(image_file);
+
+  if (format_found) {
+    FxI32 lod;
+    Info->mem_required = 0;
+    for(lod = Info->header.large_lod; lod <= Info->header.small_lod; lod++) {
+      Info->mem_required += (_grMipMapHostSize[_gr_aspect_index_table[Info->header.aspect_ratio]]
+                             [lod] << (Info->header.format >= GR_TEXFMT_16BIT));
+    }
+  }
+
+  return format_found;
+}
+
+/*---------------------------------------------------------------------------
+** gu3dfLoad
+*/
+GR_DIENTRY(gu3dfLoad, FxBool, (const char *filename, Gu3dfInfo *info))
+{
+  FILE *image_file  = 0;
+  FxU32 index       = 0;
+  char  buffer[100] = "";
+
+  GDBG_INFO(81,"gu3dfLoad(%s,0x%x)\n",filename,info);
+  /*
+  ** open the file
+  */
+  if ((image_file = fopen(filename, openmode)) == NULL) return FXFALSE;
+  if (!_grGet3dfHeader(image_file, buffer, sizeof(buffer))) return FXFALSE;
+
+  /*
+  ** If necessary, read in the YIQ decompression table
+  */
+  if ((info->header.format == GR_TEXFMT_YIQ_422) ||
+      (info->header.format == GR_TEXFMT_AYIQ_8422))
+  {
+    /*
+    ** read in Y
+    */
+    for (index = 0; index < 16; index++)
+      info->table.nccTable.yRGB[index] = ((FxI16) ReadDataShort(image_file)) & 0xFF;
+
+    /*
+    ** read in I
+    */
+    for (index = 0; index < 4; index++) {
+      info->table.nccTable.iRGB[index][0] = ((FxI16) ReadDataShort(image_file)) & 0x1FF;
+      info->table.nccTable.iRGB[index][1] = ((FxI16) ReadDataShort(image_file)) & 0x1FF;
+      info->table.nccTable.iRGB[index][2] = ((FxI16) ReadDataShort(image_file)) & 0x1FF;
+    }
+
+    /*
+    ** read in Q
+    */
+    for (index = 0; index < 4; index++) {
+      info->table.nccTable.qRGB[index][0] = ((FxI16) ReadDataShort(image_file)) & 0x1FF;
+      info->table.nccTable.qRGB[index][1] = ((FxI16) ReadDataShort(image_file)) & 0x1FF;
+      info->table.nccTable.qRGB[index][2] = ((FxI16) ReadDataShort(image_file)) & 0x1FF;
+    }
+
+    /*
+    ** pack the table Y entries
+    */
+    for (index = 0; index < 4; index++) {
+      FxU32 packedvalue;
+
+      packedvalue  = ((FxU32) info->table.nccTable.yRGB[index*4+0]);
+      packedvalue |= ((FxU32) info->table.nccTable.yRGB[index*4+1]) << 8;
+      packedvalue |= ((FxU32) info->table.nccTable.yRGB[index*4+2]) << 16;
+      packedvalue |= ((FxU32) info->table.nccTable.yRGB[index*4+3]) << 24;
+                                           
+      info->table.nccTable.packed_data[index] = packedvalue;
+    }
+
+    /*
+    ** pack the table I entries
+    */
+    for (index = 0; index < 4; index++) {
+      FxU32 packedvalue;
+
+      packedvalue  = ((FxU32) info->table.nccTable.iRGB[index][0]) << 18;
+      packedvalue |= ((FxU32) info->table.nccTable.iRGB[index][1]) << 9;
+      packedvalue |= ((FxU32) info->table.nccTable.iRGB[index][2]) << 0;
+
+      info->table.nccTable.packed_data[index+4] = packedvalue;
+    }
+
+    /*
+    ** pack the table Q entries
+    */
+    for (index = 0; index < 4; index++) {
+      FxU32 packedvalue;
+
+      packedvalue  = ((FxU32) info->table.nccTable.qRGB[index][0]) << 18;
+      packedvalue |= ((FxU32) info->table.nccTable.qRGB[index][1]) << 9;;
+      packedvalue |= ((FxU32) info->table.nccTable.qRGB[index][2]) << 0;
+
+      info->table.nccTable.packed_data[index+8] = packedvalue;
+    }
+  }
+
+  /*
+  ** If necessary, read in the Palette
+  */
+  if ((info->header.format == GR_TEXFMT_P_8) ||
+      (info->header.format == GR_TEXFMT_AP_88)) {
+    FxU32 i;
+    for(i = 0; i < 256; i++)
+      info->table.palette.data[i] = ReadDataLong(image_file);
+  }
+
+  /*
+  ** Read in the image
+  */
+  switch (info->header.format)
+  {
+  case GR_TEXFMT_INTENSITY_8:
+  case GR_TEXFMT_ALPHA_8:
+  case GR_TEXFMT_ALPHA_INTENSITY_44:
+  case GR_TEXFMT_YIQ_422:
+  case GR_TEXFMT_RGB_332:
+  case GR_TEXFMT_P_8:
+    Read8Bit(info->data, image_file, 
+             info->header.small_lod, 
+             info->header.large_lod, 
+             info->header.aspect_ratio);
+    break;
+
+  case GR_TEXFMT_RGB_565:
+  case GR_TEXFMT_ARGB_8332:
+  case GR_TEXFMT_ARGB_1555:
+  case GR_TEXFMT_AYIQ_8422:
+  case GR_TEXFMT_ARGB_4444:
+  case GR_TEXFMT_ALPHA_INTENSITY_88:
+  case GR_TEXFMT_AP_88:
+    Read16Bit(info->data, image_file, 
+              info->header.small_lod,
+              info->header.large_lod,
+              info->header.aspect_ratio);
+    break;
+
+  default:
+    return FXFALSE;
+  }
+
+  /*
+  ** close the file
+  */
+  fclose(image_file);
+
+  return FXTRUE;
+}
+
+/*
+** Read8Bit
+**
+** Read in an 8-bit texture map, unpacked.
+*/
+static void 
+Read8Bit(FxU8 *data, FILE *image_file, 
+         int small_lod, int large_lod, 
+         GrAspectRatio_t aspect_ratio)
+{
+  int lod;
+  int width, height;
+
+  for (lod = large_lod; lod <= small_lod; lod++) {
+    width  = _grMipMapHostWH[aspect_ratio][lod][0];
+    height = _grMipMapHostWH[aspect_ratio][lod][1];
+
+    fread(data, sizeof(char), width*height, image_file);
+    data += width*height;
+  }
+}
+
+/*
+** Read16Bit
+**
+** Read in a 16-bit texture map, unpacked.
+*/
+static void Read16Bit(FxU16 *data, FILE *image_file, 
+                      int small_lod, int large_lod, 
+                      GrAspectRatio_t aspect_ratio)
+{
+  int index;
+  int lod;
+  int width, height;
+
+  for (lod = large_lod; lod <= small_lod; lod++) {
+    width  = _grMipMapHostWH[aspect_ratio][lod][0];
+    height = _grMipMapHostWH[aspect_ratio][lod][1];
+
+    for (index = 0; index < (width * height); index++) {
+      *data = ReadDataShort(image_file);
+      data++;
+    }
+  }
+}
+
+/*
+** FxU16 ReadDataShort
+*/
+static FxU16 ReadDataShort(FILE *fp)
+{
+  FxU16 b1 = (FxU16)getc(fp);
+  FxU16 b2 = (FxU16)getc(fp);
+  
+#define kShiftB1        8
+#define kShiftB2        0
+
+        return (((b1 & 0xFF) << kShiftB1) | ((b2 & 0xFF) << kShiftB2));
+}
+
+/*
+** ReadDataLong
+*/
+static FxU32 ReadDataLong(FILE *fp)
+{
+  FxU32 data;
+  FxU8 byte[4];
+
+  fread(byte, 4, 1, fp);
+  data = (((FxU32) byte[0]) << 24) |
+    (((FxU32) byte[1]) << 16) |
+    (((FxU32) byte[2]) <<  8) |
+    ((FxU32) byte[3]);
+
+  return data;
+}
+
+
+

glide2x/cvg/glide/src/gbanner.c

@@ -0,0 +1,170 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 17    1/05/98 6:06p Atai
+ * glide extension stuff
+ * 
+ * 16    12/15/97 5:52p Atai
+ * disable obsolete glide2 api for glide3
+ * 
+ * 15    11/18/97 4:36p Peter
+ * make thing more translucent
+ * 
+ * 14    9/15/97 7:31p Peter
+ * more cmdfifo cleanup, fixed normal buffer clear, banner in the right
+ * place, lfb's are on, Hmmmm.. probably more
+ * 
+ * 13    7/26/97 3:04p Peter
+ * gratuitous plug is translucent
+ * 
+ * 12    7/08/97 2:48p Peter
+ * shameless plug just uses lfb routines
+ * 
+ * 11    5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 10    5/21/97 6:05a Peter
+ * 
+ * 9     5/02/97 2:08p Pgj
+ * screen_width/height now FxU32
+ * 
+ * 8     3/16/97 2:24a Jdt
+ * Fixed bug.  Didn't initialize info.
+ * 
+ * 7     3/12/97 11:51p Jdt
+ * Watcom warning.
+ * 
+ * 6     3/12/97 4:20p Jdt
+ * Fixed for VG96 and optimized SST-1
+ * 
+ * 5     2/26/97 11:55a Jdt
+ * Updated banner for new lfb api
+ * 
+ * 4     12/23/96 1:37p Dow
+ * chagnes for multiplatform glide
+**
+*/
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+#ifdef GLIDE_PLUG
+#include "banner.inc"
+#endif
+
+/* display the translucent 3Dfx powerfield logo */
+void
+_grShamelessPlug(void)
+{
+#ifdef GLIDE_PLUG
+  GrState state;
+
+  GR_BEGIN_NOFIFOCHECK("_grShamelessPlug", 80);
+  GDBG_INFO_MORE(gc->myLevel, "()\n");
+
+  grGlideGetState(&state);
+  grDisableAllEffects();
+
+  grAlphaCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                 GR_COMBINE_FACTOR_ONE,
+                 GR_COMBINE_LOCAL_CONSTANT,
+                 GR_COMBINE_OTHER_TEXTURE, FXFALSE);
+  grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                 GR_COMBINE_FACTOR_ONE,
+                 GR_COMBINE_LOCAL_NONE,
+                 GR_COMBINE_OTHER_TEXTURE,
+                 FXFALSE);
+  grAlphaBlendFunction(GR_BLEND_SRC_ALPHA,
+                       GR_BLEND_ONE_MINUS_SRC_ALPHA,
+                       GR_BLEND_ZERO, GR_BLEND_ZERO);
+  grClipWindow(0, 0,
+               gc->state.screen_width - 1,
+               gc->state.screen_height - 1); 
+  grDepthMask(FXFALSE);
+  grDepthBufferFunction(GR_CMP_ALWAYS);
+  grDepthBufferMode(GR_DEPTHBUFFER_DISABLE);
+  
+#if defined(GLIDE3) && defined(GLIDE3_ALPHA)
+  _grChromaRangeExt(0x0000, 0x0000, GR_CHROMARANGE_RGB_ALL);
+#else
+  grChromakeyValue(0x0000);
+#endif
+
+  grChromakeyMode(GR_CHROMAKEY_ENABLE);
+  grLfbConstantAlpha((FxU8) 0x40);
+  grLfbWriteColorFormat(GR_COLORFORMAT_ARGB);
+
+#if 1
+  /* NB: The banner image is actually upside down. Hence the
+   * negative stride and starting address calculation.
+   */
+  _grLfbWriteRegion(FXTRUE, GR_BUFFER_BACKBUFFER,
+                    gc->state.screen_width - (banner_width + 1), 
+                    gc->state.screen_height - (banner_height + 1),
+                    GR_LFBWRITEMODE_565,
+                    banner_width, banner_height,
+                    -(banner_width << 1),
+                    banner_data + (banner_width * (banner_height - 1)));  
+#else
+  {
+    const FxI32 maxY = gc->state.screen_height - (banner_height + 1);
+    const FxI32 maxX = gc->state.screen_width - (banner_width + 1);
+    static FxI32 y = 0;
+    static FxI32 x = 0;
+    static FxI32 plugDir;
+
+    {
+      const FxI32* maxP;
+      const FxI32* valP;
+
+      if (maxX > maxY) {
+        maxP = &maxY;
+        valP = &y;
+      } else {
+        maxP = &maxX;
+        valP = &x;
+      }
+
+      if (*valP == 0) plugDir = 1;
+      else if (*valP >= *maxP) plugDir = -1;
+    }
+
+    _grLfbWriteRegion(FXTRUE, GR_BUFFER_BACKBUFFER,
+                      x += plugDir,
+                      y += plugDir,
+                      GR_LFBWRITEMODE_565,
+                      banner_width, banner_height,
+                      -(banner_width << 1),
+                      banner_data + (banner_width * (banner_height - 1)));
+  }
+#endif
+
+  grGlideSetState(&state);
+
+  GR_END();
+#endif /* GLIDE_PLUG */
+} /* _grShamelessPlug */
+

glide2x/cvg/glide/src/gerror.c

@@ -0,0 +1,281 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+**
+** $Header$
+** $Log$
+** Revision 1.1.1.1  1999/12/07 21:49:10  joseph
+** Initial checkin into SourceForge.
+**
+** 
+** 28    3/14/98 1:07p Peter
+** mac port happiness
+** 
+** 27    2/11/98 5:23p Peter
+** no more infinite recursion
+ * 
+ * 26    12/18/97 2:13p Peter
+ * cleaned up the error code
+ * 
+ * 25    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 24    12/05/97 4:38p Peter
+ * sli vs assertions
+ * 
+ * 23    12/03/97 11:34a Peter
+ * dos debugging
+ * 
+ * 22    11/17/97 4:55p Peter
+ * watcom warnings/chipfield stuff
+ * 
+ * 21    11/15/97 8:55p Peter
+ * Removed OutputDebugString
+ * 
+ * 20    11/15/97 7:43p Peter
+ * more comdex silliness
+ * 
+ * 19    11/12/97 2:27p Peter
+ * 
+ * 18    11/12/97 11:16a Peter
+ * cleaned up assertions
+ * 
+ * 17    11/04/97 5:04p Peter
+ * cataclysm part deux
+ * 
+ * 16    11/03/97 4:02p Peter
+ * cataclysm fix
+ * 
+ * 15    11/03/97 3:43p Peter
+ * h3/cvg cataclysm
+ * 
+ * 14    10/23/97 5:28p Peter
+ * sli fifo thing
+ * 
+ * 13    9/24/97 1:29p Peter
+ * more assertion spewage
+ * 
+ * 12    9/05/97 5:29p Peter
+ * changes for direct hw
+ * 
+ * 11    5/30/97 5:44p Peter
+ * Version that does basic triangles/registers w/ command fifo. Does not
+ * currently download textures correctly.
+ * 
+ * 10    5/28/97 9:05a Peter
+ * Merge w/ latest glide changes
+ * 
+ * 9     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 8     5/21/97 6:05a Peter
+ * 
+ * 7     5/20/97 9:47a Pgj
+ * Use OutputDebugString for non-fatal errors under windows
+ * 
+ * 6     5/19/97 7:35p Pgj
+ * Print cogent error message if h/w not found
+ * 
+ * 5     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+ * 
+ * 4     12/23/96 1:37p Dow
+ * chagnes for multiplatform glide
+**
+*/
+#include <stdio.h>
+#ifdef __DOS__
+#  include <malloc.h>
+#endif
+
+#ifdef __WIN32__
+#  include <windows.h>
+#endif
+
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+void (*GrErrorCallback)( const char *string, FxBool fatal );
+
+void _doGrErrorCallback( const char *name, const char *msg, FxBool fatal )
+{
+  char buf[1024];
+
+#if GDBG_INFO_ON
+  /* Neuter any fifo checking from the failing
+   * call. Otherwise entries into the shutdown
+   * calls cause spurious crap.
+   */
+  if (fatal) {
+    GR_DCL_GC;
+
+    gc->checkCounter     =
+    gc->expected_counter = 0;
+
+    gc->checkCounter =
+    gc->checkPtr     = 0UL;
+  }
+#endif /* GDBG_INFO_ON */
+
+  gdbg_printf("%s: %s.\n", name, msg);
+  sprintf(buf,"%s: %s.\n", name, msg);
+  GrErrorCallback(buf, fatal);
+
+  if (fatal) exit(1);
+}
+
+GR_DIENTRY(grErrorSetCallback, void,
+           ( void (*function) ( const char *string, FxBool fatal ) ))
+{
+  GDBG_INFO(80,"grErrorSetCallback(0x%x)",function);
+  GrErrorCallback = function;
+}
+
+#ifdef __WIN32__
+void
+_grErrorWindowsCallback( const char *s, FxBool fatal )
+{
+  if ( fatal ) {
+    GDBG_ERROR("glide", s);
+    grGlideShutdown();
+    MessageBox(NULL, s, NULL, MB_OK);
+  }
+}
+#endif
+
+void
+_grErrorDefaultCallback( const char *s, FxBool fatal )
+{
+  if ( fatal ) {
+    GDBG_ERROR("glide",s);
+    grGlideShutdown();
+
+#if (GLIDE_PLATFORM & GLIDE_OS_MACOS)
+		{
+			Str255 errBuf;
+			
+			errBuf[0] = sprintf((char*)(errBuf + 1), "%s", s);
+			DebugStr(errBuf);
+		}
+#endif /* (GLIDE_PLATFORM * GLIDE_OS_MACOS) */
+  }
+}
+
+#ifdef __DOS__
+int _guHeapCheck( void )
+{
+  int i = _heapchk();
+
+  if ( i != _HEAPOK )
+    printf( "heapchk: %d\n", i );
+
+  return ( i == 0 );
+}
+#endif
+
+void
+_grAssert(char *exp, char *fileName, int lineNo)
+{
+  GR_DCL_GC;
+  GR_DCL_HW;
+
+  /* No recursive re-entry thank you very much */
+  {
+    static FxBool inProcP = FXFALSE;
+    if (inProcP) return;
+    inProcP = FXTRUE;
+  }
+
+  /* dpc - 28 may 1997 - FixMe!
+   * What to do here?
+   */
+#if GLIDE_INIT_HAL
+
+#else /* !GLIDE_INIT_HAL */
+  /* initRestoreVideo(); */
+  sst1InitShutdown(gc->base_ptr);
+#endif /* !GLIDE_INIT_HAL */
+
+  gdbg_printf("ASSERTION FAILED:\n");
+  gdbg_printf("\tExpression:   %s\n", exp);
+  gdbg_printf("\tFile:         %s\n", fileName);
+  gdbg_printf("\tLine:         %d\n", lineNo);
+
+#if (GLIDE_PLATFORM & GLIDE_HW_CVG) && USE_PACKET_FIFO
+  /* Spew about the state of the fifo since that's what most of the
+   * assertions are about anyway.  
+   */
+  {    
+    gdbg_printf("Command Fifo:\n");
+    gdbg_printf("\tfifoPtr:    0x%X\n"
+                "\tfifoParams: 0x%X : (0x%X : 0x%X)\n"
+                "\tfifoRoom:  0x%X : (0x%X : 0x%X)\n"
+                "\tfifo hw: (0x%X : 0x%X) : (0x%X : 0x%X : 0x%X)\n"
+                "\tStatus: 0x%X\n",
+                gc->cmdTransportInfo.fifoPtr,
+                gc->cmdTransportInfo.fifoStart, gc->cmdTransportInfo.fifoEnd,
+                gc->cmdTransportInfo.fifoSize, 
+                gc->cmdTransportInfo.fifoRoom, 
+                gc->cmdTransportInfo.roomToReadPtr, gc->cmdTransportInfo.roomToEnd,
+                HW_FIFO_PTR(FXTRUE), gc->cmdTransportInfo.fifoRead, 
+                GR_GET(hw->cmdFifoDepth), GR_GET(hw->cmdFifoHoles), GR_GET(hw->cmdFifoBase),
+                GR_GET(hw->status));
+
+#if !GLIDE_INIT_HAL
+    if (gc->scanline_interleaved) {
+      SstRegs* slaveHw = (SstRegs*)gc->slave_ptr;
+      slaveHw = slaveHw;	// FIXME: Below might not exist. *sigh*
+      
+      GDBG_INFO_MORE(gc->myLevel, "\tsli: 0x%X : (0x%X : 0x%X : 0x%X)\n",
+                     HW_FIFO_PTR(FXFALSE), 
+                     GR_GET(slaveHw->cmdFifoDepth), 
+                     GR_GET(slaveHw->cmdFifoHoles), 
+                     GR_GET(slaveHw->status));
+    }
+#endif /* !GLIDE_INIT_HAL */
+
+#if GLIDE_USE_SHADOW_FIFO
+    if (gc->cmdTransportInfo.fifoShadowBase != NULL) {
+      const FxU32* fifoPtr = gc->cmdTransportInfo.fifoShadowBase;
+
+      GDBG_PRINTF("Shadow Fifo: 0x%X\n", gc->cmdTransportInfo.fifoShadowPtr);
+
+#if 0
+      while(fifoPtr != gc->cmdTransportInfo.fifoShadowPtr) GDBG_PRINTF("0x%X\n", *fifoPtr++);
+      GDBG_PRINTF("\n");
+
+      GDBG_PRINTF("Up to fifo wrap: \n");
+      while(fifoPtr < gc->cmdTransportInfo.fifoShadowBase + (kDebugFifoSize >> 2)) 
+        GDBG_PRINTF("0x%X\n", *fifoPtr++);
+#endif
+
+      free(gc->cmdTransportInfo.fifoShadowBase);
+    }
+#endif /* GLIDE_USE_SHADOW_FIFO */
+  }
+#endif /* (GLIDE_PLATFORM & GLIDE_HW_CVG) && USE_PACKET_FIFO */
+
+  gdbg_printf("ABNORMAL TERMINATION\n");
+
+  exit(-1);
+
+} /* _grAssert */

glide2x/cvg/glide/src/glide.rc

@@ -0,0 +1,78 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.1.1.1.2.1  2004/12/12 15:29:44  koolsmoky
+** cosmetics
+**
+** Revision 1.1.1.1  1999/12/07 21:49:10  joseph
+** Initial checkin into SourceForge.
+**
+*/
+
+#define OFFICIAL   1 
+#define FINAL      1 
+
+#include <fxver.h>
+#include "rcver.h"
+//#include "fxbldno.h"
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+#ifndef GLIDE3
+#define VERSIONNAME             "glide2x.dll\0"
+#else
+#define VERSIONNAME             "glide3x.dll\0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION MANVERSION, MANREVISION, 0, BUILD_NUMBER
+ PRODUCTVERSION MANVERSION, MANREVISION, 0, BUILD_NUMBER
+ FILEFLAGSMASK 0x0030003FL
+ FILEFLAGS (VER_PRIVATEBUILD|VER_PRERELEASE|VER_DEBUG)
+
+ FILEOS VOS_DOS_WINDOWS32
+ FILETYPE VFT_DRV
+ FILESUBTYPE VFT2_DRV_INSTALLABLE
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904E4"
+        BEGIN
+            VALUE "CompanyName", "3Dfx Interactive, Inc.\0"
+            VALUE "FileDescription", "3Dfx Interactive, Inc. Glide DLL\0"
+            VALUE "FileVersion", VERSIONSTR
+            VALUE "InternalName", VERSIONNAME
+            VALUE "LegalCopyright", "Copyright \251 3Dfx Interactive, Inc. 2004\0"
+            VALUE "OriginalFilename", VERSIONNAME
+            VALUE "ProductName", PRODNAME
+            VALUE "ProductVersion", VERSIONSTR
+            VALUE "Graphics Subsystem", HWSTR
+            VALUE "Contact", "The Glide Open Source Project http://glide.sourceforge.net/"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        /* the following line should be extended for localized versions */
+        VALUE "Translation", 0x409, 1252
+    END
+END

glide2x/cvg/glide/src/glidesys.h

@@ -0,0 +1,131 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 10    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 9     11/04/97 4:00p Dow
+ * Banshee Mods
+ * 
+ * 8     8/18/97 3:52p Peter
+ * pre-hw arrival fixes/cleanup
+ * 
+ * 7     6/02/97 4:09p Peter
+ * Compile w/ gcc for Dural
+ * 
+ * 6     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 5     5/21/97 6:05a Peter
+*/
+#ifndef __GLIDESYS_H__
+#define __GLIDESYS_H__
+
+/*
+n** -----------------------------------------------------------------------
+** COMPILER/ENVIRONMENT CONFIGURATION
+** -----------------------------------------------------------------------
+*/
+
+/* Endianness is stored in bits [30:31] */
+#define GLIDE_ENDIAN_SHIFT      30
+#define GLIDE_ENDIAN_LITTLE     (0x1 << GLIDE_ENDIAN_SHIFT)
+#define GLIDE_ENDIAN_BIG        (0x2 << GLIDE_ENDIAN_SHIFT)
+
+/* OS is stored in bits [0:6] */
+#define GLIDE_OS_SHIFT          0
+#define GLIDE_OS_UNIX           0x1
+#define GLIDE_OS_DOS32          0x2
+#define GLIDE_OS_WIN32          0x4
+#define GLIDE_OS_MACOS          0x8
+#define GLIDE_OS_OS2            0x10
+#define GLIDE_OS_OTHER          0x40 /* For Proprietary Arcade HW */
+
+#define GLIDE_SST_SHIFT         7
+#define GLIDE_SST_HW            (0x2 << GLIDE_SST_SHIFT)
+
+/* Hardware Type is stored in bits [9:13] */
+#define GLIDE_HW_SHIFT          9
+#define GLIDE_HW_SST1           (0x1 << GLIDE_HW_SHIFT)
+#define GLIDE_HW_SST96          (0x2 << GLIDE_HW_SHIFT)
+#define GLIDE_HW_H3             (0x4 << GLIDE_HW_SHIFT)
+#define GLIDE_HW_CVG            (0x10 << GLIDE_HW_SHIFT)
+
+/*
+** Make sure we handle all instances of WIN32
+*/
+#ifndef __WIN32__
+#  if defined (_WIN32) || defined (WIN32) || defined(__NT__)
+#    define __WIN32__
+#  endif
+#endif
+
+/* We need two checks on the OS: one for endian, the other for OS */
+/* Check for endianness */
+#if defined(__IRIX__) || defined(__sparc__) || defined(MACOS)
+#  define GLIDE_ENDIAN    GLIDE_ENDIAN_BIG
+#else
+#  define GLIDE_ENDIAN    GLIDE_ENDIAN_LITTLE
+#endif
+
+/* Check for OS */
+#if defined(__IRIX__) || defined(__sparc__) || defined(__linux__)
+#  define GLIDE_OS        GLIDE_OS_UNIX
+#elif defined(__DOS__)
+#  define GLIDE_OS        GLIDE_OS_DOS32
+#elif defined(__WIN32__)
+#  define GLIDE_OS        GLIDE_OS_WIN32
+#elif defined(macintosh)
+#  define GLIDE_OS        GLIDE_OS_MACOS
+#else
+#error "Unknown OS"
+#endif
+
+#define GLIDE_SST       GLIDE_SST_HW
+
+/* Check for type of hardware */
+#ifdef SST96
+#  define GLIDE_HW        GLIDE_HW_SST96
+#elif defined(H3)
+#  define GLIDE_HW        GLIDE_HW_H3
+#elif defined(CVG)
+#  define GLIDE_HW        GLIDE_HW_CVG
+#else /* Default to SST1 */
+#  define GLIDE_HW        GLIDE_HW_SST1
+#endif
+
+
+#define GLIDE_PLATFORM (GLIDE_ENDIAN | GLIDE_OS | GLIDE_SST | GLIDE_HW)
+
+/*
+** Control the number of TMUs
+*/
+#ifndef GLIDE_NUM_TMU
+#  define GLIDE_NUM_TMU 2
+#endif
+
+
+#if ((GLIDE_NUM_TMU < 0) && (GLIDE_NUM_TMU > 3))
+#  error "GLIDE_NUM_TMU set to an invalid value"
+#endif
+
+#endif /* __GLIDESYS_H__ */

glide2x/cvg/glide/src/glideutl.h

@@ -0,0 +1,186 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 11    1/07/98 11:18a Atai
+ * remove GrMipMapInfo and GrGC.mm_table in glide3
+ * 
+ * 10    1/06/98 6:47p Atai
+ * undo grSplash and remove gu routines
+ * 
+ * 9     1/05/98 6:04p Atai
+ * move 3df gu related data structure from glide.h to glideutl.h
+ * 
+ * 8     12/18/97 2:13p Peter
+ * fogTable cataclysm
+ * 
+ * 7     12/15/97 5:52p Atai
+ * disable obsolete glide2 api for glide3
+ * 
+ * 6     8/14/97 5:32p Pgj
+ * remove dead code per GMT
+ * 
+ * 5     6/12/97 5:19p Pgj
+ * Fix bug 578
+ * 
+ * 4     3/05/97 9:36p Jdt
+ * Removed guFbWriteRegion added guEncodeRLE16
+ * 
+ * 3     1/16/97 3:45p Dow
+ * Embedded fn protos in ifndef FX_GLIDE_NO_FUNC_PROTO 
+*/
+
+/* Glide Utility routines */
+
+#ifndef __GLIDEUTL_H__
+#define __GLIDEUTL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(GLIDE3) && defined(GLIDE3_ALPHA)
+/*
+** 3DF texture file structs
+*/
+
+typedef struct
+{
+  FxU32               width, height;
+  int                 small_lod, large_lod;
+  GrAspectRatio_t     aspect_ratio;
+  GrTextureFormat_t   format;
+} Gu3dfHeader;
+
+typedef struct
+{
+  FxU8  yRGB[16];
+  FxI16 iRGB[4][3];
+  FxI16 qRGB[4][3];
+  FxU32 packed_data[12];
+} GuNccTable;
+
+typedef struct {
+    FxU32 data[256];
+} GuTexPalette;
+
+typedef union {
+    GuNccTable   nccTable;
+    GuTexPalette palette;
+} GuTexTable;
+
+typedef struct
+{
+  Gu3dfHeader  header;
+  GuTexTable   table;
+  void        *data;
+  FxU32        mem_required;    /* memory required for mip map in bytes. */
+} Gu3dfInfo;
+
+#endif
+
+#ifndef FX_GLIDE_NO_FUNC_PROTO
+/*
+** rendering functions
+*/
+
+#ifndef GLIDE3_ALPHA
+FX_ENTRY void FX_CALL
+guAADrawTriangleWithClip( const GrVertex *a, const GrVertex
+                         *b, const GrVertex *c);
+
+FX_ENTRY void FX_CALL
+guDrawTriangleWithClip(
+                       const GrVertex *a,
+                       const GrVertex *b,
+                       const GrVertex *c
+                       );
+
+FX_ENTRY void FX_CALL
+guDrawPolygonVertexListWithClip( int nverts, const GrVertex vlist[] );
+
+/*
+** hi-level rendering utility functions
+*/
+FX_ENTRY void FX_CALL
+guAlphaSource( GrAlphaSource_t mode );
+
+FX_ENTRY void FX_CALL
+guColorCombineFunction( GrColorCombineFnc_t fnc );
+
+FX_ENTRY int FX_CALL
+guEncodeRLE16( void *dst, 
+               void *src, 
+               FxU32 width, 
+               FxU32 height );
+
+FX_ENTRY FxU16 * FX_CALL
+guTexCreateColorMipMap( void );
+#endif /* !GLIDE3_ALPHA */
+
+#ifdef GLIDE3
+FX_ENTRY void FX_CALL 
+guGammaCorrectionRGB( FxFloat red, FxFloat green, FxFloat blue );
+#endif
+
+/*
+** fog stuff
+*/
+FX_ENTRY float FX_CALL
+guFogTableIndexToW( int i );
+
+FX_ENTRY void FX_CALL
+guFogGenerateExp( GrFog_t fogtable[], float density );
+
+FX_ENTRY void FX_CALL
+guFogGenerateExp2( GrFog_t fogtable[], float density );
+
+FX_ENTRY void FX_CALL
+guFogGenerateLinear(GrFog_t fogtable[],
+                    float nearZ, float farZ );
+
+/*
+** endian stuff
+*/
+#ifndef GLIDE3_ALPHA
+FX_ENTRY FxU32 FX_CALL
+guEndianSwapWords( FxU32 value );
+
+FX_ENTRY FxU16 FX_CALL
+guEndianSwapBytes( FxU16 value );
+#endif /* !GLIDE3_ALPHA */
+
+/*
+** hi-level texture manipulation tools.
+*/
+FX_ENTRY FxBool FX_CALL
+gu3dfGetInfo( const char *filename, Gu3dfInfo *info );
+
+FX_ENTRY FxBool FX_CALL
+gu3dfLoad( const char *filename, Gu3dfInfo *data );
+
+#endif /* FX_GLIDE_NO_FUNC_PROTO */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __GLIDEUTL_H__ */

glide2x/cvg/glide/src/gmovie.c

@@ -0,0 +1,56 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 6     8/30/97 5:59p Tarolli
+ * cleanups
+ * 
+ * 5     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 4     5/21/97 6:05a Peter
+ * 
+ * 3     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+**
+*/
+#include <string.h>
+
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+GR_DIENTRY(guMovieStart, void, ( void ))
+{
+   GrErrorCallback( "guMovieStart:  unsupported", FXFALSE );
+}
+
+GR_DIENTRY(guMovieStop, void, ( void ))
+{
+   GrErrorCallback( "guMovieStop:  unsupported", FXFALSE );
+}
+
+GR_DIENTRY(guMovieSetName, void, ( const char *name ))
+{
+   GrErrorCallback( "guMovieSetName:  unsupported", FXFALSE );
+}

