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8b047bb95cffa8dfbefd598cc4fcf953eeceb310
glide/glide3x/sst1/glide3/src/gglide.c
sezero 8b047bb95c splash and shameless plug updates: 
removed experimental splash stuff from h3/h5 for non-windows.
if either of GLIDE_SPLASH or GLIDE_PLUG aren't defined their
respective data are completey excluded from the binary image,
and their respective functions aren't called at all.
2018-08-05 12:02:59 +03:00

2260 lines
73 KiB
C
Raw Blame History

/*
** 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 UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF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 1.1.2.6 2006/01/16 21:22:45 jwrdegoede
** Fix gcc 4.1 new type-punned ptr breaks antialias. warnings
**
** Revision 1.1.2.5 2005/05/25 08:51:52 jwrdegoede
** Add #ifdef GL_X86 around x86 specific code
**
** Revision 1.1.2.4 2004/10/04 09:35:59 dborca
** second cut at Glide3x for Voodoo1/Rush (massive update):
** delayed validation, vertex snapping, clip coordinates, strip/fan_continue, bugfixes.
** and probably a bunch of other crap that I forgot
**
** Revision 1.1.2.2 2004/03/08 07:42:21 dborca
** Voodoo Rush fixes
**
** Revision 1.1.2.1 2004/03/02 07:55:30 dborca
** Bastardised Glide3x for SST1
**
** Revision 1.1.1.1 1999/12/07 21:48:52 joseph
** Initial checkin into SourceForge.
**
**
** 78 1/21/98 2:25p Peter
** fixed assertion muckage
*
* 77 1/12/98 10:25p Dow
* H3D Stereo Support
*
* 76 1/07/98 9:58a Jdt
* Include Z in datalist for GR_COMBINE_LOCAL_DEPTH...Fixes Bug 1084
*
* 75 12/19/97 8:09a Peter
* fog table propogation
*
* 74 9/24/97 7:02p Atai
* 1. use initStatus() instead of grSstStatus() in grBufferNumPending
* 2. add one p6 nudge code in grBufferSwap()
*
* 73 9/07/97 12:14p Pgj
* fix bug 660
*
* 72 9/05/97 4:46p Peter
* fixed fifo silliness, sorry
*
* 71 8/19/97 8:55p Peter
* lots of stuff, hopefully no muckage
*
* 70 8/17/97 10:04p Pgj
* Fix bug 735
*
* 69 8/01/97 11:48a Dow
* Added a size check for debugging
*
* 68 7/20/97 2:05p Dow
* Hopefully worked around VSYNC bug
*
* 67 7/18/97 6:48p Jdt
* grGlideShutdown now unsets _GlideRoot.initialized, further open/close
* symmetry fix
*
* 66 7/09/97 10:18a Dow
* Further Nudge Of Love adjustments
*
* 65 7/04/97 12:08p Dow
* Separated SST96 & SST1 versions of grRebuildDataList, fixed chip field
* muckage
*
* 64 6/30/97 6:43p Dow
* Added more blank lines
*
* 63 6/29/97 11:47p Jdt
* Adjustments for triangle optimization
*
* 62 6/29/97 1:58p Dow
* Fixed busted ifdef
*
* 61 6/26/97 3:09p Dow
* protected P6 stuff
*
* 60 6/20/97 5:52p Dow
* Changes to make chip field work
*
* 59 6/19/97 7:35p Dow
* More P6 Stuff
*
* 58 6/18/97 6:08p Dow
* Fixed bogus call to gdbg_error
*
* 57 6/18/97 5:54p Dow
* P6 adjustments
*
* 56 6/12/97 5:19p Pgj
* Fix bug 578
*
* 55 5/27/97 11:37p Pgj
* Fix for Bug report 545
*
* 54 5/22/97 2:18p Pgj
* maxx --> maxy
*
* 53 5/11/97 11:27p Pgj
* bug report 1152
*
* 52 5/04/97 12:47p Dow
* Moved ClipWindow sanity check to internal routine as grSstControl needs
* it.
*
* 51 5/02/97 2:09p Pgj
* grClipWindow sanity checks coords (intersect w/screen rect)
*
* 50 3/24/97 2:00p Dow
* Fixed some chip field problems
*
* 49 3/22/97 7:04p Dow
* Fixed chip field
*
* 48 3/21/97 12:58p Dow
* Fixed error for SST1
*
* 47 3/21/97 12:42p Dow
* Made STWHints not send the Bend Over Baby Packet to FBI Jr.
*
* 46 3/19/97 10:42p Dow
* Dither subtraction sense, windowsInit
*
* 45 3/18/97 9:08p Dow
* Added FX_GLIDE_NO_DITHER_SUB environment variable
*
* 44 3/17/97 6:26a Jdt
* Re-worked grGlideShutdown()
*
* 43 3/07/97 2:51p Jdt
* Fix for SST96 register offsets.
*
* 42 3/07/97 2:29p Dow
* Maybe fixed lines
*
* 41 3/05/97 1:07p Dow
* Clipping and origin changes for SST98
*
* 40 3/04/97 9:08p Dow
* Neutered multiplatform multiheaded monster
*
* 39 3/01/97 2:48p Dow
* Moved buffer swap count increment so that it works for both VG & VR
*
* 38 2/26/97 11:56a Jdt
* Updated lfb api, fixed swapping
*
* 37 2/18/97 9:51a Jdt
* Removed a bunch of warnings, no functional changes.
*
* 36 2/12/97 10:39p Hanson
*
* 35 2/12/97 2:09p Hanson
* Hopefully removed the rest of my muckage.
*
* 34 1/14/97 10:45a Dow
* Added check for pending swaps to grBufferSwap for VG96
* Modified grBufferNumPending to work with VG96
*
* 33 12/23/96 1:37p Dow
* chagnes for multiplatform glide
*
* 32 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.
*
* 31 11/18/96 1:37a Tarolli
* fixed grAlphaBlendFunction warning bug
*
* 29 11/15/96 3:40p Jdt
* Fixed SST-96 build.
*
* 28 11/15/96 3:24p Tarolli
* renamed version.h to rcver.h , added some alpha blend function
* checking
**
*/
#include <string.h>
#include <3dfx.h>
#include <glidesys.h>
#define FX_DLL_DEFINITION
#include <fxdll.h>
#include <glide.h>
#include "fxglide.h"
#include "fxinline.h"
#if ( GLIDE_PLATFORM & GLIDE_HW_SST96 )
#include <init.h>
#endif
#include "rcver.h"
static char glideIdent[] = "@#%" VERSIONSTR ;
/*---------------------------------------------------------------------------
** grAlphaBlendFunction
**
** GMT: BUG if grColorMask() turns off alphaplanes then destination alpha
** blending wont work!
*/
GR_STATE_ENTRY(grAlphaBlendFunction, void, ( GrAlphaBlendFnc_t rgb_sf, GrAlphaBlendFnc_t rgb_df, GrAlphaBlendFnc_t alpha_sf, GrAlphaBlendFnc_t alpha_df ))
{
FxU32 alphamode;
GR_BEGIN_NOFIFOCHECK("grAlphaBlendFunction",85);
GDBG_INFO_MORE((gc->myLevel,"(%d,%d,%d,%d)\n",rgb_sf,rgb_df,alpha_sf,alpha_df));
/* Watcom warning suppressor */
glideIdent[0] = glideIdent[0];
alphamode = gc->state.fbi_config.alphaMode;
if (alpha_sf != GR_BLEND_ONE && alpha_sf != GR_BLEND_ZERO) {
// GR_CHECK_W(myName, 1, "unsupported alpha source blend function");
alpha_sf = GR_BLEND_ONE;
}
if (alpha_df != GR_BLEND_ONE && alpha_df != GR_BLEND_ZERO) {
// GR_CHECK_W(myName, 1, "unsupported alpha destination blend function");
alpha_df = GR_BLEND_ZERO;
}
if ( rgb_sf == GR_BLEND_ONE && rgb_df == GR_BLEND_ZERO &&
alpha_sf == GR_BLEND_ONE && alpha_df == GR_BLEND_ZERO )
alphamode &= ~SST_ENALPHABLEND;
else
alphamode |= SST_ENALPHABLEND;
alphamode &= ~( SST_RGBSRCFACT | SST_RGBDSTFACT | SST_ASRCFACT | SST_ADSTFACT );
alphamode |= ( ( ( FxU32 ) rgb_sf ) << SST_RGBSRCFACT_SHIFT ) |
( ( ( FxU32 ) rgb_df ) << SST_RGBDSTFACT_SHIFT ) |
( ( ( FxU32 ) alpha_sf ) << SST_ASRCFACT_SHIFT ) |
( ( ( FxU32 ) alpha_df ) << SST_ADSTFACT_SHIFT );
gc->state.fbi_config.alphaMode = alphamode;
} /* grAlphaBlendFunction */
/*---------------------------------------------------------------------------
** grAlphaCombine
*/
GR_STATE_ENTRY(grAlphaCombine, void, (GrCombineFunction_t function, GrCombineFactor_t factor, GrCombineLocal_t local, GrCombineOther_t other, FxBool invert ))
{
FxU32 fbzColorPath;
FxU32 oldTextureEnabled;
GR_BEGIN_NOFIFOCHECK("grAlphaCombine",85);
GDBG_INFO_MORE((gc->myLevel,"(%d,%d,%d,%d,%d)\n",function,factor,local,other,invert));
GR_CHECK_W(myName,
function < GR_COMBINE_FUNCTION_ZERO ||
function > GR_COMBINE_FUNCTION_SCALE_MINUS_LOCAL_ADD_LOCAL_ALPHA,
"unsupported alpha combine function");
GR_CHECK_W(myName,
(factor & 0x7) < GR_COMBINE_FACTOR_ZERO ||
(factor & 0x7) > GR_COMBINE_FACTOR_TEXTURE_ALPHA ||
factor > GR_COMBINE_FACTOR_ONE_MINUS_TEXTURE_ALPHA,
"unsupported alpha combine scale factor");
GR_CHECK_W(myName,
local < GR_COMBINE_LOCAL_ITERATED || local > GR_COMBINE_LOCAL_DEPTH,
"unsupported alpha combine local color");
GR_CHECK_W(myName,
other < GR_COMBINE_OTHER_ITERATED || other > GR_COMBINE_OTHER_CONSTANT,
"unsupported alpha combine other color");
fbzColorPath = gc->state.fbi_config.fbzColorPath;
oldTextureEnabled = fbzColorPath & SST_ENTEXTUREMAP;
fbzColorPath &= ~( SST_ENTEXTUREMAP |
SST_ASELECT |
SST_ALOCALSELECT |
SST_CCA_ZERO_OTHER |
SST_CCA_SUB_CLOCAL |
SST_CCA_MSELECT |
SST_CCA_REVERSE_BLEND |
SST_CCA_ADD_CLOCAL |
SST_CCA_ADD_ALOCAL |
SST_CCA_INVERT_OUTPUT );
/* setup reverse blending first, then strip off the the high bit */
if ( (factor & 0x8) == 0 )
fbzColorPath |= SST_CCA_REVERSE_BLEND;
factor &= 0x7;
/* NOTE: we use boolean OR instead of logical to avoid branches */
gc->state.ac_requires_texture = ( factor == GR_COMBINE_FACTOR_TEXTURE_ALPHA ) |
( other == GR_COMBINE_OTHER_TEXTURE );
gc->state.ac_requires_it_alpha = ( local == GR_COMBINE_LOCAL_ITERATED ) |
( other == GR_COMBINE_OTHER_ITERATED );
/* setup scale factor bits */
fbzColorPath |= factor << SST_CCA_MSELECT_SHIFT;
/* setup local color bits */
fbzColorPath |= local << SST_ALOCALSELECT_SHIFT;
/* setup other color bits */
fbzColorPath |= other << SST_ASELECT_SHIFT;
/* setup invert output bits */
if ( invert )
fbzColorPath |= SST_CCA_INVERT_OUTPUT;
/* setup core color combine unit bits */
switch ( function ) {
case GR_COMBINE_FUNCTION_ZERO:
fbzColorPath |= SST_CCA_ZERO_OTHER;
break;
case GR_COMBINE_FUNCTION_LOCAL:
case GR_COMBINE_FUNCTION_LOCAL_ALPHA:
fbzColorPath |= SST_CCA_ZERO_OTHER | SST_CCA_ADD_ALOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER:
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL:
case GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL_ALPHA:
fbzColorPath |= SST_CCA_ADD_ALOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL:
fbzColorPath |= SST_CCA_SUB_CLOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL_ADD_LOCAL:
case GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL_ADD_LOCAL_ALPHA:
fbzColorPath |= SST_CCA_SUB_CLOCAL | SST_CCA_ADD_ALOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_MINUS_LOCAL_ADD_LOCAL:
case GR_COMBINE_FUNCTION_SCALE_MINUS_LOCAL_ADD_LOCAL_ALPHA:
fbzColorPath |= SST_CCA_ZERO_OTHER | SST_CCA_SUB_CLOCAL | SST_CCA_ADD_ALOCAL;
break;
}
/* if either color or alpha combine requires texture then enable it */
if ( gc->state.cc_requires_texture || gc->state.ac_requires_texture )
fbzColorPath |= SST_ENTEXTUREMAP;
/* transition into/out of texturing ... add nopCMD */
if(oldTextureEnabled != (fbzColorPath & SST_ENTEXTUREMAP)) {
GR_SET_EXPECTED_SIZE(sizeof(FxU32));
P6FENCE_CMD( GR_SET(hw->nopCMD,0) );
GR_CHECK_SIZE();
}
gc->state.fbi_config.fbzColorPath = fbzColorPath;
