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glide/glide3x/sst1/init/init96/dxdrvr.c
sezero b35c0478be sst1, init96.c: coding style tidy-up. 
dxdrvr.c: add missing braces around BufDesc[] initializer
2018-08-12 20:10:51 +03:00

1031 lines
31 KiB
C
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/*
** 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 UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF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 1.1.2.3 2004/09/24 06:58:10 dborca
** Rush: fixed grLfbLock(AUXBUFFER)
**
** Revision 1.1.2.2 2004/03/08 07:42:23 dborca
** Voodoo Rush fixes
**
** Revision 1.1.2.1 2004/03/02 07:56:03 dborca
** Bastardised Glide3x for SST1
**
** Revision 1.1.1.1 1999/12/07 21:49:06 joseph
** Initial checkin into SourceForge.
**
** 35 11/03/98 11:13a Peter
** release exclusive mode in the fullscreen case of restoreVideo
*
* 34 1/12/98 10:22p Dow
* H3D Stereo Support
*
* 33 11/06/97 9:51a Jdt
* Fixes window resize events to not crash/hang
*
* 32 10/01/97 3:21p Atai
* fix 819, DOS tests flicker on glide
*
* 31 9/08/97 12:05p Atai
* fixed resize problem in dxControl()
*
* 30 8/28/97 10:24a Odo
* moved debugging varaible
*
* 29 8/27/97 10:32a Dow
* added more debugging info
*
* 28 8/21/97 4:24p Dow
* Fixed @#$%! C++ Comments, Added Debugging info
**
*/
/* 3Dfx Headers */
#include <3dfx.h>
#include <fxpci.h>
#include <gdebug.h>
#include <sst.h>
#define FX_DLL_DEFINITION
#include <fxdll.h>
#include <string.h>
#ifdef __DOS32__
#ifdef __DJGPP__
#include <dos.h>
#else
#include <i86.h>
#endif
#endif
#include <init.h>
/* Local Headers */
#include "init96.h"
#include "fxinit96.h"
#define VG96_BUF_MAGIC 0x666
FxBool tripleBuffering = 0;
#ifdef GDBG_INFO_ON
static char *bufTypeNames[] = {
"INIT_BUFFER_FRONTBUFFER",
"INIT_BUFFER_BACKBUFFER",
"INIT_BUFFER_AUXBUFFER",
"INIT_BUFFER_DEPTHBUFFER",
"INIT_BUFFER_ALPHABUFFER",
"INIT_BUFFER_TRIPLEBUFFER",
"INIT_BUFFER_FIFOBUFFER",
"INIT_BUFFER_SCREENBUFFER",
"INIT_BUFFER_TEXTUREBUFFER"
};
#endif
#if defined( __WIN32__) && defined(INIT_ACCESS_DDRAW)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <ddraw.h>
#define NUM_BUFS 6
static HWND hWndApp = 0;
static FxU32 FifoOffset = 0;
static FxU32 Width = 0;
static FxU32 Height = 0;
static FxBool IsFullScreen = 0;
static InitBufDesc_t BufDesc[NUM_BUFS] = { {0} };
#ifdef H3D
static int pageFlip = 0;
#endif
/* Direct Draw stuff */
static LPDIRECTDRAWCLIPPER lpClipper = NULL;
static LPDIRECTDRAWSURFACE lpFront = NULL;
static LPDIRECTDRAWSURFACE lpBack = NULL;
static LPDIRECTDRAWSURFACE lpAux = NULL;
static LPDIRECTDRAWSURFACE lpTriple = NULL;
static LPDIRECTDRAW2 lpDD = NULL;
static LPDIRECTDRAW lpDD1 = NULL;
FxBool
ErrorMessage(HWND hWnd, char *err)
{
GDBG_INFO((0, "Error %s \n", err));
// MessageBox( hWnd, err, "ERROR", MB_OK );
return FALSE;
} /* ErrorMessage */
/*
* Takes a DirectDraw Surface object (LPDIRECTDRAWSURFACE), looks up its
* description (DDSURFACEDESC), and returns a pointer to the surface and its
* stride value in pDesc.
*/
FxBool
_dxSurfaceToBufDesc(LPDIRECTDRAWSURFACE lpSurf, InitBufDesc_t *pDesc)
{
DDSURFACEDESC ddsd;
ddsd.dwSize = sizeof(ddsd);
if (IDirectDrawSurface2_Lock(lpSurf, NULL, &ddsd, DDLOCK_WAIT, NULL)
!=DD_OK) {
return ErrorMessage(hWndApp, "_dxSurfaceToBufDesc: DdrawSurface Lock failed\n");
}
/* pDesc->bufType should be filled in by caller */
pDesc->bufOffset = (FxU32) (ddsd.lpSurface); /* virtual address. */
pDesc->bufStride = (FxI32) (ddsd.lPitch); /* in bytes */
pDesc->bufBPP = (FxI32) 16;
IDirectDrawSurface2_Unlock(lpSurf, NULL);
return FXTRUE;
} /* _dxSurfaceToBufDesc */
/*
* Convert front, back and aux surfaces from DDraw to Glide bufDescriptors.