glide2x/cvg/glide/src/gpci.c

@@ -0,0 +1,832 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.1.1.1.2.7  2005/04/25 23:58:41  koolsmoky
+** Fix _texDownloadProcs comma separator.
+** Thanks to Ozkan Sezer <sezeroz@gmail.com>.
+**
+** Revision 1.1.1.1.2.6  2005/01/22 14:52:02  koolsmoky
+** enabled packed argb for cmd packet type 3
+**
+** Revision 1.1.1.1.2.5  2005/01/13 16:09:05  koolsmoky
+** Restict calls to pciOpen() pciClose() when compiled with DIRECTX option. this fixes problems with the win32 miniport opened in exclusive mode.
+**
+** Revision 1.1.1.1.2.4  2005/01/02 04:15:53  koolsmoky
+** disabled mtrr's on sli slave devices
+**
+** Revision 1.1.1.1.2.3  2004/12/27 20:46:37  koolsmoky
+** added dll entry point to call grGlideShutdown when a process is detached
+**
+** Revision 1.1.1.1.2.2  2004/12/23 20:45:56  koolsmoky
+** converted to nasm syntax
+** added x86 asm, 3dnow! triangle and mmx, 3dnow! texture download optimizations
+**
+** Revision 1.1.1.1.2.1  2004/12/12 15:27:47  koolsmoky
+** changes to support new cpuid
+** set default to disable alpha dither subtraction
+**
+** Revision 1.1.1.1  1999/12/07 21:49:10  joseph
+** Initial checkin into SourceForge.
+**
+** 
+** 110   6/30/98 6:08p Jeske
+** fixed bug where we tried to setup MTRRs on old (<p6) systems which
+** didn't have them. 
+** 
+** 109   5/21/98 5:52p Peter
+** mismatched pairs
+** 
+** 108   5/20/98 3:51p Peter
+** no fifo glide
+** 
+** 107   5/18/98 12:15p Peter
+** better point code
+** 
+** 106   4/21/98 5:53p Peter
+** slidetect vs hw pointers
+** 
+** 105   4/08/98 3:52p Peter
+** point coordinate truncation
+** 
+** 104   4/06/98 9:55a Peter
+** sli slave detection for oem dll
+** 
+** 103   3/17/98 6:50p Peter
+** sli paired vs active
+** 
+** 102   3/17/98 3:00p Peter
+** removed unused stats
+** 
+** 101   3/13/98 5:08p Peter
+** doh, got it backwards
+** 
+** 100   3/13/98 3:39p Peter
+** voodoo1.5 silliness
+** 
+** 99    2/20/98 9:05a Peter
+** removed remnants of comdex grot
+** 
+** 98    2/11/98 5:25p Peter
+** detection dialog fixes
+** 
+** 97    1/30/98 4:51p Peter
+** fixed sli-detect for multiple pairs
+** 
+** 96    1/30/98 4:27p Peter
+** no uswc for sli slave
+** 
+** 95    1/24/98 12:29p Peter
+** more caching fun
+** 
+** 94    1/20/98 11:03a Peter
+** env var to force triple buffering
+ * 
+ * 93    1/16/98 5:41p Peter
+ * fixed sense of lod_dither
+ * 
+ * 92    1/14/98 10:22a Peter
+ * no more hacks
+ * 
+ * 91    1/08/98 7:09p Peter
+ * real hw stuff modulo makefile change
+ * 
+ * 90    1/07/98 11:18a Atai
+ * remove GrMipMapInfo and GrGC.mm_table in glide3
+ * 
+ * 89    1/07/98 10:22a Peter
+ * lod dithering env var
+ * 
+ * 88    12/17/97 10:08a Peter
+ * fast system comdex twiddling
+ * 
+ * 87    12/09/97 4:20p Peter
+ * 0x100 fbiRev ofset for v2
+ * 
+ * 86    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 85    12/05/97 4:26p Peter
+ * watcom warnings
+ * 
+ * 84    12/03/97 2:36p Peter
+ * upped comdex reset defaults
+ * 
+ * 83    12/02/97 9:48a Dow
+ * Removed some spurious code I inadvertantly added.
+ * 
+ * 82    11/21/97 6:24p Dow
+ * Banshee Lying about being Rush stuf
+ * 
+ * 81    11/21/97 11:19a Dow
+ * Made Banshee report Voodoo2
+ * 
+ * 80    11/20/97 6:39p Peter
+ * fixed direct_exec w/ csim
+ * 
+ * 79    11/19/97 2:49p Peter
+ * env vars in registry for win32
+ * 
+ * 78    11/17/97 4:55p Peter
+ * watcom warnings/chipfield stuff
+ * 
+ * 77    11/15/97 7:43p Peter
+ * more comdex silliness
+ * 
+ * 76    11/14/97 11:10p Peter
+ * open vs hw init confusion
+ * 
+ * 75    11/14/97 5:02p Peter
+ * more comdex stuff
+ * 
+ * 74    11/14/97 12:09a Peter
+ * comdex thing and some other stuff
+ * 
+ * 73    11/12/97 9:54p Peter
+ * fixed all the muckage from new config
+ * 
+ * 72    11/12/97 9:37p Dow
+ * Textures on Banshee half work
+ * 
+ * 71    11/12/97 9:22a Dow
+ * h3 mods
+ * 
+ * 70    11/08/97 3:34p Peter
+ * fixed stupid gdbg_info crasher
+ * 
+ * 69    11/04/97 4:00p Dow
+ * Banshee Mods
+ * 
+ * 68    11/03/97 3:43p Peter
+ * h3/cvg cataclysm
+ * 
+ * 67    11/01/97 12:11p Pgj
+ * glide.dll ---> glide2x.dll
+ * 
+ * 66    10/31/97 8:53a Peter
+ * last lying change, really
+ * 
+ * 65    10/30/97 3:42p Peter
+ * protected the last bit of nonsense
+ * 
+ * 64    10/30/97 3:37p Peter
+ * spoof sst1
+ * 
+ * 63    10/29/97 2:45p Peter
+ * C version of Taco's packing code
+ * 
+ * 62    10/23/97 5:28p Peter
+ * sli fifo thing
+ * 
+ * 61    9/15/97 7:31p Peter
+ * more cmdfifo cleanup, fixed normal buffer clear, banner in the right
+ * place, lfb's are on, Hmmmm.. probably more
+ * 
+ * 60    9/10/97 10:13p Peter
+ * fifo logic from GaryT, non-normalized fp first cut
+ * 
+ * 59    9/05/97 5:29p Peter
+ * changes for direct hw
+ * 
+ * 58    9/01/97 3:18p Peter
+ * correct integer rounding for pts
+ * 
+ * 57    8/30/97 5:59p Tarolli
+ * init and hal fixups
+ * 
+ * 56    8/30/97 1:19p Peter
+ * first cut at using blit to clear, more to come to do inner rects
+ * 
+ * 55    8/18/97 3:52p Peter
+ * pre-hw arrival fixes/cleanup
+ * 
+ * 54    7/30/97 2:42p Peter
+ * shared and sanitized
+ * 
+ * 53    7/28/97 2:41p Peter
+ * turned sli code back on for cvg, but waiting for hal
+ * 
+ * 52    7/25/97 11:40a Peter
+ * removed dHalf, change field name to match real use for cvg
+ * 
+ * 51    7/08/97 2:47p Peter
+ * fixed merge stupidity from last checkin
+ * 
+ * 50    7/02/97 12:28p Peter
+ * removed spurious NOP, tex dl
+ * 
+ * 49    6/24/97 4:02p Peter
+ * proper cmd fifo placement
+ * 
+ * 48    6/23/97 4:46p Peter
+ * fixed my ,uckage
+ * 47    6/23/97 4:43p Peter
+ * cleaned up #defines etc for a nicer tree
+**
+*/
+
+#include <stdio.h>
+#include <string.h>
+
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+#if GLIDE_DISPATCH_SETUP 
+/* Collection of all of the known procs for a given system */
+#if GLIDE_PACKED_RGB
+static GrTriSetupProc _triSetupProcs[][3][2] =
+#else /* !GLIDE_PACKED_RGB */
+static GrTriSetupProc _triSetupProcs[][1][2] =
+#endif /* !GLIDE_PACKED_RGB */
+{
+  /* Default Procs */
+  {
+    {_trisetup, _trisetup_cull}
+#if GLIDE_PACKED_RGB
+   ,{_trisetup_rgb, _trisetup_cull_rgb},
+    {_trisetup_argb, _trisetup_cull_argb}
+#endif /* GLIDE_PACKED_RGB */
+  },
+#if GL_AMD3D
+  /* 3DNow!(tm) Procs */
+ {
+    {_trisetup_3DNow, _trisetup_cull_3DNow}
+#if GLIDE_PACKED_RGB
+   ,{_trisetup_rgb_3DNow, _trisetup_cull_rgb_3DNow},
+    {_trisetup_argb_3DNow, _trisetup_cull_argb_3DNow}
+#endif /* GLIDE_PACKED_RGB */
+  },
+#endif /* GL_AMD3D */
+};
+#endif /* GLIDE_DISPATCH_SETUP */
+
+#if GLIDE_DISPATCH_DOWNLOAD
+static GrTexDownloadProc _texDownloadProcs[][2][4] = 
+{
+  /* Default Procs */
+  { 
+    {
+      _grTexDownload_Default_8_1, 
+      _grTexDownload_Default_8_2,
+      _grTexDownload_Default_8_4,
+      _grTexDownload_Default_8_WideS
+    }, 
+    {
+      _grTexDownload_Default_16_1,
+      _grTexDownload_Default_16_2,
+      _grTexDownload_Default_16_WideS,
+      _grTexDownload_Default_16_WideS
+    }
+  },
+#if GL_AMD3D
+  { 
+    { 
+      _grTexDownload_Default_8_1, 
+      _grTexDownload_Default_8_2, 
+      _grTexDownload_Default_8_4, 
+      _grTexDownload_3DNow_MMX, 
+    },
+    {
+      _grTexDownload_Default_16_1,
+      _grTexDownload_Default_16_2,
+      _grTexDownload_3DNow_MMX,
+      _grTexDownload_3DNow_MMX,
+    }
+  },
+#endif /* GL_AMD3D */
+#if GL_MMX
+  { 
+    { 
+      _grTexDownload_Default_8_1, 
+      _grTexDownload_Default_8_2, 
+      _grTexDownload_Default_8_4, 
+      _grTexDownload_MMX, 
+    },
+    {
+      _grTexDownload_Default_16_1,
+      _grTexDownload_Default_16_2,
+      _grTexDownload_MMX,
+      _grTexDownload_MMX,
+    }
+  },
+#endif /* GL_MMX */
+};
+#endif /* GLIDE_DISPATCH_DOWNLOAD */
+
+#if (GLIDE_PLATFORM & GLIDE_OS_WIN32)
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+BOOL WINAPI 
+DllMain(HANDLE hInst, ULONG  ul_reason_for_call, LPVOID lpReserved) 
+{
+  switch( ul_reason_for_call ) {
+  case DLL_PROCESS_DETACH:
+    GDBG_INFO(80, "DllMain: DLL_PROCESS_DETACH\n");
+    grGlideShutdown();
+    pciClose();
+    break;
+  case DLL_PROCESS_ATTACH:
+    if (!pciOpen()) {
+      GDBG_INFO(80, "pci bus could not be opened\n");
+      return FALSE;
+    }
+    GDBG_INFO(80, "DllMain: DLL_PROCESS_ATTACH\n");
+    break;
+  case DLL_THREAD_ATTACH:
+    GDBG_INFO(80, "DllMain: DLL_THREAD_ATTACH\n");
+    break;
+  case DLL_THREAD_DETACH:
+    GDBG_INFO(80, "DllMain: DLL_THREAD_DETACH\n");
+    break;
+  default:
+    GDBG_INFO(80, "DllMain: Unhandled message.\n");
+    break;
+  }
+  
+  return TRUE;
+
+} /* DllMain */
+#endif
+
+/*-------------------------------------------------------------------
+  Function: _grSstDetectResources
+  Date: --
+  Implementor(s): Dow, Gmt, Jdt
+  Library: Glide
+  Description:
+  Discover devices on the PCI bus.
+  Discover configuration of detected devices.
+  Initialize all Glide GC's 
+
+  Recognized devices depend upon compile time flags
+
+  This code should NOT initialize the hardware 
+  any more than is necessary for discovery of 
+  configuration
+
+  Arguments: none
+  Return: 
+  FXTRUE  - at least one device was detected
+  FXFALSE - no devices were detected.
+  -------------------------------------------------------------------*/
+FxBool 
+_grSstDetectResources(void)
+{
+  static FxBool calledP = FXFALSE;
+  FxBool rv = FXFALSE;
+  FxU32 ctx, device;
+
+  GDBG_INFO(280, "_grSstDetectResources()\n");
+
+#if (GLIDE_PLATFORM & GLIDE_HW_CVG)
+  {
+#if GLIDE_INIT_HAL
+    HalInfo* halInfo = fxHalInit(0);
+    if (halInfo == NULL) goto __errExit;
+#else /* !GLIDE_INIT_HAL */
+    FxDeviceInfo dummyDevInfo;
+#endif /* !GLIDE_INIT_HAL */
+
+    /* The first time through the init code we need to map 
+     * all of the boards. Future calls can just grab this
+     * info out of the halInfo that we have here.
+     */
+    if (!calledP) {
+      FxU32 count = HAL_MAX_BOARDS;
+      FxBool inSliPairP = FXFALSE;
+      GrHwConfiguration* hwConfig = &_GlideRoot.hwConfig;
+
+      /* NB: The hw will initially return fbiRevision == 2, but
+       * the init code does some more dorking w/ stuff and detects
+       * if it is really a CVG and sets it to 4.
+       */
+      const FxU32 hwRevNum = ((GETENV("FX_GLIDE_HW_REV") == NULL)
+                              ? 4
+                              : atol(GETENV("FX_GLIDE_HW_REV")));
+      
+      for(ctx = device = 0; device < count; device++) {
+        const FxDeviceInfo* curDev = NULL;
+        FxBool regInitP = FXFALSE;
+        SstRegs* devRegs;
+
+#if GLIDE_INIT_HAL
+        devRegs = fxHalMapBoard(device);
+        curDev = halInfo->boardInfo + device;
+#else /* !GLIDE_INIT_HAL */
+        devRegs = (SstRegs*)sst1InitMapBoard(device);
+        if (devRegs != NULL) {
+          if (sst1InitGetDeviceInfo((FxU32*)devRegs, &dummyDevInfo)) {
+            dummyDevInfo.virtAddr[0] = devRegs;
+            curDev = &dummyDevInfo;
+          }
+        }
+#endif /* !GLIDE_INIT_HAL */
+
+        if ((devRegs != NULL) && 
+            (curDev != NULL) &&
+            (curDev->fbiRevision >= hwRevNum)) {
+          const FxU32 curSstNum = hwConfig->num_sst;
+          FxU32 i;
+
+#if (GLIDE_PLATFORM & GLIDE_HW_CVG)        
+          /* Internally we always keep the real type. */
+          hwConfig->SSTs[ctx].type = GR_SSTTYPE_Voodoo2;
+#else
+#error "What do you think you're doing?"
+#endif
+
+#if GLIDE_INIT_HAL
+          if (!fxHalInitRegisters(curDev->virtAddr[0])) goto __errRegFailure;
+
+#else /* !GLIDE_INIT_HAL */
+          /* dpc - 23 jan 1998 - FixMe!
+           * We set up the caching characteristics here so that we
+           * mimic the actions of the nt driver, where everything is
+           * happy, in win95.  However, if this is the slave of an sli
+           * pair then we don't want to waste mtrr's that we're never
+           * really going to write to.  
+           */
+          if (!inSliPairP/* && (_GlideRoot.CPUType.family >= 6)*/) {
+		sst1InitCaching((FxU32*)devRegs, FXTRUE);
+	  }
+
+          if (!sst1InitRegisters((FxU32*)devRegs) ||
+              !sst1InitGetDeviceInfo((FxU32*)devRegs, &dummyDevInfo)) goto __errRegFailure;
+          curDev = &dummyDevInfo;
+#endif /* !GLIDE_INIT_HAL */
+
+          /* Set up pointers to the various address spaces within the hw */
+          _GlideRoot.GCs[ctx].base_ptr  = (FxU32*)HW_BASE_PTR(devRegs);
+          _GlideRoot.GCs[ctx].reg_ptr   = (FxU32*)HW_REG_PTR(devRegs);
+          _GlideRoot.GCs[ctx].lfb_ptr   = (FxU32*)HW_LFB_PTR(devRegs);
+          _GlideRoot.GCs[ctx].tex_ptr   = (FxU32*)HW_TEX_PTR(devRegs);
+
+          /* Video parameters */
+          _GlideRoot.GCs[ctx].grSstRez     = GR_RESOLUTION_NONE;
+          _GlideRoot.GCs[ctx].grSstRefresh = curDev->fbiVideoRefresh;
+        
+          /* Chip configuration */
+          _GlideRoot.GCs[ctx].num_tmu   = curDev->numberTmus;
+          _GlideRoot.GCs[ctx].fbuf_size = hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.fbRam;
+
+          /* Independet board or physical sli master */
+          if (!inSliPairP) {
+            _GlideRoot.gcMap[curSstNum] = _GlideRoot.gcNum;
+            
+            /* Voodoo^2 glide2x returns that it is an sst1, but the
+             * revision is bumped so that developers can really tell.
+             * Additionally, we now have the fun on Voodoo^1.5 which is
+             * just a Voodoo^2 in a 2200 configuration. 
+             */
+            hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.fbiRev = (curDev->fbiRevision + 
+                                                                       ((curDev->numberTmus == 1)
+                                                                        ? 0x080 
+                                                                        : 0x100));
+            
+            hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.fbRam     = curDev->fbiMemSize;
+            hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.nTexelfx  = curDev->numberTmus;
+            hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.sliDetect = curDev->sliDetected;
+
+            for(i = 0; i < curDev->numberTmus; i++) {
+              const FxU32 curTmuMemSize = curDev->tmuMemSize[i];
+              
+              hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.tmuConfig[i].tmuRev = curDev->tmuRevision;
+              hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.tmuConfig[i].tmuRam = curTmuMemSize;
+            }
+
+            hwConfig->num_sst++;
+          }
+
+          /* Clear the tmu state */
+          for(i = 0; i < curDev->numberTmus; i++) {
+            const FxU32 curTmuMemSize = curDev->tmuMemSize[i];
+            
+            memset(&_GlideRoot.GCs[ctx].tmu_state[i], 0, sizeof(_GlideRoot.GCs[ctx].tmu_state[i]));
+            _GlideRoot.GCs[ctx].tmu_state[i].total_mem = (curTmuMemSize << 20);
+            
+            _GlideRoot.GCs[ctx].tmu_state[i].ncc_mmids[0] = 
+              _GlideRoot.GCs[ctx].tmu_state[i].ncc_mmids[1] = GR_NULL_MIPMAP_HANDLE;
+          }
+
+          /* sst1GetDeviceInfo will not return any pairing information
+           * until after the boards are paired w/ sst1InitSli which we
+           * have not yet done. Currently we assume that the next
+           * discovered board will be the slave.  
+           */
+          _GlideRoot.GCs[ctx].scanline_interleaved = curDev->sliDetected;
+          _GlideRoot.GCs[ctx].sliPairP             = curDev->sliPaired;
+          _GlideRoot.GCs[ctx].slave_ptr            = NULL;
+
+          /* Are we currenly mapping a physcial sli-slave? */
+          if (curDev->sliDetected && inSliPairP) {
+            _GlideRoot.GCs[ctx - 1].slave_ptr = _GlideRoot.GCs[ctx].base_ptr;
+
+            /* Report the minimum of the two boards' memory if they
+             * are different.  The hw does not care becuase it is just
+             * not going to access the memory.
+             */
+            {
+              const FxU32 curSstNum = hwConfig->num_sst - 1;
+              GrTMUConfig_t* tmuConfig = hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.tmuConfig;
+
+              /* Fbi memory */
+              if ((FxU32)hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.fbRam != curDev->fbiMemSize) {
+                hwConfig->SSTs[curSstNum].sstBoard.Voodoo2Config.fbRam = curDev->fbiMemSize;
+              }
+
+              /* Tmu memory */
+              for(i = 0; i < curDev->numberTmus; i++) {
+                if ((FxU32)tmuConfig[i].tmuRam != curDev->tmuMemSize[i]) {
+                  tmuConfig[i].tmuRam = MIN((FxU32)tmuConfig[i].tmuRam, curDev->tmuMemSize[i]);
+                }
+              }
+            }
+          }
+
+          /* On an sli system the boards cannot be addressed
+           * separately so pairing and detection are different things,
+           * and we need to keep track of these paired boards as an
+           * atomic unit.
+           */
+          inSliPairP = (curDev->sliPaired ? !inSliPairP : FXFALSE);
+
+          /* This device is ready to go. */
+          regInitP = FXTRUE;
+          _GlideRoot.gcNum++;
+          _GlideRoot.GCs[ctx].hwInitP = FXTRUE;
+        
+          rv = FXTRUE;
+          ctx++;
+
+          __errRegFailure:
+          /* For some reason we failed to init the board that we just mapped. */
+          if (!regInitP && (devRegs != NULL)) {
+#if GLIDE_INIT_HAL
+            fxHalShutdown(devRegs);
+#else /* !GLIDE_INIT_HAL */
+            /*if (_GlideRoot.CPUType.family >= 6) {*/
+              sst1InitCaching((FxU32*)devRegs, FXFALSE);
+            /*}*/
+            pciUnmapPhysical((FxU32)devRegs, 0x1000000UL);
+#endif /* !GLIDE_INIT_HAL */
+          }
+        }
+      }
+
+      /* Done setting up. Don't do the silly mapping thing again. */
+      calledP = FXTRUE;
+    } else {
+      /* Did we previously find boards? */
+      rv = (_GlideRoot.hwConfig.num_sst != 0);
+    }
+
+    goto __errExit; /* Keep warnings happy */
+__errExit:
+    ;
+  }
+#else
+#  error "Write code for this chip"
+#endif  
+  
+  return rv;
+} /* _grSstDetectResources */
+
+
+static void
+displayBoardInfo(int i, GrHwConfiguration *hwc)
+{
+  if ((hwc->SSTs[i].type == GR_SSTTYPE_VOODOO) ||
+      (hwc->SSTs[i].type == GR_SSTTYPE_Voodoo2)) {
+    int tmuNum;
+
+    GDBG_INFO(80,"SST board %d: 3Dfx Voodoo%s\n", 
+              i, ((hwc->SSTs[i].type == GR_SSTTYPE_VOODOO) ? " Graphics" : "^2"));
+    if (hwc->SSTs[i].sstBoard.VoodooConfig.sliDetect) {
+      GDBG_INFO(80,"\tScanline Interleaved\n");
+    }
+
+    GDBG_INFO(80,"\tPixelfx rev 0x%lX with %d MB Frame Buffer\n",
+              hwc->SSTs[i].sstBoard.VoodooConfig.fbiRev,
+              hwc->SSTs[i].sstBoard.VoodooConfig.fbRam);
+    GDBG_INFO(80,"\t%d Texelfx chips:\n",
+              hwc->SSTs[i].sstBoard.VoodooConfig.nTexelfx);
+    for (tmuNum = 0;
+         tmuNum < hwc->SSTs[i].sstBoard.VoodooConfig.nTexelfx;
+         tmuNum++) {
+      GDBG_INFO(80,"\t\tTexelfx %d: Rev 0x%lX, %d MB Texture\n", tmuNum,
+                hwc->SSTs[i].sstBoard.VoodooConfig.tmuConfig[tmuNum].tmuRev,
+                hwc->SSTs[i].sstBoard.VoodooConfig.tmuConfig[tmuNum].tmuRam);
+    }
+  } else if (hwc->SSTs[i].type == GR_SSTTYPE_SST96) {
+    GDBG_INFO(80,"SST board %d: 3Dfx Voodoo Rush\n", i);
+    GDBG_INFO(80,"\tFBI Jr. with %d MB Frame Buffer\n",
+              hwc->SSTs[i].sstBoard.SST96Config.fbRam);
+    GDBG_INFO(80,"\tTexelfx chips:  1\n");
+  } else {
+    GDBG_INFO(80,"error: SSTs %d: unknown type\n",i);
+  }
+} /* displayBoardInfo */
+
+#if defined(FX_DLL_ENABLE) && (GLIDE_PLATFORM & GLIDE_OS_WIN32)
+#include <windows.h>
+#endif
+
+void
+_GlideInitEnvironment(void)
+{
+#define FN_NAME "_GlideInitEnvironment"
+  int i;
+
+  if (_GlideRoot.initialized)          /* only execute once */
+    return;
+  GDBG_INIT();                          /* init the GDEBUG libraray */
+  GDBG_INFO(80,"%s()\n", FN_NAME);
+
+#ifdef __WIN32__
+  grErrorSetCallback(_grErrorWindowsCallback);
+#else
+  grErrorSetCallback(_grErrorDefaultCallback);
+#endif /* __WIN32__ */
+
+#ifdef GLIDE_DEBUG
+  GDBG_INFO(0,"GLIDE DEBUG LIBRARY\n"); /* unconditional display */
+#endif
+
+#if defined(FX_DLL_ENABLE) && (GLIDE_PLATFORM & GLIDE_OS_WIN32)
+  { /* GMT: display the DLL pathname for sanity checking */
+    char buf[132];
+    if (GetModuleFileName(GetModuleHandle("glide2x.dll"), buf, sizeof(buf))) {
+#ifdef GLIDE_DEBUG
+      GDBG_INFO(0,"DLL path: %s\n",buf); /* unconditional display */
+#else
+      GDBG_INFO(80,"DLL path: %s\n",buf);
+#endif
+    } /* silent failure */
+  }
+#endif
+
+  /* Get CPU Info */
+  _cpuid(&_GlideRoot.CPUType);
+
+  /* Check for vendor specific optimization cases */
+  GDBG_INFO( 0,"   CPU Vendor: %s\n", _GlideRoot.CPUType.v_name);
+  GDBG_INFO(80,"   MMX Support: %c\n", _GlideRoot.CPUType.os_support&_CPU_FEATURE_MMX ? 'Y' : 'N');
+  GDBG_INFO(80,"   SSE Support: %c\n", _GlideRoot.CPUType.os_support&_CPU_FEATURE_SSE ? 'Y' : 'N');
+  GDBG_INFO(80,"  SSE2 Support: %c\n", _GlideRoot.CPUType.os_support&_CPU_FEATURE_SSE2 ? 'Y' : 'N');
+  GDBG_INFO(80," 3DNow Support: %c\n", _GlideRoot.CPUType.os_support&_CPU_FEATURE_3DNOW ? 'Y' : 'N');
+  GDBG_INFO(80,"  MMX+ Support: %c\n", _GlideRoot.CPUType.os_support&_CPU_FEATURE_MMXPLUS ? 'Y' : 'N');
+  GDBG_INFO(80,"3DNow+ Support: %c\n", _GlideRoot.CPUType.os_support&_CPU_FEATURE_3DNOWPLUS ? 'Y' : 'N');
+  
+  /* No CPU Extensions Allowed */
+  if (GETENV("FX_GLIDE_NO_CPU_EXTENSIONS"))
+  {
+    _GlideRoot.CPUType.feature = _GlideRoot.CPUType.os_support = 0;
+    GDBG_INFO(0,"CPU Extensions disabled\n");
+  }
+
+#if GLIDE_DISPATCH_SETUP || GLIDE_DISPATCH_DOWNLOAD
+  /* Default case */
+#if GLIDE_DISPATCH_SETUP
+  _GlideRoot.deviceArchProcs.curTriProcs = _triSetupProcs + 0;
+#endif /* GLIDE_DISPATCH_SETUP */
+#if GLIDE_DISPATCH_DOWNLOAD
+  _GlideRoot.deviceArchProcs.curTexProcs = _texDownloadProcs + 0;
+#endif /* GLIDE_DISPATCH_DOWNLOAD */
+
+  /* Check for vendor specific optimization cases */
+#ifdef GL_MMX
+  if (_GlideRoot.CPUType.os_support & _CPU_FEATURE_MMX) {
+#if GLIDE_DISPATCH_DOWNLOAD
+    _GlideRoot.deviceArchProcs.curTexProcs = _texDownloadProcs + 2;
+#endif /* GLIDE_DISPATCH_DOWNLOAD */
+  }
+#endif /* GL_MMX */
+
+#ifdef GL_AMD3D
+  if (_GlideRoot.CPUType.os_support & _CPU_FEATURE_3DNOW) {
+#if GLIDE_DISPATCH_SETUP
+    _GlideRoot.deviceArchProcs.curTriProcs = _triSetupProcs + 1;
+#endif /* GLIDE_DISPATCH_SETUP */
+#if GLIDE_DISPATCH_DOWNLOAD
+    _GlideRoot.deviceArchProcs.curTexProcs = _texDownloadProcs + 1;
+#endif /* GLIDE_DISPATCH_DOWNLOAD */
+  }
+#endif /* GL_AMD3D */
+  
+#endif /* GLIDE_DISPATCH_SETUP || GLIDE_DISPATCH_DOWNLOAD */
+
+  /* Check for user environment tweaks */
+  {
+    const char* envStr;
+
+#define GLIDE_GETENV(__envVar, __defVal) \
+    (((envStr = GETENV(__envVar)) == NULL) ? (__defVal) : atol(envStr))
+
+    _GlideRoot.environment.triBoundsCheck    = (GETENV("FX_GLIDE_BOUNDS_CHECK") != NULL);
+    _GlideRoot.environment.noSplash          = (GETENV("FX_GLIDE_NO_SPLASH") != NULL);
+    _GlideRoot.environment.shamelessPlug     = (GETENV("FX_GLIDE_SHAMELESS_PLUG") != NULL);
+    _GlideRoot.environment.ignoreReopen      = (GETENV("FX_GLIDE_IGNORE_REOPEN") != NULL);
+    _GlideRoot.environment.texLodDither      = ((GETENV("FX_GLIDE_LOD_DITHER") == NULL)
+                                                ? 0x00UL
+                                                : SST_TLODDITHER);
+    
+    _GlideRoot.environment.nColorBuffer      = GLIDE_GETENV("FX_GLIDE_ALLOC_COLOR", -1L);
+    _GlideRoot.environment.nAuxBuffer        = GLIDE_GETENV("FX_GLIDE_ALLOC_AUX", -1L);    
+    _GlideRoot.environment.swFifoLWM         = GLIDE_GETENV("FX_GLIDE_LWM", -1L);
+
+    _GlideRoot.environment.swapInterval      = GLIDE_GETENV("FX_GLIDE_SWAPINTERVAL", -1L);
+    if ((envStr != NULL) && (_GlideRoot.environment.swapInterval < 0)) {
+      _GlideRoot.environment.swapInterval = 0;
+    }
+    
+    _GlideRoot.environment.snapshot          = GLIDE_GETENV("FX_SNAPSHOT", 0);
+
+    /* set default to disable alpha dither subtraction */
+    switch(GLIDE_GETENV("SSTH3_ALPHADITHERMODE", 1L)) {
+    default:
+    case 1: /* Or Automatic? */
+    case 2:
+      _GlideRoot.environment.disableDitherSub = FXTRUE;
+      break;
+    case 3:
+      _GlideRoot.environment.disableDitherSub = FXFALSE;
+      break;
+    }  
+    GDBG_INFO(80,"  disableDitherSub: %d\n",_GlideRoot.environment.disableDitherSub);  
+    
+    GDBG_INFO(80,"    triBoundsCheck: %d\n",_GlideRoot.environment.triBoundsCheck);
+    GDBG_INFO(80,"      swapInterval: %d\n",_GlideRoot.environment.swapInterval);
+    GDBG_INFO(80,"          noSplash: %d\n",_GlideRoot.environment.noSplash);
+    GDBG_INFO(80,"     shamelessPlug: %d\n",_GlideRoot.environment.shamelessPlug);
+    /*GDBG_INFO(80,"               cpu: %d\n",_GlideRoot.CPUType);*/
+    GDBG_INFO(80,"          snapshot: %d\n",_GlideRoot.environment.snapshot);
+    GDBG_INFO(80,"  disableDitherSub: %d\n",_GlideRoot.environment.disableDitherSub);
+  }
+
+  /* constant pool */
+  _GlideRoot.pool.f0   =   0.0F;
+  _GlideRoot.pool.fHalf=   0.5F;
+  _GlideRoot.pool.f1   =   1.0F;
+  _GlideRoot.pool.f255 = 255.0F;
+
+#if GLIDE_PACKED_RGB
+  _GlideRoot.pool.fBiasHi = (float)(0x01 << 15);
+  _GlideRoot.pool.fBiasLo = (float)(0x01 << 23);
+#endif /* GLIDE_PACKED_RGB */
+
+  _GlideRoot.current_sst = 0;                    /* make sure there's a valid GC */
+  _GlideRoot.curGC = &_GlideRoot.GCs[0];         /* just for 'booting' the library */
+  {
+    const FxBool hwDetectP = _grSstDetectResources();
+
+    if (!hwDetectP) {
+      char s[128];
+      const char* errStr = s;
+      
+      if (pciGetErrorCode() == PCI_ERR_NOERR) {
+#ifndef __linux__
+        sprintf(s, "%s: glide2x.dll expected %s, none detected\n",
+                FN_NAME, GLIDE_DRIVER_NAME);
+#else
+        sprintf(s, "%s: libglide2x.so expected %s, none detected\n",
+                FN_NAME, GLIDE_DRIVER_NAME);
+#endif
+      } else {
+        errStr = pciGetErrorString();
+      }
+      
+      GrErrorCallback(errStr, FXTRUE);
+    }
+    
+    /* GMT: this isn't really necessary since GlideRoot is static */
+    for (i = 0; i < _GlideRoot.hwConfig.num_sst; i++) {
+      _GlideRoot.GCs[i].mm_table.free_mmid = 0;
+      displayBoardInfo(i, &_GlideRoot.hwConfig);
+    }
+    
+    _grMipMapInit();
+    _GlideRoot.initialized = hwDetectP;               /* save this for the end */
+  }
+} /* _GlideInitEnvironment */