} /* grAlphaCombine */
/*---------------------------------------------------------------------------
** grAlphaControlsITRGBLighting
**
** Determines whether the LSB of alpha controls what lighting is used--
** Specifically whether grConstantColorValu or the interated RGB values are used
** during TEXTURE_TIMES_itrgb & TEXTURE_TIMES_ITRGB_DELTA0 color combine modes.
**
*/
GR_STATE_ENTRY(grAlphaControlsITRGBLighting, void, (FxBool enable))
{
FxU32 fbzColorPath;
GR_BEGIN_NOFIFOCHECK("grAlphaControlsITRGBLighting",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",enable));
fbzColorPath = gc->state.fbi_config.fbzColorPath;
if ( enable ) {
fbzColorPath |= SST_LOCALSELECT_OVERRIDE_WITH_ATEX;
} else {
fbzColorPath &= ~SST_LOCALSELECT_OVERRIDE_WITH_ATEX;
}
gc->state.fbi_config.fbzColorPath = fbzColorPath;
} /* grAlphaControlsITRGBLighting() */
/*---------------------------------------------------------------------------
** grAlphaTestFunction
*/
GR_STATE_ENTRY(grAlphaTestFunction, void, ( GrCmpFnc_t fnc ))
{
FxU32 alphamode;
GR_BEGIN_NOFIFOCHECK("grAlphaTestFunction",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",fnc));
alphamode = gc->state.fbi_config.alphaMode;
alphamode &= ~(SST_ALPHAFUNC | SST_ENALPHAFUNC);
if ( fnc != GR_CMP_ALWAYS )
alphamode |= ( ( fnc << SST_ALPHAFUNC_SHIFT ) | SST_ENALPHAFUNC );
gc->state.fbi_config.alphaMode = alphamode;
} /* grAlphaTestFunction */
/*---------------------------------------------------------------------------
** grAlphaTestReferenceValue
*/
GR_STATE_ENTRY(grAlphaTestReferenceValue, void, ( GrAlpha_t value ))
{
FxU32 alphamode;
GR_BEGIN_NOFIFOCHECK("grAlphaTestReferenceValue",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",value));
alphamode = gc->state.fbi_config.alphaMode;
alphamode &= ~SST_ALPHAREF;
alphamode |= ( ( ( FxU32 ) value ) << SST_ALPHAREF_SHIFT );
gc->state.fbi_config.alphaMode = alphamode;
} /* grAlphaTestReferenceValue */
/*---------------------------------------------------------------------------
** grBufferClear
*/
GR_ENTRY(grBufferClear, void, ( GrColor_t color, GrAlpha_t alpha, FxU32 depth ))
{
GrColor_t oldc1;
FxU32 oldzacolor, zacolor;
GR_DCL_GC;
GR_DCL_HW;
if (gc->state.invalid)
_grValidateState();
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
GR_SET_EXPECTED_SIZE(44);
#else
GR_SET_EXPECTED_SIZE(24);
#endif
oldc1 = gc->state.fbi_config.color1;
zacolor = oldzacolor = gc->state.fbi_config.zaColor;
/*
** Setup source registers
*/
if ( gc->state.fbi_config.fbzMode & SST_RGBWRMASK )
{
_grSwizzleColor( &color );
GR_SET( hw->c1, color );
}
if ( ( gc->state.fbi_config.fbzMode & ( SST_ENALPHABUFFER | SST_ZAWRMASK ) ) == ( SST_ENALPHABUFFER | SST_ZAWRMASK ) )
{
zacolor &= ~SST_ZACOLOR_ALPHA;
zacolor |= ( ( ( FxU32 ) alpha ) << SST_ZACOLOR_ALPHA_SHIFT );
GR_SET( hw->zaColor, zacolor );
}
if ( ( gc->state.fbi_config.fbzMode & ( SST_ENDEPTHBUFFER | SST_ZAWRMASK ) ) == ( SST_ENDEPTHBUFFER | SST_ZAWRMASK ) ) {
zacolor &= ~SST_ZACOLOR_DEPTH;
zacolor |= ( ( ( FxU32 ) depth ) << SST_ZACOLOR_DEPTH_SHIFT );
GR_SET( hw->zaColor, zacolor );
}
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
/*
** On SST96, it's faster if clear the buffers separately if we need
** to clear both of them.
*/
if (
(gc->state.fbi_config.fbzMode & (SST_RGBWRMASK | SST_ZAWRMASK))
== (SST_RGBWRMASK | SST_ZAWRMASK)
) {
FxU32 fbzMode;
/* Disable ZA write and fill */
fbzMode = gc->state.fbi_config.fbzMode & ~SST_ZAWRMASK;
GR_SET(hw->fbzMode, fbzMode);
GR_SET(hw->fastfillCMD,1);
/* Disable RGB write mask and fill */
fbzMode = gc->state.fbi_config.fbzMode & ~SST_RGBWRMASK;
GR_SET(hw->fbzMode, fbzMode);
GR_SET(hw->fastfillCMD,1);
/* Restore fbzMode to previous state */
GR_SET(hw->fbzMode, gc->state.fbi_config.fbzMode);
} else
#endif
/*
** Execute the FASTFILL command
*/
P6FENCE_CMD( GR_SET(hw->fastfillCMD,1) );
/*
** Restore C1 and ZACOLOR
*/
GR_SET( hw->c1, oldc1 );
GR_SET( hw->zaColor, oldzacolor );
GR_CHECK_SIZE_SLOPPY();
} /* grBufferClear */
/*---------------------------------------------------------------------------
** grBufferSwap
**
** NOTE: This routine should be COMPLETELY device-independant,
** but it isn't right now because we need to move all the
** code for the splash screen into the init library.
*/
GR_ENTRY(grBufferSwap, void, ( FxU32 swapInterval ))
{
#define FN_NAME "grBuferSwap"
int vSync;
#if ( GLIDE_PLATFORM & GLIDE_HW_SST96 )
#ifdef GDBG_INFO_ON
int
nTries;
#endif
int pending;
#endif
GR_BEGIN_NOFIFOCHECK(FN_NAME,80);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",swapInterval));
#if ( GLIDE_PLATFORM & GLIDE_HW_SST96 )
FXUNUSED( vSync );
#ifdef GDBG_INFO_ON
nTries = 0;
#endif
/*
* To speed up glquake, we take the following steps
* 1. remove the status checking
* 2. modify grBufferNumPending so it does not need to do P6 nudge code
* 3. add one p6 nudge code
* Here is step 3.
* If we introduce new bugs in 2.43, please undo the above steps
*/
P6_NUDGE_OF_LOVE;
pending = _grBufferNumPending();
if (pending < 1 && gc->grSstRez != GR_RESOLUTION_NONE) {
GR_SET_EXPECTED_SIZE((9 << 2));
GR_SET(hw->fbzMode, (gc->state.fbi_config.fbzMode & (~(SST_RGBWRMASK | SST_ZAWRMASK))));
GR_SETF(hw->FvA.x, 0.f);
GR_SETF(hw->FvA.y, 0.f);
GR_SETF(hw->FvB.x, 640.f);
GR_SETF(hw->FvB.y, 0.f);
GR_SETF(hw->FvC.x, 640.f);
GR_SETF(hw->FvC.y, 480.f);
GR_SETF(hw->FtriangleCMD, 1.f);
GR_SET(hw->fbzMode, gc->state.fbi_config.fbzMode);
GR_CHECK_SIZE();
}
while (pending > _GlideRoot.environment.swapPendingCount) {
#ifdef GDBG_INFO_ON
GDBG_INFO((86, "%s: Checked pending %d times\n", FN_NAME,
++nTries));
if (nTries > 10000)
GDBG_ERROR(FN_NAME , "Exiting after %d tries for pending\n", nTries);
#endif /* GDBG_INFO_ON */
pending = _grBufferNumPending();
}
#ifdef GLIDE_PLUG
/* optionally display the 3Dfx powerfield logo overlay */
if (_GlideRoot.environment.shamelessPlug)
_grShamelessPlug();
#endif
initSwapBuffers( swapInterval );
#ifdef H3D
if (GR_RESOLUTION_IS_AUTOFLIPPED(gc->grSstRez)) {
extern void pageflippingSwapWait(void);
do {
pending = grBufferNumPending();
} while (pending > 0);
pageflippingSwapWait();
}
#endif
P6_NUDGE_OF_LOVE;
#elif ( GLIDE_PLATFORM & GLIDE_HW_SST1 )
#ifdef GLIDE_PLUG
/* optionally display the 3Dfx powerfield logo overlay */
if (_GlideRoot.environment.shamelessPlug)
_grShamelessPlug();
#endif
/* check for environmental override */
if (_GlideRoot.environment.swapInterval >= 0) {
swapInterval = _GlideRoot.environment.swapInterval;
}
GR_CHECK_F(myName,
( swapInterval > 255 ) || ( swapInterval < 0 ),
"swap_interval out of range");
/* wait until there's 6 or fewer buffer swaps pending */
/* the hardware counter is only 3 bits so we don't want it to overflow */
/* also the latency gets too long */
while (_grBufferNumPending() > _GlideRoot.environment.swapPendingCount);
/* if the interval is non-zero turn on VSYNC waiting */
vSync = swapInterval > 0 ? 1 : 0;
if ((swapInterval > 0) &&
(_GlideRoot.hwConfig.SSTs[_GlideRoot.current_sst].sstBoard.VoodooConfig.fbiRev == 1))
{
/* Adjust for .6 micron FBI */
if (swapInterval == 2)
swapInterval = 3;
else if (swapInterval != 1)
swapInterval <<= 1;
} else {
if (swapInterval > 0) swapInterval--;
}
/* NOTE: we need a PCI read before and after the swap command */
/* but since we already called grBufferNumPending() we've done a read */
GR_SET_EXPECTED_SIZE(4);
P6FENCE_CMD( GR_SET(hw->swapbufferCMD, (swapInterval<<1) | vSync) );
#ifdef GLIDE_DEBUG
if (_GlideRoot.environment.snapshot > 0) {
static char saveDBG[GDBG_MAX_LEVELS];
int i;
/* turn off tracing after frame 0 and the snapshot frame */
if (_GlideRoot.stats.bufferSwaps == 1 ||
_GlideRoot.stats.bufferSwaps == _GlideRoot.environment.snapshot+1)
{
for (i=1; i<GDBG_MAX_LEVELS; i++) {
saveDBG[i] = (char)GDBG_GET_DEBUGLEVEL(i);
GDBG_SET_DEBUGLEVEL(i,0);
}
}
/* turn on tracing after the snapshot frame */
if (_GlideRoot.stats.bufferSwaps == _GlideRoot.environment.snapshot) {
for (i=1; i<GDBG_MAX_LEVELS; i++) {
GDBG_SET_DEBUGLEVEL(i,saveDBG[i]);