*/
FxBool
_dxDDrawToGlideDesc(InitBufDesc_t *pDesc)
{
InitBufDesc_t *dFront = &pDesc[0];
InitBufDesc_t *dBack = &pDesc[1];
InitBufDesc_t *dAux = &pDesc[2];
InitBufDesc_t *dFifo = &pDesc[3];
InitBufDesc_t *dScreen = &pDesc[4];
InitBufDesc_t *dTriple = &pDesc[5];
GDBG_INFO((80, "_dxDDrawToGlide entry\n"));
/* Initialize all descriptors. */
dScreen->bufMagic = VG96_BUF_MAGIC;
dScreen->bufType = INIT_BUFFER_SCREENBUFFER;
dScreen->bufOffset = 0;
dScreen->bufStride = 0;
dScreen->bufBPP = 0;
/* Get info about screen (primary display) */
dScreen->bufType = INIT_BUFFER_SCREENBUFFER;
if (!_dxSurfaceToBufDesc( lpFront, dScreen))
return ErrorMessage(hWndApp, "Couldn't get Screen Info");
*dFront = *dBack = *dAux = *dFifo =
*dTriple =
*dScreen;
dFront->bufType = INIT_BUFFER_FRONTBUFFER;
/* Get info about back buffer */
dBack->bufType = INIT_BUFFER_BACKBUFFER;
if (!_dxSurfaceToBufDesc( lpBack, dBack))
return ErrorMessage(hWndApp, "Couldn't get Backbuffer Info");
/* Get info about aux buffer */
dAux->bufType = INIT_BUFFER_AUXBUFFER;
if (!_dxSurfaceToBufDesc( lpAux, dAux))
return ErrorMessage(hWndApp, "Couldn't get AuxBuffer Info");
/* Get info about triple buffer */
if (tripleBuffering) {
dTriple->bufType = INIT_BUFFER_TRIPLEBUFFER;
if (!_dxSurfaceToBufDesc( lpTriple, dTriple))
return ErrorMessage(hWndApp, "Couldn't get triple buffer Info");
}
/* Get info about cmdFifo */
dFifo->bufType = INIT_BUFFER_FIFOBUFFER;
dFifo->bufOffset = FifoOffset;
dFifo->bufStride = 65536 << 1; /* Fixme!!! what's this? */
/* Now convert buf addresses for draw buffers into video memory offsets */
dFront->bufOffset -= dScreen->bufOffset;
dBack ->bufOffset -= dScreen->bufOffset;
dAux ->bufOffset -= dScreen->bufOffset;
if (tripleBuffering)
dTriple->bufOffset -= dScreen->bufOffset;
GDBG_INFO((80, "_dxDDrawToGlideDesc: dFront->bufOffset = 0x%x\n", dFront->bufOffset));
GDBG_INFO((80, "_dxDDrawToGlideDesc: dBack->bufOffset = 0x%x\n", dBack->bufOffset));
GDBG_INFO((80, "_dxDDrawToGlideDesc: dAux->bufOffset = 0x%x\n", dAux->bufOffset));
GDBG_INFO((80, "_dxDDrawToGlideDesc: dFifo->bufOffset = 0x%x\n", dFifo->bufOffset));
if (tripleBuffering)
GDBG_INFO((80, "_dxDDrawToGlideDesc: dTriple->bufOffset = 0x%x\n", dTriple->bufOffset));
GDBG_INFO((80,
"F:%.06x %5d B:%.06x %5d B2:%.06x %5d A:%.06x %5d, C:%.06x %5d\n",
dFront->bufOffset, dFront->bufStride,
dBack ->bufOffset, dBack ->bufStride,
dTriple->bufOffset, dTriple->bufStride,
dAux ->bufOffset, dAux ->bufStride,
dFifo ->bufOffset, dFifo ->bufStride));
return TRUE;
} /* _dxDDrawToGlideDesc */
/*
* Allocate (or re-allocate for WM_SIZE) buffers from DDraw.