glide2x/cvg/glide/src/gsplash.c

@@ -0,0 +1,958 @@
+/*
+ ** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ ** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ ** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ ** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ ** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ ** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ ** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ ** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ ** 
+ ** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ ** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ ** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ ** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ ** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ ** THE UNITED STATES.  
+ ** 
+ ** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ **
+ ** $Header$
+ ** $Log$
+ ** Revision 1.1.1.1  1999/12/07 21:49:11  joseph
+ ** Initial checkin into SourceForge.
+ **
+** 
+** 26    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+** 
+** 25    2/17/98 3:21p Peter
+** no splash w/o deepth buffer
+** 
+** 24    1/28/98 1:12p Peter
+** Stupid swap state form gratuitous splash screen
+ * 
+ * 23    1/09/98 6:48p Atai
+ * grTexInfo, GR_LOD_* and GR_ASPECT_*
+ * 
+ * 21    1/06/98 6:47p Atai
+ * undo grSplash and remove gu routines
+ * 
+ * 20    12/18/97 2:13p Peter
+ * fogTable cataclysm
+ * 
+ * 19    12/15/97 5:52p Atai
+ * disable obsolete glide2 api for glide3
+ * 
+ * 18    12/09/97 10:20a Peter
+ * removed extraneous cruft
+ * 
+ * 17    11/14/97 5:03p Peter
+ * picking up the torch... removed #!@#$% c++ comments
+ * 
+ * 16    10/23/97 5:30p Peter
+ * packed rgb happiness
+ * 
+ * 15    7/31/97 11:14a Peter
+ * merge w/ sst1 glide tree, hopefully
+ * 
+ * 13    7/07/97 3:05p Dow
+ * Moved fouled clears
+ * 
+ * 12    3/18/97 9:07p Dow
+ * Got rid of #$#%#$ // comments
+ * 
+ * 11    3/16/97 12:42a Jdt
+ * Removed watcom warning
+ * 
+ * 10    3/13/97 10:53p Jdt
+ * Rewrote with simple optimizations.  Changed prototype for
+ * multi-resolution, and running as a better shameless plug.
+ * 
+ * 9     3/13/97 2:52a Jdt
+ * Added arguments to splash.
+ * 
+ * 8     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+ * 
+ * 7     3/01/97 6:24p Jdt
+ * Made splash force yorigin.
+ * 
+ * 6     1/02/97 1:06p Dow
+ * Fixed state bug
+ * 
+ * 3     11/17/96 11:16p Garymct
+ * Updated grSplash code to set all of the necessary state itself rather
+ * than expecting the caller to do so.
+ */
+#include <math.h>
+
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+
+#include "fxglide.h"
+#include "fxinline.h"
+
+/*-----------------------------
+  Constants
+  -----------------------------*/
+#define MAX_NUM_VERTS 2556
+
+#define FADEIN_END_PERCENT (0.3f)
+#define FADEOUT_BEGIN_PERCENT (0.8f)
+
+#define SPIN_FRAMES 25
+#define SPIN_START  26
+
+#define NO_TABLE ((GrTexTable_t)(~0))
+
+/*-----------------------------
+  Macros
+  -----------------------------*/
+#define SNAP_BIAS     ((float)(3<<18))
+#define SNAP_COORD(X) ((X)+SNAP_BIAS)
+
+/*-----------------------------
+  Types
+  -----------------------------*/
+typedef struct {
+  float x, y, z;                /* object space coordinates */
+  float nx, ny, nz;             /* object space vertex normal for lighting */
+  float s, t;                   /* pre-glide-ified texture coordinates */
+} Vert;
+
+typedef struct {
+  int v[3];                     /* vertex indices into array of vertes for face */
+  int mat_index;                /* material index */
+  int aa_edge_flags;
+} Face;
+
+typedef float Vector[3];
+typedef float Matrix[16];
+
+typedef FxU32 Palette[256];
+typedef struct {
+  FxU8  yRGB[16];
+  FxI16 iRGB[4][3];
+  FxI16 qRGB[4][3];
+  FxU32 packed_data[12];
+} NCCTable;
+typedef union {
+  Palette  palette;
+  NCCTable nccTable;
+} TextureTable;
+
+/*-----------------------------
+  Globals
+  -----------------------------*/
+/* xScale, xOffset, yScale, yOffset */
+static float viewPort[4] = { 
+  480.0f, 320.0f, 
+  480.0f, 240.0f 
+};
+
+typedef struct {
+  GrTexInfo    info;
+  FxU32        addr;
+  GrTexTable_t tableType;
+  TextureTable tableData;
+} Texture;
+
+static int do_phong = 0;
+static int pass;
+static int fog;
+static int useTextures;
+static Vector light = { -0.57735f, -0.57735f, -0.57735f };
+static Vector transformed_verts[MAX_NUM_VERTS];
+static Vector transformed_norms[MAX_NUM_VERTS];
+
+#include "splshdat.c"
+
+static Texture textImage;
+static Texture hiliteImage;
+static Texture shadowImage;
+
+static FxU32 nextFreeBase;
+
+/*-----------------------------
+  Privates
+  -----------------------------*/
+static void 
+sourceTexture(Texture *texture) 
+{
+  static Texture *lastTexture;
+
+  if (texture != lastTexture && useTextures) {
+    grTexSource(GR_TMU0,
+                texture->addr,
+                GR_MIPMAPLEVELMASK_BOTH,
+                &texture->info);
+    if (texture->tableType != NO_TABLE) {
+      grTexDownloadTable(GR_TMU0,
+                         texture->tableType,
+                         &texture->tableData);
+    }
+    lastTexture = texture;
+  }
+}
+
+static GrTexTable_t 
+texTableType(GrTextureFormat_t format) 
+{
+  GrTexTable_t rv = (GrTexTable_t)NO_TABLE;
+
+  switch(format) {
+  case GR_TEXFMT_YIQ_422:
+  case GR_TEXFMT_AYIQ_8422:
+    rv = GR_TEXTABLE_NCC0;
+    break;
+
+  case GR_TEXFMT_P_8:
+  case GR_TEXFMT_AP_88:
+    rv = GR_TEXTABLE_PALETTE;
+    break;
+  }
+
+  return rv;
+}
+
+static void 
+downloadTexture(Texture *texture, Gu3dfInfo *info) 
+{
+  texture->info.data        = info->data;
+  texture->info.smallLod    = info->header.small_lod;
+  texture->info.largeLod    = info->header.large_lod;
+  texture->info.aspectRatio = info->header.aspect_ratio;
+  texture->info.format      = info->header.format;
+
+  texture->addr = nextFreeBase;
+  nextFreeBase += grTexTextureMemRequired(GR_MIPMAPLEVELMASK_BOTH,
+                                          &texture->info);
+  grTexDownloadMipMap(GR_TMU0,
+                      texture->addr,
+                      GR_MIPMAPLEVELMASK_BOTH,
+                      &texture->info);
+
+  texture->tableType = texTableType(info->header.format);
+  switch(texture->tableType) {
+  case GR_TEXTABLE_NCC0:
+  case GR_TEXTABLE_NCC1:
+  case GR_TEXTABLE_PALETTE:
+    texture->tableData = *(TextureTable*)(&info->table);
+    break;
+  default:
+    break;
+  }
+}
+
+static void 
+createTextures(void) 
+{
+  Gu3dfInfo *info;
+
+  /* Download the texture for the "3D" part of the model. */
+  info       = (Gu3dfInfo*)&text_3dfinfo;
+  info->data = (void *)text_3dfinfo_image;
+
+  downloadTexture(&textImage, info);
+
+  /* Download the texture for the specular highlight. */
+  info       = (Gu3dfInfo *)&hilite_3dfinfo;
+  info->data = (void *)hilite_3dfinfo_image;
+  downloadTexture(&hiliteImage, info);
+
+  /* Download the texture for the shadow. */
+  info       = (Gu3dfInfo *)&shadow_3dfinfo;
+  info->data = (void *)shadow_3dfinfo_image;
+  downloadTexture(&shadowImage, info);
+}
+
+static void 
+vecMatMult(float *dstVec, float *srcVec, float *matrix) 
+{
+  dstVec[0] = (srcVec[0] * matrix[0] +
+               srcVec[1] * matrix[4] +
+               srcVec[2] * matrix[8] +
+               matrix[12]);
+    
+  dstVec[1] = (srcVec[0] * matrix[1] +
+               srcVec[1] * matrix[5] +
+               srcVec[2] * matrix[9] +
+               matrix[13]);
+    
+  dstVec[2] = (srcVec[0] * matrix[2] +
+               srcVec[1] * matrix[6] +
+               srcVec[2] * matrix[10] +
+               matrix[14]);
+}
+
+static void 
+normMatMult(float *dstVec, float *srcVec, float *matrix) 
+{
+  dstVec[0] = (srcVec[0] * matrix[0] +
+               srcVec[1] * matrix[4] +
+               srcVec[2] * matrix[8]);
+    
+  dstVec[1] = (srcVec[0] * matrix[1] +
+               srcVec[1] * matrix[5] +
+               srcVec[2] * matrix[9]);
+    
+  dstVec[2] = (srcVec[0] * matrix[2] +
+               srcVec[1] * matrix[6] +
+               srcVec[2] * matrix[10]);
+}
+
+static void 
+xfAndProj(int frame, int obj) 
+{
+  int    vertex;
+  float *matrix;
+
+  matrix = &mat[frame][obj][0];
+
+  for(vertex = 0; vertex < num_verts[obj]; vertex++) {
+    float *srcVec;
+    float *dstVec;
+    float oow;
+
+    /* transform point */
+    srcVec = (float*)&(vert[obj][vertex].x);
+    dstVec = (float*)transformed_verts[vertex];
+    vecMatMult(dstVec, srcVec, matrix);
+
+    /* project point */
+    oow = 1.0f / dstVec[2];
+    dstVec[0] = dstVec[0] * oow * viewPort[0] + viewPort[1] + SNAP_BIAS;
+    dstVec[1] = dstVec[1] * oow * viewPort[2] + viewPort[3] + SNAP_BIAS;
+
+    /* transform normal */
+    srcVec = (float*)&(vert[obj][vertex].nx);
+    dstVec = (float*)transformed_norms[vertex];
+    normMatMult(dstVec, srcVec, matrix);
+  }
+}
+
+static void 
+setupMaterial(int material_index) 
+{
+  switch(material_index) {
+  case 0:                       /* 3d */
+    if(pass == 1) {
+      sourceTexture(&textImage);
+      grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                     GR_COMBINE_FACTOR_LOCAL,
+                     GR_COMBINE_LOCAL_ITERATED,
+                     GR_COMBINE_OTHER_TEXTURE,
+                     FXFALSE);
+      do_phong = 1;
+    } else if (pass == 0xbeef) {
+      /* Pantone 320C - 3D Green */
+      grConstantColorValue(0x00989100);
+      grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                     GR_COMBINE_FACTOR_LOCAL,
+                     GR_COMBINE_LOCAL_CONSTANT,
+                     GR_COMBINE_OTHER_ITERATED,
+                     FXFALSE);
+    } else {
+      sourceTexture(&hiliteImage);
+      grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                     GR_COMBINE_FACTOR_ONE,
+                     GR_COMBINE_LOCAL_NONE,
+                     GR_COMBINE_OTHER_TEXTURE,
+                     FXFALSE);
+    } 
+    break;
+  case 1:                       /* fx */
+    if (pass == 0xbeef) {
+      /* Black - fx */
+      grConstantColorValue(0x00);
+      grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                     GR_COMBINE_FACTOR_LOCAL,
+                     GR_COMBINE_LOCAL_CONSTANT,
+                     GR_COMBINE_OTHER_ITERATED,
+                     FXFALSE);
+      do_phong = 1;
+    } else {
+      sourceTexture(&hiliteImage);
+      grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                     GR_COMBINE_FACTOR_ONE,
+                     GR_COMBINE_LOCAL_NONE,
+                     GR_COMBINE_OTHER_TEXTURE,
+                     FXFALSE);
+      do_phong = 1;
+    }
+    break;
+  case 2:
+  case 3:
+  case 4:
+    grColorCombine(GR_COMBINE_FUNCTION_LOCAL,
+                   GR_COMBINE_FACTOR_NONE,
+                   GR_COMBINE_LOCAL_ITERATED,
+                   GR_COMBINE_OTHER_NONE,
+                   FXFALSE);
+    do_phong = 0;
+    break;
+  }
+}
+
+static void 
+calculateIntensity(int material_index, 
+                   Vector intensity_factor, 
+                   int frame) 
+{
+  switch(material_index) {
+  case 0:
+    /* 3d */
+    intensity_factor[0] = 1.0f;
+    intensity_factor[1] = 1.0f;
+    intensity_factor[2] = 1.0f;
+    break;
+  case 1:
+    /* fx */
+    intensity_factor[0] = 0.125f;
+    intensity_factor[1] = 0.125f;
+    intensity_factor[2] = 0.125f;
+    break;
+  case 2:
+    /* cyan */
+    intensity_factor[0] = (10.0f / 255.0f);
+    intensity_factor[1] = (75.0f / 255.0f);
+    intensity_factor[2] = (120.0f / 255.0f);
+    break;
+  case 3:
+    /* white */
+    intensity_factor[0] = 1.0f;
+    intensity_factor[1] = 1.0f;
+    intensity_factor[2] = 1.0f;
+    break;
+  case 4:
+    /* yellow */
+    intensity_factor[0] = (248.0f / 255.0f);
+    intensity_factor[1] = (204.0f / 255.0f);
+    intensity_factor[2] = 0.0f;
+    break;
+  }
+}
+
+static void 
+drawFaces(int frame, int objnum) 
+{
+  int facenum;
+  int material_index;
+  float intensity_factor[3];
+  GrVertex gvert[3];
+  static int prev_mat_index = 0xffff;
+  int i;
+  FxBool aa_a, aa_b, aa_c;
+    
+  for(facenum = 0; facenum < num_faces[objnum]; facenum++)  {
+    material_index = face[objnum][facenum].mat_index;
+    if(material_index != prev_mat_index)  {
+      setupMaterial(material_index);
+      calculateIntensity(material_index,
+                         intensity_factor, frame);
+      prev_mat_index = material_index;
+    }
+        
+    if((material_index != 0) && (pass == 2))
+      continue;
+          
+    aa_a = aa_b = aa_c = FXFALSE;
+    if(face[objnum][facenum].aa_edge_flags & 4)
+      aa_a = FXTRUE;
+    if(face[objnum][facenum].aa_edge_flags & 2)
+      aa_b = FXTRUE;
+    if(face[objnum][facenum].aa_edge_flags & 1)
+      aa_c = FXTRUE;
+        
+    for(i = 0; i < 3; i++) {
+      float *transformed_vert, *transformed_norm;
+      Vert *v;
+      int vertnum;
+      float factor;
+            
+      vertnum = face[objnum][facenum].v[i];
+      transformed_vert = transformed_verts[vertnum];
+      transformed_norm = transformed_norms[vertnum];
+      v = &vert[objnum][vertnum];
+            
+      gvert[i].x = transformed_vert[0];
+      gvert[i].y = transformed_vert[1];
+      gvert[i].oow = 1.0f / transformed_vert[2];
+      gvert[i].tmuvtx[0].oow = gvert[i].oow;
+      gvert[i].tmuvtx[0].sow = v->s * gvert[i].oow;
+      gvert[i].tmuvtx[0].tow = v->t * gvert[i].oow;
+            
+      factor = ((light[0] * transformed_norm[0] + 
+                 light[1] * transformed_norm[1] + 
+                 light[2] * transformed_norm[2])+ 1.0f) * 127.5f;
+
+      gvert[i].r = factor * intensity_factor[0];
+      gvert[i].g = factor * intensity_factor[1];
+      gvert[i].b = factor * intensity_factor[2];
+      gvert[i].a = 255.0f;
+    }
+        
+    if(pass == 2) {
+      for(i = 0; i < 3; i++) {
+        float *transformed_norm;
+                
+        transformed_norm = 
+          transformed_norms[face[objnum][facenum].v[i]];
+                
+        gvert[i].tmuvtx[0].sow = gvert[i].oow * 
+          (128.0f + transformed_norm[0] * 128.0f);
+        gvert[i].tmuvtx[0].tow = gvert[i].oow * 
+          (128.0f + transformed_norm[1] * 128.0f);
+                
+        gvert[i].r = intensity_factor[0] * 255.0f;
+        gvert[i].g = intensity_factor[1] * 255.0f;
+        gvert[i].b = intensity_factor[2] * 255.0f;
+      }                 
+            
+      grDrawTriangle(&gvert[0], &gvert[1], &gvert[2]);
+            
+      continue;
+    }
+        
+    grAlphaBlendFunction(GR_BLEND_SRC_ALPHA, GR_BLEND_ONE_MINUS_SRC_ALPHA, 
+                         GR_BLEND_ONE, GR_BLEND_ZERO);
+    /* Do this if 3D. */
+    if(material_index == 0) {
+      /*
+       * Draw the textured 3D without specular. 
+       */
+      sourceTexture(&textImage);
+#if 0
+      grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                     GR_COMBINE_FACTOR_LOCAL,
+                     GR_COMBINE_LOCAL_ITERATED,
+                     GR_COMBINE_OTHER_TEXTURE,
+                     FXFALSE);
+#endif
+      grAADrawTriangle(&gvert[0], &gvert[1], &gvert[2], 
+                       aa_a, aa_b, aa_c);
+    } else if(material_index != 1) {
+      /*
+       * Just go ahead and draw for things that don't
+       * have specular highlights.
+       */
+      grAADrawTriangle(&gvert[0], &gvert[1], &gvert[2],
+                       aa_a, aa_b, aa_c);
+    }
+        
+    if(do_phong && (material_index != 0)) {
+      /* 
+       * figure out texture coords in [0..255.0f] based on the normal
+       * the specular highlight.
+       */
+      for(i = 0; i < 3; i++) {
+        float *transformed_norm;
+                
+        transformed_norm = 
+          transformed_norms[face[objnum][facenum].v[i]];
+                
+        gvert[i].tmuvtx[0].sow = gvert[i].oow * 
+          (128.0f + transformed_norm[0] * 128.0f);
+        gvert[i].tmuvtx[0].tow = gvert[i].oow * 
+          (128.0f + transformed_norm[1] * 128.0f);
+                
+        gvert[i].r = intensity_factor[0] * 255.0f;
+        gvert[i].g = intensity_factor[1] * 255.0f;
+        gvert[i].b = intensity_factor[2] * 255.0f;
+      }                 
+            
+      grAADrawTriangle(&gvert[0], &gvert[1], &gvert[2], 
+                       aa_a, aa_b, aa_c);
+    }
+  }
+}
+
+static void 
+intersectLineWithZPlane(Vector result, Vector p1, 
+                        Vector p2, float z) 
+{
+  float t;
+  
+  t = (z - p1[2]) / (p2[2] - p1[2]);
+  result[0] = p1[0] + (p2[0] - p1[0]) * t;
+  result[1] = p1[1] + (p2[1] - p1[1]) * t;
+  result[2] = z;
+}
+
+static float 
+vectorMag(float *v) 
+{
+  return (float)sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
+}
+
+static void 
+drawShadow(int frame, int shadow_object_index, 
+           int receiver_object_index, Vector light_position) 
+{
+  float *shadow_object_matrix;
+  float *receiver_object_matrix;
+  Vector view_verts[4];
+  Vector projected_view_verts[4];
+  int i;
+  
+  Vector local_verts[4] = {
+    { -280.0f, 0.0f, -160.0f },
+    { -280.0f, 0.0f,  150.0f },
+    {  280.0f, 0.0f,  150.0f },
+    {  280.0f, 0.0f, -160.0f } 
+  };
+  
+  float texcoords[4][2] = {
+    {  10.5f, 127.5f },
+    {  10.5f,   0.5f },
+    { 255.0f,   0.5f },
+    { 255.0f, 127.5f }
+  };
+  
+  GrVertex gvert[4];
+  GrVertex projected_gvert[4];
+  GrVertex light_gvert;
+  
+  /*
+   * The point relative to the back part of the shield that 
+   * the shadow is going to be projected onto.
+   */
+  Vector shadow_light;
+  
+  shadow_light[0] = light_position[0];
+  shadow_light[1] = light_position[1];
+  shadow_light[2] = light_position[2];
+  
+  shadow_object_matrix   = &mat[frame][shadow_object_index][0];
+  receiver_object_matrix = &mat[frame][receiver_object_index][0];
+  
+  /*
+   * Offset the light by the Z position of 
+   * the backplane that we are projected
+   * onto.
+   */
+  shadow_light[2] += receiver_object_matrix[14];
+  
+  for(i = 0; i < 4; i++) {
+    vecMatMult(view_verts[i], local_verts[i], shadow_object_matrix);
+        
+    /*
+     * project . . . 
+     */
+    gvert[i].oow = 1.0f / view_verts[i][2];
+    gvert[i].x = 
+      view_verts[i][0] * gvert[i].oow * viewPort[0] + 
+        viewPort[1] + SNAP_BIAS;
+    gvert[i].y = 
+      view_verts[i][1] * gvert[i].oow * viewPort[2] + 
+        viewPort[3] + SNAP_BIAS;
+        
+    /*
+     * Set up texture coordinates.
+     */
+    gvert[i].tmuvtx[0].sow = texcoords[i][0] * gvert[i].oow;
+    gvert[i].tmuvtx[0].tow = texcoords[i][1] * gvert[i].oow;
+  }
+  
+  
+  /*
+   * Intersect each line formed by the light source and a
+   * particular corner of the shadow object with the 
+   * plane which the texture is to be projected onto.
+   */
+  for(i = 0; i < 4; i++) {
+    Vector tmpvect;
+    float q;
+
+#if GLIDE_PACKED_RGB
+    /* dpc - 22 oct 1997 - FixMe!
+     * These are left uninitialized, yet they are being sent to the
+     * hw, probably because some other state is not being correctly
+     * setup. This doesn't seem to affect the 'correctness' of the
+     * splash screen so I'm not investigating it any more.  
+     */
+    projected_gvert[i].r = 
+    projected_gvert[i].g = 
+    projected_gvert[i].b = 
+    projected_gvert[i].a = 0.0f;
+#endif /* GLIDE_PACKED_RGB */
+        
+    intersectLineWithZPlane(projected_view_verts[i], 
+                            shadow_light, 
+                            view_verts[i], 
+                            receiver_object_matrix[14] - 26.0f);
+    projected_gvert[i].oow = 1.0f / projected_view_verts[i][2];
+    projected_gvert[i].x = (projected_view_verts[i][0] * projected_gvert[i].oow * viewPort[0] +
+                            viewPort[1] + SNAP_BIAS);
+    projected_gvert[i].y = (projected_view_verts[i][1] * projected_gvert[i].oow * viewPort[2] +
+                            viewPort[3] + SNAP_BIAS);
+        
+    tmpvect[0] = projected_view_verts[i][0] - shadow_light[0];
+    tmpvect[1] = projected_view_verts[i][1] - shadow_light[1];
+    tmpvect[2] = projected_view_verts[i][2] - shadow_light[2];
+    q = vectorMag(tmpvect);
+        
+    /*
+     * Set up texture coordinates.
+     */
+    projected_gvert[i].tmuvtx[0].oow = projected_gvert[i].oow * q;
+    projected_gvert[i].tmuvtx[0].sow = texcoords[i][0] * projected_gvert[i].oow;
+    projected_gvert[i].tmuvtx[0].tow = texcoords[i][1] * projected_gvert[i].oow;
+  }
+  
+  light_gvert.oow = 1.0f / shadow_light[2];
+  light_gvert.x = shadow_light[0] * light_gvert.oow * viewPort[0] + viewPort[1] + SNAP_BIAS;
+  light_gvert.y = shadow_light[1] * light_gvert.oow * viewPort[2] + viewPort[3] + SNAP_BIAS;
+  
+  /*
+   * Draw a segment between the light and the point which hits
+   * the surface that the light is being projected onto.
+   */
+  grColorCombine(GR_COMBINE_FUNCTION_SCALE_OTHER,
+                 GR_COMBINE_FACTOR_ONE,
+                 GR_COMBINE_LOCAL_NONE,
+                 GR_COMBINE_OTHER_TEXTURE,
+                 FXFALSE);
+  sourceTexture(&shadowImage);
+  
+  grAlphaBlendFunction(GR_BLEND_DST_COLOR, GR_BLEND_ZERO,
+                        GR_BLEND_ONE, GR_BLEND_ZERO);
+
+  grDrawTriangle(&projected_gvert[0], 
+                 &projected_gvert[1], 
+                 &projected_gvert[2]);
+  grDrawTriangle(&projected_gvert[0], 
+                 &projected_gvert[2], 
+                 &projected_gvert[3]);
+  grDrawTriangle(&projected_gvert[0], 
+                 &projected_gvert[2], 
+                 &projected_gvert[1]);
+  grDrawTriangle(&projected_gvert[0], 
+                 &projected_gvert[3], 
+                 &projected_gvert[2]);
+  
+  grAlphaBlendFunction(GR_BLEND_ONE, GR_BLEND_ZERO,
+                       GR_BLEND_ONE, GR_BLEND_ZERO);
+  
+}
+
+
+/*-------------------------------------------------------------------
+  Function: grSplash
+  Date: 3/13
+  Implementor(s): GaryMcT
+  Library: Glide
+  Description:
+  Render the opening splash screen animation, or render
+  a single frame of the splash screen.
+  Arguments:
+  x, y - upper left hand coord of window
+  w, h - width and height of window to render
+  _frame - frame number to render (~0 to render all frames)
+  Return:
+  none
+  -------------------------------------------------------------------*/
+GR_DIENTRY(grSplash,void,(float x,float y,float w,float h,FxU32 _frame))
+{
+  GrState oldState;
+  int frame;
+  Vector lights[] = {
+    { 5.0f, 300.0f, -1500.0f },
+    { 5.0f, 150.0f, -1000.0f },
+    { -30.0f, 150.0f, -1000.0f },
+    { -30.0f, 100.0f, -1000.0f },
+    { 30.0f, 70.0f, -1000.0f },
+  };
+  GrFog_t fogTable[kInternalFogTableEntryCount];
+  int fadeInFrames, fadeOutFrames;
+
+  GR_BEGIN_NOFIFOCHECK("grSplash", 85);
+  GDBG_INFO_MORE(gc->myLevel,"(%f,%f,%f,%f,%d)\n", x, y, w, h, _frame);
+
+  /* Check Screen Dimensions and Check Avail of Depth Buffer */
+  if ((x > gc->state.screen_width) || 
+      ((x+w) > gc->state.screen_width) ||
+      (y > gc->state.screen_height) ||
+      ((y+h) > gc->state.screen_height)) 
+    return;
+
+  if (gc->state.screen_height == 640) {
+    if (gc->fbuf_size == 1) {
+      return;
+    }
+  } else if (gc->state.screen_width == 800) {
+    if ((gc->fbuf_size == 1) ||
+        (gc->fbuf_size == 2)) {
+      return;
+    }
+  }
+
+  if (gc->grAuxBuf == 0) return;
+
+  if (!(gc->state.fbi_config.fbzMode & SST_YORIGIN)) {
+    y = ((gc->state.screen_height - 1.0f) - (h-1.0f)) - y;
+  }
+        
+  viewPort[0] = w *  (480.0f / 640.0f);
+  viewPort[1] = x + (w / 2.0f);
+  viewPort[2] = h;
+  viewPort[3] = y + (h / 2.0f);
+
+  grGlideGetState(&oldState);
+
+  grSstOrigin(GR_ORIGIN_LOWER_LEFT);
+
+  if (_frame == 0) {
+    createTextures();
+    useTextures = 1;
+  } else {
+    useTextures = 0;
+  }
+
+  grAlphaTestFunction(GR_CMP_ALWAYS);
+  grChromakeyMode(GR_CHROMAKEY_DISABLE);
+  grConstantColorValue(0xffffffff);
+  grDepthBufferMode(GR_DEPTHBUFFER_WBUFFER);
+  grDepthMask(FXTRUE);
+  grAlphaCombine(GR_COMBINE_FUNCTION_LOCAL,
+                 GR_COMBINE_FACTOR_NONE,
+                 GR_COMBINE_LOCAL_ITERATED,
+                 GR_COMBINE_OTHER_NONE,
+                 FXFALSE);
+  grAlphaBlendFunction(GR_BLEND_ONE, GR_BLEND_ZERO,
+                       GR_BLEND_ONE, GR_BLEND_ZERO);
+  if (useTextures)
+    grTexCombine(GR_TMU0, 
+                 GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE,
+                 GR_COMBINE_FUNCTION_NONE, GR_COMBINE_FACTOR_NONE,
+                 FXFALSE, FXFALSE);
+  else
+    grTexCombine(GR_TMU0,
+                 GR_COMBINE_FUNCTION_ZERO, GR_COMBINE_FACTOR_NONE,
+                 GR_COMBINE_FUNCTION_NONE, GR_COMBINE_FACTOR_NONE,
+                 FXTRUE, FXFALSE);
+  grTexMipMapMode(GR_TMU0,
+                  GR_MIPMAP_NEAREST,
+                  FXFALSE);
+  grTexFilterMode(GR_TMU0,
+                  GR_TEXTUREFILTER_BILINEAR,
+                  GR_TEXTUREFILTER_BILINEAR);
+  grDepthBufferFunction(GR_CMP_LEQUAL);
+  grCullMode(GR_CULL_NEGATIVE);
+  /* grClipWindow((int)x, (int)y, (int)(x+w), (int)(y+h)); */
+  grFogColorValue(0x0);
+  
+  fadeInFrames  = (int)(((float)total_num_frames) * FADEIN_END_PERCENT);
+  fadeOutFrames = (int)(((float)total_num_frames) * 
+                        (1.0f - FADEOUT_BEGIN_PERCENT));
+
+  if (_frame == 0) {          /* Render Whole Animation */
+    for(frame = 1; frame < total_num_frames; frame++) {
+      int i;
+            
+      /* Set Fog Value For This Frame */
+      if(frame < fadeInFrames)  {
+        unsigned char fval = (((unsigned char)0xFF) - 
+                              ((unsigned char)(255.0f * (float)(frame + 1) / (float)fadeInFrames)));
+        for(i = 0; i < kInternalFogTableEntryCount; i++) fogTable[i] = fval;
+        grFogMode(GR_FOG_WITH_TABLE);
+        grFogTable(fogTable);
+        fog = 1;
+      } else if(frame > total_num_frames-fadeOutFrames) {
+        unsigned char fval = (((unsigned char)0xFF) - 
+                              (unsigned char)(255.0f* ((float)(total_num_frames - frame))/ 
+                                              ((float)fadeOutFrames)));
+        for(i = 0; i < kInternalFogTableEntryCount; i++) 
+          fogTable[i] = fval;
+        grFogMode(GR_FOG_WITH_TABLE);
+        grFogTable(fogTable);
+        fog = 1;
+      } else  {
+        grFogMode(GR_FOG_DISABLE);
+        fog = 0;
+      }
+        
+      grBufferClear(0x00000000, 0, GR_WDEPTHVALUE_FARTHEST);
+        
+      pass = 1;
+
+      /*
+       * Avoid Z-aliasing between the shield and the 3dfx by
+       * not writing Z for the shield.
+       */
+
+      grDepthMask(FXFALSE);
+      /* cyan part of shield */
+      xfAndProj(frame, 2);
+      drawFaces(frame, 2);
+      
+      /* yellow and white part of shield. */
+      xfAndProj(frame, 0);
+      drawFaces(frame, 0);
+
+      /*
+       * Reanable writes to the depth-buffer.
+       */
+      grDepthMask(FXTRUE);
+
+      /*
+       * Draw the shadow projected from the 3Dfx logo onto
+       * the rest of the powershield.
+       */
+      grDepthBufferFunction(GR_CMP_ALWAYS);
+      grFogMode(GR_FOG_DISABLE);
+      drawShadow(frame, 1, 0, lights[0]);
+      if (fog) grFogMode(GR_FOG_WITH_TABLE); /* hack around mp fog */
+      grDepthBufferFunction(GR_CMP_LEQUAL);
+
+      /* 3Dfx logo */
+      xfAndProj(frame, 1);
+      drawFaces(frame, 1);
+      grAlphaBlendFunction(GR_BLEND_ONE, GR_BLEND_ONE,
+                           GR_BLEND_ONE, GR_BLEND_ZERO);
+
+      pass = 2;
+      drawFaces(frame, 1);
+      pass = 1;
+      grAlphaBlendFunction(GR_BLEND_ONE, GR_BLEND_ZERO,
+                           GR_BLEND_ONE, GR_BLEND_ZERO);
+
+      grBufferSwap(2);
+    }
+  } else {                      /* Render One Frame */
+    frame = ((_frame>>1) % SPIN_FRAMES)+SPIN_START;
+        
+    grColorMask(FXFALSE, FXFALSE);
+    grBufferClear(0x00000000, 0, GR_WDEPTHVALUE_FARTHEST);
+    grColorMask(FXTRUE, FXFALSE);
+        
+    pass = 0xbeef;
+        
+    /* 3Dfx logo */
+    xfAndProj(frame, 1);
+    drawFaces(frame, 1);
+  }
+
+  /* Get rid of the remnants on teh screen just in case
+   * the app (like PowerRender) doesn't do it itself yet
+   * assumes that the screen is clear.
+   */
+  if (frame == 0) {
+    int i;
+    
+    for(i = 0; i < gc->grColBuf; i++) {
+      grBufferClear(0x00000000, 0, GR_WDEPTHVALUE_FARTHEST);
+      grBufferSwap(0);
+    }
+  }
+    
+  /*
+   * Clean up after yourself!
+   */
+  grGlideSetState(&oldState);
+
+}
+

glide2x/cvg/glide/src/gsstdef.h

@@ -0,0 +1,241 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 4     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 3     5/21/97 6:05a Peter
+**
+*/
+#ifndef __GSSTDEF_H__
+#define __GSSTDEF_H__
+
+
+#if (GLIDE_PLATFORM & GLIDE_HW_CVG)
+#include <cvg.h>
+#else
+#include <sst.h>
+#endif
+
+/*----------------- SST chip layout -----------------------*/
+typedef enum
+{
+   SSTR_STATUS,
+   SSTR_RESERVED0,
+   SSTR_VAX,
+   SSTR_VAY,
+   SSTR_VBX,
+   SSTR_VBY,
+   SSTR_VCX,
+   SSTR_VCY,
+#ifdef GLIDE_USE_ALT_REGMAP
+   SSTR_R,
+   SSTR_DRDX,
+   SSTR_DRDY,
+
+   SSTR_G,
+   SSTR_DGDX,
+   SSTR_DGDY,
+
+   SSTR_B,
+   SSTR_DBDX,
+   SSTR_DBDY,
+
+   SSTR_Z,
+   SSTR_DZDX,
+   SSTR_DZDY,
+
+   SSTR_A,
+   SSTR_DADX,
+   SSTR_DADY,
+
+   SSTR_S,
+   SSTR_DSDX,
+   SSTR_DSDY,
+
+   SSTR_T,
+   SSTR_DTDX,
+   SSTR_DTDY,
+
+   SSTR_W,
+   SSTR_DWDX,
+   SSTR_DWDY,
+#else
+   SSTR_R,
+   SSTR_G,
+   SSTR_B,
+   SSTR_Z,
+   SSTR_A,
+   SSTR_S,
+   SSTR_T,
+   SSTR_W,
+
+   SSTR_DRDX,
+   SSTR_DGDX,
+   SSTR_DBDX,
+   SSTR_DZDX,
+   SSTR_DADX,
+   SSTR_DSDX,
+   SSTR_DTDX,
+   SSTR_DWDX,
+
+   SSTR_DRDY,
+   SSTR_DGDY,
+   SSTR_DBDY,
+   SSTR_DZDY,
+   SSTR_DADY,
+   SSTR_DSDY,
+   SSTR_DTDY,
+   SSTR_DWDY,
+#endif
+   SSTR_TRIANGLECMD,
+   SSTR_RESERVED1,
+
+   SSTR_FVAX,
+   SSTR_FVAY,
+   SSTR_FVBX,
+   SSTR_FVBY,
+   SSTR_FVCX,
+   SSTR_FVCY,
+#ifdef GLIDE_USE_ALT_REGMAP
+   SSTR_FR,
+   SSTR_FDRDX,
+   SSTR_FDRDY,
+                
+   SSTR_FG,
+   SSTR_FDGDX,
+   SSTR_FDGDY,
+
+   SSTR_FB,
+   SSTR_FDBDX,
+   SSTR_FDBDY,
+
+   SSTR_FZ,
+   SSTR_FDZDX,
+   SSTR_FDZDY,
+
+   SSTR_FA,
+   SSTR_FDADX,
+   SSTR_FDADY,
+
+   SSTR_FS,
+   SSTR_FDSDX,
+   SSTR_FDSDY,
+
+   SSTR_FT,
+   SSTR_FDTDX,
+   SSTR_FDTDY,
+
+   SSTR_FW,
+   SSTR_FDWDX,
+   SSTR_FDWDY,
+#else 
+   SSTR_FR,
+   SSTR_FG,
+   SSTR_FB,
+   SSTR_FZ,
+   SSTR_FA,
+   SSTR_FS,
+   SSTR_FT,
+   SSTR_FW,
+
+   SSTR_FDRDX,
+   SSTR_FDGDX,
+   SSTR_FDBDX,
+   SSTR_FDZDX,
+   SSTR_FDADX,
+   SSTR_FDSDX,
+   SSTR_FDTDX,
+   SSTR_FDWDX,
+
+   SSTR_FDRDY,
+   SSTR_FDGDY,
+   SSTR_FDBDY,
+   SSTR_FDZDY,
+   SSTR_FDADY,
+   SSTR_FDSDY,
+   SSTR_FDTDY,
+   SSTR_FDWDY,
+#endif
+   SSTR_FTRIANGLECMD,
+   SSTR_FBZCOLORPATH,
+   SSTR_FOGMODE,
+   SSTR_ALPHAMODE,
+   SSTR_FBZMODE,
+   SSTR_LFBMODE,
+   SSTR_CLIPLEFTRIGHT,
+   SSTR_CLIPBOTTOMTOP,
+
+   SSTR_NOPCMD,
+   SSTR_FASTFILLCMD,
+   SSTR_SWAPBUFFERCMD,
+   SSTR_FOGCOLOR,
+   SSTR_ZACOLOR,
+   SSTR_CHROMAKEY,
+   SSTR_RESERVED2,
+   SSTR_RESERVED3,
+
+   SSTR_STIPPLE,
+   SSTR_C0,
+   SSTR_C1,
+
+   SSTR_FBIPIXELSIN,
+   SSTR_FBICHROMAFAIL,
+   SSTR_FBIZFUNCFAIL,
+   SSTR_FBIAFUNCFAIL,
+   SSTR_FBIPIXELSOUT,
+
+   SSTR_FOGTABLE,
+   SSTR_RESERVED8 = SSTR_FOGTABLE + 32,
+
+   SSTR_FBIINIT4 = SSTR_RESERVED8 + 8,
+   SSTR_VRETRACE,
+   SSTR_BACKPORCH,
+   SSTR_VIDEODIMENSIONS,
+   SSTR_FBIINIT0,
+   SSTR_FBIINIT1,
+   SSTR_FBIINIT2,
+   SSTR_FBIINIT3,
+
+   SSTR_HSYNC,
+   SSTR_VSYNC,
+   SSTR_CLUTDATA,
+   SSTR_DACDATA,
+   SSTR_MAX_RGB_DELTA,
+   SSTR_RESERVED51,
+
+   SSTR_TEXTUREMODE = SSTR_RESERVED51 + 51,
+   SSTR_TLOD,
+   SSTR_TDETAIL,
+   SSTR_TEXBASEADDR,
+   SSTR_TEXBASEADDR1,
+   SSTR_TEXBASEADDR2,
+   SSTR_TEXBASEADDR38,
+   SSTR_TEXINIT0,
+   SSTR_TEXINIT1,
+
+   SSTR_NCCTABLE0,
+   SSTR_NCCTABLE1 = SSTR_NCCTABLE0 + 12,
+   SSTR_END_OF_REGISTER_SET
+} GrSstRegister;
+
+#endif /* __GSSTDEF_H__ */

glide2x/cvg/glide/src/gstrip.c

@@ -0,0 +1,302 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 19    12/12/97 12:43p Atai
+ * move i and dateElem into the set up loop
+ * 
+ * 17    12/08/97 10:38a Atai
+ * added grDrawVertexArrayLinear()
+ * 
+ * 16    11/21/97 6:05p Atai
+ * use one datalist (tsuDataList) in glide3
+ * 
+ * 15    11/06/97 6:10p Atai
+ * update GrState size
+ * rename grDrawArray to grDrawVertexArray
+ * update _grDrawPoint and _grDrawVertexList
+ * 
+ * 14    11/04/97 6:35p Atai
+ * 1. sync with data structure changes
+ * 2. break up aa triangle routine
+ * 
+ * 13    11/04/97 4:57p Atai
+ * use byte offset
+ * 
+ * 12    11/03/97 3:43p Peter
+ * h3/cvg cataclysm
+ * 
+ * 11    10/17/97 2:11p Atai
+ * added grContinueArray. We only support non aa mode for now.
+ * 
+ * 10    10/16/97 1:50p Atai
+ * fix drawarray bugs
+ * 
+ * 9     10/14/97 6:16p Atai
+ * reverse triangle order in _grAADrawVertexList
+ * 
+ * 8     10/14/97 5:41p Atai
+ * added _grAADrawVertexList()
+ * 
+ * 7     10/14/97 4:57p Dow
+ * Clamping
+ * 
+ * 6     10/09/97 8:02p Dow
+ * State Monster 1st Cut
+ * 
+ * 5     10/08/97 11:32a Peter
+ * pre-computed packet headers for packet 3
+ * 
+ * 4     9/29/97 1:26p Dow
+ * Fixed packed color strips/fans
+ * 
+ * 3     9/26/97 10:24a Dow
+ * Fixed state Muckage in Glide3 parameter data
+ * 
+ * 2     9/23/97 2:35p Dow
+ * One less loop
+ * 
+ * 1     9/23/97 2:04p Dow
+ * DD code for strips
+**
+*/
+#ifdef GLIDE3
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+/*-------------------------------------------------------------------
+  Function: _grDrawVertexList
+  Date: 18-Sep-97
+  Implementor(s): dow
+  Description:
+        Sends a triangle strip to CVG.
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+void FX_CSTYLE
+_grDrawVertexList(FxU32 type, FxI32 mode, FxI32 count, void *pointers)
+{
+#define FN_NAME "_grDrawVertexList"
+
+  /*
+  ** simplified code
+  */
+  FxU32
+    vNum = 0,
+    vSize;
+  float
+    **lPtrs = (float **) pointers;
+  FxI32 stride = mode;
+  FxU32
+    sCount = count, set = 0, pktype = SSTCP_PKT3_BDDDDD;
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 90);
+
+  GDBG_INFO_MORE(gc->myLevel, "(type = 0x%x, count = %d, pointers = 0x%x)\n",
+                 type, count, pointers);
+
+  GR_FLUSH_STATE();
+
+  vSize = gc->state.vData.vSize;
+  if (stride == 0)
+    stride = gc->state.vData.vStride;
+
+  /* Draw the first (or possibly only) set.  This is necessary because
+     the packet is 3_BDDDDDD, and in the next set, the packet is
+     3_DDDDDD */
+  /*
+  ** We try to make tstrip code simple to read. We combine the original code
+  ** into a single loop by adding an extra packet type assignment at the end of the loop.
+  ** Also, the debugging code are removed temporarily.
+  */
+  if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS) {
+    while (count > 0) {
+      FxI32 k, vcount = count >= 15 ? 15 : count;
+      GR_SET_EXPECTED_SIZE(vcount * vSize, 1);
+      TRI_STRIP_BEGIN(type, vcount, vSize, pktype);
+      /*
+      ** If we use a while loop, the compiler will increment vNum and store the value back
+      ** to the memory at every loop. In a for loop, vNum data are kept in a register.
+      ** After the loop complete, the vNum data are written back to memory.
+      */
+      for (k = 0; k < vcount; k++) {
+        FxU32 i, dataElem;
+        float *vPtr;
+        
+        vPtr = pointers;
+        if (mode)
+          vPtr = *(float **)vPtr;
+        (float *)pointers += stride;
+        
+        TRI_SETF(FARRAY(vPtr, GR_VERTEX_X_OFFSET << 2));
+        dataElem = 0;
+        TRI_SETF(FARRAY(vPtr, GR_VERTEX_Y_OFFSET << 2));
+        i = gc->tsuDataList[dataElem];
+        while (i != GR_DLIST_END) {
+          TRI_SETF(FARRAY(vPtr, i));
+          dataElem++;
+          i = gc->tsuDataList[dataElem];
+        }
+      }
+      TRI_END;
+      GR_CHECK_SIZE();
+      count -= 15;
+      pktype = SSTCP_PKT3_DDDDDD;
+    }
+  }
+  else {
+    /*
+     * first cut of clip space coordinate code, no optimization.
+     */
+    float oow;
+    
+    while (count > 0) {
+      FxI32 k, vcount = count >= 15 ? 15 : count;
+      GR_SET_EXPECTED_SIZE(vcount * vSize, 1);
+      TRI_STRIP_BEGIN(type, vcount, vSize, pktype);
+      for (k = 0; k < vcount; k++) {
+        float *vPtr;
+        
+        vPtr = pointers;
+        if (mode)
+          vPtr = *(float **)vPtr;
+        oow = 1.0f / FARRAY(vPtr, gc->state.vData.wInfo.offset);
+        /* x, y */
+        TRI_SETF(FARRAY(vPtr, GR_VERTEX_X_OFFSET << 2)
+                 *oow*gc->state.Viewport.hwidth + gc->state.Viewport.ox);
+        TRI_SETF(FARRAY(vPtr, GR_VERTEX_Y_OFFSET << 2)
+                 *oow*gc->state.Viewport.hheight + gc->state.Viewport.oy);
+        (float *)pointers += stride;
+
+        TRI_VP_SETFS(vPtr, oow);
+      }
+      TRI_END;
+      GR_CHECK_SIZE();
+      count -= 15;
+      pktype = SSTCP_PKT3_DDDDDD;
+    }
+  }
+
+#undef FN_NAME
+} /* _grDrawVertexList */
+
+/*-------------------------------------------------------------------
+  Function: _grAADrawVertexList
+  Date: 14-Oct-97
+  Implementor(s): atai
+  Description:
+  Sends an aa triangle strip/fan to CVG.
+  Arguments:
+  
+  Return:
+  -------------------------------------------------------------------*/
+void FX_CSTYLE
+_grAADrawVertexList(FxU32 type, FxI32 mode, FxI32 count, void *pointers)
+{
+#define FN_NAME "_grAADrawVertexList"
+
+  GR_DCL_GC;
+  FxU32 vNum = 0;
+  FxU32 sCount = count;
+  float
+    **lPtrs = (float **) pointers;
+  float *v[3];
+  FxBool flip = FXFALSE;
+  FxU32 fbzModeOld;                 /* Squirrel away current fbzMode */
+  FxI32 stride = mode;
+
+  if (sCount <= 2) return;
+
+  _grDrawVertexList(type, mode, count, pointers);
+
+  fbzModeOld = gc->state.fbi_config.fbzMode;
+  gc->state.fbi_config.fbzMode &= ~(SST_ZAWRMASK);
+  /* gc->state.invalid |= fbzModeBIT; */
+  GR_FLUSH_STATE();
+  if (stride == 0)
+    stride = gc->state.vData.vStride;
+
+  sCount-=2;
+  if (type == kSetupFan) {
+    v[0] = (mode == 0) ? pointers : *(float **)pointers;
+    while (sCount--) {
+      (float *)pointers += stride;
+      if (mode) {
+        v[1] = *(float **)pointers;
+        v[2] = *((float **)pointers+1);
+      } else {
+        v[1] = pointers;
+        v[2] = (float *)pointers+stride;
+      }
+      if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS)
+        _grAADrawTriangles(1, type, 3, v);
+      else
+        _grAAVpDrawTriangles(1, type, 3, v);    
+    }
+  }
+  else if (type == kSetupStrip){
+    while (sCount--) {
+      if (flip) {
+        if (mode) {
+          v[0] = *((float **)pointers+1);
+          v[1] = *(float **)pointers;
+          v[2] = *((float **)pointers+2);
+        } else {
+          v[0] = (float *)pointers+stride;
+          v[1] = pointers;
+          v[2] = (float *)pointers+(stride<<1);
+        }
+      }
+      else { 
+        if (mode) {
+          v[0] = *(float **)pointers;
+          v[1] = *((float **)pointers+1);
+          v[2] = *((float **)pointers+2);
+        } else {
+          v[0] = pointers;
+          v[1] = (float *)pointers+stride;
+          v[2] = (float *)pointers+(stride<<1);
+        }
+      }
+      if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS)
+        _grAADrawTriangles(1, type, 3, v);
+      else
+        _grAAVpDrawTriangles(1, type, 3, v);    
+      (float *)pointers += stride;
+      flip = ~flip;
+    }
+    flip = ~flip;
+  }
+
+  gc->state.fbi_config.fbzMode = fbzModeOld;
+  gc->state.invalid |= fbzModeBIT;
+  GR_FLUSH_STATE();
+
+#undef FN_NAME
+} /* _grAADrawVertexList */
+
+#endif