}
}
}
#endif /* GLIDE_DEBUG */
_grSstStatus(); /* special bug workaround */
#else
# error "Need to implement swap."
#endif /* GLIDE_PLATFORM & GLIDE_HW_SST1 */
_GlideRoot.stats.bufferSwaps++;
GR_END();
#undef FN_NAME
} /* grBufferSwap */
/*---------------------------------------------------------------------------
** grBufferNumPending
*/
int FX_CSTYLE
_grBufferNumPending(void)
{
int
pend; /* Num Swaps pending */
/*
* To speed up glquake, we take the following steps
* 1. remove the status checking
* 2. modify grBufferNumPending so it does not need to do P6 nudge code
* 3. add one p6 nudge code
* Here is step 2. Goto grBufferSwap() in gglide.c to continue.
*/
FxU32
status = initStatus();
#if (GLIDE_PLATFORM & GLIDE_HW_SST1)
pend = (status & SST_SWAPBUFPENDING) >> SST_SWAPBUFPENDING_SHIFT;
#elif (GLIDE_PLATFORM & GLIDE_HW_SST96)
#define SST96_SWAPPEND_SHIFT 0x4
#define SST96_SWAPPEND_BITS (0x7 << SST96_SWAPPEND_SHIFT)
pend = ((status & SST96_SWAPPEND_BITS) >> SST96_SWAPPEND_SHIFT);
#else
# error "Implement BufferNumPending for this hardware"
#endif
GDBG_INFO((86,"grBufferNumPending() => %d\n",pend));
return pend;
} /* grBufferNumPending */
/*---------------------------------------------------------------------------
** grChromakeyMode
*/
GR_STATE_ENTRY(grChromakeyMode, void, ( GrChromakeyMode_t mode ))
{
FxU32 fbzMode;
GR_BEGIN_NOFIFOCHECK("grChromakeyMode",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",mode));
fbzMode = gc->state.fbi_config.fbzMode;
if ( mode == GR_CHROMAKEY_ENABLE )
fbzMode |= SST_ENCHROMAKEY;
else
fbzMode &= ~SST_ENCHROMAKEY;
gc->state.fbi_config.fbzMode = fbzMode;
} /* grChromaKeyMode */
/*---------------------------------------------------------------------------
** grChromaRange
*/
GR_STATE_ENTRY(grChromaRange, void, (GrColor_t min, GrColor_t max, GrChromaRangeMode_t mode))
{
GR_BEGIN_NOFIFOCHECK("grChromakeyValue", 85);
GDBG_INFO_MORE((gc->myLevel, "(0x%x)\n", min));
GDBG_INFO_MORE((gc->myLevel, "(0x%x)\n", max));
GDBG_INFO_MORE((gc->myLevel, "(0x%x)\n", mode));
_grSwizzleColor(&min);
_grSwizzleColor(&max);
max = max & 0x00ffffff;
#if (GLIDE_PLATFORM & GLIDE_HW_CVG)
if (gc->state.stateArgs.grChromakeyModeArgs.mode == GR_CHROMAKEY_ENABLE)
max |= SST_ENCHROMARANGE;
#endif
mode = mode << 24;
gc->state.fbi_config.chromaKey = min;
gc->state.fbi_config.chromaRange = max | mode;
} /* grChromaRange */
/*---------------------------------------------------------------------------
** _grClipNormalizeAndGenerateRegValues
**
** This routine normalizes clip variables to screen_width and
** screen_height, then generates the values to be written to the
** registers clipLeftRight and clipBottomTop. The reason for its
** existence is that BOTH grClipWindow() and grSstControl() need to
** write these registers.
*/
void
_grClipNormalizeAndGenerateRegValues(FxU32 minx, FxU32 miny, FxU32 maxx,
FxU32 maxy, FxU32 *clipLeftRight,
FxU32 *clipBottomTop)
{
#define FN_NAME "_grClipNormalizeAndGenerateRegValues"
GR_DCL_GC;
GDBG_INFO((41, "%s: minx = %d, maxx = %d, miny = %d, maxy = %d\n",
FN_NAME, minx, maxx, miny, maxy));
/* don't allow bogus clip coords!!! */
if (maxx > gc->state.screen_width) maxx = gc->state.screen_width;
if (maxy > gc->state.screen_height) maxy = gc->state.screen_height;
if (minx > maxx) minx = maxx;
if (miny > maxy) miny = maxy;
GDBG_INFO((41, "%s: normalized minx = %d, maxx = %d, miny = %d, maxy = %d\n",
FN_NAME, minx, maxx, miny, maxy));
*clipLeftRight =
( minx << SST_CLIPLEFT_SHIFT ) | ( maxx << SST_CLIPRIGHT_SHIFT );
*clipBottomTop =
( miny << SST_CLIPBOTTOM_SHIFT ) | ( maxy << SST_CLIPTOP_SHIFT );
GDBG_INFO((41, "%s: clipLeftRight = 0x%x, clipBottomTop = 0x%x\n",
FN_NAME, clipLeftRight, clipBottomTop));
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
/* Enable clipping */
*clipLeftRight |= 0x80000000;
#endif
#undef FN_NAME
} /* _grClipNormalizeAndGenerateRegValues */
/*---------------------------------------------------------------------------
** grClipWindow
*/
GR_STATE_ENTRY(grClipWindow, void, ( FxU32 minx, FxU32 miny, FxU32 maxx,
FxU32 maxy ))
{
FxU32
clipLeftRight, /* SST Clipping Registers */
clipBottomTop;
GR_BEGIN_NOFIFOCHECK("grClipWindow",41);
GDBG_INFO_MORE((gc->myLevel,"(%d,%d %d,%d)\n",minx,miny,maxx,maxy));
_grClipNormalizeAndGenerateRegValues(minx, miny, maxx, maxy,
&clipLeftRight, &clipBottomTop);
gc->state.fbi_config.clipLeftRight = clipLeftRight;
gc->state.fbi_config.clipBottomTop = clipBottomTop;
gc->state.clipwindowf_xmin = ( float ) minx;
gc->state.clipwindowf_xmax = ( float ) maxx;
gc->state.clipwindowf_ymin = ( float ) miny;
gc->state.clipwindowf_ymax = ( float ) maxy;
} /* grClipWindow */
/*---------------------------------------------------------------------------
** grColorCombine
*/
GR_STATE_ENTRY(grColorCombine, void, ( GrCombineFunction_t function, GrCombineFactor_t factor, GrCombineLocal_t local, GrCombineOther_t other, FxBool invert ))
{
FxU32 fbzColorPath;
FxU32 oldTextureEnabled;
GR_BEGIN_NOFIFOCHECK("grColorCombine",85);
GDBG_INFO_MORE((gc->myLevel,"(%d,%d,%d,%d,%d)\n",function,factor,local,other,invert));
GR_CHECK_W( myName,
function < GR_COMBINE_FUNCTION_ZERO ||
function > GR_COMBINE_FUNCTION_SCALE_MINUS_LOCAL_ADD_LOCAL_ALPHA,
"unsupported color combine function" );
GR_CHECK_W( myName,
(factor & 0x7) < GR_COMBINE_FACTOR_ZERO ||
(factor & 0x7) > GR_COMBINE_FACTOR_TEXTURE_ALPHA ||
factor > GR_COMBINE_FACTOR_ONE_MINUS_TEXTURE_ALPHA,
"unsupported color combine scale factor");
GR_CHECK_W( myName,
local < GR_COMBINE_LOCAL_ITERATED || local > GR_COMBINE_LOCAL_DEPTH,
"unsupported color combine local color");
GR_CHECK_W( myName,
other < GR_COMBINE_OTHER_ITERATED || other > GR_COMBINE_OTHER_CONSTANT,
"unsupported color combine other color");
fbzColorPath = gc->state.fbi_config.fbzColorPath;
oldTextureEnabled = fbzColorPath & SST_ENTEXTUREMAP;
fbzColorPath &= ~( SST_ENTEXTUREMAP |
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 );
/* this is bogus, it should be done once, somewhere. */
fbzColorPath |= SST_PARMADJUST;
/* setup reverse blending first, then strip off the the high bit */
if ( (factor & 0x8) == 0 )
fbzColorPath |= SST_CC_REVERSE_BLEND;
factor &= 0x7;
/* NOTE: we use boolean OR instead of logical to avoid branches */
gc->state.cc_requires_texture = ( factor == GR_COMBINE_FACTOR_TEXTURE_ALPHA ) |
( other == GR_COMBINE_OTHER_TEXTURE );
gc->state.cc_requires_it_rgb = ( local == GR_COMBINE_LOCAL_ITERATED ) |
( other == GR_COMBINE_OTHER_ITERATED );
/* setup scale factor bits */
fbzColorPath |= factor << SST_CC_MSELECT_SHIFT;
/* setup local color bits */
fbzColorPath |= local << SST_LOCALSELECT_SHIFT;
/* setup other color bits */
fbzColorPath |= other << SST_RGBSELECT_SHIFT;
/* setup invert output bits */
if ( invert )
fbzColorPath |= SST_CC_INVERT_OUTPUT;
/* setup core color combine unit bits */
switch ( function )
{
case GR_COMBINE_FUNCTION_ZERO:
fbzColorPath |= SST_CC_ZERO_OTHER;
break;
case GR_COMBINE_FUNCTION_LOCAL:
fbzColorPath |= SST_CC_ZERO_OTHER | SST_CC_ADD_CLOCAL;
break;
case GR_COMBINE_FUNCTION_LOCAL_ALPHA:
fbzColorPath |= SST_CC_ZERO_OTHER | SST_CC_ADD_ALOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER:
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL:
fbzColorPath |= SST_CC_ADD_CLOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL_ALPHA:
fbzColorPath |= SST_CC_ADD_ALOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL:
fbzColorPath |= SST_CC_SUB_CLOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL_ADD_LOCAL:
fbzColorPath |= SST_CC_SUB_CLOCAL | SST_CC_ADD_CLOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_OTHER_MINUS_LOCAL_ADD_LOCAL_ALPHA:
fbzColorPath |= SST_CC_SUB_CLOCAL | SST_CC_ADD_ALOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_MINUS_LOCAL_ADD_LOCAL:
fbzColorPath |= SST_CC_ZERO_OTHER | SST_CC_SUB_CLOCAL | SST_CC_ADD_CLOCAL;
break;
case GR_COMBINE_FUNCTION_SCALE_MINUS_LOCAL_ADD_LOCAL_ALPHA:
fbzColorPath |= SST_CC_ZERO_OTHER | SST_CC_SUB_CLOCAL | SST_CC_ADD_ALOCAL;
break;
}
/* if either color or alpha combine requires texture then enable it */
if ( gc->state.cc_requires_texture || gc->state.ac_requires_texture )
fbzColorPath |= SST_ENTEXTUREMAP;
/* if we transition into/out of texturing ... add nopCMD */
if(oldTextureEnabled != (fbzColorPath & SST_ENTEXTUREMAP)) {
GR_SET_EXPECTED_SIZE(sizeof(FxU32));
P6FENCE_CMD( GR_SET(hw->nopCMD,0) );
GR_CHECK_SIZE();
}
gc->state.fbi_config.fbzColorPath = fbzColorPath;
} /* grColorCombine */
/*---------------------------------------------------------------------------
** grColorMask
*/
GR_STATE_ENTRY(grColorMask, void, ( FxBool rgb, FxBool alpha ))
{
FxU32 fbzMode;
GR_BEGIN_NOFIFOCHECK("grColorMask",85);
GDBG_INFO_MORE((gc->myLevel,"(0x%x,0x%x)\n",rgb,alpha));
fbzMode = gc->state.fbi_config.fbzMode;
GR_CHECK_W( myName,