*/
FxBool
#ifdef H3D
_dxAllocSurfaces(int xRes, int yRes, int vRefresh, InitBufDesc_t *pDesc, int pageFlip)
#else
_dxAllocSurfaces(int xRes, int yRes, int vRefresh, InitBufDesc_t *pDesc)
#endif
{
DDSURFACEDESC ddsd;
#ifdef H3D
GDBG_INFO((80, "_dxAS: hWnd = %x, fs=%d, xRes=%d, yRes=%d, vRefresh=%d, pageFlip=%d\n",
hWndApp, IsFullScreen, xRes, yRes, vRefresh, pageFlip));
#else
GDBG_INFO((80, "_dxAS: hWnd = %x, fs=%d, xRes=%d, yRes=%d, vRefresh=%d\n",
hWndApp, IsFullScreen, xRes, yRes, vRefresh));
#endif
if (lpDD1 == NULL) {
if (DirectDrawCreate( NULL, &lpDD1, NULL ) != DD_OK) {
return ErrorMessage(hWndApp, "DirectDrawCreate Failed!");
} else {
GDBG_INFO((80, "_dxAS: DDraw Obj created!\n"));
}
} else {
GDBG_INFO((80, "_dxAS: DDraw Obj already existed!\n"));
}
if (IDirectDraw_QueryInterface( lpDD1, &IID_IDirectDraw2,
(LPVOID*)&lpDD) !=DD_OK) {
IDirectDraw_Release( lpDD1 );
lpDD1 = NULL;
lpDD = NULL;
return ErrorMessage(hWndApp, "DDraw2 interface object failed!");
} else {
GDBG_INFO((80, "_dxAS: DDraw2 Obj created!\n"));
}
/*
* Make sure this is done after creating direct draw object!!!
* First time, only one time, get ourselves a command fifo.
* Fix me - XXX
*/
if (FifoOffset == 0) {
FifoOffset = init96GetFBVram() - 65536*3; /* fixme!!! why 3? */
}
/*
* If there are any previously allocated surfaces, free them now
* before asking for more.
*/
if( lpClipper) IDirectDrawSurface2_Release( lpClipper);
if( lpAux ) IDirectDrawSurface2_Release( lpAux );
if( lpBack ) IDirectDrawSurface2_Release( lpBack );
if( lpTriple ) IDirectDrawSurface2_Release( lpTriple );
if( lpFront ) IDirectDrawSurface2_Release( lpFront );
lpClipper = NULL;
lpFront = NULL;
lpBack = NULL;
lpTriple = NULL;
lpAux = NULL;
if ( !IsFullScreen ) { /* In a window */
GDBG_INFO((80, "_dxAS: Allocating buffers for a windowed mode\n"));
/* Verify screen pixel format is 16bpp, and set cooperative level */
ddsd.dwSize = sizeof( ddsd );
if (IDirectDraw2_GetDisplayMode( lpDD, &ddsd ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't get display mode!");
if (ddsd.ddpfPixelFormat.dwRGBBitCount / 8 != 2)
return ErrorMessage(hWndApp, "Display is not in 16bpp format!");
if (IDirectDraw2_SetCooperativeLevel(lpDD,hWndApp, DDSCL_NORMAL ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't set cooperative level!");
/* Allocate Front Buffer Surface */
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_3DDEVICE;
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpFront, 0 ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't allocate primary surface!");
GDBG_INFO((80, "_dxAS: Screen: xRes = %d, yRes = %d, stride = %d\n",
xRes, yRes, ddsd.lPitch));
/* From jdt */
if (IDirectDraw2_CreateClipper( lpDD, 0, &lpClipper, 0 ) != DD_OK)
return ErrorMessage(hWndApp, "Create Clipper failed!\n");
if (IDirectDrawClipper_SetHWnd( lpClipper, 0, hWndApp ) != DD_OK)
return ErrorMessage(hWndApp, "Clipper SethWnd failed!\n");
if (IDirectDrawSurface2_SetClipper( lpFront, lpClipper ) != DD_OK)
return ErrorMessage(hWndApp, "Set Clipper failed!\n");
/* Always allocate back buffer.