glide2x/cvg/glide/src/gtexdl.c

@@ -0,0 +1,895 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.2.2.2  2005/01/22 14:52:02  koolsmoky
+** enabled packed argb for cmd packet type 3
+**
+** Revision 1.2.2.1  2004/12/23 20:45:56  koolsmoky
+** converted to nasm syntax
+** added x86 asm, 3dnow! triangle and mmx, 3dnow! texture download optimizations
+**
+** Revision 1.2  2000/10/03 18:28:33  mercury
+** 003-clean_up_cvg-000, cvg tree cleanup.
+**
+** Revision 1.1.1.1  1999/12/07 21:49:11  joseph
+** Initial checkin into SourceForge.
+**
+** 
+** 61    5/18/98 12:11p Peter
+** removed unnecesasry fencing
+** 
+** 60    4/29/98 2:32p Peter
+** fixed texture palette broadcast
+** 
+** 59    3/30/98 2:46p Peter
+** fixed texture download muckage
+** 
+** 58    3/29/98 10:54p Jdt
+** Unset GLIDE_POINTCAST_PALETTE
+** 
+** 57    2/20/98 5:31p Peter
+** crybaby glide
+** 
+** 56    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+** 
+** 55    2/02/98 2:14p Atai
+** fixed palette broadcasts in  _grTexDownloadNccTable and
+** _grTexDownloadPalette 
+ * 
+ * 54    1/09/98 6:48p Atai
+ * grTexInfo, GR_LOD_* and GR_ASPECT_*
+ * 
+ * 53    1/08/98 7:09p Peter
+ * real hw stuff modulo makefile change
+ * 
+ * 52    1/08/98 4:58p Atai
+ * tex table broadcast, grVertexLayout enable/disable, stq, and some
+ * defines
+ * 
+ * 51    1/08/98 11:06a Dow
+ * Set palette downloads to broadcast.
+ * 
+ * 50    12/11/97 4:15p Peter
+ * fixed assertions
+ * 
+ * 49    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 48    12/05/97 4:26p Peter
+ * watcom warnings
+ * 
+ * 47    12/02/97 9:48a Dow
+ * Got rid of Texelfx rev 0 warning
+ * 
+ * 46    11/21/97 1:03p Peter
+ * small texture download problem
+ * 
+ * 45    11/20/97 6:57p Dow
+ * Texture Downloads for Banshee
+ * 
+ * 44    11/18/97 4:36p Peter
+ * chipfield stuff cleanup and w/ direct writes
+ * 
+ * 43    11/17/97 4:55p Peter
+ * watcom warnings/chipfield stuff
+ * 
+ * 42    11/14/97 12:09a Peter
+ * comdex thing and some other stuff
+ * 
+ * 41    11/12/97 11:16a Peter
+ * cleaned up assertions
+ * 
+ * 40    11/05/97 1:50p Peter
+ * fixed partial palette downloads
+ * 
+ * 39    11/03/97 3:43p Peter
+ * h3/cvg cataclysm
+ * 
+ * 38    10/08/97 11:33a Peter
+ * reg group for palette download
+ * 
+ * 37    9/15/97 7:31p Peter
+ * more cmdfifo cleanup, fixed normal buffer clear, banner in the right
+ * place, lfb's are on, Hmmmm.. probably more
+ * 
+ * 36    9/04/97 3:32p Peter
+ * starting grouping serial reg writes
+ * 
+ * 35    8/18/97 3:52p Peter
+ * pre-hw arrival fixes/cleanup
+ * 
+ * 34    7/26/97 5:18p Peter
+ * fixed macro muckage
+ * 
+ * 33    7/08/97 2:49p Peter
+ * 
+ * 32    7/02/97 12:28p Peter
+ * removed spurious NOP, tex dl
+ * 
+ * 31    6/30/97 3:22p Peter
+ * cmd fifo sanity
+ * 
+**
+*/
+
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+/* externals from gtex.c */
+extern FxU32 _gr_aspect_xlate_table[];
+extern FxU32 _gr_evenOdd_xlate_table[];
+extern const int _grMipMapHostWH[GR_ASPECT_1x8 + 1][GR_LOD_1 + 1][2];
+
+/*---------------------------------------------------------------------------
+** _grTexDownloadNccTable
+**
+** Downloads an ncctable to the specified _physical_ TMU(s).  This
+** function is called internally by Glide and should not be executed
+** by an application.
+*/
+GR_DDFUNC(_grTexDownloadNccTable,
+          void,
+          (GrChipID_t tmu, FxU32 which, const GuNccTable *table, int start, int end))
+{
+#define FN_NAME "_grTexDownloadNccTable"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME,89);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,%d, 0x%x, %d,%d)\n",tmu,which,table,start,end);
+  GR_ASSERT(start==0);
+  GR_ASSERT(end==11);
+
+  /* check for null pointer */
+  if (table == NULL) return;
+
+  _GlideRoot.stats.palDownloads++;
+  _GlideRoot.stats.palBytes += (end-start+1)<<2;
+
+  if (gc->tmu_state[tmu].ncc_table[which] != table) {
+    SstRegs* texHW;
+    int i;
+#ifdef GLIDE_POINTCAST_PALETTE
+    texHW = SST_TMU(hw,tmu);
+#else
+    texHW = SST_CHIP(hw,0xe);
+#endif
+
+    if (which == 0) {
+#ifdef GLIDE_POINTCAST_PALETTE
+      REG_GROUP_BEGIN((0x02UL << tmu), nccTable0, 12, 0x0FFF);
+#else
+      REG_GROUP_BEGIN(0x0EUL, nccTable0, 12, 0x0FFF);
+#endif
+      for (i = 0; i < 12; i++) REG_GROUP_SET(texHW, nccTable0[i], table->packed_data[i]);
+      REG_GROUP_END();
+    } else {
+#ifdef GLIDE_POINTCAST_PALETTE
+      REG_GROUP_BEGIN((0x02UL << tmu), nccTable1, 12, 0x0FFF);
+#else
+      REG_GROUP_BEGIN(0x0EUL, nccTable1, 12, 0x0FFF);
+#endif
+      for (i = 0; i < 12; i++) REG_GROUP_SET(texHW, nccTable1[i], table->packed_data[i]);
+      REG_GROUP_END();
+    }
+
+    gc->tmu_state[tmu].ncc_table[which] = table;
+  }
+
+  GR_END();
+#undef FN_NAME
+} /* _grTexDownloadNccTable */
+
+/*-------------------------------------------------------------------
+  Function: _grTexDownloadPalette
+  Date: 6/9
+  Implementor(s): jdt
+  Library: Glide
+  Description:
+    Private function to download a palette to the specified tmu
+  Arguments:
+    tmu - which tmu to download the palette to
+    pal - the pallete data
+    start - beginning index to download
+    end   - ending index to download
+  Return:
+    none
+  -------------------------------------------------------------------*/
+GR_DDFUNC(_grTexDownloadPalette,
+          void,
+          (GrChipID_t tmu, GuTexPalette *pal, int start, int end))
+{
+#define FN_NAME "_grTexDownloadPalette"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 89);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,0x%x, %d,%d)\n",tmu,pal,start,end);
+
+  GR_CHECK_F(FN_NAME, pal == NULL, "pal invalid");
+  GR_CHECK_F(FN_NAME, start < 0, "invalid start index");
+  GR_CHECK_F(FN_NAME, end > 255, "invalid end index");
+    
+  /* NOTE:
+  **
+  **  This code broadcasts the palette because in the future, we will
+  **  only support one global texture palette no matter how many TMUs
+  **  there are.  This is fallout from the fact that future hardware
+  **  has a unified memory architecture.
+  **  
+  **  Source licensees (meaning arcade or LBE vendors that) require the
+  **  one palette/tmu mode should define GLIDE_POINTCAST_PALETTE on
+  **  the command line for this file.  Understand, however, that this
+  **  will not work on future hardware.
+  */
+
+#ifdef GLIDE_POINTCAST_PALETTE
+  /*
+  **  FURTHER NOTE:  
+  **  There is a sublety (nice way of saying BUG) here.
+  **  If TMU0 is specified, then the palette will be broadcast to all
+  **  TMUS.  So, if the user downloads TMU1's palette, then TMU0's
+  **  palette, TMU0's palette will be on *both* TMUs.  This is a
+  **  pretty strong indicator that no one is using separate palettes
+  **  on different TMUs.
+  */
+  hw = SST_TMU(hw,tmu);
+#else
+  hw = SST_CHIP(hw,0xE);
+#endif
+
+  _GlideRoot.stats.palDownloads++;
+  _GlideRoot.stats.palBytes += ((end - start + 1) << 2);
+
+  /* We divide the writes into 3 chunks trying to group things into
+   * complete 8 word grouped packets to fit the nccTable palette
+   * format: stuff before the 8 word alignment, aligned writes, and
+   * stuff after the 8 word alignment to the end. The slop regions
+   * are one packet apiece.  
+   */
+  {
+#ifdef GLIDE_POINTCAST_PALETTE
+    const FifoChipField chipId = (FifoChipField)(0x02UL << tmu);
+#else
+    const FifoChipField chipId = (FifoChipField)0x0EUL;
+#endif
+    const int endSlop = (end & ~0x07);
+    const int startSlop = MIN(((start + 8) & ~0x07) - 1, end);
+    int i = start;
+
+    /* Is the start of the palette range unaligned or is the end of
+     * the range less than a completely aligned range?  
+     */
+    if (((start & 0x07) != 0) || (end < ((start + 8) & ~0x07))) {
+      const FxI32 slopCount = startSlop - start + 1;
+      GR_ASSERT((slopCount > 0) && (slopCount <= 8));
+    
+      REG_GROUP_BEGIN(chipId, nccTable0[4 + (start & 0x07)], 
+                      slopCount, (0xFF >> (8 - slopCount)));
+      while(i < start + slopCount) {
+        REG_GROUP_SET(hw, nccTable0[4 + (i & 0x07)],
+                      (0x80000000 | ((i & 0xFE) << 23) | (pal->data[i] & 0xFFFFFF)));
+        i++;
+      }
+      REG_GROUP_END();
+    }
+
+    /* Do all of the aligned palette ranges. */
+    while(i < endSlop) {
+      const int endIndex = i + 8;
+      
+      REG_GROUP_BEGIN(chipId, nccTable0[4], 8, 0xFF);
+      while(i < endIndex) {
+        REG_GROUP_SET(hw, nccTable0[4 + (i & 0x07)],
+                      (0x80000000 | ((i & 0xFE) << 23) | (pal->data[i] & 0xFFFFFF)));
+        i++;
+      }
+      REG_GROUP_END();
+    }
+  
+    /* Do we have any more slop at the end of the ragne? */
+    if (i <= end) {
+      const FxU32 slopCount = end - endSlop + 1;
+      
+      REG_GROUP_BEGIN(chipId, nccTable0[4], 
+                      slopCount, (0xFF >> (8 - slopCount)));
+      while(i <= end) {
+        REG_GROUP_SET(hw, nccTable0[4 + (i & 0x07)],
+                      (0x80000000 | ((i & 0xFE) << 23) | (pal->data[i] & 0xFFFFFF)));
+        i++;
+      }
+      REG_GROUP_END();
+    }
+  }
+    
+  GR_END();
+#undef FN_NAME
+} /* _grTexDownloadPalette */
+
+/*-------------------------------------------------------------------
+  Function: grTexDownloadTable
+  Date: 6/3
+  Implementor(s): jdt, GaryMcT
+  Library: glide
+  Description:
+    download look up table data to a tmu
+  Arguments:
+    tmu - which tmu
+    type - what type of table to download
+        One of:
+            GR_TEXTABLE_NCC0
+            GR_TEXTABLE_NCC1
+            GR_TEXTABLE_PALETTE
+    void *data - pointer to table data
+  Return:
+    none
+  -------------------------------------------------------------------*/
+GR_ENTRY(grTexDownloadTable,
+         void,
+         (GrChipID_t tmu, GrTexTable_t type,  void *data))
+{
+#define FN_NAME "grTexDownloadTable"
+  GR_BEGIN_NOFIFOCHECK("grTexDownloadTable",89);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,%d,0x%x)\n",tmu,type,data);
+  GR_CHECK_TMU(FN_NAME,tmu);
+  GR_CHECK_F(FN_NAME, type > GR_TEXTABLE_PALETTE, "invalid table specified");
+  GR_CHECK_F(FN_NAME, !data, "invalid data pointer");
+
+  if (type == GR_TEXTABLE_PALETTE)     /* Need Palette Download Code */
+    _grTexDownloadPalette(tmu, (GuTexPalette *)data, 0, 255);
+  else {                                 /* Type is an ncc table */
+    _grTexDownloadNccTable(tmu, type, (GuNccTable*)data, 0, 11);
+    /*    _grTexDownloadNccTable(tmu, type, (GuNccTable*)data, 0, 11); */
+  }
+  GR_END();
+#undef FN_NAME
+} /* grTexDownloadTable */
+
+
+/*-------------------------------------------------------------------
+  Function: grTexDownloadMipMapLevelPartial
+  Date: 6/2
+  Implementor(s): GaryMcT, Jdt
+  Library: glide
+  Description:
+    Downloads a mipmap level to the specified tmu at the given
+    texture start address
+  Arguments:
+    tmu           - which tmu
+    startAddress - starting address for texture download,
+                     this should be some value between grTexMinAddress()
+                     and grTexMaxAddress()
+    thisLod      - lod constant that describes the mipmap level
+                    to be downloaded
+    largeLod     - largest level of detail in complete mipmap to 
+                   be downloaded at startAddress of which level to
+                   be downloaded is a part
+    aspectRatio  - aspect ratio of this mipmap
+    format        - format of mipmap image data
+    evenOdd      - which set of mipmap levels have been downloaded for
+                    the selected texture
+                    One of:
+                      GR_MIPMAPLEVELMASK_EVEN 
+                      GR_MIPMAPLEVELMASK_ODD
+                      GR_MIPMAPLEVELMASK_BOTH
+    data          - pointer to mipmap data
+  Return:
+    none
+  -------------------------------------------------------------------*/
+
+GR_ENTRY(grTexDownloadMipMapLevelPartial,
+         void,
+         (GrChipID_t tmu, FxU32 startAddress,
+          GrLOD_t thisLod, GrLOD_t largeLod, GrAspectRatio_t   aspectRatio,
+          GrTextureFormat_t format, FxU32 evenOdd, void *data, int t, int max_t))
+{
+  const FifoChipField chipId = (FifoChipField)(0x02UL << tmu);
+  FxI32 sh;
+#if !GLIDE_DISPATCH_DOWNLOAD
+  FxU32 max_s, width, tmu_baseaddress;
+#endif
+#define FN_NAME "grTexDownloadMipMapLevelPartial"
+
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 89);
+  GDBG_INFO_MORE(gc->myLevel,"(%d,0x%x, %d,%d,%d, %d,%d 0x%x, %d,%d)\n",
+                 tmu,startAddress,thisLod,largeLod,aspectRatio,
+                 format,evenOdd,data,t,max_t);
+  
+  /* Check fo silly things */
+  {
+    const FxU32 size = _grTexTextureMemRequired(thisLod, thisLod, 
+                                                aspectRatio, format, evenOdd);
+
+  GR_CHECK_TMU(FN_NAME, tmu);
+  GR_CHECK_COMPATABILITY(FN_NAME, 
+                         startAddress + size > gc->tmu_state[tmu].total_mem,
+                         "insufficient texture ram at startAddress");
+  GR_CHECK_COMPATABILITY(FN_NAME, 
+                         startAddress & 0x7,
+                         "unaligned startAddress");
+  GR_CHECK_F(FN_NAME, thisLod > GR_LOD_1,
+             "thisLod invalid");
+  GR_CHECK_F(FN_NAME, largeLod > GR_LOD_1,
+             "largeLod invalid");
+  GR_CHECK_F(FN_NAME, thisLod < largeLod,
+             "thisLod may not be larger than largeLod");
+  GR_CHECK_F(FN_NAME, aspectRatio > GR_ASPECT_1x8 || 
+             aspectRatio < GR_ASPECT_8x1,
+             "aspectRatio invalid");
+  GR_CHECK_F(FN_NAME, evenOdd > 0x3 || evenOdd == 0,
+             "evenOdd mask invalid");
+  GR_CHECK_F(FN_NAME, !data,
+             "invalid data pointer");
+  GR_CHECK_F(FN_NAME, max_t >= _grMipMapHostWH[aspectRatio][thisLod][1],
+             "invalid end row");
+
+  if ((startAddress < 0x200000) && (startAddress + size > 0x200000))
+    GrErrorCallback("grTexDownloadMipMapLevelPartial: mipmap level cannot span 2 Mbyte boundary",
+                    FXTRUE);
+  }
+
+  /*------------------------------------------------------------
+    Skip this level entirely if not in odd/even mask
+    ------------------------------------------------------------*/
+  if (!(evenOdd & (thisLod & 0x1 ? GR_MIPMAPLEVELMASK_ODD:GR_MIPMAPLEVELMASK_EVEN)))
+    goto all_done;
+
+  {
+  /*------------------------------------------------------------
+    Compute Base Address Given Start Address Offset
+    ------------------------------------------------------------*/
+    const FxU32 baseAddress = _grTexCalcBaseAddress(startAddress,
+                                      largeLod, 
+                                      aspectRatio,
+                                      format,
+                                                    evenOdd) >> 3;
+  
+  /*------------------------------------------------------------
+    Compute pertinant contents of tLOD and texMode registers 
+    ------------------------------------------------------------*/
+    FxU32 tLod = SST_TLOD_MINMAX_INT(largeLod, GR_LOD_1);
+    FxU32 texMode = format << SST_TFORMAT_SHIFT;
+    
+  tLod |= _gr_evenOdd_xlate_table[evenOdd];
+  tLod |= _gr_aspect_xlate_table[aspectRatio];
+    
+  if (gc->state.tmu_config[tmu].textureMode & SST_SEQ_8_DOWNLD) {
+    sh = 2;
+    texMode |= SST_SEQ_8_DOWNLD;
+  } else {
+    sh = 3;
+  }
+
+  /*------------------------------------------------------------
+    Update TLOD, texMode, baseAddress
+    ------------------------------------------------------------*/
+  hw = SST_TMU(hw,tmu);
+  REG_GROUP_BEGIN(chipId, textureMode, 3, 0x0B);
+  {
+    REG_GROUP_SET(hw, textureMode, texMode);
+    REG_GROUP_SET(hw, tLOD,        tLod);
+    REG_GROUP_SET(hw, texBaseAddr, baseAddress);
+  }
+  REG_GROUP_END();
+  }
+
+#if GLIDE_DISPATCH_DOWNLOAD
+  /* Do the download */
+  {
+    const FxU32 
+      width = _grMipMapHostWH[aspectRatio][thisLod][0],
+      formatSel = (format >= GR_TEXFMT_16BIT),
+      tmuBaseAddr = ((FxU32)gc->tex_ptr + 
+                     (((FxU32)tmu) << 21UL) + 
+                     (((FxU32)thisLod) << 17UL));
+    FxU32 
+      widthSel = (width >> 0x01UL),
+      max_s = width >> (formatSel
+                        ? 1   /* 16-bit texture */
+                        : 2); /* 8-bit texture */
+
+    if (max_s <= 0) max_s = 1;
+    if (widthSel > 2) widthSel = 3;
+    
+    _GlideRoot.stats.texBytes += max_s * (max_t - t + 1) * 4;
+
+    if ((sh == 3) && !formatSel && (width > 4)) {
+      /* 8-bit >4xN texture with Old revision TMUs (GR_SSTTYPE_VOODOO) */
+      const FxU8* src8  = (const FxU8*)data;
+      /* Compute Physical Write Pointer */
+      const FxU32
+        tmu_baseaddress = (FxU32)gc->tex_ptr +
+                          (((FxU32)tmu) << 21) + (((FxU32)thisLod) << 17);
+
+      for (; t <= max_t; t++) {
+        FxU32
+          s,
+          tex_address = tmu_baseaddress + TEX_ROW_ADDR_INCR(t);
+
+        LINEAR_WRITE_BEGIN(max_s, kLinearWriteTex,
+                           (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                           0x00UL, 0x00UL);
+        for (s = 0; s < max_s; s+=2) {
+          const FxU32 t0 = *(const FxU32*)(src8   );
+          const FxU32 t1 = *(const FxU32*)(src8 + sizeof(FxU32));
+
+          LINEAR_WRITE_SET_8(tex_address                , t0);
+          LINEAR_WRITE_SET_8(tex_address + sizeof(FxU32), t1);
+
+          tex_address += 16;
+          src8 += (sizeof(FxU32) << 1);
+        }
+        LINEAR_WRITE_END();
+      }
+    } else {
+      /* GR_SSTTYPE_Voodoo2 all go through here */
+      (*((*_GlideRoot.deviceArchProcs.curTexProcs)[formatSel][widthSel]))(gc, 
+                                                                          tmuBaseAddr,
+                                                                          max_s, t, max_t,
+                                                                          data);
+    }
+  }
+#else
+  /*------------------------------------------------------------
+    Determine max_s
+    ------------------------------------------------------------*/
+  width = _grMipMapHostWH[aspectRatio][thisLod][0];
+  max_s = width >> ((format < GR_TEXFMT_16BIT)
+                    ? 2   /* 8-bit texture */
+                    : 1); /* 16-bit texture */
+  if (max_s <= 0) max_s = 1;
+
+  _GlideRoot.stats.texBytes += max_s * (max_t - t + 1) * 4;
+
+  /*------------------------------------------------------------
+    Compute Physical Write Pointer
+    ------------------------------------------------------------*/
+  tmu_baseaddress = (FxU32)gc->tex_ptr;
+  tmu_baseaddress += (((FxU32)tmu) << 21) + (((FxU32)thisLod) << 17);
+
+  /*------------------------------------------------------------
+    Handle 8-bit Textures
+    ------------------------------------------------------------*/
+  if (format < GR_TEXFMT_16BIT) { /* 8 bit textures */
+    /* Hoisted initialization */
+    FxU32 tex_address = tmu_baseaddress + TEX_ROW_ADDR_INCR(t);
+    const FxU8* src8  = (const FxU8*)data;
+
+    switch(width) {
+    case 1:
+      for (; t <= max_t; t++) {
+        LINEAR_WRITE_BEGIN(1, kLinearWriteTex, 
+                           (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                           0x00UL, 0x00UL);
+        LINEAR_WRITE_SET_8(tex_address, (const FxU32)*(const FxU8*)src8);
+        LINEAR_WRITE_END();
+      
+        src8 += width;
+        tex_address += TEX_ROW_ADDR_INCR(1);
+      }
+      break;
+
+    case 2:
+      for (; t <= max_t; t++) {
+        LINEAR_WRITE_BEGIN(1, kLinearWriteTex, 
+                           (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                           0x00UL, 0x00UL);
+        LINEAR_WRITE_SET_8(tex_address, (const FxU32)*(const FxU16*)src8);
+        LINEAR_WRITE_END();
+            
+        src8 += width;
+        tex_address += TEX_ROW_ADDR_INCR(1);
+      }
+      break;
+
+    case 4:
+      for (; t <= max_t; t++) {
+        LINEAR_WRITE_BEGIN(1, kLinearWriteTex, 
+                           (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                           0x00UL, 0x00UL);
+        LINEAR_WRITE_SET_8(tex_address, *(const FxU32*)src8);
+        LINEAR_WRITE_END();
+        
+        src8 += width;
+        tex_address += TEX_ROW_ADDR_INCR(1);
+      }
+      break;
+
+    default: { /* >4xN texture */
+      const FxU32 texAddrInc = ((sh == 3)
+                                ? 16 /* Old TMUs */
+                                : 8);/* New TMUs */
+
+      for (; t <= max_t; t++) {
+        FxU32 s;
+
+        tex_address = tmu_baseaddress + TEX_ROW_ADDR_INCR(t);
+
+        LINEAR_WRITE_BEGIN(max_s, kLinearWriteTex,
+                           (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                           0x00UL, 0x00UL);
+        for (s = 0; s < max_s; s+=2) {
+          const FxU32 t0 = *(const FxU32*)(src8   );
+          const FxU32 t1 = *(const FxU32*)(src8 + sizeof(FxU32));
+                    
+          LINEAR_WRITE_SET_8(tex_address                , t0);
+          LINEAR_WRITE_SET_8(tex_address + sizeof(FxU32), t1);
+
+          tex_address += texAddrInc;
+          src8 += (sizeof(FxU32) << 1);
+        }
+        LINEAR_WRITE_END();
+      }
+      break;
+    }
+    }
+  } else { /* 16-bit Textures */
+    /* Hoisted initialization */
+    FxU32 tex_address = tmu_baseaddress + TEX_ROW_ADDR_INCR(t);
+    const FxU16* src16 = (const FxU16*)data;
+
+        /* Cases 1, 2 don't need inner loops for s */
+    switch(width) {
+    case 1:
+        for (; t <= max_t; t++) {
+          LINEAR_WRITE_BEGIN(1, kLinearWriteTex,
+                             (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                             0x00UL, 0x00UL);
+        LINEAR_WRITE_SET_16(tex_address, (const FxU32)*(const FxU16*)src16);
+          LINEAR_WRITE_END();
+          
+          src16 += width;
+          tex_address += TEX_ROW_ADDR_INCR(1);
+        }
+      break;
+      
+    case 2:
+      for (; t <= max_t; t++) {
+        LINEAR_WRITE_BEGIN(1, kLinearWriteTex,
+                           (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                           0x00UL, 0x00UL);
+        LINEAR_WRITE_SET_16(tex_address, *(const FxU32*)src16);
+        LINEAR_WRITE_END();
+        
+        src16 += width;
+        tex_address += TEX_ROW_ADDR_INCR(1);
+      }
+      break;
+
+    default:
+      for (; t <= max_t; t++) {
+        FxU32 s;
+
+        tex_address = tmu_baseaddress + TEX_ROW_ADDR_INCR(t);
+
+        /* Loop unrolled to process 2 dwords per iteration */            
+        LINEAR_WRITE_BEGIN(max_s, kLinearWriteTex,
+                           (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                           0x00UL, 0x00UL);
+        for (s = 0; s < max_s; s += 2) {
+          const FxU32 t0 = *(const FxU32*)(src16   );
+          const FxU32 t1 = *(const FxU32*)(src16 + 2);
+
+          GDBG_INFO(195, "s = %d, t= %d, address = 0x%x\n",
+                    s, t, (FxU32) tex_address - (FxU32) gc->tex_ptr + 0x200000);
+          LINEAR_WRITE_SET_16(tex_address    , t0);
+          LINEAR_WRITE_SET_16(tex_address + 4, t1);
+               
+          tex_address += 8;
+          src16 += 4;
+        }
+              
+        LINEAR_WRITE_END();
+      }
+
+      break;
+    }
+  }
+#endif
+  
+  /*------------------------------------------------------------
+    Restore TLOD, texMode, baseAddress
+    ------------------------------------------------------------*/
+  REG_GROUP_BEGIN(chipId, textureMode, 3, 0x0B);
+  {
+    REG_GROUP_SET(hw, textureMode, gc->state.tmu_config[tmu].textureMode);
+    REG_GROUP_SET(hw, tLOD,        gc->state.tmu_config[tmu].tLOD);
+    REG_GROUP_SET(hw, texBaseAddr, gc->state.tmu_config[tmu].texBaseAddr);
+  }
+  REG_GROUP_END();
+
+all_done:
+  _GlideRoot.stats.texDownloads++;
+#undef FN_NAME
+} /* grTexDownloadMipmapLevelPartial */
+
+/* 
+   Let me take this opportunity to register my formal opposition to
+   this function.  Either we do this or we don't.  Let's not hack like
+   this.
+
+   CHD
+*/
+
+GR_ENTRY(ConvertAndDownloadRle,
+         void,
+         (GrChipID_t tmu, FxU32 startAddress,
+          GrLOD_t thisLod, GrLOD_t largeLod, GrAspectRatio_t aspectRatio,
+          GrTextureFormat_t format, FxU32 evenOdd,
+          FxU8 *bm_data, long bm_h,
+          FxU32 u0, FxU32 v0,
+          FxU32 width, FxU32 height, FxU32 dest_width, FxU32 dest_height, FxU16 *tlut))
+{
+  const FifoChipField chipId = (FifoChipField)(0x02UL << tmu);
+  FxI32 sh;
+  FxU32 max_s,s,t,max_t,tex_address, tmu_baseaddress;
+  FxU32 tLod, texMode, baseAddress,size;
+  FxU32 offset,expected_size;
+  unsigned long  i;
+  FxU16 *src;
+  extern FxU16 rle_line[256]; /* diTex.c */
+  extern FxU16 *rle_line_end; /* ditex.c */
+#define FN_NAME "ConvertAndDownloadRLE"
+  GR_BEGIN_NOFIFOCHECK(FN_NAME, 89);
+   
+  /* make sure even number */
+  width&=0xFFFFFFFE;
+   
+  max_s=width>>1;
+  max_t=height;
+   
+  GDBG_INFO_MORE(gc->myLevel,"(%d,0x%x, %d,%d,%d, %d,%d 0x%x, %d)\n",
+                 tmu,startAddress,thisLod,largeLod,aspectRatio,
+                 format,evenOdd,bm_data,max_t);
+   
+  size = _grTexTextureMemRequired(thisLod, thisLod, aspectRatio, format, evenOdd);
+  GR_CHECK_TMU(FN_NAME, tmu);
+  GR_CHECK_F(FN_NAME, startAddress + size > gc->tmu_state[tmu].total_mem,
+             "insufficient texture ram at startAddress");
+  GR_CHECK_F(FN_NAME, startAddress & 0x7, "unaligned startAddress");
+  GR_CHECK_F(FN_NAME, thisLod > GR_LOD_1, "thisLod invalid");
+  GR_CHECK_F(FN_NAME, largeLod > GR_LOD_1, "largeLod invalid");
+  GR_CHECK_F(FN_NAME, thisLod < largeLod, "thisLod may not be larger than largeLod");
+  GR_CHECK_F(FN_NAME, aspectRatio > GR_ASPECT_1x8 || 
+             aspectRatio < GR_ASPECT_8x1,
+             "aspectRatio invalid");
+  GR_CHECK_F(FN_NAME, evenOdd > 0x3 || evenOdd == 0, "evenOdd mask invalid");
+  GR_CHECK_F(FN_NAME, !bm_data, "invalid data pointer");
+  GR_CHECK_F(FN_NAME, (dest_height-1) >= (FxU32)_grMipMapHostWH[aspectRatio][thisLod][1],
+             "invalid end row");
+
+  if ((startAddress < 0x200000) && (startAddress + size > 0x200000))
+    GrErrorCallback("grTexDownloadMipMapLevelPartial: mipmap level cannot span 2 Mbyte boundary",
+                    FXTRUE);
+
+  /*------------------------------------------------------------
+    Skip this level entirely if not in odd/even mask
+    ------------------------------------------------------------*/
+  if (!(evenOdd & (thisLod & 0x1 ? GR_MIPMAPLEVELMASK_ODD:GR_MIPMAPLEVELMASK_EVEN)))
+    goto all_done;
+  
+  /*------------------------------------------------------------
+    Compute Base Address Given Start Address Offset
+    ------------------------------------------------------------*/
+  baseAddress = _grTexCalcBaseAddress(startAddress,
+                                      largeLod, 
+                                      aspectRatio,
+                                      format,
+                                      evenOdd);
+  baseAddress >>= 3;
+#if H3
+  baseAddress = ((baseAddress << 3) & ~0x0F);
+#endif
+
+  /*------------------------------------------------------------
+    Compute Physical Write Pointer
+    ------------------------------------------------------------*/
+  tmu_baseaddress = (FxU32)gc->tex_ptr;
+  tmu_baseaddress += (((FxU32)tmu)<<21) + (((FxU32)thisLod)<<17);
+  
+  /*------------------------------------------------------------
+    Compute pertinant contents of tLOD and texMode registers 
+    ------------------------------------------------------------*/
+  tLod = SST_TLOD_MINMAX_INT(largeLod, GR_LOD_1);
+  tLod |= _gr_evenOdd_xlate_table[evenOdd];
+  tLod |= _gr_aspect_xlate_table[aspectRatio];
+  texMode = format << SST_TFORMAT_SHIFT;
+  if (gc->state.tmu_config[tmu].textureMode & SST_SEQ_8_DOWNLD) {
+    sh = 2;
+    texMode |= SST_SEQ_8_DOWNLD;
+  } else {
+    sh = 3;
+  }
+
+  /*------------------------------------------------------------
+    Update TLOD, texMode, baseAddress
+    ------------------------------------------------------------*/
+  hw = SST_TMU(hw,tmu);
+  REG_GROUP_BEGIN(chipId, textureMode, 3, 0x0B);
+  {
+    REG_GROUP_SET(hw, textureMode, texMode);
+    REG_GROUP_SET(hw, tLOD,        tLod);
+    REG_GROUP_SET(hw, texBaseAddr, baseAddress);
+  }
+  REG_GROUP_END();
+  
+  _GlideRoot.stats.texBytes += dest_width * (dest_height) * 2;
+  
+  /* here I can do my writes and conversion and I will be so happy */
+  offset=4+bm_h;
+  for (i=0; i<v0; i++)
+    offset += bm_data[4+i];
+  
+  max_s=dest_width>>1;
+  expected_size=max_s*5;
+  
+  rle_line_end=rle_line+width+u0;
+  for(t=0;t<max_t;t++) {
+    tex_address = tmu_baseaddress + TEX_ROW_ADDR_INCR(t);
+    src = rle_line + u0;
+      
+    rle_decode_line_asm(tlut,&bm_data[offset],rle_line);
+      
+    LINEAR_WRITE_BEGIN(max_s, kLinearWriteTex, 
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);         
+    for(s = 0; s < max_s; s++) {
+      LINEAR_WRITE_SET(tex_address + (s << 2), *(FxU32 *) src);
+      src += 2;
+    }
+    LINEAR_WRITE_END();
+      
+    offset+=bm_data[4+i++];
+  }
+
+  if (dest_height>height) {
+    tex_address = tmu_baseaddress + TEX_ROW_ADDR_INCR(t);
+    src=rle_line+u0;
+
+    LINEAR_WRITE_BEGIN(max_s, kLinearWriteTex, 
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);            
+    for(s = 0; s < max_s; s++) {
+      LINEAR_WRITE_SET(tex_address + (s << 2), *(FxU32 *) src);
+      src += 2;
+    }
+    LINEAR_WRITE_END();         
+  }
+
+  /*------------------------------------------------------------
+    Restore TLOD, texMode, baseAddress
+    ------------------------------------------------------------*/
+  REG_GROUP_BEGIN(chipId, textureMode, 3, 0x0B);
+  {
+    REG_GROUP_SET(hw, textureMode, gc->state.tmu_config[tmu].textureMode);
+    REG_GROUP_SET(hw, tLOD,        gc->state.tmu_config[tmu].tLOD);
+    REG_GROUP_SET(hw, texBaseAddr, gc->state.tmu_config[tmu].texBaseAddr);
+  }
+  REG_GROUP_END();
+
+all_done:
+  _GlideRoot.stats.texDownloads++;
+#undef FN_NAME
+}
+
+
+
+
+
+

glide2x/cvg/glide/src/gu.c

@@ -0,0 +1,449 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 14    12/18/97 2:13p Peter
+ * fogTable cataclysm
+ * 
+ * 13    5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 12    5/21/97 6:05a Peter
+ * 
+ * 11    3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+ * 
+ * 10    3/05/97 9:36p Jdt
+ * Added guEncodeRLE16
+ * 
+ * 9     12/23/96 1:37p Dow
+ * chagnes for multiplatform glide
+**
+*/
+
+#include <3dfx.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+#if ( (GLIDE_PLATFORM & GLIDE_SST_HW) && (GLIDE_PLATFORM & GLIDE_HW_SST1) )
+#include <sst1init.h>
+#endif
+
+#include "fxinline.h"
+
+/*---------------------------------------------------------------------------
+**  guAlphaSource
+*/
+GR_DIENTRY(guAlphaSource, void, ( GrAlphaSource_t mode ))
+{
+  GDBG_INFO(99,"guAlphaSource(%d)\n",mode);
+  switch ( mode ) {
+  case GR_ALPHASOURCE_CC_ALPHA:
+    grAlphaCombine( GR_COMBINE_FUNCTION_LOCAL, 
+                    GR_COMBINE_FACTOR_NONE, 
+                    GR_COMBINE_LOCAL_CONSTANT, 
+                    GR_COMBINE_OTHER_NONE, 
+                    FXFALSE );
+    break;
+
+  case GR_ALPHASOURCE_ITERATED_ALPHA:
+    grAlphaCombine( GR_COMBINE_FUNCTION_LOCAL, 
+                    GR_COMBINE_FACTOR_NONE, 
+                    GR_COMBINE_LOCAL_ITERATED, 
+                    GR_COMBINE_OTHER_NONE, 
+                    FXFALSE );
+    break;
+
+  case GR_ALPHASOURCE_TEXTURE_ALPHA:
+    grAlphaCombine( GR_COMBINE_FUNCTION_SCALE_OTHER, 
+                    GR_COMBINE_FACTOR_ONE, 
+                    GR_COMBINE_LOCAL_NONE, 
+                    GR_COMBINE_OTHER_TEXTURE, 
+                    FXFALSE );
+    break;
+
+  case GR_ALPHASOURCE_TEXTURE_ALPHA_TIMES_ITERATED_ALPHA:
+    grAlphaCombine( GR_COMBINE_FUNCTION_SCALE_OTHER, 
+                    GR_COMBINE_FACTOR_LOCAL, 
+                    GR_COMBINE_LOCAL_ITERATED, 
+                    GR_COMBINE_OTHER_TEXTURE, 
+                    FXFALSE );
+    break;
+
+  default:
+    GR_CHECK_F("grAlphaSource", 1, "unknown alpha source mode");
+    break;
+  }
+
+  /* xxx not needed at the moment, should update grFogxxx
+  _grVerifyNeedForITAlpha();
+  */
+} /* guAlphaSource */
+
+/*---------------------------------------------------------------------------
+**  guColorCombineFunction
+*/
+GR_DIENTRY(guColorCombineFunction, void, ( GrColorCombineFnc_t fnc ))
+{
+  GDBG_INFO(99,"guColorCombineFunction(%d)\n",fnc);
+
+  /* gross hack to get ITRGB_DELTA0 modes working */
+  _grColorCombineDelta0Mode( FXFALSE );
+
+  switch ( fnc )
+  {
+  case GR_COLORCOMBINE_ZERO:
+    grColorCombine( GR_COMBINE_FUNCTION_ZERO, GR_COMBINE_FACTOR_NONE, GR_COMBINE_LOCAL_NONE, GR_COMBINE_OTHER_NONE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_CCRGB:
+    grColorCombine( GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE, GR_COMBINE_LOCAL_CONSTANT, GR_COMBINE_OTHER_NONE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_ITRGB_DELTA0:
+    _grColorCombineDelta0Mode( FXTRUE );
+    /* FALL THRU */
+  case GR_COLORCOMBINE_ITRGB:
+    grColorCombine( GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_NONE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_DECAL_TEXTURE:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_ONE, GR_COMBINE_LOCAL_NONE, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_TEXTURE_TIMES_CCRGB:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_LOCAL, GR_COMBINE_LOCAL_CONSTANT, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_TEXTURE_TIMES_ITRGB_DELTA0:
+    _grColorCombineDelta0Mode( FXTRUE );
+    /* FALL THRU */
+  case GR_COLORCOMBINE_TEXTURE_TIMES_ITRGB:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_LOCAL, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_TEXTURE_TIMES_ITRGB_ADD_ALPHA:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL_ALPHA, GR_COMBINE_FACTOR_LOCAL, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_TEXTURE_TIMES_ALPHA:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER, GR_COMBINE_FACTOR_LOCAL_ALPHA, GR_COMBINE_LOCAL_NONE, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_TEXTURE_TIMES_ALPHA_ADD_ITRGB:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL, GR_COMBINE_FACTOR_LOCAL_ALPHA, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_TEXTURE_ADD_ITRGB:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL, GR_COMBINE_FACTOR_ONE, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_TEXTURE_SUB_ITRGB:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL, GR_COMBINE_FACTOR_ONE, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_CCRGB_BLEND_ITRGB_ON_TEXALPHA:
+    grColorCombine( GR_COMBINE_FUNCTION_BLEND, GR_COMBINE_FACTOR_TEXTURE_ALPHA, GR_COMBINE_LOCAL_CONSTANT, GR_COMBINE_OTHER_ITERATED, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_DIFF_SPEC_A:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL, GR_COMBINE_FACTOR_LOCAL_ALPHA, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_DIFF_SPEC_B:
+    grColorCombine( GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL_ALPHA, GR_COMBINE_FACTOR_LOCAL, GR_COMBINE_LOCAL_ITERATED, GR_COMBINE_OTHER_TEXTURE, FXFALSE );
+    break;
+
+  case GR_COLORCOMBINE_ONE:
+    grColorCombine( GR_COMBINE_FUNCTION_ZERO, GR_COMBINE_FACTOR_NONE, GR_COMBINE_LOCAL_NONE, GR_COMBINE_OTHER_NONE, FXTRUE );
+    break;
+    
+  default:
+    GR_CHECK_F("grColorCombineFunction", 1, "unsupported color combine function");
+    break;
+  }
+} /* guColorCombineFunction */
+
+/*---------------------------------------------------------------------------
+** guEndianSwapWords
+*/
+GR_DIENTRY(guEndianSwapWords, FxU32, ( FxU32 value ))
+{
+   return ( ( value & 0xFFFF0000 ) >> 16 ) | ( value << 16 );
+}
+
+/*---------------------------------------------------------------------------
+** guEndianSwapBytes
+*/
+GR_DIENTRY(guEndianSwapBytes, FxU16, ( FxU16 value ))
+{
+  return ( ( value & 0xFF00 ) >> 8 ) | ( value << 8 );
+}
+
+/*---------------------------------------------------------------------------
+** guFogTableIndexToW
+*/
+GR_DIENTRY(guFogTableIndexToW, float, ( int i ))
+{
+  return (float)pow(2.0,3.0+(double)(i>>2)) / (8-(i&3));
+}
+
+/*---------------------------------------------------------------------------
+** guFogGenerateExp
+*/
+GR_DIENTRY(guFogGenerateExp, void,
+           ( GrFog_t fogtable[], float density )) 
+{
+  int   i;
+  float f;
+  float scale;
+  float dp;
+
+  GDBG_INFO(99,"guFogGenerateExp(0x%x,%g)\n",fogtable,density);
+  dp = density * guFogTableIndexToW( kInternalFogTableEntryCount - 1 );
+  scale = 1.0F / ( 1.0F - ( float ) exp( -dp ) );
+
+  for ( i = 0; i < kInternalFogTableEntryCount; i++ ) {
+     dp = density * guFogTableIndexToW( i );
+     f = ( 1.0F - ( float ) exp( -dp ) ) * scale;
+
+     if ( f > 1.0F )
+        f = 1.0F;
+     else if ( f < 0.0F )
+        f = 0.0F;
+
+     f *= 255.0F;
+     fogtable[i] = ( GrFog_t ) f;
+  }
+} /* guFogGenerateExp */
+
+/*---------------------------------------------------------------------------
+** guFogGenerateExp2
+*/
+GR_DIENTRY(guFogGenerateExp2, void,
+           ( GrFog_t fogtable[], float density ))
+{
+  int   i;
+  float f;
+  float scale;
+  float dp;
+
+  GDBG_INFO(99,"guFogGenerateExp2(0x%x,%g)\n",fogtable,density);
+  dp = density * guFogTableIndexToW( kInternalFogTableEntryCount - 1 );
+  scale = 1.0F / ( 1.0F - ( float ) exp( -( dp * dp ) ) );
+
+  for ( i = 0; i < kInternalFogTableEntryCount; i++ ) {
+     dp = density * guFogTableIndexToW( i );
+     f = ( 1.0F - ( float ) exp( -( dp * dp ) ) ) * scale;
+
+     if ( f > 1.0F )
+        f = 1.0F;
+     else if ( f < 0.0F )
+        f = 0.0F;
+
+     f *= 255.0F;
+     fogtable[i] = ( GrFog_t ) f;
+  }
+} /* guFogGenerateExp2 */
+
+/*---------------------------------------------------------------------------
+** guFogGenerateLinear
+*/
+GR_DIENTRY(guFogGenerateLinear, void, 
+           ( GrFog_t fogtable[kInternalFogTableEntryCount],
+             float nearZ, float farZ ))
+{
+   int i;
+   float world_w;
+   float f;
+
+  GDBG_INFO(99,"guFogGenerateLinear(0x%x,%g,%g)\n",fogtable,nearZ,farZ);
+  for ( i = 0; i < kInternalFogTableEntryCount; i++ ) {
+    world_w = guFogTableIndexToW( i );
+    if ( world_w > 65535.0F )
+      world_w = 65535.0F;
+    
+    f = ( world_w - nearZ ) / ( farZ - nearZ );
+    if ( f > 1.0F )
+      f = 1.0F;
+    else if ( f < 0.0F )
+      f = 0.0F;
+    f *= 255.0F;
+    fogtable[i] = ( GrFog_t ) f;
+  }
+} /* guFogGenerateLinear */
+
+/*
+** setlevel
+*/
+static void
+setlevel( FxU16 *data, FxU16 color, int width, int height )
+{
+   int s, t;
+
+   for ( t = 0; t < height; t++ )
+   {
+      for ( s = 0; s < width; s++ )
+      {
+         *data = color;
+          data++;
+      }
+   }
+} /* setlevel */
+
+/*---------------------------------------------------------------------------
+**  guTexCreateColorMipMap
+*/
+GR_DIENTRY(guTexCreateColorMipMap, FxU16 *, ( void ))
+{
+   FxU32 memrequired;
+   FxU16 *data;
+   FxU16 *start;
+
+   GDBG_INFO(99,"guTexCreateColorMipMap()\n");
+   memrequired = 2 * ( 256 * 256 + 128 * 128 + 64 * 64 + 32 * 32 + 16 * 16 + 8 * 8 + 4 * 4 + 2 * 2 + 1 * 1 );
+   start = data = malloc( memrequired );
+   if ( !data )
+      return 0;
+
+   setlevel( data,            0xF800, 256, 256 );
+   setlevel( data += 256*256, 0x07e0, 128, 128 );
+   setlevel( data += 128*128, 0x001F, 64, 64 );
+   setlevel( data += 64*64,   0xFFFF, 32, 32);
+   setlevel( data += 32*32,   0x0000, 16, 16 );
+   setlevel( data += 16*16,   0xF800, 8, 8);
+   setlevel( data += 8*8,     0x07e0, 4, 4 );
+   setlevel( data += 4*4,     0x001f, 2, 2 );
+   setlevel( data += 2*2,     0xFFFF, 1, 1 );
+
+   return start;
+} /* guTexCreateColoMipMap */
+
+/* GMT: this code used to be in the code above but I removed it for
+        readability, the first section was case(1) the second section
+        was a replacement for the simple 32-bit copy loop
+*/
+#if 0
+
+      /* GMT: from what I can tell its not bad to perform unaligned DWORD
+         loads on a P5, so we use the case 2) all the time
+         in fact, its twice as fast as doing aligned short copies
+         */
+if ((dstX ^ (((FxU32)src)>>1)) & 1) {
+    /* case 1) a simple 16-bit copy loop */
+    for (x=0; x < w; x++) {
+        GR_SET16(lfbPtr[x], ((FxU16 *)src)[x]);
+    }
+}
+#endif
+
+#if 0
+/* GMT: I tried to unroll the loop but for some reason the
+   code scheduling was such that it was slower
+   I think it had to do with the way the 2 mov instructions paired
+   Perhaps they were unaligned in the cache?
+   */
+FxU32 a,b;
+FxU32 *s = (FxU32 *)src;
+FxU32 *d = lfbPtr;
+
+while (d < &lfbPtr[w-1]) {
+    a = s[0];
+    b = s[1];
+    GR_SET(d[0], a);
+    GR_SET(d[1], b);
+    s += 2;
+    d += 2;
+}
+if (w & 1) {
+    GR_SET(d[0], s[0]);
+}
+#endif
+
+/*-------------------------------------------------------------------
+  Function: guEncodeRle
+  Date: 3/5/96
+  Implementor(s): jdt
+  Library: Glide Utilities
+  Description:
+  Encode an RGB565 image into RLE16 format
+  Arguments:
+  dst - destination rle image data ( NULL for bytecount only )
+  src - source rgb565 image data
+  width - width of source data
+  height - height of source data
+  Return:
+  number of bytes in encoded rle image
+  -------------------------------------------------------------------*/
+GR_ENTRY( guEncodeRLE16, int, ( void *dst, void *src, FxU32 width, FxU32 height ))
+{
+    int byteCount = 0;
+    int sourceImageSizeInWords;
+    FxU16 *srcPixels;
+    FxU32 *dstPixels;
+
+    sourceImageSizeInWords = width * height;
+
+    srcPixels = src;
+
+    if ( dst ) {
+        dstPixels = dst;
+        while( sourceImageSizeInWords-- ) {
+            short length    = 1;
+            short color     = *srcPixels;
+            int   lookAhead = 1;
+
+            while( (sourceImageSizeInWords-length)&&
+                   (color == srcPixels[lookAhead]) ) {
+                length++;
+                lookAhead++;
+            }
+
+            *dstPixels = ((((FxU32)length)<<16) | ((FxU32)color));
+            dstPixels++;
+
+            byteCount+=4;
+
+            srcPixels+=length;
+            sourceImageSizeInWords-=length;            
+        }
+    } else {
+        while( sourceImageSizeInWords-- ) {
+            short length    = 1;
+            short color     = *srcPixels;
+            int   lookAhead = 1;
+
+            while( (sourceImageSizeInWords-length)&&
+                   (color == srcPixels[lookAhead]) ) {
+                length++;
+                lookAhead++;
+            }
+
+            byteCount+=4;
+            srcPixels+=length;
+            sourceImageSizeInWords-=length;            
+        }
+    }
+    return byteCount;
+}