( fbzMode & SST_ENDEPTHBUFFER ) && alpha,
"alpha writes enabled even though depth buffering" );
GR_CHECK_W( myName,
(gc->state.num_buffers == 3) && alpha,
"alpha writes enabled while triple buffering" );
if ( rgb )
fbzMode |= SST_RGBWRMASK;
else
fbzMode &= ~SST_RGBWRMASK;
/* GMT: BUG leave SST_ENALPHABUFFER on if dest. alpha being used */
/* Don't do anything if depth buffering on */
/* XXX Should check for triple buffering too */
if ( !(fbzMode & SST_ENDEPTHBUFFER) && (gc->state.num_buffers != 3) ) {
if ( alpha )
fbzMode |= SST_ENALPHABUFFER | SST_ZAWRMASK;
else
fbzMode &= ~(SST_ENALPHABUFFER | SST_ZAWRMASK);
}
gc->state.fbi_config.fbzMode = fbzMode;
} /* grColorMask */
/*---------------------------------------------------------------------------
** grConstantColorValue
*/
GR_STATE_ENTRY(grConstantColorValue, void, ( GrColor_t color ))
{
GR_BEGIN_NOFIFOCHECK("grConstantColorValue",85);
GDBG_INFO_MORE((gc->myLevel,"(0x%x)\n",color));
_grSwizzleColor( &color );
gc->state.fbi_config.color0 = color;
gc->state.fbi_config.color1 = color;
} /* grConstanColorValue */
/*---------------------------------------------------------------------------
** grConstantColorValue4
** GMT: obsolete routine
** GMT: send values to hardware immediately
*/
GR_STATE_ENTRY(grConstantColorValue4, void, ( float a, float r, float g, float b ))
{
GR_BEGIN("grConstantColorValue4",85,12);
GDBG_INFO_MORE((gc->myLevel,"(%d,%d,%d,%d)\n",a,r,g,b));
gc->state.a = a;
gc->state.r = r;
gc->state.g = g;
gc->state.b = b;
if ( gc->state.cc_delta0mode ) {
GR_SETF( hw->Fr, r );
GR_SETF( hw->Fg, g );
GR_SETF( hw->Fb, b );
}
GR_END_SLOPPY();
} /* grConstantColorValue4 */
/*---------------------------------------------------------------------------
** grCullMode
**
** GMT: warning - gaa.c has the guts of this in-line
*/
GR_ENTRY(grCullMode, void, ( GrCullMode_t mode ))
{
GR_BEGIN_NOFIFOCHECK("grCullMode",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",mode));
gc->state.cull_mode = mode;
GR_END();
} /* grCullMode */
/*---------------------------------------------------------------------------
** grDepthBiasLevel
**
** Sets the depth bias level.
*/
GR_STATE_ENTRY(grDepthBiasLevel, void, ( FxI32 level ))
{
FxU32 zacolor;
GR_BEGIN_NOFIFOCHECK("grDepthBiasLevel",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",level));
zacolor = gc->state.fbi_config.zaColor;
zacolor = ( zacolor & ~SST_ZACOLOR_DEPTH ) | ((FxI16)level & SST_ZACOLOR_DEPTH);
gc->state.fbi_config.zaColor = zacolor;
} /* grDepthBiasLevel */
/*---------------------------------------------------------------------------
** grDepthBufferFunction
*/
GR_STATE_ENTRY(grDepthBufferFunction, void, ( GrCmpFnc_t fnc ))
{
FxU32 fbzMode;
GR_BEGIN_NOFIFOCHECK("grDepthBufferFunction",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",fnc));
fbzMode = gc->state.fbi_config.fbzMode;
fbzMode &= ~SST_ZFUNC;
fbzMode |= ( fnc << SST_ZFUNC_SHIFT );
gc->state.fbi_config.fbzMode = fbzMode;
} /* grDepthBufferFunction */
/*---------------------------------------------------------------------------
** grDepthBufferMode
*/
GR_STATE_ENTRY(grDepthBufferMode, void, ( GrDepthBufferMode_t mode ))
{
FxU32 fbzMode;
GR_BEGIN_NOFIFOCHECK("grDepthBufferMode",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",mode));
/*
** depth buffering cannot be enabled at the same time as triple buffering
*/
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
GR_CHECK_F( myName,
mode != GR_DEPTHBUFFER_DISABLE && gc->state.num_buffers == 3 && gc->fbuf_size <= 2,
"cannot enable depth buffer when triple buffering" );
#endif
/*
** depth buffering cannot be enabled on systems running at:
** 800x600 w/ 2MB
** 640x480 w/ 1MB
*/
GR_CHECK_F( myName,
mode != GR_DEPTHBUFFER_DISABLE && !_grCanSupportDepthBuffer(),
"cannot enable depthbuffer with configuration" );
/* turn off all the bits and then turn them back on selectively */
fbzMode = gc->state.fbi_config.fbzMode;
fbzMode &= ~(SST_ENDEPTHBUFFER | SST_WBUFFER | SST_ENZBIAS | SST_ZCOMPARE_TO_ZACOLOR);
switch (mode) {
case GR_DEPTHBUFFER_DISABLE:
break;
case GR_DEPTHBUFFER_ZBUFFER:
fbzMode |= SST_ENDEPTHBUFFER | SST_ENZBIAS;
break;
case GR_DEPTHBUFFER_WBUFFER:
fbzMode |= SST_ENDEPTHBUFFER | SST_WBUFFER | SST_ENZBIAS;
break;
case GR_DEPTHBUFFER_ZBUFFER_COMPARE_TO_BIAS:
fbzMode |= SST_ENDEPTHBUFFER | SST_ZCOMPARE_TO_ZACOLOR;
break;
case GR_DEPTHBUFFER_WBUFFER_COMPARE_TO_BIAS:
fbzMode |= SST_ENDEPTHBUFFER | SST_WBUFFER | SST_ZCOMPARE_TO_ZACOLOR;
break;
}
/*
** Update hardware and Glide state
*/
gc->state.fbi_config.fbzMode = fbzMode;
} /* grDepthBufferMode */
/*---------------------------------------------------------------------------
** grDepthMask
*/
GR_STATE_ENTRY(grDepthMask, void, ( FxBool enable ))
{
FxU32 fbzMode;
GR_BEGIN_NOFIFOCHECK("grDepthMask",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",enable));
fbzMode = gc->state.fbi_config.fbzMode;
GR_CHECK_F( myName,
enable && !_grCanSupportDepthBuffer(),
"called in a non-depthbufferable configuration" );
if ( enable )
fbzMode |= SST_ZAWRMASK;
else
fbzMode &= ~SST_ZAWRMASK;
gc->state.fbi_config.fbzMode = fbzMode;
} /* grDepthMask */
/*---------------------------------------------------------------------------
** grDisableAllEffects
*/
GR_ENTRY(grDisableAllEffects, void, ( void ))
{
GDBG_INFO((87,"grDisableAllEffects()\n"));
grAlphaBlendFunction( GR_BLEND_ONE, GR_BLEND_ZERO, GR_BLEND_ONE, GR_BLEND_ZERO );
grAlphaTestFunction( GR_CMP_ALWAYS );
grChromakeyMode( GR_CHROMAKEY_DISABLE );
grDepthBiasLevel( 0 );
grDepthBufferMode( GR_DEPTHBUFFER_DISABLE );
grFogMode( GR_FOG_DISABLE );
} /* grDisableAllEffects */
/*---------------------------------------------------------------------------
** grDitherMode
*/
GR_STATE_ENTRY(grDitherMode, void, ( GrDitherMode_t mode ))
{
FxU32 fbzMode;
GR_BEGIN_NOFIFOCHECK("grDitherMode",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",mode));
fbzMode = gc->state.fbi_config.fbzMode &
~( SST_ENDITHER | SST_DITHER2x2 | SST_ENDITHERSUBTRACT );
switch ( mode ) {
case GR_DITHER_DISABLE:
break;
case GR_DITHER_2x2:
fbzMode |= ( SST_ENDITHER | SST_DITHER2x2 );
break;
case GR_DITHER_4x4:
/* test per bug 660 */
if (_GlideRoot.environment.disableDitherSub == FXTRUE) {
fbzMode |= SST_ENDITHER;
} else {
fbzMode |= (SST_ENDITHER | SST_ENDITHERSUBTRACT);
}
break;
}
gc->state.fbi_config.fbzMode = fbzMode;
} /* grDitherMode */
/*---------------------------------------------------------------------------
** grFogMode
*/
GR_STATE_ENTRY(grFogMode, void, ( GrFogMode_t mode ))
{
FxU32 fogmode;
GR_BEGIN_NOFIFOCHECK("grFogMode",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",mode));
fogmode = gc->state.fbi_config.fogMode;
fogmode &= ~( SST_ENFOGGING | SST_FOGADD | SST_FOGMULT | SST_FOG_ALPHA | SST_FOG_Z | SST_FOG_CONSTANT );
switch ( mode & 0xFF ) { /* switch based on lower 8 bits */
case GR_FOG_DISABLE:
break;
case GR_FOG_WITH_ITERATED_ALPHA_EXT:
fogmode |= ( SST_ENFOGGING | SST_FOG_ALPHA );
break;
case GR_FOG_WITH_ITERATED_Z: /* Bug 735 */
fogmode |= ( SST_ENFOGGING | SST_FOG_Z );
break;
case GR_FOG_WITH_TABLE_ON_W:
fogmode |= ( SST_ENFOGGING );
}
if ( mode & GR_FOG_MULT2 ) fogmode |= SST_FOGMULT;
if ( mode & GR_FOG_ADD2 ) fogmode |= SST_FOGADD;
/*
** Update the hardware and Glide state
*/
gc->state.fbi_config.fogMode = fogmode;
} /* grFogMode */
/*---------------------------------------------------------------------------
** grFogColorValue
*/
GR_STATE_ENTRY(grFogColorValue, void, ( GrColor_t color ))
{
GR_BEGIN_NOFIFOCHECK("grFogColorValue",85);
GDBG_INFO_MORE((gc->myLevel,"(0x%x)\n",color));
_grSwizzleColor( &color );
gc->state.fbi_config.fogColor = color;
} /* grFogColorValue */
/*---------------------------------------------------------------------------
** grFogTable
*/
GR_ENTRY(grFogTable, void, ( const GrFog_t fogtable[kInternalFogTableEntryCount] ))
{
int i, iend = kInternalFogTableEntryCount / 2 - 1;
const GrFog_t *locTable = fogtable;
GR_BEGIN("grFogTable",85,kInternalFogTableEntryCount*2);
GDBG_INFO_MORE((gc->myLevel,"(0x%x)\n",fogtable));
GR_ASSERT(fogtable != NULL);
GR_ASSERT(kInternalFogTableEntryCount == 64);
for ( i = 0; i <= iend; i++ ) {
GrFog_t e0,e1,d0,d1;
e0 = locTable[0]; /* lower entry */
e1 = locTable[1]; /* upper entry */
d0 = (e1-e0)<<2; /* del0 in .2 format */
d1 = (i==iend) ? e1 : locTable[2]; /* don't access beyond end of table */
d1 = (d1-e1)<<2; /* del1 in .2 format */
GR_SET( hw->fogTable[i], (e1<<24) | (d1<<16) | (e0<<8) | d0);
locTable += 2;
}
GR_END();
} /* grFogTable */
/*-------------------------------------------------------------------
Function: grGlideShutdown
Date: 3/16
Implementor(s): dow, gmt, jdt
Library: Glide
Description:
Shutdown the Glide Library. Iterate through all hardware and
call grSstWinClose(). Call InitShutdown() which unmaps all
hardware from linear memory.