*/
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.dwWidth = xRes;
ddsd.dwHeight = yRes;
ddsd.ddsCaps.dwCaps =
DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY | DDSCAPS_3DDEVICE;
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpBack, 0 ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't allocate secondary surface!" );
GDBG_INFO((80, "_dxAS: Back buffer allocated!\n"));
/*
* Always allocate Aux Buffer Surface
* XXX - (use nAuxBuffers, and deal with 8bpp for alpha)
*/
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.dwWidth = xRes;
ddsd.dwHeight = yRes;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY
| DDSCAPS_3DDEVICE;
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpAux, 0 ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't allocate aux surface" );
GDBG_INFO((80, "_dxAS: Aux Buffer allocated!\n"));
} else {
/* Full screen - Set Exclusive Mode, change resolution, */
GDBG_INFO((80, "_dxAS: Setting Full screen exclusive mode!\n"));
if (IDirectDraw2_SetCooperativeLevel(lpDD, hWndApp,
DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't set cooperative level!");
if (IDirectDraw2_SetDisplayMode( lpDD, xRes, yRes, 16, 0,0) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't set display mode!");
/* Allocate Front/Back Buffer Surfaces, skip triple buffer XXX */
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.dwBackBufferCount = 1;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE |
DDSCAPS_FLIP |
DDSCAPS_COMPLEX |
DDSCAPS_VIDEOMEMORY | DDSCAPS_3DDEVICE;
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpFront, 0 ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't allocate primary surface!");
/* Get back buffer information */
ddsd.ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
if (IDirectDrawSurface2_GetAttachedSurface( lpFront, &ddsd.ddsCaps,
&lpBack) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't get back buffer info!\n");
GDBG_INFO((80, "_dxAS: Full Screen: front/back buffer allocated!\n"));
/* Allocate Aux Buffer Surface - XXX */
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.dwWidth = xRes;
ddsd.dwHeight = yRes;
ddsd.ddsCaps.dwCaps =
DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY | DDSCAPS_3DDEVICE;
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpAux, 0 ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't allocate aux surface" );
GDBG_INFO((80, "_dxAS: Full Screen: aux buffer allocated!\n"));
/*
* Triple buffer hack: full-screen only for now. Allocate as Aux DD surf,
* after everything else N.B. Allocation order may be important!!!
* god knows how DD would implement dwBackBufferCount == 2
*/
if (tripleBuffering) {
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpTriple, 0 ) != DD_OK)
return ErrorMessage(hWndApp, "Couldn't allocate triple buffer" );
GDBG_INFO((80, "_dxAS: Triple buffer allocated!\n"));
}
}
/* Convert direct draw surfaces to Glide's idea of buffer descriptors */
return _dxDDrawToGlideDesc(pDesc);
} /* _dxAllocSurfaces */
FxBool
_dxReallocSurfaces(int xRes, int yRes, int vRefresh, InitBufDesc_t *pDesc)
{
DDSURFACEDESC ddsd;
const char *errorMessage = "no error";
/* for now this is a goddamn baseball bat
it can be trimmed down */
if ( !IsFullScreen ) { /* this *REALLY* should be called for fullscreen */
if( lpClipper) IDirectDrawClipper_Release( lpClipper);
if( lpAux ) IDirectDrawSurface2_Release( lpAux );
if( lpBack ) IDirectDrawSurface2_Release( lpBack );
if( lpTriple ) IDirectDrawSurface2_Release( lpTriple );
if( lpFront ) IDirectDrawSurface2_Release( lpFront );
lpClipper = NULL;
lpFront = NULL;
lpBack = NULL;
lpTriple = NULL;
lpAux = NULL;
/* Verify screen pixel format is 16bpp, and set cooperative level */
ddsd.dwSize = sizeof( ddsd );
/* Allocate Front Buffer Surface */
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_3DDEVICE;
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpFront, 0 ) != DD_OK) {
errorMessage = "Couldn't allocate primary surface!";
goto FUBAR;
}
/* From jdt */
if (IDirectDraw2_CreateClipper( lpDD, 0, &lpClipper, 0 ) != DD_OK) {
errorMessage = "Create Clipper failed!\n";
goto FUBAR;
}
if (IDirectDrawClipper_SetHWnd( lpClipper, 0, hWndApp ) != DD_OK) {
errorMessage = "Clipper SethWnd failed!\n";
goto FUBAR;
}
if (IDirectDrawSurface2_SetClipper( lpFront, lpClipper ) != DD_OK) {
errorMessage = "Set Clipper failed!\n";
goto FUBAR;
}
/* Always allocate back buffer.