glide2x/cvg/glide/src/guclip.c

@@ -0,0 +1,450 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.1.1.1.2.1  2005/01/22 14:52:02  koolsmoky
+** enabled packed argb for cmd packet type 3
+**
+** Revision 1.1.1.1  1999/12/07 21:49:11  joseph
+** Initial checkin into SourceForge.
+**
+ * 
+ * 12    12/15/97 5:52p Atai
+ * disable obsolete glide2 api for glide3
+ * 
+ * 11    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 10    12/08/97 12:06p Atai
+ * change prototype for grDrawPoint, grDrawLine, grDrawTriangel
+ * 
+ * 9     8/18/97 3:52p Peter
+ * pre-hw arrival fixes/cleanup
+ * 
+ * 8     7/31/97 11:14a Peter
+ * merge w/ sst1 glide tree, hopefully
+ * 
+ * 5     6/27/97 4:16p Atai
+ * fixed guDrawTriangleWithClip bug (#484) by removing +1.0F and -1.0F in
+ * intersectTop(), intersectBottom(), intersectLeft(), and
+ * intersectRight() routine
+ * 
+ * 4     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+**
+*/
+
+#include <3dfx.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+/* Moved per GMT cleanup */
+#define GU_PRIM_MAX_VERTICES 100
+
+static void
+calcParams(const GrVertex *a, const GrVertex *b, GrVertex *isect, float d)
+{
+  GR_DCL_GC;
+  if (gc->state.paramIndex & STATE_REQUIRES_IT_DRGB) {
+    isect->r = a->r + d * ( b->r - a->r );
+    isect->g = a->g + d * ( b->g - a->g );
+    isect->b = a->b + d * ( b->b - a->b );
+  }
+    
+  if (gc->state.paramIndex & STATE_REQUIRES_IT_ALPHA) {
+    isect->a        = a->a        + d * ( b->a - a->a );
+  }
+
+  if (gc->state.paramIndex & STATE_REQUIRES_OOZ) {
+    isect->ooz = a->ooz + d * ( b->ooz - a->ooz );
+  }
+
+  if (gc->state.paramIndex & STATE_REQUIRES_OOW_FBI) {
+    isect->oow = a->oow + d * ( b->oow - a->oow);
+  }
+
+  if (gc->state.paramIndex & STATE_REQUIRES_ST_TMU0) {
+    isect->tmuvtx[0].oow =
+      a->tmuvtx[0].oow + d * ( b->tmuvtx[0].oow - a->tmuvtx[0].oow );
+    isect->tmuvtx[0].sow =
+      a->tmuvtx[0].sow + d * ( b->tmuvtx[0].sow - a->tmuvtx[0].sow );
+    isect->tmuvtx[0].tow =
+      a->tmuvtx[0].tow + d * ( b->tmuvtx[0].tow - a->tmuvtx[0].tow );
+  }
+
+  if (gc->state.paramIndex & STATE_REQUIRES_ST_TMU1) {
+    isect->tmuvtx[1].oow =
+      a->tmuvtx[1].oow + d * ( b->tmuvtx[1].oow - a->tmuvtx[1].oow );
+    isect->tmuvtx[1].sow =
+      a->tmuvtx[1].sow + d * ( b->tmuvtx[1].sow - a->tmuvtx[1].sow );
+    isect->tmuvtx[1].tow =
+      a->tmuvtx[1].tow + d * ( b->tmuvtx[1].tow - a->tmuvtx[1].tow );
+  }
+
+#if (GLIDE_NUM_TMU > 2)
+  if (gc->state.paramIndex & STATE_REQUIRES_ST_TMU2) {
+    isect->tmuvtx[2].oow =
+      a->tmuvtx[2].oow + d * ( b->tmuvtx[2].oow - a->tmuvtx[2].oow );
+    isect->tmuvtx[2].sow =
+      a->tmuvtx[2].sow + d * ( b->tmuvtx[2].sow - a->tmuvtx[2].sow );
+    isect->tmuvtx[2].tow =
+      a->tmuvtx[2].tow + d * ( b->tmuvtx[2].tow - a->tmuvtx[2].tow );
+  }
+#endif
+
+} /* calcParams */
+
+static void 
+intersectTop( const GrVertex *a, const GrVertex *b, GrVertex *intersect )
+{
+  GR_DCL_GC;
+  float
+    d = ( gc->state.clipwindowf_ymin - a->y ) / ( b->y - a->y );
+  
+  intersect->x        = a->x        + d * ( b->x - a->x );
+  intersect->y        = gc->state.clipwindowf_ymin; 
+  
+  calcParams(a, b, intersect, d);
+
+} /* intersectTop */
+
+static void
+intersectBottom( const GrVertex *a, const GrVertex *b, GrVertex *intersect )
+{
+  GR_DCL_GC;
+  float
+    d = ( gc->state.clipwindowf_ymax - a->y ) / ( b->y - a->y );
+  
+  intersect->x        = a->x        + d * ( b->x - a->x );
+  intersect->y        = gc->state.clipwindowf_ymax; 
+
+  calcParams(a, b, intersect, d);
+
+} /* intersectBottom */
+
+static void
+intersectRight( const GrVertex *a, const GrVertex *b, GrVertex *intersect )
+{
+  GR_DCL_GC;
+  float
+    d = ( gc->state.clipwindowf_xmax - a->x ) / ( b->x - a->x );
+  
+  intersect->x        = gc->state.clipwindowf_xmax; 
+  intersect->y        = a->y        + d * ( b->y - a->y );
+
+  calcParams(a, b, intersect, d);
+
+} /* intersectRight */
+
+static void
+intersectLeft( const GrVertex *a, const GrVertex *b, GrVertex *intersect )
+{
+  GR_DCL_GC;
+  float
+    d = ( gc->state.clipwindowf_xmin - a->x ) / ( b->x - a->x );
+  
+  intersect->x        = gc->state.clipwindowf_xmin;
+  intersect->y        = a->y        + d * ( b->y - a->y );
+
+  calcParams(a, b, intersect, d);
+
+} /* intersectLeft */
+
+static FxBool
+aboveYMin(const GrVertex *p)
+{
+  GR_DCL_GC;
+  return (( p->y > gc->state.clipwindowf_ymin ) ? FXTRUE : FXFALSE);
+} /* aboveYMin */
+     
+
+static FxBool
+belowYMax(const GrVertex *p)
+{
+  GR_DCL_GC;
+  return (( p->y < gc->state.clipwindowf_ymax ) ? FXTRUE : FXFALSE);
+} /* belowYMax */
+
+static FxBool
+aboveXMin(const GrVertex *p)
+{
+  GR_DCL_GC;
+  return (( p->x > gc->state.clipwindowf_xmin ) ? FXTRUE : FXFALSE );
+} /* aboveXMin */
+
+static FxBool
+belowXMax(const GrVertex *p)
+{
+  GR_DCL_GC;
+  return (( p->x < gc->state.clipwindowf_xmax ) ? FXTRUE : FXFALSE );
+} /* belowXMax */
+
+/*
+** shClipPolygon
+*/
+static void
+shClipPolygon(
+              const GrVertex invertexarray[],
+              GrVertex outvertexarray[],
+              int inlength, int *outlength,
+              FxBool (*inside)(const GrVertex *p),
+              void (*intersect)(
+                                const GrVertex *a,
+                                const GrVertex *b,
+                                GrVertex *intersect )
+              )
+{
+  GrVertex
+    s, p /*, intersection */;
+  int
+    j;
+  
+  *outlength = 0;
+  
+  s = invertexarray[inlength-1];
+  for ( j = 0; j < inlength; j++ ) {
+    p = invertexarray[j];
+    if ( inside( &p ) ) {
+      if ( inside( &s ) ) {
+        outvertexarray[*outlength] = p;
+        (*outlength)++;
+      }else {
+#if 0
+        intersect( &s, &p, &intersection );
+        outvertexarray[*outlength] = intersection;
+#else
+        intersect( &s, &p, &outvertexarray[*outlength] );
+#endif
+        (*outlength)++;
+        outvertexarray[*outlength] = p;
+        (*outlength)++;
+      }
+    } else {
+      if ( inside( &s ) ) {
+#if 0
+        intersect( &s, &p, &intersection );
+        outvertexarray[*outlength] = intersection;
+#else
+        intersect( &s, &p, &outvertexarray[*outlength] );
+#endif
+        (*outlength)++;
+      }
+    }
+    s = p;
+  }
+} /* shClipPolygon */
+
+#ifndef GLIDE3_ALPHA
+/*---------------------------------------------------------------------------
+** guDrawTriangleWithClip
+**
+** NOTE:  This routine snaps vertices by adding a large number then
+** subtracting that same number again.  In order for this to work
+** you MUST set up the FPU to work in single precision mode.  Code
+** to perform this is listed in the Appendix to the Glide Programmer's
+** Guide.
+*/
+static const float vertex_snap_constant = ( float ) ( 1L << 19 );
+
+GR_DIENTRY(guDrawTriangleWithClip, void,
+           (const GrVertex *a, const GrVertex *b, const GrVertex *c ))
+{
+  GR_DCL_GC;
+  GrVertex
+    output_array[8],
+    output_array2[8],
+    input_array[3];
+  int
+    i,
+    outlength;
+
+  GDBG_INFO_MORE(99,"guDrawTriangleWithClip(0x%x,0x%x,0x%x)\n",a,b,c);
+
+  /*
+   ** perform trivial accept
+   */
+  if (
+      ( a->x >= gc->state.clipwindowf_xmin) &&
+      ( a->x < gc->state.clipwindowf_xmax ) &&
+      ( a->y >= gc->state.clipwindowf_ymin ) &&
+      ( a->y < gc->state.clipwindowf_ymax ) &&
+      ( b->x >= gc->state.clipwindowf_xmin ) &&
+      ( b->x < gc->state.clipwindowf_xmax ) &&
+      ( b->y >= gc->state.clipwindowf_ymin ) &&
+      ( b->y < gc->state.clipwindowf_ymax ) &&
+      ( c->x >= gc->state.clipwindowf_xmin ) &&
+      ( c->x < gc->state.clipwindowf_xmax ) &&
+      ( c->y >= gc->state.clipwindowf_ymin ) &&
+      ( c->y < gc->state.clipwindowf_ymax )
+      )
+  {
+#ifdef GLIDE3
+    grDrawTriangle( (void *)a, (void *)b, (void *)c );
+#else
+    grDrawTriangle( a, b, c );
+#endif
+    return;
+  }
+
+  /*
+   ** go ahead and clip and render
+   */
+  input_array[0] = *a;
+  input_array[1] = *b;
+  input_array[2] = *c;
+  
+  shClipPolygon( input_array,   output_array,  3,         &outlength, belowXMax, intersectRight );
+  shClipPolygon( output_array,  output_array2, outlength, &outlength, belowYMax, intersectBottom );
+  shClipPolygon( output_array2, output_array,  outlength, &outlength, aboveXMin, intersectLeft );
+  shClipPolygon( output_array,  output_array2, outlength, &outlength, aboveYMin, intersectTop );
+  
+  /*
+   ** snap vertices then decompose the n-gon into triangles
+   */
+#if defined ( __WATCOMC__ ) || defined ( __MSC__ ) || defined(__DJGPP__) || \
+  defined(__GNUC__) || defined(__MWERKS__)
+  for ( i = 0; i < outlength; i++ ) {
+    output_array2[i].x += vertex_snap_constant;
+    output_array2[i].x -= vertex_snap_constant;
+    output_array2[i].y += vertex_snap_constant;
+    output_array2[i].y -= vertex_snap_constant;
+  }
+#else
+#  error VERTEX SNAPPING MUST BE IMPLEMENTED FOR THIS COMPILER
+#endif
+  grDrawPolygonVertexList( outlength, output_array2 );
+} /* guDrawTriangleWithClip */
+
+/*---------------------------------------------------------------------------
+**  guAADrawTriangleWithClip
+*/
+GR_DIENTRY(guAADrawTriangleWithClip, void,
+           (const GrVertex *a, const GrVertex *b, const GrVertex *c ))
+{
+  GR_DCL_GC;
+  GrVertex
+    output_array[8],
+    output_array2[8],
+    input_array[3];
+  int
+    i,
+    ilist[10],
+    outlength;
+
+  GDBG_INFO_MORE(99,"guAADrawTriangleWithClip(0x%x,0x%x,0x%x)\n",a,b,c);
+
+   /*
+    ** perform trivial accept
+    */
+  if (
+      ( a->x >= gc->state.clipwindowf_xmin) &&
+      ( a->x < gc->state.clipwindowf_xmax ) &&
+      ( a->y >= gc->state.clipwindowf_ymin ) &&
+      ( a->y < gc->state.clipwindowf_ymax ) &&
+      ( b->x >= gc->state.clipwindowf_xmin ) &&
+      ( b->x < gc->state.clipwindowf_xmax ) &&
+      ( b->y >= gc->state.clipwindowf_ymin ) &&
+      ( b->y < gc->state.clipwindowf_ymax ) &&
+      ( c->x >= gc->state.clipwindowf_xmin ) &&
+      ( c->x < gc->state.clipwindowf_xmax ) &&
+      ( c->y >= gc->state.clipwindowf_ymin ) &&
+      ( c->y < gc->state.clipwindowf_ymax )
+      )
+  {
+    grAADrawTriangle( a, b, c, FXTRUE, FXTRUE, FXTRUE );
+    return;
+  }
+
+  /*
+   ** go ahead and clip and render
+   */
+  input_array[0] = *a;
+  input_array[1] = *b;
+  input_array[2] = *c;
+  
+  shClipPolygon( input_array,   output_array,  3,         &outlength, belowXMax, intersectRight );
+  shClipPolygon( output_array,  output_array2, outlength, &outlength, belowYMax, intersectBottom );
+  shClipPolygon( output_array2, output_array,  outlength, &outlength, aboveXMin, intersectLeft );
+  shClipPolygon( output_array,  output_array2, outlength, &outlength, aboveYMin, intersectTop );
+  
+  /*
+   ** snap vertices then decompose the n-gon into triangles
+   */
+#if defined(__WATCOMC__) || defined(__MSC__) || defined (__DJGPP__) || \
+  defined(__GNUC__) || defined(__MWERKS__)
+  for ( i = 0; i < outlength; i++ ) {
+    output_array2[i].x += vertex_snap_constant;
+    output_array2[i].x -= vertex_snap_constant;
+    output_array2[i].y += vertex_snap_constant;
+    output_array2[i].y -= vertex_snap_constant;
+    ilist[i] = i;
+  }
+
+  ilist[outlength] = 0;
+#else
+#  error VERTEX SNAPPING MUST BE IMPLEMENTED FOR THIS COMPILER
+#endif
+  grAADrawPolygon( outlength, ilist, output_array2 );
+} /* guAADrawTriangleWithClip */
+
+
+/*---------------------------------------------------------------------------
+**  guDrawPolygonVertexListWithClip
+*/
+GR_DIENTRY(guDrawPolygonVertexListWithClip, void,
+           ( int nverts, const GrVertex vlist[] ))
+{
+  GrVertex
+    output_array[GU_PRIM_MAX_VERTICES+8],
+    output_array2[GU_PRIM_MAX_VERTICES+8];
+   int
+     i,
+     outlength;
+
+  GDBG_INFO_MORE(99,"guDrawPolygonVertexListWithClip(%d,0x%x)\n",nverts,vlist);
+  /*
+   ** go ahead and clip and render
+   */
+  shClipPolygon( vlist, output_array,  nverts, &outlength, belowXMax, intersectRight );
+  shClipPolygon( output_array,  output_array2, outlength, &outlength, belowYMax, intersectBottom );
+  shClipPolygon( output_array2, output_array,  outlength, &outlength, aboveXMin, intersectLeft );
+  shClipPolygon( output_array,  output_array2, outlength, &outlength, aboveYMin, intersectTop );
+
+  /*
+   ** snap vertices then decompose the n-gon into triangles
+   */
+#if defined(__WATCOMC__) || defined(__MSC__) || defined(__DJGPP__) || \
+  defined(__GNUC__) || defined(__MWERKS__)
+  for ( i = 0; i < outlength; i++ ) {
+    output_array2[i].x += vertex_snap_constant;
+    output_array2[i].x -= vertex_snap_constant;
+    output_array2[i].y += vertex_snap_constant;
+    output_array2[i].y -= vertex_snap_constant;
+  }
+#else
+#  error VERTEX SNAPPING MUST BE IMPLEMENTED FOR THIS COMPILER
+#endif
+  grDrawPolygonVertexList( outlength, output_array2 );
+} /* guDrawPolygonVertexListWithClip */
+
+#endif /* !GLIDE3_ALPHA */

glide2x/cvg/glide/src/gump.c

@@ -0,0 +1,105 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+ * 
+ * 10    12/09/97 12:20p Peter
+ * mac glide port
+ * 
+ * 9     11/12/97 5:12p Pgj
+ * stubs for evil guFb{Read|Write}Region() calls
+ * 
+ * 8     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 7     5/21/97 6:05a Peter
+ * 
+ * 6     3/09/97 10:31a Dow
+ * Added GR_DIENTRY for di glide functions
+ * 
+ * 5     12/23/96 1:37p Dow
+ * chagnes for multiplatform glide
+**
+*/
+
+/* Implements multipass drawing */
+
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+#include "gump.h"
+
+/* CHD BUG this belongs in fxglide.h */
+void FX_CSTYLE
+_gumpTexCombineFunction( int virtual_tmu );
+
+GrMPState _gumpState;
+
+GR_DIENTRY(guMPInit, void, ( void ))
+{
+  int i;
+
+  GDBG_INFO(98,"guMPInit()\n");
+  for (i = 0; i < GLIDE_NUM_VIRTUAL_TMU; i += 1)
+  {
+    _gumpState.mmid[i] = (GrMipMapId_t) GR_NULL_MIPMAP_HANDLE;
+  }
+  _gumpState.tc_fnc = GR_MPTEXTURECOMBINE_ADD;
+}
+
+GR_DIENTRY(guMPTexCombineFunction, void, 
+           ( GrMPTextureCombineFnc_t tc_fnc ))
+{
+  GDBG_INFO(98,"guMPTexCombineFunction(%d)\n",tc_fnc);
+  _gumpState.tc_fnc = tc_fnc;
+}
+
+GR_DIENTRY(guMPTexSource, void, 
+           ( GrChipID_t virtual_tmu, GrMipMapId_t mmid ))
+{
+  GR_DCL_GC;
+  FXUNUSED( gc );
+  GDBG_INFO(98,"guMPTexSource(%d,%d)\n",virtual_tmu,mmid);
+  GR_CHECK_TMU("guMPTexSource",virtual_tmu);
+  _gumpState.mmid[virtual_tmu] = mmid;
+}
+
+extern FX_ENTRY void FX_CALL
+guFbReadRegion( const int srcX, const int srcY, const int w, const int h, const void *dst, const int strideInBytes );
+
+extern FX_ENTRY void FX_CALL
+guFbWriteRegion( const int dstX, const int dstY, const int w, const int h, const void *src, const int strideInBytes);
+
+
+/*---------------------------------------------------------------------------
+**  guFbReadRegion XXX obsolete
+*/
+GR_ENTRY(guFbReadRegion, void, ( const int srcX, const int srcY, const int w, const int h, const void *dst, const int strideInBytes ) )
+{
+}
+
+/*---------------------------------------------------------------------------
+**  guFbWriteRegion XXX obsolete
+*/
+GR_ENTRY(guFbWriteRegion, void, ( const int dstX, const int dstY, const int w, const int h, const void *src, const int strideInBytes))
+{
+}

glide2x/cvg/glide/src/gump.h

@@ -0,0 +1,59 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+**
+*/
+
+/* Multipass drawing */
+
+#ifndef __GUMP_H__
+#define __GUMP_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GLIDE_NUM_VIRTUAL_TMU   2   /* Number of virtual TMUs */
+
+typedef FxU32 GrMPTextureCombineFnc_t;
+#define GR_MPTEXTURECOMBINE_ADD           0x0 /*  */
+#define GR_MPTEXTURECOMBINE_MULTIPLY      0x1 /*  */
+#define GR_MPTEXTURECOMBINE_DETAIL0       0x2 /*  */
+#define GR_MPTEXTURECOMBINE_DETAIL1       0x3 /*  */
+#define GR_MPTEXTURECOMBINE_TRILINEAR0    0x4 /*  */
+#define GR_MPTEXTURECOMBINE_TRILINEAR1    0x5 /*  */
+#define GR_MPTEXTURECOMBINE_SUBTRACT      0x6 /*  */
+
+typedef struct {
+  GrMipMapId_t              mmid[GLIDE_NUM_VIRTUAL_TMU];
+  GrMPTextureCombineFnc_t   tc_fnc;
+} GrMPState;
+
+FX_ENTRY void FX_CALL guMPInit( void );
+FX_ENTRY void FX_CALL guMPTexCombineFunction( GrMPTextureCombineFnc_t tc );
+FX_ENTRY void FX_CALL guMPTexSource( GrChipID_t virtual_tmu, GrMipMapId_t mmid );
+FX_ENTRY void FX_CALL guMPDrawTriangle( const GrVertex *a, const GrVertex *b, const GrVertex *c );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __GUMP_H__ */

glide2x/cvg/glide/src/gutex.c

@@ -0,0 +1,211 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** 
+** 22    2/20/98 5:31p Peter
+** crybaby glide
+** 
+** 21    2/20/98 11:00a Peter
+** removed glide3 from glid2 tree
+ * 
+ * 20    1/07/98 10:22a Peter
+ * lod dithering env var
+ * 
+ * 19    1/06/98 6:47p Atai
+ * undo grSplash and remove gu routines
+ * 
+ * 18    12/17/97 4:45p Peter
+ * groundwork for CrybabyGlide
+ * 
+ * 17    12/02/97 9:49a Dow
+ * rid the world of the "Setting the same state twice" message
+ * 
+ * 16    11/20/97 6:59p Dow
+ * Fixed baseAddress for Banshee (the Devil's Own Test still uses guTex
+ * Stuff).
+ * 
+ * 15    11/18/97 4:36p Peter
+ * chipfield stuff cleanup and w/ direct writes
+ * 
+ * 14    11/17/97 4:55p Peter
+ * watcom warnings/chipfield stuff
+ * 
+ * 13    11/03/97 3:43p Peter
+ * h3/cvg cataclysm
+ * 
+ * 12    9/15/97 7:31p Peter
+ * more cmdfifo cleanup, fixed normal buffer clear, banner in the right
+ * place, lfb's are on, Hmmmm.. probably more
+ * 
+ * 11    9/04/97 3:32p Peter
+ * starting grouping serial reg writes
+ * 
+ * 10    6/06/97 10:47a Peter
+ * texture downloading, fixed 640x480 dimension, changed cvg dep to be the
+ * same as sst1
+ * 
+ * 9     5/27/97 1:16p Peter
+ * Basic cvg, w/o cmd fifo stuff. 
+ * 
+ * 8     5/21/97 6:05a Peter
+ * 
+ * 7     3/04/97 9:08p Dow
+ * 
+ * 6     12/23/96 1:37p Dow
+ * chagnes for multiplatform glide
+ * 
+ * 5     11/18/96 9:14a Sellers
+ * added checking for crossing of 2 MByte texture boundry
+**
+*/
+
+#include <string.h>
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+/* externals from gtex.c and gtexdl.c */
+extern FxU32 _grMipMapHostSize[][16];
+extern FxU32 _gr_aspect_index_table[];
+extern FxU32 _gr_aspect_xlate_table[];
+extern FxU32 _gr_evenOdd_xlate_table[];
+
+/*---------------------------------------------------------------------------
+** guTexSource
+*/
+
+GR_ENTRY(guTexSource, void, (GrMipMapId_t mmid))
+{
+#define FN_NAME "guTexSource"
+  FxU32               texMode, tLod;
+  FxU32               oldtexMode;
+  FxU32               baseAddress;
+  int                 tmu;
+  const GrMipMapInfo *mminfo;
+
+  GR_BEGIN_NOFIFOCHECK("guTexSource",99);
+  GDBG_INFO_MORE(gc->myLevel,"(%d)\n",mmid);
+
+  /* Make sure that mmid is not NULL */
+  if (mmid == GR_NULL_MIPMAP_HANDLE) return;
+
+  /* get a pointer to the relevant GrMipMapInfo struct */
+  mminfo = &gc->mm_table.data[mmid];
+  tmu = mminfo->tmu;
+
+  GR_CHECK_TMU(FN_NAME, tmu);
+
+  gc->state.current_mm[tmu] = mmid;
+
+  /* Set up new glide state for this mmid */
+  gc->state.tmu_config[tmu].mmMode =  mminfo->mipmap_mode;
+  gc->state.tmu_config[tmu].smallLod = mminfo->lod_min;
+  gc->state.tmu_config[tmu].largeLod = mminfo->lod_max;
+  gc->state.tmu_config[tmu].evenOdd =  mminfo->odd_even_mask;
+  gc->state.tmu_config[tmu].nccTable = 0;
+
+  /* Set up base address, texMode, and tLod registers */
+#if (GLIDE_PLATFORM & GLIDE_HW_H3)
+  baseAddress = mminfo->tmu_base_address + 0x200000;
+#else
+  baseAddress = mminfo->tmu_base_address >> 3;
+#endif
+  texMode     = mminfo->tTextureMode;
+  tLod        = mminfo->tLOD;
+
+  oldtexMode = gc->state.tmu_config[tmu].textureMode;
+  oldtexMode &= ~(SST_TFORMAT | SST_TCLAMPT | 
+                  SST_TCLAMPS | SST_TNCCSELECT | 
+                  SST_TLODDITHER | SST_TCLAMPW | 
+                  SST_TMAGFILTER | SST_TMINFILTER | 
+                  SST_TRILINEAR);
+  texMode |= oldtexMode;
+  if (!gc->state.allowLODdither) texMode &= ~SST_TLODDITHER;
+
+  /* Download the NCC table, if needed. */
+  if ((mminfo->format == GR_TEXFMT_YIQ_422) ||
+      (mminfo->format == GR_TEXFMT_AYIQ_8422)) {
+    int table;                    /* ncc table we'll use */
+
+    /* See if it's already down there */
+    if (gc->tmu_state[tmu].ncc_mmids[0] == mmid) {
+      /* Table 0 has what we need, so make it current */
+      table = 0;
+    } else if (gc->tmu_state[tmu].ncc_mmids[1] == mmid) {
+      /* Table 1 has what we need, so make it current */
+      table = 1;
+    } else {
+      /*
+      **  it's not down there, so we need to pick the table and
+      **  download it
+      */
+      /* Which table should we use? */
+      table = gc->tmu_state[tmu].next_ncc_table;
+
+      /* Download NCC table */
+      _grTexDownloadNccTable(tmu, table, &mminfo->ncc_table, 0, 11);
+
+      /* Set the mmid so we known it's down there */
+      gc->tmu_state[tmu].ncc_mmids[table] = mmid;
+
+      /* Set the state to know which table was the LRA */
+      gc->tmu_state[tmu].next_ncc_table = (table == 0 ? 1 : 0);
+    } /* we had to download it */
+
+    /*
+    **  Setting the TNCCSelect bit to 0 selects table 0, setting it to 1
+    **  selects table 1
+    */
+    if (table == 0)
+      texMode &= ~(SST_TNCCSELECT);
+    else
+      texMode |= SST_TNCCSELECT;
+  } /* if it's an NCC texture */
+
+  /* Force LOD dithering if the user asked for it.
+   *
+   * NB: There is a performance hit for this, but it does
+   * look better.
+   */
+  texMode |= _GlideRoot.environment.texLodDither;
+
+  /* Write relevant registers out to hardware */
+  hw = SST_TMU(hw, tmu);
+  REG_GROUP_BEGIN((0x02UL << tmu), textureMode, 3, 0x0B);
+  {
+    REG_GROUP_SET(hw, textureMode, texMode);
+    REG_GROUP_SET(hw, tLOD,        tLod);
+    REG_GROUP_SET(hw, texBaseAddr, baseAddress);
+  }
+  REG_GROUP_END();
+
+  /* update shadows */
+  gc->state.tmu_config[tmu].texBaseAddr = baseAddress;
+  gc->state.tmu_config[tmu].textureMode = texMode;
+  gc->state.tmu_config[tmu].tLOD = tLod;
+ 
+  GR_END();
+#undef FN_NAME
+} /* guTexSource */
+
+