Arguments:
none
Return:
none
-------------------------------------------------------------------*/
GR_ENTRY(grGlideShutdown, void, ( void ))
{
_GlideRoot.windowsInit = FXFALSE;
if ( _GlideRoot.initialized ) {
{ /* GMT: reset the counter so we can proceed without assertions */
GR_DCL_GC;
gc->counter = gc->expected_counter = 0;
}
{
int i;
GR_BEGIN_NOFIFOCHECK("grGlideShutdown",80);
GDBG_INFO_MORE((gc->myLevel,"()\n"));
#if ( GLIDE_PLATFORM & GLIDE_SST_SIM )
{
extern void gsim_winclose( void );
gsim_winclose();
}
#endif
for( i = 0; i < _GlideRoot.hwConfig.num_sst; i++ ) {
grSstSelect( i );
grSstWinClose((GrContext_t)(_GlideRoot.GCs + i));
}
initClose();
_grDisplayStats();
gc->grSstRez = GR_RESOLUTION_NONE;
gc->grSstRefresh = GR_REFRESH_NONE;
_GlideRoot.initialized = FXFALSE;
GR_END();
}
}
} /* grGlideShutdown */
/*---------------------------------------------------------------------------
** grGlideSetState
*/
GR_ENTRY(grGlideSetState, void, ( const void *state ))
{
int tmu;
Sstregs *tmuregs;
GR_BEGIN("grGlideSetState",87,(1+13+7*gc->num_tmu)*4+(gc->num_tmu+1)*PACKER_WORKAROUND_SIZE);
GDBG_INFO_MORE((gc->myLevel,"(0x%x)\n",state));
GR_ASSERT(state != NULL);
/* if texture mapping changed then we need to issue a NOP command*/
if ( (gc->state.fbi_config.fbzColorPath ^ ((GrState *)state)->fbi_config.fbzColorPath) &
SST_ENTEXTUREMAP)
{
P6FENCE_CMD( GR_SET(hw->nopCMD,0) );
}
/* copy all the state */
gc->state = *((GrState *)state);
/* Update the hardware state from the saved state */
GR_SET( hw->fbzColorPath, gc->state.fbi_config.fbzColorPath );
GR_SET( hw->fogMode, gc->state.fbi_config.fogMode );
GR_SET( hw->alphaMode, gc->state.fbi_config.alphaMode );
GR_SET( hw->fbzMode, gc->state.fbi_config.fbzMode );
#if !(GLIDE_PLATFORM & GLIDE_HW_SST96)
GR_SET( hw->lfbMode, gc->state.fbi_config.lfbMode );
#endif
GR_SET( hw->clipLeftRight, gc->state.fbi_config.clipLeftRight );
GR_SET( hw->clipBottomTop, gc->state.fbi_config.clipBottomTop );
GR_SET( hw->fogColor, gc->state.fbi_config.fogColor );
GR_SET( hw->zaColor, gc->state.fbi_config.zaColor );
GR_SET( hw->chromaKey, gc->state.fbi_config.chromaKey );
GR_SET( hw->stipple, gc->state.fbi_config.stipple );
GR_SET( hw->c0, gc->state.fbi_config.color0 );
GR_SET( hw->c1, gc->state.fbi_config.color1 );
for ( tmu = 0; tmu < gc->num_tmu; tmu++ ) {
tmuregs = SST_TMU(hw,tmu);
PACKER_WORKAROUND;
GR_SET( tmuregs->textureMode, gc->state.tmu_config[tmu].textureMode );
GR_SET( tmuregs->tLOD, gc->state.tmu_config[tmu].tLOD );
GR_SET( tmuregs->tDetail, gc->state.tmu_config[tmu].tDetail );
GR_SET( tmuregs->texBaseAddr, gc->state.tmu_config[tmu].texBaseAddr );
GR_SET( tmuregs->texBaseAddr1, gc->state.tmu_config[tmu].texBaseAddr_1 );
GR_SET( tmuregs->texBaseAddr2, gc->state.tmu_config[tmu].texBaseAddr_2 );
GR_SET( tmuregs->texBaseAddr38, gc->state.tmu_config[tmu].texBaseAddr_3_8 );
}
PACKER_WORKAROUND;
/* NOTE: since glide state includes things like hints and
all cached variables like paramIndex we needn't recompute these,
BUT: we do need to rebuild stuff that depends on them!!! */
_grUpdateParamIndex();
GR_END_SLOPPY();
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
if (gc->state.fbi_config.fbzMode & SST_YORIGIN)
grSstOrigin(GR_ORIGIN_LOWER_LEFT);
else
grSstOrigin(GR_ORIGIN_UPPER_LEFT);
#endif
} /* grGlideSetState */
/*---------------------------------------------------------------------------
** grRenderBuffer
**
** Although SST1 supports triple buffering, it's a hack in the hardware,
** and the only drawbuffer modes supported by the fbzMode register are 0
** (back) and 1 (front)
*/
GR_STATE_ENTRY(grRenderBuffer, void, ( GrBuffer_t buffer ))
{
GR_BEGIN_NOFIFOCHECK("grRenderBuffer",85);
GDBG_INFO_MORE((gc->myLevel,"(%d)\n",buffer));
GR_CHECK_F( myName, buffer >= GR_BUFFER_AUXBUFFER, "invalid buffer" );
#if ( GLIDE_PLATFORM & GLIDE_HW_SST1 )
{
FxU32 fbzMode;
fbzMode = gc->state.fbi_config.fbzMode;
fbzMode &= ~( SST_DRAWBUFFER );
fbzMode |= buffer == GR_BUFFER_FRONTBUFFER ? SST_DRAWBUFFER_FRONT : SST_DRAWBUFFER_BACK;
gc->state.fbi_config.fbzMode = fbzMode;
}
#elif ( GLIDE_PLATFORM & GLIDE_HW_SST96 )
initRenderBuffer( buffer );
#else
# error "No renderbuffer implementation"
#endif
} /* grRenderBuffer */
GR_ENTRY(grCheckForRoom, void, (FxI32 n))
{
GR_DCL_GC;
GR_CHECK_FOR_ROOM(n);
}
/*---------------------------------------------------------------------------
** _grUpdateParamIndex
**
** Updates the paramIndex bits based on Glide state and the hints.
**
*/
GR_DDFUNC(_grUpdateParamIndex, void, ( void ))
{
GR_DCL_GC;
FxU32 paramIndex = 0;
FxU32 fbzColorPath = gc->state.fbi_config.fbzColorPath;
FxU32 fogMode = gc->state.fbi_config.fogMode;
FxU32 fbzMode = gc->state.fbi_config.fbzMode;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
FxU32 gwHeaderNum = 0;
/* Set up bits for vtx a,b,c x & y */
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] = GWH_VTX_BITS;