*/
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.dwWidth = xRes;
ddsd.dwHeight = yRes;
ddsd.ddsCaps.dwCaps =
DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY | DDSCAPS_3DDEVICE;
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpBack, 0 ) != DD_OK) {
errorMessage = "Couldn't allocate secondary surface!";
goto FUBAR;
}
/*
* Always allocate Aux Buffer Surface
* XXX - (use nAuxBuffers, and deal with 8bpp for alpha)
*/
ddsd.dwSize = sizeof( ddsd );
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.dwWidth = xRes;
ddsd.dwHeight = yRes;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_VIDEOMEMORY
| DDSCAPS_3DDEVICE;
if (IDirectDraw2_CreateSurface( lpDD, &ddsd, &lpAux, 0 ) != DD_OK) {
errorMessage = "Couldn't allocate aux surface";
goto FUBAR;
}
}
return _dxDDrawToGlideDesc(pDesc);
FUBAR:
/* if you don't free these you can't make another attempt */
if( lpClipper) IDirectDrawClipper_Release( lpClipper);
if( lpAux ) IDirectDrawSurface2_Release( lpAux );
if( lpBack ) IDirectDrawSurface2_Release( lpBack );
if( lpTriple ) IDirectDrawSurface2_Release( lpTriple );
if( lpFront ) IDirectDrawSurface2_Release( lpFront );
lpClipper = NULL;
lpFront = NULL;
lpBack = NULL;
lpTriple = NULL;
lpAux = NULL;
return ErrorMessage( hWndApp, (char*)errorMessage );
} /* _dxReallocSurfaces */
/*
* Restore lost surfaces, or move the window.
* Note: Resizing is done by deleting and re-allocation, and is done in
* _dxAllocSurfaces();
*/
static FxBool
_dxRestoreSurfaces(InitBufDesc_t *pDesc)
{
if (lpDD == NULL) return TRUE;
if (IDirectDrawSurface2_IsLost(lpFront) == DDERR_SURFACELOST) {
if (IDirectDrawSurface2_Restore(lpFront) != DD_OK)
return ErrorMessage(hWndApp, "Front Buffer restore failure\n");
}
if (!IsFullScreen) {
if (IDirectDrawSurface2_IsLost(lpBack) == DDERR_SURFACELOST) {
if (IDirectDrawSurface2_Restore(lpBack) != DD_OK)
return ErrorMessage(hWndApp, "Back Buffer restore failure\n");
}
}
if (IDirectDrawSurface2_IsLost(lpAux) == DDERR_SURFACELOST) {
if (IDirectDrawSurface2_Restore(lpAux) != DD_OK)
return ErrorMessage(hWndApp, "Aux Buffer restore failure\n");
}
if (!IsFullScreen) {
if (IDirectDrawSurface2_IsLost(lpTriple) == DDERR_SURFACELOST) {
if (IDirectDrawSurface2_Restore(lpTriple) != DD_OK)
return ErrorMessage(hWndApp, "Back Buffer restore failure\n");
}
}
GDBG_INFO((80, "_dxRS: restore surfaces OK\n"));
return _dxDDrawToGlideDesc(pDesc);
} /* _dxRestoreSurfaces */
FxBool
dxOpen(
FxU32 hWindow,
GrScreenResolution_t sRes,
GrScreenRefresh_t vRefresh,
InitColorFormat_t cFormat,
InitOriginLocation_t yOrigin,
int nColBuffers,
int nAuxBuffers,
InitBufDesc_t *pBufDesc, // return values
int *width,
int *height,
InitSwapType_t *swapType
)
{
int i;
#ifdef H3D
pageFlip = GR_RESOLUTION_IS_AUTOFLIPPED(sRes);
GDBG_INFO((80, "dxOpen: hWnd = %x, sRes=%d, yOrg=%d, ncb=%d, nab=%d, pageFlip=%d\n",
hWindow, sRes, yOrigin, nColBuffers, nAuxBuffers, pageFlip ));
#else
GDBG_INFO((80, "dxOpen: hWnd = %x, sRes=%d, yOrg=%d, ncb=%d, nab=%d\n",
hWindow, sRes, yOrigin, nColBuffers, nAuxBuffers));
#endif
/*
* Get ourselves a valid window handle
*/
hWndApp = (hWindow == 0) ? GetActiveWindow() : (HWND) hWindow;
if (hWndApp == NULL) {
return ErrorMessage(hWndApp, "VRush needs a valid window handle!\n");
}
if (sRes == GR_RESOLUTION_NONE ) { /* In a window */
RECT rect;
/* Find out how big the window is */
GetClientRect(hWndApp, &rect);
IsFullScreen = FXFALSE;
Width = rect.right;
Height = rect.bottom;
} else {
/* Full screen mode - convert resolution to Width, Height */
static int _w[] = {320,320,400,512,640,640,640,640,800,960,856,512};