glide2x/cvg/glide/src/gxdraw.c

@@ -0,0 +1,590 @@
+/*
+ ** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+ ** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+ ** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+ ** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+ ** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+ ** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+ ** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+ ** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+ ** 
+ ** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+ ** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+ ** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+ ** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+ ** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+ ** THE UNITED STATES.  
+ ** 
+ ** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+ **
+ ** $Header$
+ ** $Log$
+ ** Revision 1.1.1.1.2.1  2005/01/22 14:52:02  koolsmoky
+ ** enabled packed argb for cmd packet type 3
+ **
+ ** Revision 1.1.1.1  1999/12/07 21:49:11  joseph
+ ** Initial checkin into SourceForge.
+ **
+** 
+** 61    3/17/98 3:00p Peter
+** removed vertex sorting
+ * 
+ * 60    12/01/97 6:13p Peter
+ * non-packet3 tsu triangles ooz vs z
+ * 
+ * 59    11/21/97 3:20p Peter
+ * direct writes tsu registers
+ * 
+ * 58    11/18/97 4:36p Peter
+ * chipfield stuff cleanup and w/ direct writes
+ * 
+ * 57    11/17/97 4:55p Peter
+ * watcom warnings/chipfield stuff
+ * 
+ * 56    11/12/97 9:54p Peter
+ * fixed all the muckage from new config
+ * 
+ * 55    11/03/97 4:38p Peter
+ * yapc fix
+ * 
+ * 54    11/01/97 10:01a Peter
+ * tri dispatch stuff
+ * 
+ * 53    10/29/97 2:45p Peter
+ * C version of Taco's packing code
+ * 
+ * 52    10/27/97 5:59p Peter
+ * removed some debugging code
+ * 
+ * 51    10/21/97 3:22p Peter
+ * hand pack rgb
+ * 
+ * 50    10/19/97 12:51p Peter
+ * no tsu happiness
+ * 
+ * 49    10/19/97 10:59a Peter
+ * fixed p1 tsu writes
+ * 
+ * 48    10/17/97 3:15p Peter
+ * removed unused addr field from datalist
+ * 
+ * 47    10/17/97 10:15a Peter
+ * packed rgb state cleanup
+ * 
+ * 46    10/16/97 5:33p Peter
+ * argb != rgba
+ * 
+ * 45    10/16/97 3:40p Peter
+ * packed rgb
+ * 
+ * 44    10/16/97 10:31a Peter
+ * fixed hoopti tsu-subtractor unsorted
+ * 
+ * 43    10/15/97 5:53p Peter
+ * hoopti tri compare code
+ * 
+ * 42    10/10/97 4:33p Peter
+ * non-packet3 tsu triangles
+ * 
+ * 41    10/08/97 5:19p Peter
+ * optinally clamp only texture params
+ * 
+ * 40    10/08/97 11:32a Peter
+ * pre-computed packet headers for packet 3
+ * 
+ * 39    9/20/97 4:42p Peter
+ * tri_setf fixup/big fifo
+ * 
+ * 38    9/16/97 2:50p Peter
+ * fixed watcom unhappiness w/ static initializers
+ * 
+ * 37    9/15/97 7:31p Peter
+ * more cmdfifo cleanup, fixed normal buffer clear, banner in the right
+ * place, lfb's are on, Hmmmm.. probably more
+ * 
+ * 36    9/10/97 10:13p Peter
+ * fifo logic from GaryT, non-normalized fp first cut
+ * 
+ * 35    9/03/97 2:11p Peter
+ * start gdbg_info cleanup, fixed zero area no-tsu triangle muckage
+ * 
+ * 34    9/01/97 3:19p Peter
+ * no-tsu w from vertex not tmuvtx
+ * 
+ * 33    8/31/97 4:06p Peter
+ * no tsu fix
+ * 
+ * 32    8/31/97 12:04p Peter
+ * hacked no-tsu code
+ * 
+ * 31    7/25/97 11:40a Peter
+ * removed dHalf, change field name to match real use for cvg
+ * 
+ * 30    6/30/97 3:22p Peter
+ * cmd fifo sanity
+ * 
+ * 29    6/24/97 4:02p Peter
+ * proper cmd fifo placement
+ * 
+ * 28    6/23/97 4:43p Peter
+ * cleaned up #defines etc for a nicer tree
+ **
+ */
+
+#include <3dfx.h>
+#include <glidesys.h>
+
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+#ifdef GDBG_INFO_ON
+/* Some debugging information */
+static char *indexNames[] = {  
+  "GR_VERTEX_X_OFFSET",         /* 0 */
+  "GR_VERTEX_Y_OFFSET",         /* 1 */
+  "GR_VERTEX_Z_OFFSET",         /* 2 */
+  "GR_VERTEX_R_OFFSET",         /* 3 */
+  "GR_VERTEX_G_OFFSET",         /* 4 */
+  "GR_VERTEX_B_OFFSET",         /* 5 */
+  "GR_VERTEX_OOZ_OFFSET",       /* 6 */
+  "GR_VERTEX_A_OFFSET",         /* 7 */
+  "GR_VERTEX_OOW_OFFSET",       /* 8 */
+  "GR_VERTEX_SOW_TMU0_OFFSET",  /* 9 */
+  "GR_VERTEX_TOW_TMU0_OFFSET",  /* 10 */
+  "GR_VERTEX_OOW_TMU0_OFFSET",  /* 11 */
+  "GR_VERTEX_SOW_TMU1_OFFSET",  /* 12 */
+  "GR_VERTEX_TOW_TMU1_OFFSET",  /* 13 */
+  "GR_VERTEX_OOW_TMU1_OFFSET"	/* 14 */
+};  
+#endif
+
+/*
+ **  _trisetup_nogradients
+ **
+ **  This routine does all the setup needed for drawing a triangle.  It
+ **  is intended to be an exact specification for the mechanisim used
+ **  to pass vertices to the assembly language triangle setup code, and
+ **  as such has no optimizations at all.  Whenever a 'shortcut'
+ **  routine to draw triangles (such as for antialiasing, fast lines,
+ **  fast spans, polygons, etc) is needed, this code should be used as
+ **  the starting point.
+ **
+ */
+GR_DDFUNC(_trisetup_nogradients,
+          FxI32,
+          (const GrVertex *va, const GrVertex *vb, const GrVertex *vc))
+{
+#define FN_NAME "_trisetup_nogradients"
+  GR_DCL_GC;
+
+  _GlideRoot.stats.trisProcessed++;
+
+#if GLIDE_TRI_CULLING
+  {
+  const float *fa = &va->x;
+  const float *fb = &vb->x;
+  const float *fc = &vc->x;
+  float dxAB, dxBC, dyAB, dyBC;
+	
+    /* Compute Area */
+    dxAB = fa[GR_VERTEX_X_OFFSET] - fb[GR_VERTEX_X_OFFSET];
+    dxBC = fb[GR_VERTEX_X_OFFSET] - fc[GR_VERTEX_X_OFFSET];
+    
+    dyAB = fa[GR_VERTEX_Y_OFFSET] - fb[GR_VERTEX_Y_OFFSET];
+    dyBC = fb[GR_VERTEX_Y_OFFSET] - fc[GR_VERTEX_Y_OFFSET];
+    
+    /* Stash the area in the float pool for easy access */
+    _GlideRoot.pool.ftemp1 = dxAB * dyBC - dxBC * dyAB;
+    
+#define FloatVal(__f) (((__f) < 786432.875) ? (__f) : ((__f) - 786432.875))
+    {
+      const FxI32 j = *(FxI32*)&_GlideRoot.pool.ftemp1;
+      const FxU32 culltest = (gc->state.cull_mode << 31UL);
+      
+      /* Zero-area triangles are BAD!! */
+      if ((j & 0x7FFFFFFF) == 0) {
+        GDBG_INFO(291, FN_NAME": Culling (%g %g) (%g %g) (%g %g) : (%g : 0x%X : 0x%X)\n",
+                  FloatVal(fa[0]), FloatVal(fa[1]), 
+                  FloatVal(fb[0]), FloatVal(fb[1]), 
+                  FloatVal(fc[0]), FloatVal(fc[1]), 
+                  _GlideRoot.pool.ftemp1, gc->state.cull_mode, culltest);
+
+        return 0;
+      }
+      
+      /* Backface culling, use sign bit as test */
+      if ((gc->state.cull_mode != GR_CULL_DISABLE) && (((FxI32)(j ^ culltest)) >= 0)) {
+        GDBG_INFO(291, FN_NAME": Culling (%g %g) (%g %g) (%g %g) : (%g : 0x%X : 0x%X)\n",
+                  FloatVal(fa[0]), FloatVal(fa[1]), 
+                  FloatVal(fb[0]), FloatVal(fb[1]), 
+                  FloatVal(fc[0]), FloatVal(fc[1]), 
+                  _GlideRoot.pool.ftemp1, gc->state.cull_mode, culltest);
+        
+        return -1;
+      }
+    }
+  }
+#endif /* GLIDE_TRI_CULLING */
+
+  /* Stuff for using hw tsu */
+#if GLIDE_HW_TRI_SETUP
+  {
+    const float* vectorArray[3];
+
+    /* Load up the real vertices */
+    vectorArray[0] = &va->x;
+    vectorArray[1] = &vb->x;
+    vectorArray[2] = &vc->x;
+
+#if GLIDE_PACKET3_TRI_SETUP
+    GR_SET_EXPECTED_SIZE(_GlideRoot.curTriSize, 1);
+    TRI_BEGIN();
+    {
+      int vectorIndex;
+
+      for(vectorIndex = 0; vectorIndex < sizeof(vectorArray) / sizeof(float*); vectorIndex++) {
+        const float* const vector = vectorArray[vectorIndex];
+      
+        /* Triangle vertex coordinages (x, y) */
+        TRI_SETF(vector[GR_VERTEX_X_OFFSET]);
+        TRI_SETF(vector[GR_VERTEX_Y_OFFSET]);
+      
+        /* Other triangle parameters */
+        {
+          const int* dataList = gc->tsuDataList;
+
+#if GLIDE_PACKED_RGB
+          if ((gc->cmdTransportInfo.paramMask & SSTCP_PKT3_PACKEDCOLOR) != 0)
+          {
+            FxBool doColorP = FXFALSE;
+            FxU32 packedColor = 0x00;
+            
+            if (*dataList == (GR_VERTEX_R_OFFSET << 2)) {
+              packedColor = (RGBA_COMP_CLAMP(FARRAY(vector, (GR_VERTEX_B_OFFSET << 2)), B) | 
+                             RGBA_COMP_CLAMP(FARRAY(vector, (GR_VERTEX_G_OFFSET << 2)), G) |
+                             RGBA_COMP_CLAMP(FARRAY(vector, (GR_VERTEX_R_OFFSET << 2)), R));
+              dataList++;
+              doColorP = FXTRUE;
+            }
+
+            if (*dataList == (GR_VERTEX_A_OFFSET << 2)) {
+              packedColor |= RGBA_COMP_CLAMP(FARRAY(vector, (GR_VERTEX_A_OFFSET << 2)), A);
+              dataList++;
+              doColorP = FXTRUE;
+            }
+            
+            if (doColorP) TRI_SET(packedColor);
+          }
+#endif /* GLIDE_PACKED_RGB */
+
+#if GLIDE_FP_CLAMP_TEX
+          while(*dataList != 0) {
+            TRI_SETF(FARRAY(vector, *dataList));
+            dataList++;
+          }
+
+          dataList++;
+#endif /* GLIDE_FP_CLAMP_TEX */
+         
+          while(*dataList != 0) {
+            TRI_SETF_CLAMP(FARRAY(vector, *dataList));
+            dataList++;
+          }
+        }         
+      }
+    }
+    TRI_END;
+    GR_CHECK_SIZE();
+#else /* !GLIDE_PACKET3_TRI_SETUP */
+    {
+      GR_DCL_HW;
+      int vectorIndex;
+      FxU32 sMode = (gc->cmdTransportInfo.paramMask >> SSTCP_PKT3_PMASK_SHIFT);
+      FxU32 paramMask = (sMode & 0xFF);
+      FxU32 paramCount;
+
+      /* Convert packet 3 paramMask into sMode format */
+      sMode = (paramMask | ((sMode & 0xF000) << 4));
+
+      {
+        const FxBool hasColor = ((sMode & 0x01) != 0);
+        const FxBool hasAlpha = ((sMode & 0x02) != 0);
+        const FxBool hasZ = ((sMode & 0x04) != 0);
+        const FxBool hasWb = ((sMode & 0x08) != 0);
+        const FxBool hasW0 = ((sMode & 0x10) != 0);
+        const FxBool hasST0 = ((sMode & 0x20) != 0);
+        const FxBool hasW1 = ((sMode & 0x40) != 0);
+        const FxBool hasST1 = ((sMode & 0x80) != 0);
+
+        /* We always send vertex XY */
+        paramCount = 2;
+        paramMask = 0x03;
+
+        /* Build parameter data for reg group packet */
+#if GLIDE_PACKED_RGB
+        if (hasColor || hasAlpha) {
+          paramCount += 1;
+          paramMask |= 0x04;
+        }
+#else /* !GLIDE_PACKED_RGB */
+        if (hasColor) {
+          paramCount += 3;
+          paramMask |= 0x38;
+        }
+        if (hasAlpha) {
+          paramCount += 1;
+          paramMask |= 0x40;
+        }
+#endif /* !GLIDE_PACKED_RGB */
+
+        if (hasZ) {
+          paramCount += 1;
+          paramMask |= 0x80;
+        }
+        if (hasWb) {
+          paramCount += 1;
+          paramMask |= 0x100;
+        }
+        if (hasW0) {
+          paramCount += 1;
+          paramMask |= 0x200;
+        }
+        if (hasST0) {
+          paramCount += 2;
+          paramMask |= 0xC00;
+        }
+        if (hasW1) {
+          paramCount += 1;
+          paramMask |= 0x1000;
+        }
+        if (hasST1) {
+          paramCount += 2;
+          paramMask |= 0x6000;
+        }
+
+        /* Set mode once for teh whole triangle */
+        GR_SET_EXPECTED_SIZE(sizeof(FxU32), 1);
+        GR_SET(BROADCAST_ID, hw, sSetupMode, sMode);
+        GR_CHECK_SIZE();
+        
+        for(vectorIndex = 0; vectorIndex < sizeof(vectorArray) / sizeof(float*); vectorIndex++) {
+          const GrVertex* curVertex = (const GrVertex*)vectorArray[vectorIndex];
+          
+          REG_GROUP_BEGIN(BROADCAST_ID, sVx, paramCount, paramMask);
+          {
+            REG_GROUP_SETF(hw, sVx, curVertex->x);
+            REG_GROUP_SETF(hw, sVy, curVertex->y);
+
+#if GLIDE_PACKED_RGB
+            if (hasColor || hasAlpha) {
+              FxU32 packedVal = 0x00;
+
+              if (hasColor) packedVal = ((RGBA_COMP_CLAMP(curVertex->b, B) << 0UL) |
+                                         (RGBA_COMP_CLAMP(curVertex->g, G) << 8UL) |
+                                         (RGBA_COMP_CLAMP(curVertex->r, R) << 16UL));
+              if (hasAlpha) packedVal |= (RGBA_COMP_CLAMP(curVertex->a, A) << 24UL);
+              
+              REG_GROUP_SET(hw, sARGB, packedVal);
+            }
+#else /* !GLIDE_PACKED_RGB */
+            if (hasColor) {
+              REG_GROUP_SETF(hw, sRed, curVertex->r);
+              REG_GROUP_SETF(hw, sGreen, curVertex->g);
+              REG_GROUP_SETF(hw, sBlue, curVertex->b);
+            }
+            if (hasAlpha) REG_GROUP_SETF(hw, sAlpha, curVertex->a);
+#endif /* !GLIDE_PACKED_RGB */
+
+            if (hasZ) REG_GROUP_SETF(hw, sVz, curVertex->ooz);
+            if (hasWb) REG_GROUP_SETF(hw, sOowfbi, curVertex->oow);
+
+            /* TMU0 */
+            if (hasW0) REG_GROUP_SETF(hw, sOow0, curVertex->tmuvtx[0].oow);
+            if (hasST0) {
+              REG_GROUP_SETF(hw, sSow0, curVertex->tmuvtx[0].sow);
+              REG_GROUP_SETF(hw, sTow0, curVertex->tmuvtx[0].tow);
+            }
+
+            /* TMU1 */
+            if (hasW1) REG_GROUP_SETF(hw, sOow1, curVertex->tmuvtx[1].oow);
+            if (hasST1) {
+              REG_GROUP_SETF(hw, sSow1, curVertex->tmuvtx[1].sow);
+              REG_GROUP_SETF(hw, sTow1, curVertex->tmuvtx[1].tow);
+            }
+          }
+          REG_GROUP_END();
+
+          GR_SET_EXPECTED_SIZE(sizeof(FxU32), 1);
+          if (vectorIndex == 0) {
+            GR_SET(BROADCAST_ID, hw, sBeginTriCMD, 0);
+          } else {
+            GR_SET(BROADCAST_ID, hw, sDrawTriCMD, 0);
+          }
+          GR_CHECK_SIZE();
+        }
+      }
+    }
+#endif /* !GLIDE_PACKET3_TRI_SETUP */
+
+    goto __triDrawn;
+  }
+#endif /* GLIDE_HW_TRI_SETUP */
+
+#if !GLIDE_HW_TRI_SETUP
+#if !defined(GLIDE_TRI_CULLING) || !GLIDE_TRI_CULLING
+#error "GLIDE_TRI_CULLING must be enabled to sort vertices"
+#endif
+
+  {
+    GR_DCL_HW;
+
+    TRI_NO_TSU_BEGIN(FXTRUE);
+    {
+      const float ooa = _GlideRoot.pool.f1 / _GlideRoot.pool.ftemp1;
+      volatile FxU32* hwAddr = &hw->FvA.x;
+            
+      /* Divide the deltas by the area for gradient calculation. */
+      dxBC *= ooa;
+      dyAB *= ooa;
+      dxAB *= ooa;
+      dyBC *= ooa;
+	    
+      GDBG_INFO(85, FN_NAME": No-TSU Triangle area: (%g %g) : (%g %g %g %g)\n",
+                _GlideRoot.pool.ftemp1, ooa,
+                dxAB, dxBC, dyAB, dyBC);
+      
+      /* write out X & Y for vertex A */  
+      TRI_NO_TSU_SETF(hwAddr++, fa[GR_VERTEX_X_OFFSET]);
+      TRI_NO_TSU_SETF(hwAddr++, fa[GR_VERTEX_Y_OFFSET]);
+
+      /* write out X & Y for vertex B */
+      TRI_NO_TSU_SETF(hwAddr++, fb[GR_VERTEX_X_OFFSET]);
+      TRI_NO_TSU_SETF(hwAddr++, fb[GR_VERTEX_Y_OFFSET]);  
+  
+      /* write out X & Y for vertex C */
+      TRI_NO_TSU_SETF(hwAddr++, fc[GR_VERTEX_X_OFFSET]);
+      TRI_NO_TSU_SETF(hwAddr++, fc[GR_VERTEX_Y_OFFSET]);
+
+      /* Send down the starting parameter values, these come from
+       * the sorted vertex A.
+       */
+      {
+        int i = GR_VERTEX_R_OFFSET;
+
+        while(i < GR_VERTEX_OOW_OFFSET) {
+          TRI_NO_TSU_SETF(hwAddr++, fa[i++]);
+        }
+
+        /* Skip fbi oow */
+        i++;
+
+        /* FixMe? We currently only do one tmu. */
+        while(i < GR_VERTEX_OOW_TMU0_OFFSET) {
+          TRI_NO_TSU_SETF(hwAddr++, fa[i]);
+          i++;
+        }
+
+        TRI_NO_TSU_SETF(hwAddr++, fa[GR_VERTEX_OOW_OFFSET]);
+      }
+
+      /* Send the x gradients */
+      {
+        int i = GR_VERTEX_R_OFFSET;
+
+        while(i < GR_VERTEX_OOW_OFFSET) {
+          const float curGrad = (((fa[i] - fb[i]) * dyBC) -
+                                 ((fb[i] - fc[i]) * dyAB));
+		    
+          GDBG_INFO(285, FN_NAME": Gradient 0x%X : %g %g %g : %g\n",
+                    ((FxU32)hwAddr - (FxU32)hw) >> 2,
+                    fa[i], fb[i], fc[i], curGrad);
+		    
+          TRI_NO_TSU_SETF(hwAddr++, curGrad);
+          i++;
+        }
+
+        /* Skip fbi oow */
+        i++; 
+
+        /* FixMe? We currently only do one tmu. */
+        while(i < GR_VERTEX_OOW_TMU0_OFFSET) {
+          const float curGrad = (((fa[i] - fb[i]) * dyBC) -
+                                 ((fb[i] - fc[i]) * dyAB));
+		    
+          GDBG_INFO(285, FN_NAME": Gradient 0x%X : %g %g %g : %g\n",
+                    ((FxU32)hwAddr - (FxU32)hw) >> 2,
+                    fa[i], fb[i], fc[i], curGrad);
+		    
+          TRI_NO_TSU_SETF(hwAddr++, curGrad);
+          i++;
+        }
+
+        {
+          const float curGrad = (((fa[GR_VERTEX_OOW_OFFSET] - fb[GR_VERTEX_OOW_OFFSET]) * dyBC) -
+                                 ((fb[GR_VERTEX_OOW_OFFSET] - fc[GR_VERTEX_OOW_OFFSET]) * dyAB));
+                    
+          TRI_NO_TSU_SETF(hwAddr++, curGrad);
+        }
+      }
+
+      /* Send the y gradients */
+      {
+        int i = GR_VERTEX_R_OFFSET;
+
+        while(i < GR_VERTEX_OOW_OFFSET) {
+          const float curGrad = (((fb[i] - fc[i]) * dxAB) -
+                                 ((fa[i] - fb[i]) * dxBC));
+		    
+          GDBG_INFO(285, FN_NAME": Gradient 0x%X : %g %g %g : %g\n",
+                    ((FxU32)hwAddr - (FxU32)hw) >> 2,
+                    fa[i], fb[i], fc[i], curGrad);
+
+          TRI_NO_TSU_SETF(hwAddr++, curGrad);
+          i++;
+        }
+
+        /* Skip fbi oow */
+        i++;
+
+        /* FixMe? We currently only do one tmu. */
+        while(i < GR_VERTEX_OOW_TMU0_OFFSET) {
+          const float curGrad = (((fb[i] - fc[i]) * dxAB) -
+                                 ((fa[i] - fb[i]) * dxBC));
+		    
+          GDBG_INFO(285, FN_NAME": Gradient 0x%X : %g %g %g : %g\n",
+                    ((FxU32)hwAddr - (FxU32)hw) >> 2,
+                    fa[i], fb[i], fc[i], curGrad);
+		    
+          TRI_NO_TSU_SETF(hwAddr++, curGrad);
+          i++;
+        }
+
+        {
+          const float curGrad = (((fb[GR_VERTEX_OOW_OFFSET] - fc[GR_VERTEX_OOW_OFFSET]) * dxAB) -
+                                 ((fa[GR_VERTEX_OOW_OFFSET] - fb[GR_VERTEX_OOW_OFFSET]) * dxBC));
+                    
+          TRI_NO_TSU_SETF(hwAddr++, curGrad);
+        }                
+      }      
+	  
+      /* Draw the triangle by writing the area to the triangleCMD register */
+      TRI_NO_TSU_SETF(hwAddr, _GlideRoot.pool.ftemp1);
+      _GlideRoot.stats.trisDrawn++;
+    }
+    TRI_NO_TSU_END();
+  }
+
+  goto __triDrawn;
+#endif /* !GLIDE_HW_TRI_SETUP */
+
+__triDrawn:
+  /* If we made it this far then we drew the triangle */
+  _GlideRoot.stats.trisDrawn++;
+  GR_CHECK_SIZE();
+
+  return 1;
+    
+#undef FN_NAME
+} /* _trisetup_nogradients */

glide2x/cvg/glide/src/makefile

@@ -0,0 +1,314 @@
+#
+# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+# 
+# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+# THE UNITED STATES.  
+# 
+# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+
+TAG_REGEXP 	= $(BUILD_ROOT)\$(FX_GLIDE_HW)\glide\src\glide.rx
+
+# Compile for specific hardware
+!if "$(FX_GLIDE_HW)" == "cvg"
+FX_GLIDE_REAL_HW=       1
+
+!if "$(FX_GLIDE_CTRISETUP)" == ""
+FX_GLIDE_CTRISETUP =    0
+!endif
+
+HWSPEC          =       fifo.c
+LCDEFS          =       $(LCDEFS) -DCVG \
+                        -DGLIDE_CHIP_BROADCAST=1 -DGLIDE_DEFAULT_GAMMA=1.3f
+LCDEFS          =       $(LCDEFS) \
+                        -DGLIDE_BLIT_CLEAR=1 \
+!else if "$(FX_GLIDE_HW)" == "h3"
+FX_GLIDE_REAL_HW=       1
+FX_GLIDE_NO_FIFO=       1
+FX_GLIDE_CTRISETUP =    1
+HWSPEC          =       fifo.c
+LCDEFS          =       $(LCDEFS) -DH3 \
+                        -DGLIDE_HW_TRI_SETUP=1 -DGLIDE_PACKET3_TRI_SETUP=0
+!else
+!error "FX_GLIDE_HW == unknown value (h3|cvg)"
+!endif
+
+
+!if "$(FX_GLIDE_VTUNE)"!=""
+OTSOPTS = /Zi
+LLDOPTS = /DEBUG
+!endif
+
+!if "$(DEBUG)" == "1"
+DBGOPTS          =      -DGLIDE_DEBUG -DGDBG_INFO_ON
+GLIDE_SANITY_ALL =      1
+!endif
+
+!if "$(FX_COMPILER)" == "MICROSOFT"
+DBGOPTS          =      $(DBGOPTS) /WX
+!endif
+
+!if "$(FX_GLIDE_HW)" == ""
+!error "FX_GLIDE_HW not defined"
+!endif
+
+# Display Options
+DSPOPTS =
+SUBLIBRARIES =
+!if ("$(HAL_HW)" != "")
+DSPOPTS         =       $(DSPOPTS) -DHAL_HW=1
+SUBLIBRARIES    =       $(SUBLIBRARIES) $(BUILD_ROOT)\$(FX_GLIDE_HW)\lib\sst1init.lib
+!endif
+!if !defined(DSPOPTS)
+!error "Unknown HAL_* configuration"
+!endif
+
+# GLIDE_HW_TRI_SETUP:   Use the hw TSU for triangle rendering. 
+!if "$(FX_GLIDE_SW_SETUP)" == "1"
+LCDEFS          =       $(LCDEFS) -DGLIDE_HW_TRI_SETUP=0 -DGLIDE_TRI_CULLING=1
+FX_GLIDE_CTRISETUP = 1
+!else # HW Setup
+# Do culling test in sw for independent triangles
+CULL_MODE       =       -DGLIDE_TRI_CULLING=0
+!if "$(FX_GLIDE_HW_CULL)" != "1"
+CULL_MODE       =       -DGLIDE_TRI_CULLING=1
+!endif
+DSPOPTS         =       $(DSPOPTS) $(CULL_MODE)
+
+# Send a single DWORD ARGB rather than 4 fp values, at
+# the cost of doing the conversion.
+!if "$(FX_GLIDE_PACK_RGB)" == "1"
+LCDEFS          =       $(LCDEFS) -DGLIDE_PACKED_RGB=1
+!endif
+
+!endif # HW Tri Setup
+
+!if "$(FX_GLIDE_NO_FIFO)" != "1"
+FIFODEFS 	= -DUSE_PACKET_FIFO=1 \
+                  -DGLIDE_HW_TRI_SETUP=1 -DGLIDE_PACKET3_TRI_SETUP=1 \
+
+!if "$(FX_GLIDE_DEBUG_FIFO)" == "1"
+# GLIDE_USE_DEBUG_FIFO:   Run w/ the small fifo to cause me/glide more stress
+# FIFO_ASSERT_FULL:       Check hw depth/fifo a lot (slow)
+LCDEFS          =       $(LCDEFS)  \
+                        -DGLIDE_USE_DEBUG_FIFO=1 -DFIFO_ASSERT_FULL=1 \
+			-DASSERT_FAULT=0 #-DGLIDE_SANITY_SIZE=1
+!endif # FX_GLIDE_DEBUG_FIFO
+!else  # FX_GLIDE_NO_FIFO == 1
+FX_GLIDE_CTRISETUP = 1
+FIFODEFS	= -DGLIDE_HW_TRI_SETUP=1
+!endif
+
+# Optimization Options
+# This is for turning on and off algorithmic optimizations,
+# not flags to the C compiler.  Usually this involves
+# enabling/disabling assembly language code, but it can also   
+# change the way C code works, or how C code generates data to be 
+# used by various pieces of code.
+# Usually these are set with environment variables or arguments to 
+# nmake.
+#
+
+# Turn on/off assembly language trisetup code.
+# (C on is Assembly off) (A ssembly T ri S etup OPTS)
+!if "$(FX_GLIDE_CTRISETUP)" == "1"
+ASMTRISETUP     =
+ATSOPTS         =       -DGLIDE_USE_C_TRISETUP 
+CFILES          =       gxdraw.c
+!else
+ASMTRISETUP     =       xdraw2.asm
+DSPOPTS         =       $(DSPOPTS) -DGLIDE_DISPATCH_SETUP=1 -DGLIDE_PACKED_RGB=0
+!endif
+
+OPTOPTS         =       $(GRMOPTS) $(OTSOPTS) $(ATSOPTS)
+
+# local defines, begin with basics and then add on
+LCDEFS          =       $(LCDEFS) -DGLIDE_LIB
+
+!if "$(FX_GLIDE_CRYBABY)" == "1"
+LCDEFS		=	$(LCDEFS) -DGLIDE_CHECK_COMPATABILITY=1
+!endif
+
+# Turn Off/On compilation of shameless plug
+!if "$(FX_GLIDE_NO_PLUG)" == "1"
+!else
+LCDEFS          =       $(LCDEFS) -DGLIDE_PLUG
+!endif
+
+# Turn Off/On splash screen
+!if "$(FX_GLIDE_NO_SPLASH)" == "1"
+!else
+LCDEFS          =       $(LCDEFS) -DGLIDE_SPLASH
+!endif
+
+!if "$(FX_PCI_TARGET)" == "NT"
+LCDEFS          =       $(LCDEFS) -DNT_BUILD
+!endif
+
+#Glide 3 Stuff, for migration all
+!if "$(FX_GLIDE3)" != ""
+LCDEFS          =       $(LCDEFS) -DGLIDE3
+GLIDE3FILES     =       gstrip.c distrip.c distate.c diget.c
+!endif
+
+#Glide 3. remove migration stuff
+!if "$(FX_GLIDE3_ALPHA)" != ""
+LCDEFS          =       $(LCDEFS) -DGLIDE3_ALPHA
+GLIDE3FILES     =       gstrip.c distrip.c distate.c diget.c
+!endif
+
+!if defined(GLIDE_SANITY_ALL) || defined(GLIDE_SANITY_SIZE)
+LCDEFS          =       $(LCDEFS) -DGLIDE_SANITY_SIZE
+!endif
+!if defined(GLIDE_SANITY_ALL) || defined(GLIDE_SANITY_ASSERT)
+LCDEFS          =       $(LCDEFS) -DGLIDE_SANITY_ASSERT
+!endif
+
+# Local Defs, Includes, and Options (C)
+LCINCS          =       $(LCINCS) -I$(BUILD_ROOT)\$(FX_GLIDE_HW)\include 
+LCOPTS          =       $(DBGOPTS) $(DSPOPTS) $(OPTOPTS)
+
+# Local Defs, Includes, and Options (ASM)
+LADEFS          =       $(LADEFS) $(ASM_REGMAP_DEFS)
+LAINCS          =       -I$(BUILD_ROOT)\$(FX_GLIDE_HW)\include
+LAOPTS          =       $(DBGOPTS) $(DSPOPTS) $(OPTOPTS) /Fl /Sa
+
+AFILES          =       $(ASMTRISETUP) cpudtect.asm
+
+# sources
+HEADERS         =       glide.h gump.h glidesys.h glideutl.h
+PRIVATE_HEADERS =       fxglide.h gsstdef.h fxinline.h
+
+INSTALL_DESTINATION =   $(BUILD_ROOT)\$(FX_GLIDE_HW)
+
+CFILES              =   $(CFILES) gsplash.c g3df.c  gu.c guclip.c gpci.c gump.c\
+                        diglide.c disst.c ditex.c gbanner.c gerror.c\
+                        gmovie.c digutex.c ddgump.c gaa.c gdraw.c\
+                        gglide.c glfb.c gsst.c gtex.c gtexdl.c\
+                        gutex.c $(HWSPEC) $(GLIDE3FILES)
+
+OFILES          =       $(CFILES:.c=.obj)
+
+OTHER_CFILES    =       fxgasm.c fxbldno.c fxinline.h
+
+CODFILES        =       $(CFILES:.c=.cod)
+
+# targets
+LDIRT           =       fxgasm.obj fxgasm.exe fxgasm.h fxinline.h fxbldno.obj fxbldno.exe fxbldno.h 
+
+!if "$(FX_GLIDE3)" == "1"
+LIBRARIES       =       glide3x.lib
+!else
+LIBRARIES       =       glide2x.lib
+!endif
+RCFILE          =       glide.rc
+
+# Make a static link library for things like the diags.
+!if "$(FX_DLL_BUILD)" == "1"
+FX_DLL_LIBRARY  =       1
+!else
+LCDEFS          =       $(LCDEFS) -DFX_STATIC_BUILD
+!endif
+
+
+LCDEFS          =       $(LCDEFS) $(FIFODEFS)
+
+!include $(BUILD_ROOT)\swlibs/include/nmake/3dfx.mak
+
+codfiles:   $(CODFILES)
+xdraw2.obj : xdraw2.asm xdraw2.inc fxgasm.h fxinline.h
+
+ctags:  $(CFILES)
+        ctags $(CFILES)
+
+gbanner.obj : banner.inc
+gsplash.obj : splshdat.c
+
+!if "$(FX_TARGET)" == "WIN32"
+!if "$(FX_DLL_BUILD)" != ""
+glide2x.dll:
+        del fxbldno.h
+!endif
+!endif
+
+!if "$(FX_TARGET)" == "DOS"
+!if "$(FX_DLL_BUILD)" != ""
+
+glimport.obj: glimport.asm
+
+IMPORT_DEPS =   $(BUILD_ROOT)\swlibs\lib\dllload.lib \
+                $(DLLLOADS) glimport.obj 
+
+glide2x.lib:   $(IMPORT_DEPS)
+        if exist glide2x.lib del glide2x.lib
+        wlib glide2x.lib +$(BUILD_ROOT)\swlibs\lib\dllload.lib +glimport.obj 
+!if "$(FX_WATCOM_REG_CALL)" != "1"
+        wlib glide2x.lib +$(BUILD_ROOT)\swlibs\lib\dllloads.obj
+!endif            
+        if exist $(BUILD_ROOT)\$(FX_GLIDE_HW)\lib\glide2x.lib attrib -r $(BUILD_ROOT)\$(FX_GLIDE_HW)\lib\glide2x.lib
+        if exist $(BUILD_ROOT)\$(FX_GLIDE_HW)\lib\glide2x.lib del $(BUILD_ROOT)\$(FX_GLIDE_HW)\lib\glide2x.lib
+        xcopy /d /k /r /i /s /q glide2x.lib $(BUILD_ROOT)\$(FX_GLIDE_HW)\lib
+        attrib +r $(BUILD_ROOT)\$(FX_GLIDE_HW)\lib\glide2x.lib
+
+
+!endif
+!endif
+
+!if "$(FX_COMPILER)" == "WATCOM"
+#------------------------------------------------------------
+# special rul for makeing glideapi.obj under WATCOM
+#
+
+glideapi.obj : glideapi.c
+        set $(CC_ENV_VAR)=-d2 $(GCFLAGS) $(LCFLAGS) $(VCFLAGS)
+        $(CC) glideapi.c
+!endif
+
+#--------------------------------------------------------------------------
+# special rules for making FXGASM.H
+#
+fxgasm.exe: fxgasm.c $(HEADERS) gsstdef.h fxglide.h Makefile
+!if "$(FX_COMPILER)" == "MICROSOFT"
+        $(CC) -o $@ fxgasm.c $(GCDEFS) $(LCDEFS) $(VCDEFS) $(LCOPTS) \
+        -I$(BUILD_ROOT)\$(FX_GLIDE_HW)\include -I$(BUILD_ROOT)\swlibs\include $(LDFLAGS)
+!else if "$(FX_COMPILER)" == "WATCOM"
+        set WCC386=$(CFLAGS)
+        wcl386 fxgasm.c 
+!endif  
+fxgasm.h: fxgasm.exe 
+        fxgasm -hex > fxgasm.h
+fxinline.h: fxgasm.exe
+        fxgasm -inline > fxinline.h
+
+#--------------------------------------------------------------------------
+# special rules for making FXBLDNO.H
+#
+
+fxbldno.exe: fxbldno.c $(HEADERS) $(PRIVATE_HEADERS)
+!if "$(FX_COMPILER)" == "MICROSOFT"
+        $(CC) -o $@ fxbldno.c $(GCDEFS) $(LCDEFS) $(VCDEFS) $(LCOPTS) $(LDFLAGS)
+!else if "$(FX_COMPILER)" == "WATCOM"
+        set WCC386=$(CFLAGS)
+        wcl386 fxbldno.c 
+!endif  
+
+fxbldno.h: fxbldno.exe
+        fxbldno > fxbldno.h
+
+glide.res: rcver.h fxbldno.h
+gglide.obj: rcver.h
+
+!if "$(FX_GLIDE_CTRISETUP)" != "1"
+gdraw.obj: fxinline.h
+!endif
+

glide2x/cvg/glide/src/makefile.linux

@@ -0,0 +1,335 @@
+# Linux makefile for Glide2/CVG
+# This makefile MUST be processed by GNU make!!!
+#
+# $Id$
+#
+#  Copyright (c) 2004 - Daniel Borca
+#  Email : dborca@users.sourceforge.net
+#  Web   : http://www.geocities.com/dborca
+#
+#  Copyright (c) 2004 - Hiroshi Morii
+#  Email : koolsmoky@users.sourceforge.net
+#  Web   : http://www.3dfxzone.it/koolsmoky
+#
+#  Copyright (c) 2006 - Guillem Jover <guillem@hadrons.org>
+#
+
+
+#
+#  Available options:
+#
+#    Environment variables:
+#	FX_GLIDE_HW	build for the given ASIC (cvg).
+#			default = cvg
+#	CPU		optimize for the given processor.
+#			default = 6 (PentiumPro)
+#	DEBUG=1		disable optimizations and build for debug.
+#			default = no
+#	USE_X86=1	use assembler triangle specializations; req by CVG
+#			default = yes
+#	USE_3DNOW=1	allow 3DNow! specializations. However, the true CPU
+#			capabilities are still checked at run-time to avoid
+#			crashes.
+#			default = no
+#	USE_MMX=1	allow MMX specializations.
+#			default = no
+#	FXOEM2X=1	build fxoem2x.so
+#			default = no
+#
+#    Targets:
+#	all:		build everything
+#	glide2x:	build Glide2x lib
+#	clean:		remove object files
+#	realclean:	remove all generated files
+#
+
+
+
+.PHONY: all glide2x clean realclean
+.INTERMEDIATE: fxgasm
+.SUFFIXES: .lo
+
+export PATH := $(PATH):.
+
+###############################################################################
+#	general defines (user settable?)
+###############################################################################
+
+GLIDE_VERSION_MAJOR = 2
+GLIDE_VERSION_MINOR = 53
+
+GLIDE_LIB = libglide.a
+GLIDE_SO  = libglide.so
+GLIDE_SONAME = $(GLIDE_SO).$(GLIDE_VERSION_MAJOR)
+GLIDE_SHARED = $(GLIDE_SONAME).$(GLIDE_VERSION_MINOR)
+
+FX_GLIDE_HW ?= cvg
+FX_GLIDE_SW = ../../../swlibs
+GLIDE_LIBDIR = ../../lib
+
+###############################################################################
+#	tools
+###############################################################################
+
+CC = gcc
+AS = nasm
+AR = ar
+
+CP = cp
+
+###############################################################################
+#	defines
+###############################################################################
+
+# platform
+CDEFS = -DINIT_LINUX -D__3Dfx_PCI_CFG__
+LDLIBS = -lm
+
+# general
+CDEFS += -DGLIDE_HW_TRI_SETUP=1 -DGLIDE_PACKED_RGB=0 -DGLIDE_TRI_CULLING=1 -DGLIDE_DEFAULT_GAMMA=1.3f -DGLIDE_LIB=1
+#CDEFS += -DGLIDE3 -DGLIDE3_ALPHA -DGLIDE3_SCALER
+
+# special sli buffer clears
+CDEFS += -DGLIDE_BLIT_CLEAR=1
+
+# workaround for CVGs with broken tsus which cannot send commands to multiple 
+# tmus using chipfield. chipfield will always be set to 0xf
+CDEFS += -DGLIDE_CHIP_BROADCAST=1
+
+# subsystem
+CDEFS += -DCVG
+
+# debug
+ifdef DEBUG
+CDEFS += -DGDBG_INFO_ON -DGLIDE_DEBUG -DGLIDE_SANITY_ASSERT -DGLIDE_SANITY_SIZE
+endif
+
+override USE_FIFO = 1
+#override USE_X86 = 1
+
+ifeq ($(USE_X86),1)
+CDEFS += -DGLIDE_DISPATCH_SETUP=1 -DGLIDE_DISPATCH_DOWNLOAD=1
+override USE_FIFO = 1
+CDEFS += -DHAVE_XDRAWTRI_ASM=1
+override USE_DRAWTRI_ASM = 1
+else
+CDEFS += -DGLIDE_USE_C_TRISETUP=1
+endif
+
+# fifo
+ifeq ($(USE_FIFO),1)
+CDEFS += -DUSE_PACKET_FIFO=1 -DGLIDE_PACKET3_TRI_SETUP=1
+endif
+
+# other
+CDEFS += -DGLIDE_PLUG -DGLIDE_SPLASH
+
+###############################################################################
+#	flags
+###############################################################################
+
+# librarian
+ARFLAGS = rus
+
+# assembler
+ASFLAGS = -O6 -felf -D__linux__
+ASFLAGS += $(CDEFS)
+
+# compiler
+CFLAGS = -Wall -W
+CFLAGS += -I. -I../../incsrc -I../../init
+CFLAGS += -I$(FX_GLIDE_SW)/fxmisc -I$(FX_GLIDE_SW)/newpci/pcilib -I$(FX_GLIDE_SW)/fxmemmap
+CFLAGS += $(CDEFS)
+
+# cpu optimized triangle
+ifeq ($(USE_MMX),1)
+CFLAGS += -DGL_MMX
+override USE_X86 = 1
+endif
+
+ifeq ($(USE_3DNOW),1)
+CFLAGS += -DGL_AMD3D
+override USE_X86 = 1
+endif
+
+ifeq ($(USE_X86),1)
+CFLAGS += -DGL_X86 -DBIG_OPT
+OPTFLAGS ?= -O6 -march=pentium2 -mtune=pentium3 -fomit-frame-pointer -funroll-loops \
+	-fexpensive-optimizations -ffast-math -Wno-unused
+else
+CFLAGS += -DGLIDE_USE_C_TRISETUP
+OPTFLAGS ?= -O6 -march=pentium2 -mtune=pentium3 -ffast-math -Wno-unused
+endif
+
+# optflags
+CFLAGS += $(OPTFLAGS)
+
+###############################################################################
+#	objects
+###############################################################################
+
+GLIDE_OBJECTS = \
+	fifo.o \
+	gsplash.o \
+	g3df.o  \
+	gu.o \
+	guclip.o \
+	gpci.o \
+	gump.o \
+	diglide.o \
+	disst.o \
+	ditex.o \
+	gbanner.o \
+	gerror.o \
+	gmovie.o \
+	digutex.o \
+	ddgump.o \
+	gaa.o \
+	gdraw.o \
+	gglide.o \
+	glfb.o \
+	gsst.o \
+	gtex.o \
+	gtexdl.o \
+	gutex.o \
+	cpuid.o \
+	fpu.o \
+	xtexdl_def.o
+
+ifeq ($(USE_DRAWTRI_ASM),1)
+GLIDE_OBJECTS += xdrawtri.o
+endif
+ifeq ($(USE_X86),1)
+GLIDE_OBJECTS += \
+	xdraw2_def.o
+ifeq ($(USE_MMX),1)
+GLIDE_OBJECTS += \
+	xtexdl_mmx.o
+endif
+ifeq ($(USE_3DNOW),1)
+GLIDE_OBJECTS += \
+	xdraw2_3dnow.o \
+	xtexdl_3dnow.o
+endif
+else
+GLIDE_OBJECTS += \
+	gxdraw.o
+endif
+
+GLIDE_OBJECTS += \
+	$(FX_GLIDE_SW)/newpci/pcilib/fxpci.o \
+	$(FX_GLIDE_SW)/newpci/pcilib/fxlinux.o \
+	$(FX_GLIDE_SW)/newpci/pcilib/fxmsr.o \
+	../../init/canopus.o \
+	../../init/dac.o \
+	../../init/gamma.o \
+	../../init/gdebug.o \
+	../../init/info.o \
+	../../init/parse.o \
+	../../init/print.o \
+	../../init/sli.o \
+	../../init/sst1init.o \
+	../../init/util.o \
+	../../init/video.o
+
+# FIXME: needed for now to match the old library signature, should be checked
+#        if it's really needed.
+GLIDE_OBJECTS += \
+	$(FX_GLIDE_SW)/fxmisc/fxos.o \
+	$(FX_GLIDE_SW)/fxmisc/fximg.o
+
+###############################################################################
+#	rules
+###############################################################################
+
+.c.o:
+	$(CC) -o $@ $(CFLAGS) -c $<
+.c.lo:
+	$(CC) -o $@ $(CFLAGS) -DPIC -fPIC -c $<
+
+###############################################################################
+#	main
+###############################################################################
+all: glide2x fxoem2x
+
+glide2x: $(GLIDE_LIBDIR)/$(GLIDE_LIB) $(GLIDE_LIBDIR)/$(GLIDE_SO)
+
+$(GLIDE_LIBDIR)/$(GLIDE_LIB): $(GLIDE_OBJECTS)
+	$(AR) $(ARFLAGS) $@ $^
+
+$(GLIDE_LIBDIR)/$(GLIDE_SO): $(GLIDE_LIBDIR)/$(GLIDE_SHARED)
+	ln -fs $(GLIDE_SHARED) $(GLIDE_LIBDIR)/$(GLIDE_SO)
+
+$(GLIDE_LIBDIR)/$(GLIDE_SHARED): $(GLIDE_OBJECTS:.o=.lo)
+	$(CC) -o $@ -shared -Wl,-soname,$(GLIDE_SONAME) $^ $(LDFLAGS) $(LDLIBS)
+
+ifeq ($(FXOEM2X),1)
+$(GLIDE_LIBDIR)/libfxoem2x.so: ../oem/oeminit.o
+#	$(LD) -o $@ $(LDFLAGS) ../oem/oeminit.o $(LDLIBS)
+else
+$(GLIDE_LIBDIR)/libfxoem2x.so:
+#	$(warning FxOem2x not enabled... Skipping libfxoem2x.so)
+endif
+
+fxoem2x: $(GLIDE_LIBDIR)/libfxoem2x.so
+
+###############################################################################
+#	rules(2)
+###############################################################################
+
+#cpuid.o: cpudtect.asm
+#	$(AS) -o $@ $(ASFLAGS) $<
+xdraw2_def.o: xdraw2.asm
+	$(AS) -o $@ $(ASFLAGS) $<
+xtexdl_def.o: xtexdl.c
+	$(CC) -o $@ $(CFLAGS) -c $<
+xtexdl_mmx.o: xtexdl.asm
+	$(AS) -o $@ $(ASFLAGS) -DGL_MMX=1 $<
+xdraw2_3dnow.o: xdraw2.asm
+	$(AS) -o $@ $(ASFLAGS) -DGL_AMD3D=1 $<
+xtexdl_3dnow.o: xtexdl.asm
+	$(AS) -o $@ $(ASFLAGS) -DGL_AMD3D=1 $<
+xdrawtri.o: xdrawtri.asm
+	$(AS) -o $@ $(ASFLAGS) $<
+
+#cpuid.lo: cpuid.o
+#	$(CP) $< $@
+xdraw2_def.lo: xdraw2_def.o
+	$(CP) $< $@
+xtexdl_def.lo: xtexdl_def.o
+	$(CP) $< $@
+xtexdl_mmx.lo: xtexdl_mmx.o
+	$(CP) $< $@
+xdraw2_3dnow.lo: xdraw2_3dnow.o
+	$(CP) $< $@
+xtexdl_3dnow.lo: xtexdl_3dnow.o
+	$(CP) $< $@
+xdrawtri.lo: xdrawtri.o
+	$(CP) $< $@
+
+$(GLIDE_OBJECTS): fxinline.h fxgasm.h
+
+fxinline.h: fxgasm
+	./$< -inline > $@
+
+fxgasm.h: fxgasm
+	./$< -hex > $@
+
+fxgasm: fxgasm.c
+	$(CC) -o $@ $(CFLAGS) $<
+
+###############################################################################
+#	clean, realclean
+###############################################################################
+
+clean:
+	-$(RM) *.o *.lo
+	-$(RM) ../../init/*.o ../../init/*.lo
+	-$(RM) $(FX_GLIDE_SW)/newpci/pcilib/*.o $(FX_GLIDE_SW)/newpci/pcilib/*.lo
+	-$(RM) fxinline.h
+	-$(RM) fxgasm.h
+
+realclean: clean
+	-$(RM) $(GLIDE_LIBDIR)/$(GLIDE_LIB)
+	-$(RM) $(GLIDE_LIBDIR)/$(GLIDE_SHARED)
+	-$(RM) $(GLIDE_LIBDIR)/$(GLIDE_SO)