#endif
/*
** First, turn on every bit that we think we need. We can prune them
** back later.
*/
/* Turn on the texture bits based on what grTexCombine set */
if (fbzColorPath & SST_ENTEXTUREMAP) {
/* No matter what, we need oow from the main grvertex structure */
static FxU32 paramI_array[8] = {
STATE_REQUIRES_OOW_FBI,
STATE_REQUIRES_OOW_FBI | STATE_REQUIRES_W_TMU0 | STATE_REQUIRES_ST_TMU0,
STATE_REQUIRES_OOW_FBI | STATE_REQUIRES_W_TMU1 | STATE_REQUIRES_ST_TMU1,
STATE_REQUIRES_OOW_FBI | STATE_REQUIRES_W_TMU0 | STATE_REQUIRES_ST_TMU0 |
STATE_REQUIRES_W_TMU1 | STATE_REQUIRES_ST_TMU1,
STATE_REQUIRES_OOW_FBI | STATE_REQUIRES_W_TMU2 | STATE_REQUIRES_ST_TMU2,
STATE_REQUIRES_OOW_FBI | STATE_REQUIRES_W_TMU2 | STATE_REQUIRES_ST_TMU2 |
STATE_REQUIRES_W_TMU0 | STATE_REQUIRES_ST_TMU0,
STATE_REQUIRES_OOW_FBI | STATE_REQUIRES_W_TMU2 | STATE_REQUIRES_ST_TMU2 |
STATE_REQUIRES_W_TMU1 | STATE_REQUIRES_ST_TMU1,
STATE_REQUIRES_OOW_FBI | STATE_REQUIRES_W_TMU2 | STATE_REQUIRES_ST_TMU2 |
STATE_REQUIRES_W_TMU0 | STATE_REQUIRES_ST_TMU0 |
STATE_REQUIRES_W_TMU1 | STATE_REQUIRES_ST_TMU1
};
GR_ASSERT(gc->state.tmuMask < sizeof(paramI_array)/sizeof(paramI_array[0]));
paramIndex |= paramI_array[gc->state.tmuMask];
}
/* See if we need iterated RGB */
if ( gc->state.cc_requires_it_rgb && !gc->state.cc_delta0mode ) {
paramIndex |= STATE_REQUIRES_IT_DRGB;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= (GWH_RGB_BITS);
#endif
}
/* See if we need to iterate alpha based on the value of
ac_requires_it_alpha */
if (gc->state.ac_requires_it_alpha) {
paramIndex |= STATE_REQUIRES_IT_ALPHA;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_A_BITS;
#endif
}
/* See what fbzColorPath contributes - BUG 1084*/
if ( ( fbzColorPath & SST_ALOCALSELECT ) ==
( SST_ALOCAL_Z ) ) {
paramIndex |= STATE_REQUIRES_OOZ;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_Z_BITS;
#endif
}
/* See what fbzMode contributes */
if (fbzMode & SST_ENDEPTHBUFFER) {
if (fbzMode & SST_WBUFFER) {
paramIndex |= STATE_REQUIRES_OOW_FBI;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_W_BITS;
#endif
} else {
paramIndex |= STATE_REQUIRES_OOZ;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_Z_BITS;
#endif
}
}
/* See what fogMode contributes */
if (fogMode & SST_ENFOGGING) {
if (fogMode & SST_FOG_Z) {
paramIndex |= STATE_REQUIRES_OOZ;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_Z_BITS;
#endif
} else {
if (fogMode & SST_FOG_ALPHA) {
paramIndex |= STATE_REQUIRES_IT_ALPHA;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_A_BITS;
#endif
} else {
paramIndex |= STATE_REQUIRES_OOW_FBI;
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_W_BITS;
#endif
}
}
}
/*
** Now we know everything that needs to be iterated. Prune back
** the stuff that isn't explicitly different
**
** NOTE: by GMT, STATE_REQUIRES_OOW_FBI is set whenever texture mapping
** is enabled
*/
/* Turn off W for TMU0 if we don't have a hint */
if (paramIndex & STATE_REQUIRES_W_TMU0) {
GR_ASSERT(paramIndex & STATE_REQUIRES_OOW_FBI);
if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS) {
if (gc->state.vData.q0Info.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_W_TMU0;
}
else {
if ((gc->state.vData.q0Info.mode == GR_PARAM_DISABLE) &&
(gc->state.vData.qInfo.mode == GR_PARAM_DISABLE))
paramIndex &= ~STATE_REQUIRES_W_TMU0;
}
}
/* Turn off ST for TMU1 if TMU0 is active and TMU1 is not different */
if (((paramIndex & (STATE_REQUIRES_ST_TMU0 | STATE_REQUIRES_ST_TMU1)) ==
(STATE_REQUIRES_ST_TMU0 | STATE_REQUIRES_ST_TMU1)) &&
gc->state.vData.st1Info.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_ST_TMU1;
/* Turn off W for TMU1 if we have a previous W, and don't have a hint */
if (paramIndex & STATE_REQUIRES_W_TMU1) {
if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS) {
if (gc->state.vData.q1Info.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_W_TMU0;
}
else {
if ((gc->state.vData.q1Info.mode == GR_PARAM_DISABLE) &&
(gc->state.vData.qInfo.mode == GR_PARAM_DISABLE))
paramIndex &= ~STATE_REQUIRES_W_TMU0;
}
}
#if (GLIDE_NUM_TMU > 2)
/* Turn off ST for TMU1 if it's not different & any other is set up. */
if ((paramIndex & (STATE_REQUIRES_ST_TMU0 | STATE_REQURES_ST_TMU1)) &&
(paramIndex & STATE_REQUIRES_ST_TMU2) &&
!(hints & GR_STWHINT_ST_DIFF_TMU2))
paramIndex &= ~STATE_REQUIRES_ST_TMU2;
/* Turn off W for TMU2 if we have a previous W, and don't have a hint */
if ((paramIndex & STATE_REQUIRES_W_TMU2) && !(hints & GR_STWHINT_W_DIFF_TMU2))
paramIndex &= ~STATE_REQUIRES_W_TMU2;
#endif
/*
** last check
*/
if (gc->state.vData.colorType == GR_U8) {
if (gc->state.vData.pargbInfo.mode == GR_PARAM_DISABLE) {
paramIndex &= ~STATE_REQUIRES_IT_ALPHA;
paramIndex &= ~STATE_REQUIRES_IT_DRGB;
}
}
else {
if (gc->state.vData.aInfo.mode == GR_PARAM_DISABLE) {
paramIndex &= ~STATE_REQUIRES_IT_ALPHA;
}
if (gc->state.vData.rgbInfo.mode == GR_PARAM_DISABLE) {
paramIndex &= ~STATE_REQUIRES_IT_DRGB;
}
}
if (gc->state.vData.zInfo.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_OOZ;
if (gc->state.vData.qInfo.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_OOW_FBI;
if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_CLIP_COORDS) {
if (gc->state.vData.wInfo.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_OOW_FBI;
}
if (gc->state.vData.st0Info.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_ST_TMU0;
if (gc->state.vData.st1Info.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_ST_TMU1;
if (gc->state.vData.q0Info.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_W_TMU0;
if (gc->state.vData.q1Info.mode == GR_PARAM_DISABLE)
paramIndex &= ~STATE_REQUIRES_W_TMU1;
gc->state.paramIndex = paramIndex;
_grRebuildDataList();
} /* _grUpdateParamIndex */
#if defined(GLIDE_USE_ALT_REGMAP)
#define RED Fr_ALT
#define DRDX Fdrdx_ALT
#define DRDY Fdrdy_ALT
#define GRN Fg_ALT
#define DGDX Fdgdx_ALT
#define DGDY Fdgdy_ALT
#define BLU Fb_ALT
#define DBDX Fdbdx_ALT
#define DBDY Fdbdy_ALT
#define ALF Fa_ALT
#define DADX Fdadx_ALT
#define DADY Fdady_ALT
#define Z Fz_ALT
#define DZDX Fdzdx_ALT
#define DZDY Fdzdy_ALT
#define S Fs_ALT
#define DSDX Fdsdx_ALT
#define DSDY Fdsdy_ALT
#define T Ft_ALT
#define DTDX Fdtdx_ALT
#define DTDY Fdtdy_ALT
#define W Fw_ALT
#define DWDX Fdwdx_ALT
#define DWDY Fdwdy_ALT
#else
#define RED Fr
#define DRDX Fdrdx
#define DRDY Fdrdy
#define GRN Fg
#define DGDX Fdgdx
#define DGDY Fdgdy
#define BLU Fb
#define DBDX Fdbdx
#define DBDY Fdbdy
#define ALF Fa
#define DADX Fdadx
#define DADY Fdady
#define Z Fz
#define DZDX Fdzdx
#define DZDY Fdzdy
#define S Fs
#define DSDX Fdsdx
#define DSDY Fdsdy
#define T Ft
#define DTDX Fdtdx
#define DTDY Fdtdy
#define W Fw
#define DWDX Fdwdx
#define DWDY Fdwdy
#endif
#if (GLIDE_PLATFORM & GLIDE_HW_SST96)
/*---------------------------------------------------------------------------
** _grRebuildDataList
*/
GR_DDFUNC(_grRebuildDataList, void, ( void ))
{
GR_DCL_GC;
GR_DCL_HW;
int curTriSize, params;
FxU32 gwHeaderNum, gwpSize; /* header + vertices */
FxU32 i, packMask=1;
Sstregs *tmu0;
Sstregs *tmu1;
#ifdef GLIDE_DEBUG
static char *p_str[] = {"x","y","z","r","g","b","ooz","a","oow",
"s0","t0","w0","s1","t1","w1","s2","t2","w2"};
#endif
GDBG_INFO((80,"_grRebuildDataList() paramIndex=0x%x\n", gc->state.paramIndex));
curTriSize = params = 0;
i = gc->state.paramIndex;
#if GL_X86
if (_GlideRoot.CPUType == 6) packMask |= 2;
#endif
tmu0 = SST_CHIP(hw,0xE); /* tmu 0,1,2 */
tmu1 = SST_CHIP(hw,0xC); /* tmu 1,2 */
/* init group write data */
gwHeaderNum = 0;
gwpSize = 8; /* header + vertices */
/* !!! fixme - jdt
this won't ever change, actually, but this is the safest
place I can think of to init this for now */
gc->hwDep.sst96Dep.gwCommand = GWH_GEN_ADDRESS(&hw->FvA.x);
/*
((((FxU32)((FxU32) &hw->FvA.x) - (FxU32) gc->lfb_ptr) >> 2) | 0x100000 | ( 1L << (31) ));
*/
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] = 0;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_VTX_BITS;
if (i & STATE_REQUIRES_IT_DRGB) {
if (gc->state.vData.colorType == GR_FLOAT) {
/* non packed color */
/* add 9 to size array for r,drdx,drdy,g,dgdx,dgdy,b,dbdx,dbdy */
gc->dataList[curTriSize + 0].i = gc->state.vData.rgbInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->RED;
gc->dataList[curTriSize + 0].bddr = 0;
gc->dataList[curTriSize + 1].i = gc->state.vData.rgbInfo.offset+GR_COLOR_OFFSET_GREEN;
gc->dataList[curTriSize + 1].addr = (float *)(void *)&hw->GRN;
gc->dataList[curTriSize + 1].bddr = 0;
gc->dataList[curTriSize + 2].i = gc->state.vData.rgbInfo.offset+GR_COLOR_OFFSET_BLUE;
gc->dataList[curTriSize + 2].addr = (float *)(void *)&hw->BLU;
gc->dataList[curTriSize + 2].bddr = 0;
curTriSize += 3;
params += 3;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_RGB_BITS;
gwpSize += 9;
}
else {
/* packed color, argb */
/* add 9 to size array for r,drdx,drdy,g,dgdx,dgdy,b,dbdx,dbdy */
gc->dataList[curTriSize + 0].i = gc->state.vData.pargbInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->RED;
gc->dataList[curTriSize + 0].bddr = gc->state.vData.pargbInfo.offset + GR_PARGB_R;
gc->dataList[curTriSize + 1].i = gc->state.vData.pargbInfo.offset;
gc->dataList[curTriSize + 1].addr = (float *)(void *)&hw->GRN;
gc->dataList[curTriSize + 1].bddr = gc->state.vData.pargbInfo.offset + GR_PARGB_G;
gc->dataList[curTriSize + 2].i = gc->state.vData.pargbInfo.offset;
gc->dataList[curTriSize + 2].addr = (float *)(void *)&hw->BLU;
gc->dataList[curTriSize + 2].bddr = gc->state.vData.pargbInfo.offset + GR_PARGB_B;
curTriSize += 3;
params += 3;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_RGB_BITS;
gwpSize += 9;
}
}
if (i & STATE_REQUIRES_OOZ) {
gc->dataList[curTriSize + 0].i = gc->state.vData.zInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->Z;
gc->dataList[curTriSize + 0].bddr = 0;
curTriSize += 1;
params += 1;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_Z_BITS;
gwpSize += 3;
}
if (i & STATE_REQUIRES_IT_ALPHA) {
if (gc->state.vData.colorType == GR_FLOAT) {
gc->dataList[curTriSize + 0].i = gc->state.vData.aInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->ALF;
gc->dataList[curTriSize + 0].bddr = 0;
curTriSize += 1;
params += 1;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_A_BITS;
gwpSize += 3;
}
else {
/* packed color, argb */
gc->dataList[curTriSize + 0].i = gc->state.vData.pargbInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->ALF;
gc->dataList[curTriSize + 0].bddr = gc->state.vData.pargbInfo.offset + GR_PARGB_A;