static int _h[] = {200,240,256,384,200,350,400,480,600,720,480,256};
#ifdef H3D
static int _w1[] = {640,800};
static int _h1[] = {480,600};
#endif
#ifdef H3D
if ((sRes < GR_RESOLUTION_MIN) ||
(sRes > GR_RESOLUTION_MAX) &&
(!GR_RESOLUTION_IS_AUTOFLIPPED(sRes)) )
#else
if ((sRes < GR_RESOLUTION_320x200) ||
(sRes > GR_RESOLUTION_512x256))
#endif
return ErrorMessage(hWndApp, "Bad Fullscreen resolution");
tripleBuffering = (nColBuffers == 3);
IsFullScreen = FXTRUE;
#ifdef H3D
if (GR_RESOLUTION_IS_AUTOFLIPPED(sRes)) {
Width = _w1[sRes-GR_RESOLUTION_AUTOFLIPPED_MIN];
Height = _h1[sRes-GR_RESOLUTION_AUTOFLIPPED_MIN];
} else {
Width = _w[sRes];
Height = _h[sRes];
}
#else
Width = _w[sRes];
Height = _h[sRes];
#endif
}
GDBG_INFO((80, "dxOpen: W=%d, H=%d, FullScr=%d, vRefresh=%d\n",
Width, Height, IsFullScreen, vRefresh));
#ifdef H3D
if (!_dxAllocSurfaces(Width, Height, vRefresh, BufDesc, pageFlip))
return ErrorMessage(hWndApp, "failed dxOpen");
#else
if (!_dxAllocSurfaces(Width, Height, vRefresh, BufDesc))
return ErrorMessage(hWndApp, "failed dxOpen");
#endif
GDBG_INFO((80, "_dxAllocSurfaces OK!!!\n"));
for (i=0; i< NUM_BUFS; i++) {
pBufDesc[i] = BufDesc[i];
GDBG_INFO((80, "dxOpen: pBufDesc[%d]: \n", i));
GDBG_INFO((80, "\tbufMagic = 0x%x\n", pBufDesc[i].bufMagic));
GDBG_INFO((80, "\tbufType = 0x%x\n", pBufDesc[i].bufType));
GDBG_INFO((80, "\tbufOffset = 0x%x\n", pBufDesc[i].bufOffset));
GDBG_INFO((80, "\tbufStride = 0x%x\n", pBufDesc[i].bufStride));
GDBG_INFO((80, "\tbufBPP = 0x%x\n", pBufDesc[i].bufBPP));
}
*width = Width;
*height = Height;
*swapType = (IsFullScreen) ? INIT_SWAP_FLIP : INIT_SWAP_BLT;
if ( curHALData->initSetVideo ) {
curHALData->initSetVideo( sRes, vRefresh,
(FxU32*)width, (FxU32*)height );
}
GDBG_INFO((80, "dxOpen: Returning TRUE\n"));
return FXTRUE;
} /* dxOpen */
FxBool
dxControl(FxU32 code, InitBufDesc_t *pBufDesc, int *width, int *height)
{
RECT rect;
int i;
GDBG_INFO((80, "dxControl: code = %d\n", code));
/* dx is not initizized */
if ( lpDD== NULL ) {
return TRUE;
}
/* Why was I called? */
switch(code) {
case INIT_CONTROL_RESIZE: /* recreate surfaces */
GetClientRect(hWndApp, &rect);
if ((Width != (FxU32) rect.right) || (Height != (FxU32) rect.bottom)) {
Width = rect.right;
Height = rect.bottom;
GDBG_INFO((120, "W and H changed to %d %d\n",
Width, Height));
if (!_dxReallocSurfaces(Width, Height, 0, BufDesc)) {
/*
Let's find some other way to do this!
ErrorMessage(hWndApp, "dxControl: Resize failed\n"); */
return FXFALSE;
}
}
break;
case INIT_CONTROL_MOVE:
break;
case INIT_CONTROL_ACTIVATE:
GDBG_INFO((120, "dxControl: Activate\n"));
break;
case INIT_CONTROL_DEACTIVATE:
GDBG_INFO((120, "dxControl: DeActivate\n"));
break;
default:
GDBG_INFO((120, "dxControl: Strange control %d\n", code));
return FXFALSE;
break;
}
for (i=0; i<5; i++) pBufDesc[i] = BufDesc[i];
*width = Width;
*height = Height;
GDBG_INFO((80, "dxControl: code = %d, w = %d, h = %d\n", code,
Width, Height));
return FXTRUE;
} /* dxControl */
FxBool
dxClose(void)
{
GDBG_INFO((80, "dxClose:\n"));
/* fixme! nulling out this code fixes bug 541... why is unclear??? XXX
* A little more information... the problem is releasing lpDD1, and
* only in fullscreen mode. Temporary refined hack is to not release
* lpDD1 in fullscreen mode. Also rearrange code in dxAllocSurfaces
* to only create lpDD1 once per application execution. /PGJ
*/
#if 1
/* If we're fullscreen then we need to release exclusive mode access
* to the hw otherwise re-opens won't work. DD seems to take care of
* this if the app just quits, but nuking the surfaces does not seem
* to be sufficient in the normal case.