glide2x/cvg/glide/src/rcver.h

@@ -0,0 +1,34 @@
+
+/*#include "fxbldno.h"*/
+
+#define MANVERSION              2
+#define MANREVISION             56
+
+#define BUILD_NUMBER            40405
+
+#ifndef GLIDE3
+#define VERSIONSTR "2.56\0"
+#else
+#define VERSIONSTR "3.0\0"
+#endif
+
+#if defined(CVG) || defined(VOODOO2)
+#   define HWSTR   " Voodoo(tm)\0" /* [koolsmoky] NB do not change. Required
+                                    * by Metabyte WickedGL to detect V2.
+                                    */
+#   ifdef NT_BUILD
+#     define PRODNAME "Glide(tm) for Voodoo^2\251 and Windows\256 NT\0"
+#   else
+#     define PRODNAME "Glide(tm) for Voodoo^2\251 and Windows\256 95/98\0"
+#   endif /* NT_BUILD */
+#elif defined(H3)
+#   define HWSTR   " Banshee(tm)\0"
+#   ifdef NT_BUILD
+#     define PRODNAME "Glide(tm) for Banshee\251 and Windows\256 NT\0"
+#   else
+#     define PRODNAME "Glide(tm) for Banshee\251 and Windows\256 95/98\0"
+#   endif /* NT_BUILD */
+#else
+#   define PRODNAME "Something really, really important\0"
+#   define HWSTR   "Unknown Chip\0"
+#endif

glide2x/cvg/glide/src/readme

@@ -0,0 +1,41 @@
+GDEBUG levels:
+
+Level   Description
+-----   ------------------------------------------------
+ 80     init routines
+ 81     gu3df*
+ 82	grLfb*
+ 83	grSst*
+ 84	grSstStatus, grSstIsBusy, grSstVideoLine
+ 85	gr* misc state routines
+ 86	grBuffer*
+ 87	grDisableAllEffects, grGlide?etState
+ 88	grTex* attribute routines
+ 89	grTex* download routines
+ 90	grDrawPoint
+ 91	grDrawLine
+ 92	grDrawTriangle
+ 93	grDrawPolygon*
+ 94	grDrawAAPoint
+ 95	grDrawAALine
+ 96	grDrawAATriangle
+ 97	grDrawAAPolygon*
+ 98	guMP* routines
+ 99	gu* misc. routines
+280	internal init routines
+281	routine exit traces
+282     dataList values
+
+GLIDE_PLATFORM: 
+
+        GLIDE_HARDWARE:
+                Defined if GLIDE should use the actual SST hardware.
+
+        GLIDE_HW_*:
+        GLIDE_HW_SST1:
+                This macro is for compiling 
+        GLIDE_HW_SST96:
+                This macro is for compiling Glide for SST96
+        GLIDE_HW_H3:
+                This macro is for compiling Glide for H3
+

glide2x/cvg/glide/src/xdraw2.S

@@ -0,0 +1,259 @@
+## THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+## PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+## TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+## INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+## DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+## THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+## EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+## FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+## 
+## USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+## RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+## TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+## AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+## SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+## THE UNITED STATES.  
+## 
+## COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+##
+## $Header$
+## $Revision$
+## $Log$
+## Revision 1.2  1999/12/11 00:42:21  joseph
+## Changed \(.data) to .section .data to fix build errors with binutils 2.9.5.
+##
+## Revision 1.1.1.1  1999/12/07 21:49:13  joseph
+## Initial checkin into SourceForge.
+##
+##
+## 
+## 7     5/18/98 12:16p Peter
+## culling enabling
+#	
+# 6     1/15/98 1:12p Peter
+# dispatch w/o packing
+# 
+# 5     11/06/97 3:47p Peter
+# 
+# 4     11/04/97 5:04p Peter
+# cataclysm part deux
+# 
+# 3     11/01/97 10:01a Peter
+# tri dispatch stuff
+# 
+# 2     10/30/97 6:53p Peter
+# first real cut at tri asm
+# 
+# 1     10/30/97 4:29p Peter
+# asm tri code
+# 
+# 2     7/07/97 2:14p Jdt
+# assembly now on par with C code.
+# 
+# 1     7/07/97 8:37a Jdt
+# B4 Chip field fix.
+##
+
+.file   "xdraw2.s"
+#OPTION OLDSTRUCTS       
+# 586P
+
+# This was xdraw2.s but I renamed it for now to work with the shared
+# swlibs.  It hasn't changed to the format used in the .S files for
+# the Voodoo3 Glide soruces.
+	
+# some useful floating load and store macros <ala gmt>
+#flds    TEXTEQU <fld  DWORD PTR>
+#fsubs   TEXTEQU <fsub DWORD PTR>
+#fmuls   TEXTEQU <fmul DWORD PTR>
+
+	.align 4
+.section	.data
+One         .DATA  0x03f800000
+Area        .DATA  0
+dxAB        .DATA  0
+dxBC        .DATA  0
+dyAB        .DATA  0
+dyBC        .DATA  0
+culltest    .DATA  0
+
+	    ## Extra junk to pad out to the next cache line.
+bias0	.DATA  0
+pad1	.DATA  0
+pad2	.DATA  0
+pad3	.DATA  0
+pad4	.DATA  0
+pad5	.DATA  0
+pad6	.DATA  0
+pad7	.DATA  0
+bias1	.DATA  0
+
+#	_DATA   ENDS
+
+# Ugly, but seems to workaround the problem with locally defined
+# data segment globals not getting relocated properly when using
+# djgpp.
+
+zArea   .EQU One+0x04
+zdxAB   .EQU One+0x08
+zdxBC   .EQU One+0x0c
+zdyAB   .EQU One+0x10
+zdyBC   .EQU One+0x14
+zculltest .EQU One+0x18
+
+### Definitions of cvg regs and glide root structures.
+.INCLUDE "fxgasm.h"
+
+## enables/disables trisProcessed and trisDrawn counters
+STATS .ASSIGNA 1
+
+#--------------------------------------------------------------------------
+# Arguments : STKOFF = 16 from 4 pushes
+#.AIF \&GLIDE_DEBUG EQ 1
+#STKOFF	.EQU  20
+#.AELSE
+STKOFF	.EQU  16
+#.AENDI
+_va$    .EQU  4 + STKOFF
+_vb$    .EQU  8 + STKOFF
+_vc$    .EQU 12 + STKOFF
+
+X       .EQU 0
+Y       .EQU 4
+                                # edx is used as index, loading from *src
+gc	.REG	(%esi)		# points to graphics context
+
+.text
+
+	.align 4
+	.globl  _trisetup_cull
+	.type _trisetup_cull, @function
+_trisetup_cull:	
+#        .code
+
+.MACRO	SYMNAME prefix
+	.LCULL\prefix:	
+.ENDM
+
+.MACRO	SYMNAMEOP op prefix
+	\op .LCULL\prefix
+.ENDM
+				
+GLIDE_CULLING       .ASSIGNA 1
+GLIDE_PACK_RGB	    .ASSIGNA 0
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+.INCLUDE "xdraw2.inc.S"
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 0
+GLIDE_CULLING       .ASSIGNA 0
+.L_end_trisetup_cull:
+	.size _trisetup_cull,.L_end_trisetup_cull-_trisetup_cull
+
+.MACRO	SYMNAME prefix
+	.LNOCULL\prefix:	
+.ENDM
+
+.MACRO	SYMNAMEOP op prefix
+	\op .LNOCULL\prefix
+.ENDM
+.AIF \&GLIDE_PACKED_RGB EQ 1
+	.align 4
+        .globl  _trisetup_cull_rgb
+	.type _trisetup_cull_rgb, @function
+_trisetup_cull_rgb:	
+#            .code
+
+GLIDE_CULLING       .ASSIGNA 1
+GLIDE_PACK_RGB	    .ASSIGNA 1
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+.INCLUDE "xdraw2.inc.S"
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 0
+GLIDE_CULLING       .ASSIGNA 0
+.L_end_trisetup_cull_rgb:
+	.size _trisetup_cull_rgb,.L_end_trisetup_cull_rgb-_trisetup_cull_rgb
+
+	.align 4
+        .globl  _trisetup_cull_argb
+	.type _trisetup_cull_argb, @function
+_trisetup_cull_argb:	
+#            .code
+
+GLIDE_CULLING       .ASSIGNA 1
+GLIDE_PACK_RGB	    .ASSIGNA 1
+GLIDE_PACK_ALPHA    .ASSIGNA 1
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+.INCLUDE "xdraw2.inc.S"
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 0
+GLIDE_CULLING       .ASSIGNA 0
+.L_end_trisetup_cull_argb:
+	.size _trisetup_cull_argb,.L_end_trisetup_cull_argb-_trisetup_cull_argb
+
+.AENDI
+	.align 4
+        .global  _trisetup
+	.type _trisetup, @function
+_trisetup:	
+#            .code
+
+GLIDE_CULLING       .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 0
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+.INCLUDE "xdraw2.inc.S"
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 0
+GLIDE_CULLING       .ASSIGNA 0
+.L_end_trisetup:
+	.size _trisetup,.L_end_trisetup-_trisetup
+
+.AIF \&GLIDE_PACKED_RGB EQ 1
+	.align 4
+        .globl _trisetup_rgb
+	.type _trisetup_rgb, @function
+_trisetup_rgb:	
+#            .code
+
+GLIDE_CULLING       .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 1
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+.INCLUDE "xdraw2.inc.S"
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 0
+GLIDE_CULLING       .ASSIGNA 0
+.L_end_trisetup_rgb:
+	.size _trisetup_rgb,.L_end_trisetup_rgb-_trisetup_rgb
+
+	.align 4
+        .globl _trisetup_argb
+	.type _trisetup_argb, @function
+_trisetup_argb:	
+#            .code
+
+GLIDE_CULLING       .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 1
+GLIDE_PACK_ALPHA    .ASSIGNA 1
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+INCLUDE xdraw2.inc
+GLIDE_GENERIC_SETUP .ASSIGNA 0
+GLIDE_PACK_ALPHA    .ASSIGNA 0
+GLIDE_PACK_RGB	    .ASSIGNA 0
+GLIDE_CULLING       .ASSIGNA 0
+.L_end_trisetup_argb:
+	.size _trisetup_argb,.L_end_trisetup_argb-_trisetup_argb
+.AENDI
+
+#_TEXT ENDS
+.END
+
+
+

glide2x/cvg/glide/src/xdraw2.asm

@@ -0,0 +1,225 @@
+;; THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+;; PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+;; TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+;; INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+;; DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+;; THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+;; EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+;; FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+;; 
+;; USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+;; RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+;; TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+;; AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+;; SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+;; THE UNITED STATES.  
+;; 
+;; COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+;;
+;; $Header$
+;; $Revision$
+;; $Log$
+;; Revision 1.1.1.1.2.3  2005/01/22 14:52:02  koolsmoky
+;; enabled packed argb for cmd packet type 3
+;;
+;; Revision 1.1.1.1.2.2  2005/01/13 16:11:39  koolsmoky
+;; prepare for packed rgb
+;;
+;; Revision 1.1.1.1.2.1  2004/12/23 20:45:56  koolsmoky
+;; converted to nasm syntax
+;; added x86 asm, 3dnow! triangle and mmx, 3dnow! texture download optimizations
+;;
+;; Revision 1.1.1.1  1999/12/07 21:49:13  joseph
+;; Initial checkin into SourceForge.
+;;
+;; 
+;; 7     5/18/98 12:16p Peter
+;; culling enabling
+; 
+; 6     1/15/98 1:12p Peter
+; dispatch w/o packing
+; 
+; 5     11/06/97 3:47p Peter
+; 
+; 4     11/04/97 5:04p Peter
+; cataclysm part deux
+; 
+; 3     11/01/97 10:01a Peter
+; tri dispatch stuff
+; 
+; 2     10/30/97 6:53p Peter
+; first real cut at tri asm
+; 
+; 1     10/30/97 4:29p Peter
+; asm tri code
+; 
+; 2     7/07/97 2:14p Jdt
+; assembly now on par with C code.
+; 
+; 1     7/07/97 8:37a Jdt
+; B4 Chip field fix.
+;;
+
+%include "xos.inc"
+
+;;; Definitions of cvg regs and glide root structures.
+%include "fxgasm.h"
+
+extrn   _GlideRoot
+extrn   _FifoMakeRoom, 12
+
+%MACRO GR_FIFO_WRITE 3
+    mov     [%1 + %2], %3
+%ENDMACRO ; GR_FIFO_WRITE
+
+%MACRO WRITE_MM1_FIFO_ALIGNED 0
+  %ifdef GL_AMD3D
+    movq      [fifo], mm1           ; store current param | previous param
+  %else
+    ;;
+  %endif
+%ENDMACRO ; WRITE_MM1_FIFO_ALIGNED
+
+%MACRO WRITE_MM1LOW_FIFO 0
+  %ifdef GL_AMD3D
+    movd      [fifo], mm1           ; store current param | previous param
+  %else
+    ;;
+  %endif
+%ENDMACRO ; WRITE_MM1LOW_FIFO
+
+segment		DATA
+    One         DD  1.0
+    Area        DD  0
+%IF GLIDE_PACKED_RGB
+    bias0       DD  0
+    bias1       DD  0
+%ENDIF
+
+segment		CONST
+$T2003  DD  12288.0
+$T2005  DD  1.0
+$T2006  DD  256.0
+
+;;; Arguments (STKOFF = 16 from 4 pushes)
+STKOFF  equ 16
+_va$    equ  4 + STKOFF
+_vb$    equ  8 + STKOFF
+_vc$    equ 12 + STKOFF
+
+    ;; coordinate offsets into vertex.
+    ;; NB:  These are constants and are not
+    ;;	    user settable like the rest of the
+    ;;	    parameter offset. Weird.
+X       equ 0
+Y       equ 4
+
+%MACRO PROC_TYPE 1
+  %ifdef GL_AMD3D
+    proc %1_3DNow, 12
+  %else
+    proc %1, 12
+  %endif
+%ENDMACRO ; PROC_TYPE
+
+;; enables/disables trisProcessed and trisDrawn counters
+%define STATS 1
+
+segment		TEXT
+
+            ALIGN 32
+PROC_TYPE _trisetup_cull
+
+%define GLIDE_CULLING	    1
+%define GLIDE_PACK_RGB	    0
+%define GLIDE_PACK_ALPHA    0
+%define GLIDE_GENERIC_SETUP 0
+%INCLUDE "xdraw2.inc"
+%undef GLIDE_GENERIC_SETUP
+%undef GLIDE_PACK_ALPHA
+%undef GLIDE_PACK_RGB
+%undef GLIDE_CULLING
+
+endp
+
+%IF GLIDE_PACKED_RGB
+
+            ALIGN 32
+PROC_TYPE _trisetup_cull_rgb
+
+%define GLIDE_CULLING	    1
+%define GLIDE_PACK_RGB	    1
+%define GLIDE_PACK_ALPHA    0
+%define GLIDE_GENERIC_SETUP 0
+%INCLUDE "xdraw2.inc"
+%undef GLIDE_GENERIC_SETUP
+%undef GLIDE_PACK_ALPHA
+%undef GLIDE_PACK_RGB
+%undef GLIDE_CULLING
+
+endp
+
+            ALIGN 32
+PROC_TYPE _trisetup_cull_argb
+
+%define GLIDE_CULLING	    1
+%define GLIDE_PACK_RGB	    1
+%define GLIDE_PACK_ALPHA    1
+%define GLIDE_GENERIC_SETUP 0
+%INCLUDE "xdraw2.inc"
+%undef GLIDE_GENERIC_SETUP
+%undef GLIDE_PACK_ALPHA
+%undef GLIDE_PACK_RGB
+%undef GLIDE_CULLING
+
+endp
+%ENDIF ; GLIDE_PACKED_RGB
+
+            ALIGN 32
+PROC_TYPE _trisetup
+
+%define GLIDE_CULLING	    0
+%define GLIDE_PACK_RGB	    0
+%define GLIDE_PACK_ALPHA    0
+%define GLIDE_GENERIC_SETUP 0
+%INCLUDE "xdraw2.inc"
+%undef GLIDE_GENERIC_SETUP
+%undef GLIDE_PACK_ALPHA
+%undef GLIDE_PACK_RGB
+%undef GLIDE_CULLING
+
+endp
+
+%IF GLIDE_PACKED_RGB
+
+            ALIGN 32
+PROC_TYPE _trisetup_rgb
+
+%define GLIDE_CULLING	    0
+%define GLIDE_PACK_RGB	    1
+%define GLIDE_PACK_ALPHA    0
+%define GLIDE_GENERIC_SETUP 0
+%INCLUDE "xdraw2.inc"
+%undef GLIDE_GENERIC_SETUP
+%undef GLIDE_PACK_ALPHA
+%undef GLIDE_PACK_RGB
+%undef GLIDE_CULLING
+
+endp
+
+            ALIGN 32
+PROC_TYPE _trisetup_argb
+
+%define GLIDE_CULLING	    0
+%define GLIDE_PACK_RGB	    1
+%define GLIDE_PACK_ALPHA    1
+%define GLIDE_GENERIC_SETUP 0
+%INCLUDE "xdraw2.inc"
+%undef GLIDE_GENERIC_SETUP
+%undef GLIDE_PACK_ALPHA
+%undef GLIDE_PACK_RGB
+%undef GLIDE_CULLING
+
+endp
+
+%ENDIF ; GLIDE_PACKED_RGB

glide2x/cvg/glide/src/xdraw2.inc.S

@@ -0,0 +1,315 @@
+## -*-asm-*-
+## THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+## PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+## TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+## INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+## DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+## THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+## EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+## FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+## 
+## USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+## RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+## TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+## AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+## SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+## THE UNITED STATES.  
+## 
+## COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+##
+## $Header$
+## $Revision$
+## $Log$
+## Revision 1.1.1.1  1999/12/07 21:49:13  joseph
+## Initial checkin into SourceForge.
+##
+# 
+# 2     10/30/97 6:53p Peter
+# first real cut at tri asm
+# 
+# 1     10/30/97 4:29p Peter
+# asm tri code
+# 
+# 2     7/07/97 2:14p Jdt
+# assembly now on par with C code.
+# 
+# 1     7/07/97 8:37a Jdt
+# B4 Chip field fix.
+##
+
+.file "xdraw2.inc.s"
+#.586P
+        
+#EXTRN   _GlideRoot:DWORD
+#EXTRN   _FifoMakeRoom:NEAR
+
+# Ugly, but seems to workaround the problem with locally defined
+# data segment globals not getting relocated properly when using
+# djgpp.
+
+#zArea   .EQU One+4
+#zdxAB   .EQU One+8
+#zdxBC   .EQU One+12
+#zdyAB   .EQU One+16
+#zdyBC   .EQU One+20
+#zculltest .EQU One+24
+
+gc      .REG    (%esi)       # points to graphics context
+
+    ## Prologue stuff
+    push    %esi
+    push    %edi
+
+    push    %ebx	
+    push    %ebp
+
+    mov     (_GlideRoot + curGC), gc    ## GR_DCL_GC
+
+.align 4
+.AIF \&GLIDE_CULLING EQ 1
+fa      .REG     (%eax)       # vtx a from caller
+fb      .REG     (%ebx)       # vtx b from caller
+fc      .REG     (%ecx)       # vtx c from caller
+
+cull    .REG     (%edx)       
+intArea .REG     (%ebp)       # temp Y storage        
+    
+    ## Pre-load the current culling mode before all of the
+    ## floating point area stuff.
+    mov     cull_mode(gc), cull
+    mov     _va$(%esp), fa
+
+    mov	    _vb$(%esp), fb
+    mov     _vc$(%esp), fc
+	
+    shl     $31, cull
+				
+ SYMNAME Area_Computation
+# 47-3
+# jmp ret_pop0f
+    flds    X(fa)		#  xa
+    fsubs   X(fb)		#  dxAB
+    flds    X(fb)		#  |    xb
+    fsubs   X(fc)		#  |    dxBC
+    flds    Y(fb)		#  |    |    yb
+    fsubs   Y(fc)		#  |    |    dyBC
+    flds    Y(fa)		#  |    |     |   ya
+    fsubs   Y(fb)		#  |    |     |   dyAB
+    fld     %st(3)              #  |    |    |    |    dxAB
+    fmul    %st(2), %st         #  |    |    |    |    t0         t0=dxAB*dyBC
+    fld     %st(3)              #  |    |    |    |    |    dxBC
+    fmul    %st(2), %st         #  |    |    |    |    |    t1    t1=dxBC*dyAB
+    fsubrp  %st, %st(1)         #  |    |    |    |    area
+    fsts    zArea	        #  |    |    |    |    area
+
+    ## Pop temp things from the sw culling off the fp stack
+    fstp    %st   # 4
+    fstp    %st   # 3
+    fstp    %st   # 2
+    fstp    %st   # 1
+    fstp    %st   # 0    
+	
+    mov     zArea, intArea        # j = *(long *)&area
+    xor     %eax, %eax		  # Clear the returnv value (0 == culled)
+	
+    # Zero Area Triangle Check
+    and     $0x7fffffff, intArea  # if ((j & 0x7FFFFFFF) == 0)
+ SYMNAMEOP   jz,      __triDone
+
+    ## Triangle area check vs culling mode
+    mov     zArea, intArea
+    xor     cull, intArea
+
+ SYMNAMEOP    jge,     __triDone
+
+.AENDI
+.align 4
+    ## Check to make sure that we have enough room for
+    ## the complete triangle packet.
+    mov	    (_GlideRoot + curTriSize), %eax
+    mov	    fifoRoom(gc), %ebx
+	
+    add	    $4, %eax
+    cmp	    %eax, %ebx
+	
+ SYMNAMEOP jge,	      __triBegin
+
+    push    $0
+    push    $0
+    
+    push    %eax
+    call    _FifoMakeRoom
+
+    add	    $12, %esp
+
+    ## Send triangle parameters
+	
+dlp     .REG     (%ebx)		# points to dataList structure
+fifo    .REG     (%ebp)		# points to next entry in fifo
+vertex  .REG	 (%edx)		# the current vertex
+vOffset .REG	 (%ecx)		# Current vertex offset
+
+packCol .REG	    (%edi)
+tempVal .REG	    (%edi)
+
+.MACRO GR_FIFO_WRITE __addr __offset __data	
+    mov    \__data, \__offset(\__addr)
+.ENDM # GR_FIFO_WRITE
+
+.align 4
+ SYMNAME __triBegin
+    mov     fifoPtr(gc), fifo		# Fetch Fifo Ptr
+    mov	    $4, vOffset			# Starting vertex    
+
+    mov	    triPacketHdr(gc), %eax 	# Packet 3 header
+    nop
+
+					# Write packet header to fifo    
+    GR_FIFO_WRITE fifo, 0, %eax       
+    add	    $4, fifo			# Advance fifo for hdr & x/y coordinate
+
+.align 4
+ SYMNAME __vertexStart
+    mov	    STKOFF(%esp,vOffset), vertex	# Current vertex
+    add	    $8, fifo    
+
+    nop						# Avoid p5 agi w/ load of vertex ptr
+    nop
+    
+    movl    X(vertex), %eax			# X
+    lea	    tsuDataList(gc), dlp		# Reset the dataList
+						# PCI write X
+    GR_FIFO_WRITE fifo, -8, %eax
+    movl    Y(vertex), %eax			# Y 
+
+    xor	    packCol, packCol			# Clear packed color
+						# PCI write Y
+    GR_FIFO_WRITE fifo, -4, %eax
+
+.AIF \&GLIDE_PACK_RGB EQ 1
+    fldl    b(vertex)				# B
+    faddl   (_GlideRoot + fBiasLo)		# BC GC
+
+    fldl    g(vertex)				# G B
+    faddl   (_GlideRoot + fBiasHi)		# GC B
+    
+    fldl    r(vertex)				# R GC BC
+    faddl   (_GlideRoot + fBiasHi)		# RC GC BC
+
+    fxch    %st(2)				# BC GC RC
+    fstpl   bias0				# GC RC
+
+    fstpl   bias1				# RC
+    movl    bias0, packCol			# B + bias
+
+    fstpl   bias0
+    movl    bias1, %eax				# G + bias
+    
+.AIF \&GLIDE_PACK_ALPHA EQ 1
+    fldl    a(vertex)
+    faddl   (_GlideRoot + fBiasHi)
+
+    and	    $0x00FF, packCol			# B color component
+    and	    $0x0000FF00, %eax			# G component << 8
+
+    add	    $8, dlp				# Packed RGB + A dataList entry
+    nop
+
+    or	    %eax, packCol			# 0000GGBB
+    nop
+
+    fstpl   bias1
+    movl    bias0, %eax				# R + bias
+    
+    movl    bias1, %esi				# A + bias
+    and	    $0x0000FF00, %eax			# R component << 8
+    
+    and	    $0x0FFFFFF00, %esi			# A component << 8
+    shl	    $8, eax				# R << 16
+    
+    or	    %eax, packCol			# 00RRGGBB
+    shl	    $16, %esi				# A << 16
+
+    or	    %esi, packCol			# AARRGGBB
+    nop
+.AELSE # !GLIDE_PACK_ALPHA    
+    and	    $0x00FF, packCol			# B color component
+    and	    $0x0000FF00, %eax			# G component << 8
+
+    add	    $4, dlp				# Next dataList item    
+    or	    %eax, packCol
+    
+    movl    bias0, %eax				# R + bias
+    and	    $0x0000FF00, %eax			# R component << 8
+
+    shl	    $8, eax				# R << 16
+    or	    %eax, packCol			# 00RRGGBB
+.AENDI # !GLIDE_PACK_ALPHA
+
+						# PCI write packed color value
+    GR_FIFO_WRITE fifo, 0, packCol
+    add	    $4, fifo
+.AENDI # GLIDE_PACK_RGB
+
+ SYMNAME __doParams
+    movl    (dlp), %eax				# Get first offset from the data list
+    add     $4, dlp				# dlp++
+
+    cmp	    $0, %eax				# Are we done?
+ SYMNAMEOP    je,	    __nextVertex
+
+    ## Not using align directive here because it sometimes
+    ## introduces an agi for the eax use below.
+    nop
+    nop
+ SYMNAME __paramLoop
+    movl    (%eax, vertex), tempVal
+    add	    $4, fifo
+    
+    movl    (dlp), %eax
+    add     $4, dlp
+    
+    cmp	    $0, %eax
+    GR_FIFO_WRITE fifo, -4, tempVal
+
+ SYMNAMEOP    jne,	    __paramLoop
+
+.align 4
+ SYMNAME __nextVertex
+    ## On to the next vertex
+    add	    $4, vOffset
+    mov     (_GlideRoot + curGC), gc		# Reload gc incase we trashed it as a temp
+
+    cmp	    $16, vOffset			# Offset of one past last vertex?
+
+ SYMNAMEOP   jne,	    __vertexStart
+
+    ## Update gc->fifoPtr and gc->fifoRoom
+    mov	    fifo, %eax
+    mov     fifoPtr(gc), %ebx
+	
+    mov	    fifo, fifoPtr(gc)
+    sub     %ebx, %eax
+
+    mov     (_GlideRoot + trisDrawn), %ebx	
+    sub	    %eax, fifoRoom(gc)
+
+    add     $1, %ebx
+    mov     %ebx, (_GlideRoot + trisDrawn)
+
+    ## return 1 (triangle drawn)
+    mov     $1, %eax
+
+ SYMNAME __triDone
+    ## Restore trashed registers
+    mov     (_GlideRoot + trisProcessed), %esi
+    pop     %ebp
+
+    add     $1, %esi
+    pop     %ebx
+	
+    pop     %edi
+    mov     %esi, (_GlideRoot + trisProcessed)
+
+    pop     %esi
+    ret

glide2x/cvg/glide/src/xdrawtri.asm

@@ -0,0 +1,46 @@
+;; THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+;; PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+;; TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+;; INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE
+;; DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com).
+;; THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
+;; EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+;; FULL TEXT OF THE NON-WARRANTY PROVISIONS.
+;;
+;; USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+;; RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+;; TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+;; AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+;; SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+;; THE UNITED STATES.
+;;
+;; COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+
+;; Adapted from gdraw.c:grDrawTriangle() for nasm
+
+%include "xos.inc"
+
+%include "fxgasm.h"
+
+extrn   _GlideRoot
+
+segment SEG_TEXT
+
+align 16
+proc grDrawTriangle, 12
+
+;;mov edx, dword [_GlideRoot+curGC]
+;;mov eax, dword [edx+kTriProcOffset]
+  mov eax, dword [_GlideRoot+curGC]
+  jmp [eax + kTriProcOffset]
+endp
+  align 16
+
+%if XOS == XOS_WIN32
+%ifdef __MINGW32__
+; GNU LD fails with '_' prefix
+export  grDrawTriangle@12
+%else
+export _grDrawTriangle@12
+%endif
+%endif ; _WIN32

glide2x/cvg/glide/src/xos.inc

@@ -0,0 +1,161 @@
+;
+; compulsory header for glide3/xdraw* assembly specializations (NASM)
+;
+; $Header$
+; $Log$
+; Revision 1.1.2.3  2004/10/04 08:57:52  dborca
+; supporting DOS/OpenWatcom in Assembly files
+;
+;
+; Revision 1.1.2.1  2003/06/07 09:53:25  dborca
+; initial checkin for NASM sources
+;
+
+;---------------------------------------
+; platform defines
+;---------------------------------------
+%define XOS_DJGPP 1
+%define XOS_LINUX 2
+%define XOS_WIN32 4
+%define XOS_WATCD 8
+
+%define STDCALL   0
+%define ELFTYPE   0
+
+;---------------------------------------
+; pick up the right OS
+;---------------------------------------
+%ifdef __DJGPP__
+%define XOS XOS_DJGPP
+%elifdef __linux__
+%define XOS XOS_LINUX
+%define ELFTYPE 1
+%elifdef __WIN32__
+%define XOS XOS_WIN32
+%define STDCALL 1
+%elifdef __WATCOMD__
+%define XOS XOS_WATCD
+%define STDCALL 1
+%else
+%error Unknown OS
+%endif
+
+;---------------------------------------
+; general purpose macros
+;---------------------------------------
+%macro	extrn	1-2 0
+	%if STDCALL && (%2 > 0)
+		%define %1 %1@%2
+	%endif
+		extern	%1
+%endmacro
+
+%macro	globl	1-2 0
+	%if STDCALL && (%2 > 0)
+		%define %1 %1@%2
+	%endif
+		global	%1
+%endmacro
+
+%macro		proc	1-2 0
+	%push	proc
+	%if STDCALL && (%2 > 0)
+		%define	%$ret	RET %2
+	%else
+		%define	%$ret	RET
+	%endif
+	%if ELFTYPE
+		globl	%1:function, %2
+	%else
+		globl	%1, %2
+	%endif
+%1:
+%endmacro
+
+%macro		endp	0
+	%ifnctx	proc
+		%error	Mismatched `endp'/`proc'
+	%else
+		%pop
+	%endif
+%endmacro
+
+%macro		ret	0
+	%ifnctx	proc
+		RET
+	%else
+		%$ret
+	%endif
+%endmacro
+
+%macro invoke 1-*
+	%rep	%0 - 1
+	%rotate -1
+	push	%1
+	%endrep
+	%rotate -1
+	call	%1
+%if (STDCALL == 0) && (%0 > 1)
+	add	esp, 4 * (%0 - 1)
+%endif
+%endmacro
+
+;---------------------------------------
+; Windows
+;---------------------------------------
+%if XOS == XOS_WIN32
+
+%define TEXT  .text   align=32
+%define DATA  .data   align=32
+%define CONST .rdata  align=32
+
+%macro GET_GC 0
+	mov	gc, [_GlideRoot + curGC]
+%endmacro
+
+%endif
+
+;---------------------------------------
+; DJGPP
+;---------------------------------------
+%if XOS == XOS_DJGPP
+
+%define TEXT  .text
+%define DATA  .data
+%define CONST .rodata
+
+%macro GET_GC 0
+	mov	gc, [_GlideRoot + curGC]
+%endmacro
+
+%endif
+
+;---------------------------------------
+; Linux
+;---------------------------------------
+%if XOS == XOS_LINUX
+
+%define TEXT  .text   align=32
+%define DATA  .data   align=32
+%define CONST .rodata align=32
+
+%macro GET_GC 0
+	mov	gc, [_GlideRoot + curGC]
+%endmacro
+
+%endif
+
+;---------------------------------------
+; WATCOM/DOS
+;---------------------------------------
+%if XOS == XOS_WATCD
+
+%define TEXT  _TEXT	align=1 public use32 class=CODE FLAT
+%define DATA  _DATA	align=4 public use32 class=DATA FLAT
+%define CONST CONST2	align=4 public use32 class=DATA FLAT
+
+%macro GET_GC 0
+	mov	gc, [_GlideRoot + curGC]
+%endmacro
+
+%endif