curTriSize += 1;
params += 1;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_A_BITS;
gwpSize += 3;
}
}
/* TMU1 --------------------------------- */
/* always output to ALL chips, saves from having to change CHIP field */
if (i & STATE_REQUIRES_ST_TMU0) {
gc->dataList[curTriSize + 0].i = gc->state.vData.st0Info.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->S;
gc->dataList[curTriSize + 0].bddr = 0;
gc->dataList[curTriSize + 1].i = gc->state.vData.st0Info.offset + GR_TEXTURE_OFFSET_T;
gc->dataList[curTriSize + 1].addr = (float *)(void *)&hw->T;
gc->dataList[curTriSize + 1].bddr = 0;
curTriSize += 2;
params += 2;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_ST_BITS;
gwpSize += 6;
}
/* we squeeze FBI.OOW in here for sequential writes in the simple case */
if (i & STATE_REQUIRES_OOW_FBI) {
gc->dataList[curTriSize + 0].i = gc->state.vData.qInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->W;
gc->dataList[curTriSize + 0].bddr = 0;
curTriSize += 1;
params += 1;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_W_BITS;
gwpSize += 3;
}
/* NOTE: this is the first */
if (i & STATE_REQUIRES_W_TMU0) {
/* We do this a bit differently for grouped writes */
gc->dataList[curTriSize + 0].i = packMask;
gc->dataList[curTriSize + 0].addr =
(float *)(void *) GWH_GEN_ADDRESS(&tmu0->FvA.x);
gc->dataList[curTriSize + 0].bddr = 0;
if (gc->state.vData.q0Info.mode == GR_PARAM_ENABLE)
gc->dataList[curTriSize + 1].i = gc->state.vData.q0Info.offset;
else {
if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS)
gc->dataList[curTriSize + 1].i = gc->state.vData.qInfo.offset;
else
gc->dataList[curTriSize + 1].i = gc->state.vData.wInfo.offset;
}
gc->dataList[curTriSize + 1].addr = NULL;
gc->dataList[curTriSize + 1].bddr = 0;
if (gwpSize & 1)
++gwpSize; /* Justify your love */
gwpSize += 5; /* 2 header + grads */
++gwHeaderNum;
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_W_BITS;
curTriSize += 2;
params += 1;
}
gc->dataList[curTriSize++].i = 0; /* terminate the list with 0,* */
/* followed by the FtriangleCMD reg */
gc->dataList[curTriSize].i = packMask;/* encode P6 flag here for asm code */
gc->dataList[curTriSize].addr = (float *)(void *)&hw->FtriangleCMD;
/* 6 X,Y values plus AREA = 7, plus parameters */
if (gwHeaderNum) {
if (gwpSize & 1)
++gwpSize; /* justify your love */
/* If we've had a chip field change above then we need to start a
** new packet for the triangle command, so we don't put it in the
** original */
gwpSize +=4; /* The triangleCMD GWP constitutes 4 DWORDS */
} else {
gc->hwDep.sst96Dep.gwHeaders[gwHeaderNum] |= GWH_FTRIANGLECMD_BIT;
gwpSize++; /* Triangle Command */
if (gwpSize & 1)
++gwpSize; /* justify the fifo */
}
_GlideRoot.curTriSize = gwpSize << 2; /* GR.curTriSize in bytes */
/* Need to know tri size without gradients for planar polygons */
_GlideRoot.curTriSizeNoGradient = _GlideRoot.curTriSize - (params<<3);
#ifdef GDBG_INFO_ON
GDBG_INFO((282, "DataList\n"));
for (i = 0; gc->dataList[i].i; i++) {
GDBG_INFO((282," dataList[%d] = %2d 0x%x [%s]\n",
i,gc->dataList[i].i>>2,gc->dataList[i].addr,
(gc->dataList[i].i & 1) ? "packer" : p_str[gc->dataList[i].i>>2]));
}
#endif
} /* _grRebuildDataList */
#else /* It's SST1 */
/*---------------------------------------------------------------------------
** _grRebuildDataList
*/
GR_DDFUNC(_grRebuildDataList, void, ( void ))
{
GR_DCL_GC;
GR_DCL_HW;
int curTriSize, params, packerFlag;
FxU32 i, packMask=1;
Sstregs *tmu0;
Sstregs *tmu1;
#ifdef GLIDE_DEBUG
static char *p_str[] = {"x","y","z","r","g","b","ooz","a","oow",
"s0","t0","w0","s1","t1","w1","s2","t2","w2"};
#endif
GDBG_INFO((80,"_grRebuildDataList() paramIndex=0x%x\n",
gc->state.paramIndex));
curTriSize = params = 0;
i = gc->state.paramIndex;
#if GL_X86
if (_GlideRoot.CPUType == 6) packMask |= 2;
#endif
#ifdef GLIDE_USE_ALT_REGMAP
hw = SST_WRAP(hw,128); /* wrap 128-257 are alternate
register mappings */
#endif /* GLIDE_USE_ALT_REGMAP */
tmu0 = SST_CHIP(hw,0xE); /* tmu 0,1,2 */
tmu1 = SST_CHIP(hw,0xC); /* tmu 1,2 */
if (i & STATE_REQUIRES_IT_DRGB) {
if (gc->state.vData.colorType == GR_FLOAT) {
/* non packed color */
/* add 9 to size array for r,drdx,drdy,g,dgdx,dgdy,b,dbdx,dbdy */
gc->dataList[curTriSize + 0].i = gc->state.vData.rgbInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->RED;
gc->dataList[curTriSize + 0].bddr = 0;
gc->dataList[curTriSize + 1].i = gc->state.vData.rgbInfo.offset+GR_COLOR_OFFSET_GREEN;
gc->dataList[curTriSize + 1].addr = (float *)(void *)&hw->GRN;
gc->dataList[curTriSize + 1].bddr = 0;
gc->dataList[curTriSize + 2].i = gc->state.vData.rgbInfo.offset+GR_COLOR_OFFSET_BLUE;
gc->dataList[curTriSize + 2].addr = (float *)(void *)&hw->BLU;
gc->dataList[curTriSize + 2].bddr = 0;
curTriSize += 3;
params += 3;
}
else {
/* packed color, argb */
/* add 9 to size array for r,drdx,drdy,g,dgdx,dgdy,b,dbdx,dbdy */
gc->dataList[curTriSize + 0].i = gc->state.vData.pargbInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->RED;
gc->dataList[curTriSize + 0].bddr = gc->state.vData.pargbInfo.offset + GR_PARGB_R;
gc->dataList[curTriSize + 1].i = gc->state.vData.pargbInfo.offset;
gc->dataList[curTriSize + 1].addr = (float *)(void *)&hw->GRN;
gc->dataList[curTriSize + 1].bddr = gc->state.vData.pargbInfo.offset + GR_PARGB_G;
gc->dataList[curTriSize + 2].i = gc->state.vData.pargbInfo.offset;
gc->dataList[curTriSize + 2].addr = (float *)(void *)&hw->BLU;
gc->dataList[curTriSize + 2].bddr = gc->state.vData.pargbInfo.offset + GR_PARGB_B;
curTriSize += 3;
params += 3;
}
}
if (i & STATE_REQUIRES_OOZ) {
gc->dataList[curTriSize + 0].i = gc->state.vData.zInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->Z;
gc->dataList[curTriSize + 0].bddr = 0;
curTriSize += 1;
params += 1;
}
if (i & STATE_REQUIRES_IT_ALPHA) {
if (gc->state.vData.colorType == GR_FLOAT) {
gc->dataList[curTriSize + 0].i = gc->state.vData.aInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->ALF;
gc->dataList[curTriSize + 0].bddr = 0;
curTriSize += 1;
params += 1;
}
else {
/* packed color, argb */
gc->dataList[curTriSize + 0].i = gc->state.vData.pargbInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->ALF;
gc->dataList[curTriSize + 0].bddr = gc->state.vData.pargbInfo.offset + GR_PARGB_A;
curTriSize += 1;
params += 1;
}
}
/* TMU1 --------------------------------- */
/* always output to ALL chips, saves from having to change CHIP field */
if (i & STATE_REQUIRES_ST_TMU0) {
gc->dataList[curTriSize + 0].i = gc->state.vData.st0Info.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->S;
gc->dataList[curTriSize + 0].bddr = 0;
gc->dataList[curTriSize + 1].i = gc->state.vData.st0Info.offset
+ GR_TEXTURE_OFFSET_T;
gc->dataList[curTriSize + 1].addr = (float *)(void *)&hw->T;
gc->dataList[curTriSize + 1].bddr = 0;
curTriSize += 2;
params += 2;
}
/* we squeeze FBI.OOW in here for sequential writes in the simple case */
if (i & STATE_REQUIRES_OOW_FBI) {
gc->dataList[curTriSize + 0].i = gc->state.vData.qInfo.offset;
gc->dataList[curTriSize + 0].addr = (float *)(void *)&hw->W;
gc->dataList[curTriSize + 0].bddr = 0;
curTriSize += 1;
params += 1;
}
/* NOTE: this is the first */
if (i & STATE_REQUIRES_W_TMU0) {
gc->dataList[curTriSize + 0].i = packMask;
gc->dataList[curTriSize + 0].addr = (float *)_GlideRoot.packerFixAddress;
gc->dataList[curTriSize + 0].bddr = 0;
if (gc->state.vData.q0Info.mode == GR_PARAM_ENABLE)
gc->dataList[curTriSize + 1].i = gc->state.vData.q0Info.offset;
else {
if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS)
gc->dataList[curTriSize + 1].i = gc->state.vData.qInfo.offset;
else
gc->dataList[curTriSize + 1].i = gc->state.vData.wInfo.offset;
}
gc->dataList[curTriSize + 1].addr = (float *)(void *)&tmu0->W;
gc->dataList[curTriSize + 1].bddr = 0;
curTriSize += 2;
params += 1;
}
/* TMU1 --------------------------------- */
if (i & STATE_REQUIRES_ST_TMU1) {
gc->dataList[curTriSize + 0].i = packMask;
gc->dataList[curTriSize + 0].addr = (float *)_GlideRoot.packerFixAddress;
packerFlag = 0;
gc->dataList[curTriSize + 0].bddr = 0;
gc->dataList[curTriSize + 1].i = gc->state.vData.st1Info.offset;
gc->dataList[curTriSize + 1].addr = (float *)(void *)&tmu1->S;
gc->dataList[curTriSize + 1].bddr = 0;
gc->dataList[curTriSize + 2].i = gc->state.vData.st1Info.offset + GR_TEXTURE_OFFSET_T;
gc->dataList[curTriSize + 2].addr = (float *)(void *)&tmu1->T;
gc->dataList[curTriSize + 2].bddr = 0;
curTriSize += 3;
params += 2;
}
else packerFlag = 1;
if (i & STATE_REQUIRES_W_TMU1) {
if (packerFlag) {
gc->dataList[curTriSize + 0].i = packMask;
gc->dataList[curTriSize + 0].addr = (float *)_GlideRoot.packerFixAddress;
gc->dataList[curTriSize + 0].bddr = 0;
curTriSize += 1;
}
if (gc->state.vData.q1Info.mode == GR_PARAM_ENABLE)
gc->dataList[curTriSize + 0].i = gc->state.vData.q1Info.offset;
else {
if (gc->state.grCoordinateSpaceArgs.coordinate_space_mode == GR_WINDOW_COORDS)
gc->dataList[curTriSize + 0].i = gc->state.vData.qInfo.offset;
else
gc->dataList[curTriSize + 0].i = gc->state.vData.wInfo.offset;
}
gc->dataList[curTriSize + 0].addr = (float *)(void *)&tmu1->W;
gc->dataList[curTriSize + 0].bddr = 0;
curTriSize += 1;
params += 1;
}
#if (GLIDE_NUM_TMU > 2)
error WRITE THIS CODE;
#endif
/* if last write was not to chip 0 */
if ( SST_CHIP_MASK & (FxU32)gc->dataList[curTriSize-1].addr ) {
/* flag write as a packer bug fix */
gc->dataList[curTriSize].i = packMask;
gc->dataList[curTriSize].addr = (float *)_GlideRoot.packerFixAddress;
gc->dataList[curTriSize].bddr = 0;
curTriSize++;
}
gc->dataList[curTriSize++].i = 0; /* terminate the list with 0,* */
/* followed by the FtriangleCMD reg */
gc->dataList[curTriSize].i = packMask;/* encode P6 flag here for asm code */
gc->dataList[curTriSize].addr = (float *)(void *)&hw->FtriangleCMD;
/* 6 X,Y values plus AREA = 7, plus parameters */
_GlideRoot.curTriSize = (6 + curTriSize + (params<<1)) <<2;
/* Need to know tri size without gradients for planar polygons */
_GlideRoot.curTriSizeNoGradient = _GlideRoot.curTriSize - (params<<3);
#ifdef GDBG_INFO_ON
GDBG_INFO((282, "DataList\n"));
for (i = 0; gc->dataList[i].i; i++) {
GDBG_INFO((282," dataList[%d] = %2d 0x%x [%s]\n",
i,gc->dataList[i].i>>2,gc->dataList[i].addr,
(gc->dataList[i].i & 1) ? "packer" :
p_str[gc->dataList[i].i>>2]));
}
#endif
} /* _grRebuildDataList */
#endif
#if GLIDE_MULTIPLATFORM
/*
_grInitializeGCFuncs - initialize the gcFuncs Structure for this
device.