*/
if (IsFullScreen) {
IDirectDraw2_SetCooperativeLevel(lpDD, hWndApp, DDSCL_NORMAL );
}
// Release any allocated buffers
if( lpClipper) IDirectDrawSurface2_Release( lpClipper);
if( lpFront ) IDirectDrawSurface2_Release( lpFront );
if(!IsFullScreen) {
if( lpBack ) IDirectDrawSurface2_Release( lpBack );
}
if( lpAux ) IDirectDrawSurface2_Release( lpAux );
if( lpDD ) IDirectDraw2_Release( lpDD );
if (1 /* !IsFullScreen */) {
if( lpDD1 ) IDirectDraw_Release( lpDD1 );
lpDD1 = NULL;
}
lpClipper = NULL;
lpFront = NULL;
lpBack = NULL;
lpTriple = NULL;
lpAux = NULL;
lpDD = NULL;
#endif /* 0 */
GDBG_INFO((80, "dxClose: Returning TRUE\n"));
return FXTRUE;
} /* dxClose */
void
dxSwap(FxU32 code)
{
static RECT dest, src;
static POINT point;
static HRESULT hr;
GDBG_INFO((80, "dxSwap:\n"));
if ( !IsFullScreen ) {
GDBG_INFO((120, "Swap: using BLTs\n"));
src.left = 0;
src.right = Width-1;
src.top = 0;
src.bottom = Height-1;
dest = src;
point.x = 0;
point.y = 0;
ClientToScreen( hWndApp, &point );
dest.left += point.x;
dest.right += point.x;
dest.top += point.y;
dest.bottom += point.y;
hr = IDirectDrawSurface_Blt( lpFront,
&dest,
lpBack,
&src,
DDBLT_WAIT,
NULL );
while( IDirectDrawSurface_GetBltStatus( lpFront, DDGBS_ISBLTDONE ) !=
DD_OK );
if ( hr != DD_OK ) {
ErrorMessage(hWndApp, "Couldn't blit!\n");
}
}
return;
} /* dxSwap */
#else /* it's either DOS or the Hoopti Lab Setup */
FxBool
dxOpen(
FxU32 hWindow,
GrScreenResolution_t sRes,
GrScreenRefresh_t vRefresh,
InitColorFormat_t cFormat,
InitOriginLocation_t yOrigin,
int nColBuffers,
int nAuxBuffers,
InitBufDesc_t *pBufDesc, // return values
int *width,
int *height,
InitSwapType_t *swapType
)
{
#define FN_NAME "dxOpen"
InitBufDesc_t *dFront = &pBufDesc[0];
InitBufDesc_t *dBack = &pBufDesc[1];
InitBufDesc_t *dAux = &pBufDesc[2];
InitBufDesc_t *dFifo = &pBufDesc[3];
InitBufDesc_t *dScreen = &pBufDesc[4];
InitBufDesc_t *dTriple = &pBufDesc[5];
FxBool rv = FXTRUE;
FxU32 endAddr;
/* !!! FIXME - this is a hack to get murali's bufferdesc into the code
* this whole file needs to be subsumed into init96.c.
* Still a hack, but I put some rouge on it /PGJ
*/
GDBG_INFO((80, "%s: Resolution == 0x%x\n", FN_NAME, sRes));
switch (sRes) {
case GR_RESOLUTION_640x480:
*width = 640;
*height = 480;
break;
case GR_RESOLUTION_800x600:
*width = 800;
*height = 600;
break;
case GR_RESOLUTION_320x200:
*width = 320;
*height = 200;
break;
case GR_RESOLUTION_320x240:
*width = 320;
*height = 240;
break;
case GR_RESOLUTION_512x384:
*width = 512;
*height = 384;
break;
case GR_RESOLUTION_400x256:
case GR_RESOLUTION_640x200:
case GR_RESOLUTION_640x350:
case GR_RESOLUTION_640x400:
case GR_RESOLUTION_960x720:
case GR_RESOLUTION_856x480:
case GR_RESOLUTION_512x256:
case GR_RESOLUTION_NONE:
default:
GDBG_INFO((80, "%s: Unimplemented resolution\n", FN_NAME));
break;
}
#define WAITLOOP {\
volatile int waitfoo;\
int waitcount;\
for (waitcount = 0; waitcount < 500000; waitcount++){waitfoo = waitcount;}\
}