glide2x/cvg/glide/src/xtexdl.asm

@@ -0,0 +1,333 @@
+;; THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+;; PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+;; TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+;; INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+;; DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+;; THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+;; EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+;; FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+;; 
+;; USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+;; RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+;; TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+;; AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+;; SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+;; THE UNITED STATES.  
+;; 
+;; COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+;;
+;; $Header$
+;; $Revision$
+;; $Log$
+;; Revision 1.1.2.2  2005/04/23 18:36:36  koolsmoky
+;; fixed 3dnow! and mmx optimizations
+;;
+;; Revision 1.1.2.1  2004/12/23 20:45:56  koolsmoky
+;; converted to nasm syntax
+;; added x86 asm, 3dnow! triangle and mmx, 3dnow! texture download optimizations
+;;
+;; Revision 1.1.1.1.8.1  2003/11/03 13:34:30  dborca
+;; Voodoo2 happiness (DJGPP & Linux)
+;;
+;; Revision 1.1.8.7  2003/09/12 05:08:35  koolsmoky
+;; preparing for graphic context checks
+;;
+;; Revision 1.1.8.6  2003/07/07 23:29:06  koolsmoky
+;; cleaned logs
+;;
+;;
+;; Revision 1.1  2000/06/15 00:27:43  joseph
+;; Initial checkin into SourceForge.
+;; 
+;; 10    8/17/99 6:35p Atai
+;; fixed amd debug mode
+;; 
+;; 9     4/08/99 1:22p Atai
+;; added contect check for _grTexDownload_3DNow_MMX
+;; 
+;; 8     3/19/99 11:26a Peter
+;; expose direct fifo for gl
+;; 
+;; 7     2/02/99 4:36p Peter
+;; download through lfb rather than texture port
+;; 
+;; 6     12/17/98 2:36p Atai
+;; check in Norbert's fix for texture download width correction
+;; 
+;; 5     12/07/98 11:33a Peter
+;; norbert's re-fixes of my merge
+;; 
+;; 4     11/02/98 5:34p Atai
+;; merge direct i/o code
+;; 
+;; 3     10/20/98 5:34p Atai
+;; added #ifdefs for hwc
+;; 
+;; 2     10/14/98 12:05p Peter
+;; fixed my effed up assumption about non-volatile regs
+;; 
+;; 1     10/09/98 6:48p Peter
+;; 3DNow!(tm) version of wide texture downloads
+;; 
+;; 3     10/07/98 9:43p Peter
+;; triangle procs for 3DNow!(tm)
+;; 
+;; 2     10/05/98 7:43p Peter
+;; 3DNow!(tm) happiness everywhere
+;; 
+;; 1     10/05/98 6:01p Peter
+;; mmx stuff for 3DNow!(tm) capable processors
+;; 
+
+%include "xos.inc"
+
+extrn _FifoMakeRoom, 12
+
+%MACRO _grCommandTransportMakeRoom 3
+    push %3
+    push %2
+    push %1
+    call _FifoMakeRoom
+    add  esp, 12
+%ENDMACRO ; _grCommandTransportMakeRoom
+
+;;; Definitions of cvg regs and glide root structures.
+%INCLUDE "fxgasm.h"
+
+; Arguments (STKOFF = 16 from 4 dword pushes)
+STACKOFFSET equ 16
+_gc$        equ  4 + STACKOFFSET
+_baseAddr$  equ  8 + STACKOFFSET
+_maxS$      equ 12 + STACKOFFSET
+_minT$      equ 16 + STACKOFFSET
+_maxT$      equ 20 + STACKOFFSET
+_texData$   equ 24 + STACKOFFSET
+
+    ;; NB: The first set of registers (eax, ecx, and edx) are volatile across
+    ;; function calls. The remaining registers are supposedly non-volatile
+    ;; so they only store things that are non-volatile across the call.
+
+%define fifo    ebp         ; fifo ptr in inner loop
+%define gc      esi         ; graphics context
+%define dataPtr edi         ; pointer to exture data to be downloaded
+%define curT    ebx         ; counter for texture scan lines (t-coordinate)
+%define curS    ecx         ; texture s-coordinate
+%define fRoom   edx         ; room available in fifo (in bytes)
+
+;--------------------------------------------------------------------------
+;
+; GL_AMD3D, GL_MMX
+;
+;--------------------------------------------------------------------------
+
+segment	TEXT
+
+	ALIGN 32
+
+%IFDEF GL_AMD3D
+proc _grTexDownload_3DNow_MMX, 24
+%ENDIF
+%IFDEF GL_MMX
+proc _grTexDownload_MMX, 24
+%ENDIF
+
+    push      ebx                       ; save caller's register variable
+    mov       curT, [esp + _maxT$ - 12] ; curT = maxT
+
+    push      esi                       ; save caller's register variable
+    mov       eax, [esp + _minT$ - 8]   ; minT
+
+    push      edi                       ; save caller's register variable
+    mov       gc, [esp + _gc$ - 4]      ; gc
+
+    push      ebp                       ; save caller's register variable
+    mov       dataPtr, [esp + _texData$]; dataPtr
+
+%IFDEF GLIDE_ALT_TAB
+    test      gc, gc
+    je        .dlDone
+;    mov       edx, [gc + windowed]
+;    test      edx, 1
+;    jnz       .pastContextTest
+    mov       edx, DWORD [gc+lostContext]
+    mov       ecx, [edx]
+    test      ecx, 1
+    jnz       .dlDone
+;.pastContextTest:
+%ENDIF
+
+    sub       curT, eax                 ; curT = maxT - minT
+    mov       fifo, [gc + fifoPtr]      ; fifoPtr
+
+    mov       curS, [esp + _maxS$]      ; curS = maxS = scanline width in DWORDs
+    add       curT, 1                   ; curT = maxT - minT + 1
+
+%IFDEF GL_AMD3D
+    femms                               ; we'll use MMX/3DNow!, make sure FPU register cleared
+%ENDIF
+%IFDEF GL_MMX
+    emms                                ; we'll use MMX
+%ENDIF
+
+    movd      mm3, [esp + _baseAddr$]   ; 0 | address of texture to download
+
+    add       curS, curS		;
+    add       curS, curS		; scan line width (in bytes)
+    mov       eax, [esp + _minT$]       ; 0 | minT
+
+    mov       [esp + _maxS$], curS      ; save scan line width (in bytes)
+    mov       edx, curS			;
+
+    add       edx, edx			; packetHdr<21:3> = maxS = scanline width in DWORDs
+
+    or        edx, 0xc0000005           ; packetHdr<31:30> = texture port
+                                        ; packetHdr<21:3>  = maxS
+                                        ; packetHdr<2:0>   = packetType 5
+
+    movd      mm1, edx                  ; 0 | packetHdr
+    movd      mm2, eax                  ; 0 | minT
+    psllq     mm2, 9                    ; 0 | TEX_ROW_ADDR_INCR(minT) = minT << 9
+
+    paddd     mm3, mm2                  ; 0 | texAddr = texBaseAddr + TEX_ROW_ADDR_INCR(minT)
+    movd      mm2, [gc + tex_ptr]       ; 0 | gc->tex_ptr
+    psubd     mm3, mm2                  ; 0 | texAddr - gc->tex_ptr
+    mov       eax, 0x200                ; TEX_ROW_ADDR_INCR(1) = 1 << 9
+    movd      mm2, eax                  ; 0 | TEX_ROW_ADDR_INCR(1)
+    psllq     mm2, 32                   ; TEX_ROW_ADDR_INCR(1) | 0
+
+    mov       fRoom, [gc + fifoRoom]    ; get available fifoRoom (in bytes)
+    punpckldq mm1, mm3                  ; hdr2 = texAddr - gc->tex_ptr | hdr1 = packetHdr
+
+    ;; ebx = curT, edi = dataPtr, esi = gc, ebp = fifo, ecx = curS = maxS
+    ;; edx = fifoRoom, mm1 = texAddr-gc->tex_ptr|packetHdr, mm2 = TEX_ROW_ADDR_INCR(1)|0
+
+    test      fifo, 4                   ; is fifo QWORD aligned ?
+    jz        .startDownload            ; yup, start texture download
+
+    cmp       fRoom, 4                  ; enough room for NULL packet in fifo?
+    jge       .mmxAlignFifo             ; yes, write NULL packet to align fifo
+
+%ifdef USE_PACKET_FIFO
+    _grCommandTransportMakeRoom 4, 0, __LINE__; make fifo room
+%endif
+    
+    mov       fifo, [gc + fifoPtr]      ; fifoPtr modified by _grCommandTransportMakeRoom, reload
+
+    mov       fRoom, [gc + fifoRoom]    ; fifoRoom modified by _grCommandTransportMakeRoom, reload
+    mov       curS, [esp + _maxS$]      ; reload maxS (destroyed by call to _grCommandTransportMakeRoom)
+
+    test      fifo, 4                   ; new fifoPtr QWORD aligned ?
+    jz        .startDownload            ; yup, start texture download
+
+.mmxAlignFifo:
+
+    mov       DWORD [fifo], 0           ; write NULL packet
+    sub       fRoom, 4                  ; fifoRoom -= 4
+
+    mov       [gc + fifoRoom], fRoom    ; store new fifoRoom
+    add       fifo, 4                   ; fifoPtr += 4
+
+%IFDEF GLIDE_DEBUG
+    mov       [gc + checkPtr], fifo      ; checkPtr
+%ENDIF
+
+    mov       [gc + fifoPtr], fifo      ; store new fifoPtr
+    jmp       .startDownload            ; fifo aligned, download texture now
+
+	ALIGN 32
+
+    ;; ebx = curT, edi = dataPtr, esi = gc, ebp = fifo, ecx = maxS = curS
+    ;; edx=fifoRoom, mm1 = texAddr-gc->tex_ptr|packetHdr, mm2 = TEX_ROW_ADDR_INCR(1)|0
+
+.loopT:
+
+%IFDEF GLIDE_DEBUG
+
+    ;; Make sure that we have a QWORD aligned fifoPtr; force GP if not aligned
+
+    test      fifo, 4                   ; is fifoPtr QWORD aligned ?
+    jz        .alignmentOK              ; yup, continue
+
+    xor       eax, eax                  ; create 0
+    mov       [eax], eax                ; move to DS:[0] forces GP 
+.alignmentOK:      
+%ENDIF ; GLIDE_DEBUG
+
+    ;; Compute packet header words
+    ;;  hdr1: downloadSpace[31:30] numWords[21:3] packetType[2:0]
+    ;;  hdr2: download address[29:0]
+
+    movq      [fifo], mm1               ; store hdr2 | hdr1
+    add       fifo, 8                   ; increment fifo ptr (hdr1 + hdr2)
+
+    ;; S coordinate inner loop unrolled for 8 texels a write
+
+.loopS:        
+
+    movq      mm0, [dataPtr]            ; load 64 bit data (8 texels)
+    add       fifo, 8                   ; pre-increment fifoPtr += 2 * sizeof(FxU32)
+
+    add       dataPtr, 8                ; dataPtr += 2 * sizeof(FxU32)
+    sub       curS, 8                   ; curS -= 2 * sizeof(FxU32)
+
+    movq      [fifo - 8], mm0           ; *fifoPtr = texelData[64 bits]
+    jnz       .loopS                    ; loop while curS > 0
+
+    mov       ecx, [gc + fifoPtr]       ; old fifo ptr
+    nop                                 ; filler
+
+    mov       eax, fifo                 ; new fifo ptr
+    mov       [gc + fifoPtr], fifo      ; save new fifo ptr
+
+%IFDEF GLIDE_DEBUG
+    mov       [gc + checkPtr], fifo      ; checkPtr
+%ENDIF
+
+    sub       eax, ecx                  ; new fifo ptr - old fifo ptr = fifo space used up
+    mov       curS, [esp + _maxS$]      ; curS = maxS = width of scanline (bytes)
+
+    sub       fRoom, eax                ; new fifo space available = old fifo space available - fifo space used up = new fifo space available
+    sub       curT, 1                   ; curT--
+
+    mov       [gc + fifoRoom], fRoom    ; save new fifo space available 
+    jz        .dlDone                   ; loop while curT > 0
+
+    ;; Check for room to write the next texture scanline
+
+    ;; ebx = curT, edi = dataPtr, esi = gc, ebp = fifo
+    ;; edx = fifoRoom, mm1 = texAddr|packetHdr, mm2 = TEX_ROW_ADDR_INCR(1)|0
+
+    paddd     mm1, mm2                  ; texAddr+=TEX_ROW_ADDR_INCR(1) | packetHdr
+    mov       esp, esp                  ; filler
+.startDownload:
+    lea       eax, [curS+8]             ; fifo space needed = scan line width + header size
+ 
+    cmp       fRoom, eax                ; fifo space available >= fifo space required ?
+    jge       .loopT                    ; yup, write next scan line
+
+%ifdef USE_PACKET_FIFO
+    _grCommandTransportMakeRoom eax, 0, __LINE__; make fifo room (if fifoPtr QWORD aligned before
+%endif
+    
+    mov       fifo, [gc + fifoPtr]      ; fifoPtr was modified by _grCommandTransportMakeRoom, reload
+
+    mov       fRoom, [gc + fifoRoom]    ; fifoRoom was modified by _grCommandTransportMakeRoom, reload
+    mov       curS, [esp + _maxS$]      ; curS = maxS = width of scanline (bytes)
+    jmp       .loopT                    ; we now have enough fifo room, write next scanline
+
+.dlDone:           
+%IFDEF GL_AMD3D
+    femms                               ; exit 3DNow!(tm) state
+%ENDIF
+%IFDEF GL_MMX
+    emms                                ; exit MMX state
+%ENDIF
+
+    pop       ebp                       ; restore caller's register variable
+    pop       edi                       ; restore caller's register variable
+    
+    pop       esi                       ; restore caller's register variable
+    pop       ebx                       ; restore caller's register variable
+    
+    ret                                 ; pop 6 DWORD parameters and return
+endp

glide2x/cvg/glide/src/xtexdl.c

@@ -0,0 +1,242 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+** $Header$
+** $Log$
+** Revision 1.1.1.1  1999/12/07 21:42:38  joseph
+** Initial checkin into SourceForge.
+**
+** 
+** 1     10/08/98 11:30a Brent
+** 
+** 2     10/05/98 7:43p Peter
+** 3DNow!(tm) happiness everywhere
+** 
+** 1     10/03/98 3:37p Peter
+** Texture download vectors
+**
+*/
+
+#include <3dfx.h>
+#define FX_DLL_DEFINITION
+#include <fxdll.h>
+#include <glide.h>
+#include "fxglide.h"
+
+void FX_CSTYLE
+_grTexDownload_Default_8_1(struct GrGC_s* gc, const FxU32 tmuBaseAddr,
+			   const FxU32 maxS, const FxU32 minT, const FxU32 maxT,
+                           void* texData)
+{
+#define FN_NAME "_grTexDownload_Default_8_1"
+  FxU32 
+    t = minT,
+    tex_address = tmuBaseAddr + TEX_ROW_ADDR_INCR(t);
+  const FxU8
+    *src8  = (const FxU8*)texData;
+  
+  for (; t <= maxT; t++) {
+    LINEAR_WRITE_BEGIN(1, kLinearWriteTex, 
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);
+    LINEAR_WRITE_SET_8(tex_address, (const FxU32)*(const FxU8*)src8);
+    LINEAR_WRITE_END();
+    
+    src8 += 1;
+    tex_address += TEX_ROW_ADDR_INCR(1);
+  }
+#undef FN_NAME
+}
+
+void FX_CSTYLE
+_grTexDownload_Default_8_2(struct GrGC_s* gc, const FxU32 tmuBaseAddr,
+                           const FxU32 maxS, const FxU32 minT, const FxU32 maxT,
+                           void* texData)
+{
+#define FN_NAME "_grTexDownload_Default_8_2"
+  FxU32 
+    t = minT,
+    tex_address = tmuBaseAddr + TEX_ROW_ADDR_INCR(t);
+  const FxU8
+    *src8  = (const FxU8*)texData;
+  
+  for (; t <= maxT; t++) {
+    LINEAR_WRITE_BEGIN(1, kLinearWriteTex, 
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);
+    LINEAR_WRITE_SET_8(tex_address, (const FxU32)*(const FxU16*)src8);
+    LINEAR_WRITE_END();
+    
+    src8 += 2;
+    tex_address += TEX_ROW_ADDR_INCR(1);
+  }
+#undef FN_NAME
+}
+
+void FX_CSTYLE
+_grTexDownload_Default_8_4(struct GrGC_s* gc, const FxU32 tmuBaseAddr,
+			   const FxU32 maxS, const FxU32 minT, const FxU32 maxT,
+                           void* texData)
+{
+#define FN_NAME "_grTexDownload_Default_8_4"
+  FxU32 
+    t = minT,
+    tex_address = tmuBaseAddr + TEX_ROW_ADDR_INCR(t);
+  const FxU8
+    *src8  = (const FxU8*)texData;
+  
+  for (; t <= maxT; t++) {
+    LINEAR_WRITE_BEGIN(1, kLinearWriteTex, 
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);
+    LINEAR_WRITE_SET_8(tex_address, *(const FxU32*)src8);
+    LINEAR_WRITE_END();
+    
+    src8 += 4;
+    tex_address += TEX_ROW_ADDR_INCR(1);
+  }
+#undef FN_NAME
+}
+
+void FX_CSTYLE
+_grTexDownload_Default_8_WideS(struct GrGC_s* gc, const FxU32 tmuBaseAddr,
+			       const FxU32 maxS, const FxU32 minT, const FxU32 maxT,
+			       void* texData)
+{
+#define FN_NAME "_grTexDownload_Default_8_WideS"
+  FxU32 
+    t = minT,
+    tex_address;
+  const FxU8
+    *src8  = (const FxU8*)texData;
+  
+  for (; t <= maxT; t++) {
+    tex_address = tmuBaseAddr + TEX_ROW_ADDR_INCR(t);
+    
+    LINEAR_WRITE_BEGIN(maxS, kLinearWriteTex,
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);
+    {
+      FxU32 s;
+      
+      for (s = 0; s < maxS; s += 2) {
+        const FxU32 t0 = *(const FxU32*)(src8   );
+        const FxU32 t1 = *(const FxU32*)(src8 + sizeof(FxU32));
+        
+        LINEAR_WRITE_SET_8(tex_address                , t0);
+        LINEAR_WRITE_SET_8(tex_address + sizeof(FxU32), t1);
+        
+        src8 += 8;
+        tex_address += (sizeof(FxU32) << 1);
+      }
+    }
+    LINEAR_WRITE_END();
+  }
+#undef FN_NAME
+}
+
+extern void FX_CSTYLE
+_grTexDownload_Default_16_1(struct GrGC_s* gc, const FxU32 tmuBaseAddr,
+			    const FxU32 maxS, const FxU32 minT, const FxU32 maxT,
+                            void* texData)
+{
+#define FN_NAME "_grTexDownload_Default_16_1"
+  FxU32 
+    t = minT,
+    tex_address = tmuBaseAddr + TEX_ROW_ADDR_INCR(t);
+  const FxU16
+    *src16 = (const FxU16*)texData;
+
+  for (; t <= maxT; t++) {
+    LINEAR_WRITE_BEGIN(1, kLinearWriteTex,
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);
+    LINEAR_WRITE_SET_16(tex_address, (const FxU32)*(const FxU16*)src16);
+    LINEAR_WRITE_END();
+    
+    src16 += 1;
+    tex_address += TEX_ROW_ADDR_INCR(1);
+  }
+#undef FN_NAME
+}
+
+extern void FX_CSTYLE
+_grTexDownload_Default_16_2(struct GrGC_s* gc, const FxU32 tmuBaseAddr,
+			    const FxU32 maxS, const FxU32 minT, const FxU32 maxT,
+                            void* texData)
+{
+#define FN_NAME "_grTexDownload_Default_16_2"
+  FxU32 
+    t = minT,
+    tex_address = tmuBaseAddr + TEX_ROW_ADDR_INCR(t);
+  const FxU16
+    *src16 = (const FxU16*)texData;
+
+  for (; t <= maxT; t++) {
+    LINEAR_WRITE_BEGIN(1, kLinearWriteTex,
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);
+    LINEAR_WRITE_SET_16(tex_address, *(const FxU32*)src16);
+    LINEAR_WRITE_END();
+    
+    src16 += 2;
+    tex_address += TEX_ROW_ADDR_INCR(1);
+  }
+#undef FN_NAME
+}
+
+extern void FX_CSTYLE
+_grTexDownload_Default_16_WideS(struct GrGC_s* gc, const FxU32 tmuBaseAddr,
+				const FxU32 maxS, const FxU32 minT, const FxU32 maxT,
+				void* texData)
+{
+#define FN_NAME "_grTexDownload_Default_16_WideS"
+  FxU32 
+    t = minT,
+    tex_address;
+  const FxU16
+    *src16 = (const FxU16*)texData;
+  
+  for (; t <= maxT; t++) {
+    tex_address = tmuBaseAddr + TEX_ROW_ADDR_INCR(t);
+    
+    /* Loop unrolled to process 2 dwords per iteration */            
+    LINEAR_WRITE_BEGIN(maxS, kLinearWriteTex,
+                       (FxU32)tex_address - (FxU32)gc->tex_ptr,
+                       0x00UL, 0x00UL);
+    {
+      FxU32 s;
+      
+      for (s = 0; s < maxS; s += 2) {
+        const FxU32 t0 = *(const FxU32*)(src16   );
+        const FxU32 t1 = *(const FxU32*)(src16 + 2);
+        
+        GDBG_INFO(195, "s = %d, t= %d, address = 0x%x\n",
+                  s, t, (FxU32) tex_address - (FxU32) gc->tex_ptr + 0x200000);
+        LINEAR_WRITE_SET_16(tex_address    , t0);
+        LINEAR_WRITE_SET_16(tex_address + 4, t1);
+        
+        tex_address += 8;
+        src16 += 4;
+      }
+    }
+    LINEAR_WRITE_END();
+  }
+#undef FN_NAME
+}

glide2x/cvg/glide/tests/cmp.bat

@@ -0,0 +1,65 @@
+@echo off
+REM
+REM if FX_GLIDE_TEST_SRCIMG is not initiated, the default directory is
+REM \3dfx\devel\sst1\glide\images
+REM if FX_GLIDE_TEST_DSTIMG is not initiated, the default directory is
+REM \3dfx\devel\sst1\glide\images
+REM if FX_GLIDE_TEST_DIFFIMG is not initiated, the default directory is
+REM \3dfx\devel\sst1\glide\images
+REM
+if [%FX_GLIDE_TEST_DIFFIMG%]==[] goto Default1
+
+goto Output1
+
+:Default1
+set FX_GLIDE_TEST_DIFFIMG=%BUILD_ROOT_SST1%\glide\images
+
+:Output1
+set ddir=%FX_GLIDE_TEST_DIFFIMG%
+
+if [%FX_GLIDE_TEST_SRCIMG%]==[] goto Default2
+
+goto Output2
+
+:Default2
+set FX_GLIDE_TEST_SRCIMG=%BUILD_ROOT_SST1%\glide\images
+
+:Output2
+set sdir=%FX_GLIDE_TEST_SRCIMG%
+
+if [%FX_GLIDE_TEST_DSTIMG%]==[] goto Default3
+
+goto Output3
+
+:Default3
+set FX_GLIDE_TEST_DSTIMG=%BUILD_ROOT_SST1%\glide\images
+
+:Output3
+set tdir=%FX_GLIDE_TEST_DSTIMG%
+
+@echo on
+isub -v %sdir%\test00.vgm %tdir%\test00.tst %ddir%\test00.tga
+isub -v %sdir%\test01.vgm %tdir%\test01.tst %ddir%\test01.tga
+isub -v %sdir%\test02.vgm %tdir%\test02.tst %ddir%\test02.tga
+isub -v %sdir%\test03.vgm %tdir%\test03.tst %ddir%\test03.tga
+isub -v %sdir%\test04.vgm %tdir%\test04.tst %ddir%\test04.tga
+isub -v %sdir%\test05.vgm %tdir%\test05.tst %ddir%\test05.tga
+isub -v %sdir%\test06.vgm %tdir%\test06.tst %ddir%\test06.tga
+isub -v %sdir%\test07.vgm %tdir%\test07.tst %ddir%\test07.tga
+isub -v %sdir%\test08.vgm %tdir%\test08.tst %ddir%\test08.tga
+isub -v %sdir%\test09_0.vgm %tdir%\test09_0.tst %ddir%\test09_0.tga
+isub -v %sdir%\test09_1.vgm %tdir%\test09_1.tst %ddir%\test09_1.tga
+isub -v %sdir%\test10_0.vgm %tdir%\test10_0.tst %ddir%\test10_0.tga
+isub -v %sdir%\test10_1.vgm %tdir%\test10_1.tst %ddir%\test10_1.tga
+isub -v %sdir%\test13.vgm %tdir%\test13.tst %ddir%\test13.tga
+isub -v %sdir%\test16.vgm %tdir%\test16.tst %ddir%\test16.tga
+isub -v %sdir%\test17_0.vgm %tdir%\test17_0.tst %ddir%\test17_0.tga
+isub -v %sdir%\test17_1.vgm %tdir%\test17_1.tst %ddir%\test17_1.tga
+isub -v %sdir%\test17_2.vgm %tdir%\test17_2.tst %ddir%\test17_2.tga
+isub -v %sdir%\test17_3.vgm %tdir%\test17_3.tst %ddir%\test17_3.tga
+isub -v %sdir%\test17_4.vgm %tdir%\test17_4.tst %ddir%\test17_4.tga
+isub -v %sdir%\test18.vgm %tdir%\test18.tst %ddir%\test18.tga
+isub -v %sdir%\test19_0.vgm %tdir%\test19_0.tst %ddir%\test19_0.tga
+isub -v %sdir%\test19_1.vgm %tdir%\test19_1.tst %ddir%\test19_1.tga
+isub -v %sdir%\test19_2.vgm %tdir%\test19_2.tst %ddir%\test19_2.tga
+isub -v %sdir%\test19_3.vgm %tdir%\test19_3.tst %ddir%\test19_3.tga

glide2x/cvg/glide/tests/display.c

@@ -0,0 +1,441 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#ifndef __linux__
+#include <conio.h>
+#endif
+#include <assert.h>
+#include <string.h>
+
+#include <glide.h>
+#include "tlib.h"
+
+typedef struct {
+  FxU32 signature;
+  FxU16 width;
+  FxU16 height;
+  FxU8  depth;
+  FxU8  type;
+  void  *data;
+} LFB_Img;
+
+GrHwConfiguration hwconfig;
+static char version[80];
+
+static const char name[]    = "display";
+static const char purpose[] = "display a 16 bit frame buffer (565 format) dump out";
+static const char usage[]   = "-n <frames> -r <res> -s srcimage -t testimage";
+
+static const char *sourceFormatString[] = {
+    "GR_LFB_SRC_FMT_565       ",
+    "GR_LFB_SRC_FMT_555       ",
+    "GR_LFB_SRC_FMT_1555      ",
+    "INVALID FORMAT           ",
+    "GR_LFB_SRC_FMT_888       ",
+    "GR_LFB_SRC_FMT_8888      ",
+    "INVALID FORMAT           ",
+    "INVALID FORMAT           ",
+    "INVALID FORMAT           ",
+    "INVALID FORMAT           ",
+    "INVALID FORMAT           ",
+    "INVALID FORMAT           ",
+    "GR_LFB_SRC_FMT_565_DEPTH ",
+    "GR_LFB_SRC_FMT_555_DEPTH ",
+    "GR_LFB_SRC_FMT_1555_DEPTH",
+    "GR_LFB_SRC_FMT_ZA16      "
+};
+
+static void imageConvert( void *dst,
+                          void *src,
+                          GrLfbSrcFmt_t format,
+                          FxU32 *bpp );
+
+int main( int argc, char **argv)
+{
+    char match; 
+    char **remArgs;
+    int  rv;
+
+    GrScreenResolution_t resolution = GR_RESOLUTION_640x480;
+    float                scrWidth   = 640.0f;
+    float                scrHeight  = 480.0f;
+    int frames                      = -1;
+    char srcfname[80], dstfname[80];
+    FILE *fp;
+    void *mem;
+    FxU32 filesize;
+    LFB_Img src, dst, diff;
+    FxBool txtdisplay = FXTRUE;
+
+    void *image = NULL;
+    FxU32 bpp;
+
+    GrLfbSrcFmt_t sourceFormat;
+
+    static FxU32 imageWidth;
+    static FxU32 imageHeight;
+
+    srcfname[0] = 0;
+    dstfname[0] = 0;
+
+    /* Process Command Line Arguments */
+    while( (rv = tlGetOpt( argc, argv, "nrst", &match, &remArgs )) ) {
+        if ( rv == -1 ) {
+            printf( "Unrecognized command line argument\n" );
+            printf( "%s %s\n", name, usage );
+            printf( "Available resolutions:\n%s\n",
+                    tlGetResolutionList() );
+	    exit(1);
+        }
+        switch( match ) {
+        case 'n':
+            frames = atoi( remArgs[0] );
+            break;
+        case 'r':
+            resolution = tlGetResolutionConstant( remArgs[0], 
+                                                  &scrWidth, 
+                                                  &scrHeight );
+            break;
+        case 's':
+            strcpy(srcfname, remArgs[0]);
+            break;
+        case 't':
+            strcpy(dstfname, remArgs[0]);
+            break;
+        }
+    }
+
+
+    tlSetScreen( scrWidth, scrHeight );
+
+    grGlideGetVersion( version );
+
+    printf( "%s:\n%s\n", name, purpose );
+    printf( "%s\n", version );
+    printf( "Resolution: %s\n", tlGetResolutionString( resolution ) );
+    if ( frames == -1 ) {
+        printf( "Press A Key To Begin Test.\n" );
+        tlGetCH();
+    }
+    
+    /* Initialize Glide */
+    grGlideInit();
+    assert( grSstQueryHardware( &hwconfig ) );
+    grSstSelect( 0 );
+    assert( grSstWinOpen( 0,
+                      resolution,
+                      GR_REFRESH_60Hz,
+                      GR_COLORFORMAT_ABGR,
+                      GR_ORIGIN_UPPER_LEFT,
+                      2, 1 ) );
+    
+    tlConSet( 0.0f, 0.0f, 1.0f, 1.0f, 
+              60, 30, 0xffffff );
+
+    /* Set up Render State - disable dithering */
+    grDitherMode( GR_DITHER_DISABLE );
+
+    /* Load src image from disk */
+
+    if (srcfname[0]) {
+      fp = fopen(srcfname, "rb");
+      if (fp == NULL)
+	srcfname[0] = 0;
+      else {
+	fseek(fp, 0, SEEK_END);
+	filesize = ftell(fp);
+	rewind(fp);
+
+	/* readng the LFB file header */
+	fread(&src.signature, 4, 1, fp);
+	if (src.signature != IMAGE_SRLE) {
+	  printf("%s file type incorrect\n", srcfname);
+	  exit(1);
+	}
+	fread(&src.width, 2, 1, fp);
+	fread(&src.height, 2, 1, fp);
+	fread(&src.depth, 1, 1, fp);
+	fread(&src.type, 1, 1, fp);
+
+	mem = malloc(filesize-6);
+	src.data = malloc(src.width*src.height*(src.depth/8));
+	/* reading the LFB data */
+	fread(mem, filesize-6, 1, fp);
+	/* Simple16BitDecode(src.width,src.height,mem,src.data); */
+	SimpleRleDecode(src.width,src.height,2,mem,src.data);
+
+	free(mem);
+	fclose(fp);
+      }
+    }
+
+    /* Load dst image from disk */
+
+    if (dstfname[0]) {
+      fp = fopen(dstfname, "rb");
+      if (fp == NULL)
+	dstfname[0] = 0;
+      else {
+	fseek(fp, 0, SEEK_END);
+	filesize = ftell(fp);
+	rewind(fp);
+
+	/* readng the LFB file header */
+	fread(&dst.signature, 4, 1, fp);
+	if (dst.signature != IMAGE_SRLE) {
+	  printf("%s file type incorrect\n", dstfname);
+	  exit(1);
+	}
+	fread(&dst.width, 2, 1, fp);
+	fread(&dst.height, 2, 1, fp);
+	fread(&dst.depth, 1, 1, fp);
+	fread(&dst.type, 1, 1, fp);
+
+	mem = malloc(filesize-6);
+	dst.data = malloc(dst.width*dst.height*(dst.depth/8));
+	/* reading the LFB data */
+	fread(mem, filesize-6, 1, fp);
+	SimpleRleDecode(dst.width,dst.height,2,mem,dst.data);
+
+	free(mem);
+	fclose(fp);
+      }
+    }
+
+    diff.width = 0;
+    diff.height = 0;
+	
+    if (srcfname[0] && dstfname[0]) {
+      FxU32 count;
+      FxU16 *srcptr, *dstptr, *difptr;
+
+      if ((src.width == dst.width) && (src.height == dst.height)) {
+	diff.width = src.width;
+	diff.height = src.height;
+	diff.depth = src.depth;
+	diff.data = malloc(diff.width*diff.height*(diff.depth/8));
+	count = diff.width * diff.height;
+	srcptr = src.data;
+	dstptr = dst.data;
+	difptr = diff.data;
+	while (count) {
+	  if (*srcptr == *dstptr)
+	    *difptr = 0;
+	  else
+	    *difptr = *srcptr ^ *dstptr;
+	  srcptr++; dstptr++; difptr++;
+	  count--;
+	}
+      }
+    }
+
+
+
+    sourceFormat = GR_LFB_SRC_FMT_565;
+
+    if (srcfname[0]) {
+      imageWidth  = src.width;
+      imageHeight = src.height;
+      image       = calloc( imageWidth * imageHeight, sizeof( FxU32 ) );
+      imageConvert( image, src.data, sourceFormat, &bpp );
+    }
+    else if (dstfname[0]) {
+      imageWidth  = dst.width;
+      imageHeight = dst.height;
+      image       = calloc( imageWidth * imageHeight, sizeof( FxU32 ) );
+      imageConvert( image, dst.data, sourceFormat, &bpp );
+    }
+    if ( ( imageWidth > (FxU32)scrWidth ) ||
+         ( imageHeight > (FxU32)scrHeight ) )
+	exit(1);
+
+    while( frames-- ) {
+
+      grBufferClear( 0x00303030, 0, 0 );
+
+
+      grLfbWriteRegion( GR_BUFFER_BACKBUFFER,
+			0, 0, sourceFormat,
+			imageWidth, imageHeight, imageWidth*bpp, image );
+      tlConClear();
+      if (txtdisplay) {
+	tlConOutput("1   - lfb source format (%s)\n",
+		    sourceFormatString[sourceFormat] );
+	if (srcfname[0])
+	  tlConOutput("s   - display source image\n");
+	else
+	  tlConOutput("no source image\n");
+	if (dstfname[0])
+	  tlConOutput("t   - display test image\n");
+	else
+	  tlConOutput("no test image\n");
+	if (srcfname[0] && dstfname[0]) {
+	  if (diff.width > 0)
+	    tlConOutput("d   - display differences\n");
+	  else
+	    tlConOutput("source and test image size are not the same\n");
+	}
+
+	tlConOutput("space - turn on/off text display\n");
+
+	tlConOutput("any other key to quit\n\n");
+      }
+
+      /* 
+      tlConOutput( "1   - lfb source format (%s)\n"
+		   "+/- - change width of source image copied\n"
+		   "s   - display source image\n"
+		   "t   - display test image\n"
+		   "d   - display differences\n"
+		   "any other key to quit\n\n",
+		   sourceFormatString[sourceFormat] );
+      */
+
+      tlConRender();
+      grBufferSwap( 1 );
+      while( tlKbHit() ) {
+	switch( tlGetCH() ) {
+	case '1':
+	  break;
+	case '+':
+	  break;
+	case '-':
+	  break;
+	case 's':
+	  if (srcfname[0]) {
+	    imageWidth  = src.width;
+	    imageHeight = src.height;
+	    imageConvert( image, src.data, sourceFormat, &bpp );
+	  }
+	  break;
+	case 't':
+	  if (dstfname[0]) {
+	    imageWidth  = dst.width;
+	    imageHeight = dst.height;
+	    imageConvert( image, dst.data, sourceFormat, &bpp );
+	  }
+	  break;
+	case 'd':
+	  if (diff.width > 0)
+	    imageConvert( image, diff.data, sourceFormat, &bpp );
+	  break;
+	case ' ':
+	  txtdisplay = !txtdisplay;
+	  break;
+	default:
+	  frames = 0;
+	  break;
+	}
+      }
+    }
+    
+
+    grGlideShutdown();
+    if (srcfname[0])
+      free(src.data);
+    if (dstfname[0])
+      free(dst.data);
+    if (srcfname[0] && dstfname[0])
+      free(diff.data);
+    free(image);
+    exit(0);
+}
+
+
+static void imageConvert( void *dst, void *src, 
+                          GrLfbSrcFmt_t format, FxU32 *bpp ) {
+    FxU32 x, y; 
+    FxU32 *longData   = dst;
+    FxU16 *shortData  = dst;
+    FxU16 *srcData    = src;
+    FxU32 longStride  = 640;
+    FxU32 shortStride = 640;
+    FxU32 longColor;
+    FxU16 shortColor;
+
+    switch( format ) {
+    case GR_LFB_SRC_FMT_565:
+    case GR_LFB_SRC_FMT_555:
+    case GR_LFB_SRC_FMT_1555:
+        *bpp = 2;
+        break;
+    case GR_LFB_SRC_FMT_888:
+    case GR_LFB_SRC_FMT_8888:
+    case GR_LFB_SRC_FMT_565_DEPTH:
+    case GR_LFB_SRC_FMT_1555_DEPTH:
+    case GR_LFB_SRC_FMT_555_DEPTH:
+        *bpp = 4;
+        break;
+    }
+
+    for( y = 0; y < 480; y++ ) {
+        for( x = 0; x < 640; x++ ) {
+            switch( format ) {
+            case GR_LFB_SRC_FMT_565:
+                shortData[y*shortStride+x] = 
+                    srcData[y*640+x];
+                break;
+            case GR_LFB_SRC_FMT_555:
+            case GR_LFB_SRC_FMT_1555:
+                shortColor = srcData[y*640+x];
+                shortColor = 
+                    (0x8000) | // Alpha == 1
+                    ((shortColor >> 1) & 0x7C00) |
+                    ((shortColor >> 1) & 0x03E0) |
+                    ((shortColor) & 0x1f);
+                shortData[y*shortStride+x] =
+                    shortColor;
+                break;
+            case GR_LFB_SRC_FMT_888:
+            case GR_LFB_SRC_FMT_8888:
+                longColor = srcData[y*640+x];
+                longColor =
+                    (0xFF000000)                 |
+                    ((longColor<<8)&0x00F80000)  |
+                    ((longColor<<5)&0x0000FC00)  |
+                    ((longColor<<3)&0x000000F8);
+                longData[y*longStride+x] = longColor;
+                break;
+            case GR_LFB_SRC_FMT_565_DEPTH:
+                longColor = srcData[y*640+x];
+                longData[y*longStride+x] = longColor;
+                break;
+            case GR_LFB_SRC_FMT_1555_DEPTH:
+            case GR_LFB_SRC_FMT_555_DEPTH:
+                longColor = srcData[y*640+x];
+                longColor =
+                    (0x00008000)                  |
+                    ((longColor>>1) & 0x00007C00) |
+                    ((longColor>>1) & 0x000003E0) |
+                    ((longColor   ) & 0x0000001f);
+                longData[y*longStride+x] = longColor;
+            default:
+                break;
+            }
+        }
+    }
+    return;
+}
+
+
+

glide2x/cvg/glide/tests/h3dtst01.c

@@ -0,0 +1,200 @@
+/*
+** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
+** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
+** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
+** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
+** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
+** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
+** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
+** FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
+** 
+** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
+** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
+** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
+** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
+** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
+** THE UNITED STATES.  
+** 
+** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
+**
+*/
+
+#ifndef __linux__
+#include <windows.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#ifndef __linux__
+#include <conio.h>
+#endif
+#include <assert.h>
+
+#include <time.h>
+
+#include <glide.h>
+#include "tlib.h"
+
+#define H3D_RED 0x000000ff
+#define H3D_GREEN 0x0000ff00
+#define H3D_YELLOW 0x0000ffff
+#define H3D_BLACK 0x00000000
+
+GrHwConfiguration hwconfig;
+static char version[80];
+static int scrWidth, scrHeight, boxwidth, boxheight, origin;
+
+void init(void) {
+  GrState state;
+  
+  grGlideGetState(&state);
+  
+  grColorCombine( GR_COMBINE_FUNCTION_LOCAL, GR_COMBINE_FACTOR_NONE,
+    GR_COMBINE_LOCAL_CONSTANT, GR_COMBINE_OTHER_NONE, FXFALSE );
+  
+  grColorMask(FXTRUE,0); // make sure color buf is on
+  grDepthBufferFunction( GR_CMP_ALWAYS );
+  
+  grBufferClear( 0x00, 0, GR_ZDEPTHVALUE_FARTHEST );
+  
+  grGlideSetState(&state);
+}
+
+void drawBoxes(int w, int h, unsigned long c1, unsigned long c2) {
+  GrVertex p1,p2,p3,p4;
+
+  p1.x = 1.f;
+  p1.y = 1.f;
+  p2.x = (float)w;
+  p2.y = 1.f;
+  p3.x = 1.f;
+  p3.y = (float)h;
+  p4.x = (float)w;
+  p4.y = (float)h;
+  grConstantColorValue( c1 );
+  grDrawLine(&p1,&p2);
+  grDrawLine(&p1,&p3);
+  grDrawLine(&p3,&p4);
+  grDrawLine(&p2,&p4);
+  grDrawLine(&p1,&p4);
+  grDrawLine(&p2,&p3);
+  
+  p1.y += origin;
+  p2.y += origin;
+  p3.y += origin;
+  p4.y += origin;
+  grConstantColorValue( c2 );
+  grDrawLine(&p1,&p2);
+  grDrawLine(&p1,&p3);
+  grDrawLine(&p3,&p4);
+  grDrawLine(&p2,&p4);
+  grDrawLine(&p1,&p4);
+  grDrawLine(&p2,&p3);  
+}
+
+int main( int argc, char **argv) {
+  int     keepworking = 1;
+  GrScreenResolution_t resolution;
+  int     redraw = 1;
+  int     redrawPattern = 0;
+  int     patternon = 1;
+
+#ifdef H3D
+  resolution = GR_RESOLUTION_640x240_AUTOFLIPPED;
+#else
+  resolution = GR_RESOLUTION_640x480;
+#endif
+  
+  /* Initialize Glide */
+  grGlideInit();
+  grGlideGetVersion( version );
+  grSstQueryHardware( &hwconfig );
+  grSstSelect( 0 );
+  if ( grSstWinOpen( 0, resolution, GR_REFRESH_60Hz, GR_COLORFORMAT_ABGR, GR_ORIGIN_UPPER_LEFT, 2,1 ) ) {
+    grColorCombine( GR_COMBINE_FUNCTION_LOCAL,
+      GR_COMBINE_FACTOR_NONE,
+      GR_COMBINE_LOCAL_CONSTANT,
+      GR_COMBINE_OTHER_NONE,
+      FXFALSE );
+    
+  } else {
+    keepworking = 0;
+  }
+  grRenderBuffer( GR_BUFFER_BACKBUFFER );
+
+  scrWidth	= grSstScreenWidth();
+  scrHeight	= grSstScreenHeight();  
+  origin    = (int)scrHeight-240; // top of right eye buffer
+  boxheight = (int)240;
+  boxwidth  = (int)scrWidth;
+
+  while( keepworking) {
+    
+    while( tlKbHit() ) {
+      switch( tlGetCH() ) {
+      case '=' :
+      case '+' :
+        //  move origin of 2nd page causes both box heights to resize
+        if (origin < (scrHeight-1.f)) 
+        {
+          origin++;
+          boxheight--;
+          redraw = 1;
+        }
+        break;
+      case '_':
+      case '-' :
+        if (origin > ((scrHeight/2)-1.f)) 
+        {
+          origin--;
+          boxheight++;
+          redraw = 1;
+        }
+        break;
+      case '.' :
+        //  move origin of 2nd page causes both box heights to resize
+        if (origin < (scrHeight-1.f)) 
+        {
+          origin++;
+          boxheight--;
+        }
+        break;
+      case ',' :
+        if (origin > ((scrHeight/2)-1.f)) 
+        {
+          origin--;
+          boxheight++;
+        }
+        break;
+      case 'p':
+        patternon ^= 1;
+        redrawPattern = 1;
+        break;
+      case 'q':
+        keepworking = 0;
+        break;
+      case ' ':
+        redraw = 1;
+      default:
+        break;
+      }
+    }
+    
+    if (redraw) {
+      grColorMask(FXTRUE,0);
+      grBufferClear( 0, 0, 0 );
+      drawBoxes(boxwidth,boxheight,H3D_RED,H3D_YELLOW);
+      redraw = 0;
+      grBufferSwap( 1 );
+    } else if (redrawPattern) {
+#ifdef H3D
+      grHints(GR_HINT_H3DENABLE,patternon);   // set the pattern on or off
+#endif
+      redrawPattern = 0;
+    }
+  }  
+  grGlideShutdown();
+  exit(0);
+}
+