*/
GR_DDFUNC(_grInitializeGCFuncs, void, (GrGC *gc))
{
gc->gcFuncs._grColorCombineDelta0Mode = (void *)
GR_DDNAME(_grColorCombineDelta0Mode);
gc->gcFuncs._grRebuildDataList = (void *) GR_DDNAME(_grRebuildDataList);
gc->gcFuncs._grTexDetailControl = (void *) GR_DDNAME(_grTexDetailControl);
gc->gcFuncs._grTexDownloadNccTable = (void *)
GR_DDNAME(_grTexDownloadNccTable);
gc->gcFuncs._grTexDownloadPalette = (void *)
GR_DDNAME(_grTexDownloadPalette);
gc->gcFuncs._gumpTexCombineFunction = (void *)
GR_DDNAME(_gumpTexCombineFunction);
gc->gcFuncs._grUpdateParamIndex = (void *)
GR_DDNAME(_grUpdateParamIndex);
gc->gcFuncs._trisetup = (void *) GR_DDNAME(_trisetup);
gc->gcFuncs._trisetup_nogradients = (void *)
GR_DDNAME(_trisetup_nogradients);
gc->gcFuncs.grAADrawLine = (void *) GR_DDNAME(grAADrawLine);
gc->gcFuncs.grAADrawPoint = (void *) GR_DDNAME(grAADrawPoint);
gc->gcFuncs.grAADrawPolygon = (void *) GR_DDNAME(grAADrawPolygon);
gc->gcFuncs.grAADrawPolygonVertexList = (void *)
GR_DDNAME(grAADrawPolygonVertexList);
gc->gcFuncs.grAADrawTriangle = (void *) GR_DDNAME(grAADrawTriangle);
gc->gcFuncs.grAlphaBlendFunction = (void *)
GR_DDNAME(grAlphaBlendFunction);
gc->gcFuncs.grAlphaCombine = (void *) GR_DDNAME(grAlphaCombine);
gc->gcFuncs.grAlphaControlsITRGBLighting = (void *)
GR_DDNAME(grAlphaControlsITRGBLighting);
gc->gcFuncs.grAlphaTestFunction = (void *)
GR_DDNAME(grAlphaTestFunction);
gc->gcFuncs.grAlphaTestReferenceValue = (void *)
GR_DDNAME(grAlphaTestReferenceValue);
gc->gcFuncs.grBufferClear = (void *) GR_DDNAME(grBufferClear);
gc->gcFuncs.grBufferNumPending = (void *)
GR_DDNAME(grBufferNumPending);
gc->gcFuncs.grBufferSwap = (void *) GR_DDNAME(grBufferSwap);
gc->gcFuncs.grChromakeyMode = (void *) GR_DDNAME(grChromakeyMode);
gc->gcFuncs.grChromakeyValue = (void *) GR_DDNAME(grChromakeyValue);
gc->gcFuncs.grClipWindow = (void *) GR_DDNAME(grClipWindow);
gc->gcFuncs.grColorCombine = (void *) GR_DDNAME(grColorCombine);
gc->gcFuncs.grColorMask = (void *) GR_DDNAME(grColorMask);
gc->gcFuncs.grConstantColorValue = (void *)
GR_DDNAME(grConstantColorValue);
gc->gcFuncs.grConstantColorValue4 = (void *)
GR_DDNAME(grConstantColorValue4);
gc->gcFuncs.grCullMode = (void *) GR_DDNAME(grCullMode);
gc->gcFuncs.grDepthBiasLevel = (void *) GR_DDNAME(grDepthBiasLevel);
gc->gcFuncs.grDepthBufferFunction = (void *)
GR_DDNAME(grDepthBufferFunction);
gc->gcFuncs.grDepthBufferMode = (void *) GR_DDNAME(grDepthBufferMode);
gc->gcFuncs.grDepthMask = (void *) GR_DDNAME(grDepthMask);
gc->gcFuncs.grDisableAllEffects = (void *)
GR_DDNAME(grDisableAllEffects);
gc->gcFuncs.grDitherMode = (void *) GR_DDNAME(grDitherMode);
gc->gcFuncs.grDrawLine = (void *) GR_DDNAME(grDrawLine);
gc->gcFuncs.grDrawPlanarPolygon = (void *)
GR_DDNAME(grDrawPlanarPolygon);
gc->gcFuncs.grDrawPlanarPolygonVertexList = (void *)
GR_DDNAME(grDrawPlanarPolygonVertexList);
gc->gcFuncs.grDrawPoint = (void *) GR_DDNAME(grDrawPoint);
gc->gcFuncs.grDrawPolygon = (void *) GR_DDNAME(grDrawPolygon);
gc->gcFuncs.grDrawPolygonVertexList = (void *)
GR_DDNAME(grDrawPolygonVertexList);
gc->gcFuncs.grDrawTriangle = (void *) GR_DDNAME(grDrawTriangle);
gc->gcFuncs.grFogColorValue = (void *) GR_DDNAME(grFogColorValue);
gc->gcFuncs.grFogMode = (void *) GR_DDNAME(grFogMode);
gc->gcFuncs.grFogTable = (void *) GR_DDNAME(grFogTable);
gc->gcFuncs.grGammaCorrectionValue = (void *)
GR_DDNAME(grGammaCorrectionValue);
gc->gcFuncs.grGlideSetState = (void *) GR_DDNAME(grGlideSetState);
gc->gcFuncs.grGlideShutdown = (void *) GR_DDNAME(grGlideShutdown);
gc->gcFuncs.grLfbConstantAlpha = (void *)
GR_DDNAME(grLfbConstantAlpha);
gc->gcFuncs.grLfbConstantDepth = (void *)
GR_DDNAME(grLfbConstantDepth);
gc->gcFuncs.grLfbLock = (void *)GR_DDNAME(grLfbLock);
gc->gcFuncs.grLfbUnlock = (void*)GR_DDNAME(grLfbUnlock);
gc->gcFuncs.grLfbWriteColorFormat = (void *)
GR_DDNAME(grLfbWriteColorFormat);
gc->gcFuncs.grLfbWriteColorSwizzle = (void *)
GR_DDNAME(grLfbWriteColorSwizzle);
gc->gcFuncs.grRenderBuffer = (void *) GR_DDNAME(grRenderBuffer);
gc->gcFuncs.grSstConfigPipeline = (void *)
GR_DDNAME(grSstConfigPipeline);
gc->gcFuncs.grSstIdle = (void *) GR_DDNAME(grSstIdle);
gc->gcFuncs.grSstIsBusy = (void *) GR_DDNAME(grSstIsBusy);
gc->gcFuncs.grSstOpen = (void *) GR_DDNAME(grSstOpen);
gc->gcFuncs.grSstOrigin = (void *) GR_DDNAME(grSstOrigin);
gc->gcFuncs.grSstPassthruMode = (void *) GR_DDNAME(grSstPassthruMode);
gc->gcFuncs.grSstPerfStats = (void *) GR_DDNAME(grSstPerfStats);
gc->gcFuncs.grSstResetPerfStats = (void *) GR_DDNAME(grSstResetPerfStats);
gc->gcFuncs.grSstStatus = (void *) GR_DDNAME(grSstStatus);
gc->gcFuncs.grSstVRetraceOn = (void *) GR_DDNAME(grSstVRetraceOn);
gc->gcFuncs.grSstVideoLine = (void *) GR_DDNAME(grSstVideoLine);
gc->gcFuncs.grTexClampMode = (void *) GR_DDNAME(grTexClampMode);
gc->gcFuncs.grTexCombine = (void *) GR_DDNAME(grTexCombine);
gc->gcFuncs.grTexDownloadMipMapLevelPartial = (void *)
GR_DDNAME(grTexDownloadMipMapLevelPartial);
gc->gcFuncs.grTexFilterMode = (void *) GR_DDNAME(grTexFilterMode);
gc->gcFuncs.grTexLodBiasValue = (void *) GR_DDNAME(grTexLodBiasValue);
gc->gcFuncs.grTexMipMapMode = (void *) GR_DDNAME(grTexMipMapMode);
gc->gcFuncs.grTexMultibase = (void *) GR_DDNAME(grTexMultibase);
gc->gcFuncs.grTexMultibaseAddress = (void *)
GR_DDNAME(grTexMultibaseAddress);
gc->gcFuncs.grTexNCCTable = (void *) GR_DDNAME(grTexNCCTable);
gc->gcFuncs.grTexSource = (void *) GR_DDNAME(grTexSource);
gc->gcFuncs.guMPDrawTriangle = (void *) GR_DDNAME(guMPDrawTriangle);
gc->gcFuncs.guTexSource = (void *) GR_DDNAME(guTexSource);
gc->gcFuncs.ConvertAndDownloadRle=(void *) GR_DDNAME(ConvertAndDownloadRle);
gc->gcFuncs.grCheckForRoom=(void *) GR_DDNAME(grCheckForRoom);
} /* _grInitializeGCFuncs */
#endif
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