/* AT3D buffers need to be 4K (Intel) page-aligned */
#define BUMP(x, y) (((x) + ((y)-1)) & ~((y)-1))
#define BUMP_PAGE(x) (BUMP(x, 1<<12))
if ( curHALData->initSetVideo ) {
rv = curHALData->initSetVideo( sRes, vRefresh,
(FxU32*)width, (FxU32*)height );
if ( !rv ) goto BAIL;
}
/* Initialize all descriptors. */
dFront->bufMagic = VG96_BUF_MAGIC;
dFront->bufType = INIT_BUFFER_FRONTBUFFER;
dFront->bufOffset = 0;
dFront->bufStride = (*width)*2;
dFront->bufBPP = 16;
endAddr = BUMP_PAGE((*width)*(*height)*2);
dBack->bufMagic = VG96_BUF_MAGIC;
dBack->bufType = INIT_BUFFER_BACKBUFFER;
dBack->bufOffset = endAddr;
dBack->bufStride = (*width)*2;
dBack->bufBPP = 16;
endAddr = BUMP_PAGE(endAddr + (*width)*(*height)*2);
tripleBuffering = (nColBuffers == 3);
if (tripleBuffering) {
dTriple->bufMagic = VG96_BUF_MAGIC;
dTriple->bufType = INIT_BUFFER_TRIPLEBUFFER;
dTriple->bufOffset = endAddr;
dTriple->bufStride = (*width)*2;
dTriple->bufBPP = 16;
endAddr = BUMP_PAGE(endAddr + (*width)*(*height)*2);
}
dAux->bufMagic = VG96_BUF_MAGIC;
dAux->bufType = INIT_BUFFER_AUXBUFFER;
dAux->bufOffset = endAddr;
dAux->bufStride = (*width)*2;
dAux->bufBPP = 16;
endAddr = BUMP_PAGE(endAddr + (*width)*(*height)*2);
dFifo->bufMagic = VG96_BUF_MAGIC;
dFifo->bufType = INIT_BUFFER_FIFOBUFFER;
dFifo->bufOffset = endAddr;
dFifo->bufStride = 65536;
dFifo->bufBPP = 16;
dScreen->bufMagic = VG96_BUF_MAGIC;
dScreen->bufType = INIT_BUFFER_SCREENBUFFER;
dScreen->bufOffset = 0;
dScreen->bufStride = 0;
dScreen->bufBPP = 0;
GDBG_INFO((80, "%s: dFront = 0x%x, dBack = 0x%x, dAux = 0x%x\n",
FN_NAME, dFront, dBack, dAux, dFifo));
GDBG_INFO((80, "dxOpen: F:%.06x %5d B:%.06x %5d A:%.06x %5d, C:%.06x %5d\n",
dFront->bufOffset, dFront->bufStride,
dBack ->bufOffset, dBack ->bufStride,
dAux ->bufOffset, dAux ->bufStride,
dFifo ->bufOffset, dFifo ->bufStride));
#ifdef GDBG_INFO_ON
{
int i;
for (i = 0; i < 5; i++) {
GDBG_INFO((80, "%s: pBufDesc[%d] = 0x%x:\n",
FN_NAME, i, &pBufDesc[i]));
GDBG_INFO((80, "%s: pBufDesc.bufType = %s\n",
FN_NAME, bufTypeNames[pBufDesc[i].bufType]));
GDBG_INFO((80, "%s: pBufDesc.bufOffset = 0x%x\n",
FN_NAME, pBufDesc[i].bufOffset ));
GDBG_INFO((80, "%s: pBufDesc.bufStride = 0x%x\n",
FN_NAME, pBufDesc[i].bufStride));
GDBG_INFO((80, "%s: pBufDesc.bufBPP = 0x%x\n",
FN_NAME, pBufDesc[i].bufBPP));
}
}
#endif
*swapType = INIT_SWAP_FLIP;
BAIL:
return rv;
#undef FN_NAME
} /* dxOpen */
FxBool
dxControl(FxU32 code, InitBufDesc_t *pBufDesc, int *width, int *height)
{
return FXTRUE;
} /* dxControl */
FxBool
dxClose(void)
{
#define FN_NAME "dxClose"
GDBG_INFO((80, "%s: Setting up VESA mode 640*480*\n", FN_NAME));
#ifdef __DOS32__
{
union REGS r;
memset(&r, 0, sizeof(r));
r.w.ax = 0x4f02;
r.w.bx = 0x3;
int386( 0x10, &r, &r );
}
#endif
return FXTRUE;
#undef FN_NAME
} /* dxClose */
void
dxSwap(FxU32 code)
{
} /* dxSwap */
#endif /* __DOS32__ || (defined(__WIN32__) && !defined(INIT_ACCESS_DDRAW) */
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