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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([email protected]).
** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
** FULL TEXT OF THE NON-WARRANTY PROVISIONS.
**
** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
** THE UNITED STATES.
**
** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
**
** $Header: /cvsroot/glide/glide3x/h5/glide3/src/disst.c,v 1.3 2000/11/15 23:32:52 joseph Exp $
** $Log:
** 3 3dfx 1.0.1.0.1.0 10/11/00 Brent Forced check in to enforce
** branching.
** 2 3dfx 1.0.1.0 06/20/00 Joseph Kain Changes to support the
** Napalm Glide open source release. Changes include cleaned up offensive
** comments and new legal headers.
** 1 3dfx 1.0 09/11/99 StarTeam VTS Administrator
** $
**
** 10 4/04/99 8:51p Atai
** Partial check-in for alt-tab issue. set FX_GLIDE_ALT_TAB=1 to build
** glide3x with hwcQueryContext built into GR_BEGIN_NOFIFOCHECK. It works
** with DEBUG glide only. In the non-debug glide, we can still see the
** desktop corruption.
**
** 9 3/01/99 3:12p Peter
** grSstSelect cannot call gr_dcl_gc because it may be setting a valid
** context in tls
**
** 8 7/04/98 5:06p Jdt
**
** 7 8/03/98 6:37a Jdt
** multi-thread changes
**
** 6 7/16/98 8:14a Jdt
** fxcmd.h
**
** 5 4/30/98 5:01p Peter
** first pass glide3 merge
**
** 3 4/22/98 4:57p Peter
** glide2x merge
**
** 2 1/22/98 10:35a Atai
** 1. introduce GLIDE_VERSION, g3\glide.h, g3\glideutl.h, g2\glide.h,
** g2\glideutl.h
** 2. fixed grChromaRange, grSstOrigin, and grGetProcAddress
*
* 1 1/16/98 4:29p Atai
* create glide 3 src
*
* 18 12/17/97 4:05p Atai
* added grChromaRange(), grGammaCorrecionRGB(), grRest(), and grGet()
* functions
*
* 17 12/09/97 12:20p Peter
* mac glide port
*
* 16 11/19/97 2:49p Peter
* env vars in registry for win32
*
* 15 11/18/97 4:36p Peter
* chipfield stuff cleanup and w/ direct writes
*
* 14 10/31/97 9:15a Peter
* only lie about v2 boards
*
* 13 10/31/97 8:53a Peter
* last lying change, really
*
* 12 9/05/97 5:29p Peter
* changes for direct hw
*
* 11 6/20/97 9:56a Peter
* better lines/pts, hopefully
*
* 10 6/02/97 4:09p Peter
* Compile w/ gcc for Dural
*
* 9 5/27/97 1:16p Peter
* Basic cvg, w/o cmd fifo stuff.
*
* 8 5/21/97 6:04a Peter
*
* 7 5/02/97 2:07p Pgj
* grSstScreenWidth/Height now FxU32
*
* 6 3/17/97 6:25a Jdt
* Added initDeviceSelect to grSstSelect()
*
* 5 3/09/97 10:31a Dow
* Added GR_DIENTRY for di glide functions
*
* 4 3/04/97 9:08p Dow
* Neutered multiplatform multiheaded monster
*
* 3 1/18/97 11:39p Dow
* Changed location of _curGCFuncs
*
* 2 1/16/97 3:39p Dow
* Added ref to _curGCFuncs during grSstSelect()
*
* 1 12/23/96 1:39p Dow
* Changes for multiplatform
**
*/
#include <stdio.h>
#include <string.h>
#include <3dfx.h>
#include <glidesys.h>
#define FX_DLL_DEFINITION
#include <fxdll.h>
#include <glide.h>
#include "fxglide.h"
#include "fxcmd.h"
/*---------------------------------------------------------------------------
** grSstQueryBoards
**
** NOTE: it is OK to call this routine before grGlideInit
*/
#ifndef GLIDE3_ALPHA
GR_DIENTRY(grSstQueryBoards, FxBool, ( GrHwConfiguration *hwc ))
{
GDBG_INIT();
GDBG_INFO(80,"grSstQueryBoards(0x%x)\n",hwc);
#if GLIDE_INIT_HAL
hwc->num_sst = (_grSstDetectResources()
? _GlideRoot.hwConfig.num_sst
: 0);
#else /* !GLIDE_INIT_HAL */
hwc->num_sst = 1;
#endif /* !GLIDE_INIT_HAL */
return FXTRUE;
} /* grSstQueryBoards */
#endif
/*---------------------------------------------------------------------------
** grSstQueryHardware
**
*/
GR_DIENTRY(grSstQueryHardware, FxBool, ( GrHwConfiguration *hwc ))
{
FxBool retVal;
GR_BEGIN_NOFIFOCHECK_RET("grSstQueryHardware",80);
GDBG_INFO_MORE(gc->myLevel,"(0x%x)\n",hwc);
/* init and copy the data back to the user's structure */
retVal = _GlideRoot.hwConfig.num_sst > 0;
*hwc = _GlideRoot.hwConfig;
GR_RETURN(retVal);
} /* grSstQueryHardware */
/*---------------------------------------------------------------------------
** grSstSelect
*/
GR_DIENTRY(grSstSelect, void, ( int which ))
{
/* NB: We cannot use GR_DCL_GC here because we may be setting
* a context into tls.
*/
GDBG_INFO(80, "grSstSelect(0x%X)\n", which);
if ( which >= _GlideRoot.hwConfig.num_sst )
GrErrorCallback( "grSstSelect: non-existent SST", FXTRUE );
_GlideRoot.current_sst = which;
setThreadValue( (AnyPtr)&_GlideRoot.GCs[_GlideRoot.current_sst] );
#ifdef GLIDE_MULTIPLATFORM
_GlideRoot.curGCFuncs = _GlideRoot.curGC->gcFuncs;
#endif
} /* grSstSelect */
/*---------------------------------------------------------------------------
** grSstScreenWidth
*/
GR_DIENTRY(grSstScreenWidth, FxU32, (void))
{
GR_DCL_GC;
GR_ASSERT(gc != NULL);
return gc->state.screen_width;
} /* grSstScreenWidth */
/*---------------------------------------------------------------------------
** grSstScreenHeight
*/
GR_DIENTRY(grSstScreenHeight, FxU32, (void))
{
GR_DCL_GC;
GR_ASSERT(gc != NULL);
return gc->state.screen_height;
}
/*---------------------------------------------------------------------------
** grSstVidMode - override args to grSstOpen()
*/
GR_DIENTRY(grSstVidMode, void, (FxU32 whichSst, FxVideoTimingInfo* vidTimings))
{
GDBG_INFO(80,"grSstVidMode(%d,0x%x)\n",whichSst,vidTimings);
#ifdef GLIDE_DEBUG
if (whichSst >= MAX_NUM_SST) {
char errStr[1028];
sprintf(errStr, "grSstVidMode: %ld greater than MAX_NUM_SST (%d)\n",
whichSst, MAX_NUM_SST);
GrErrorCallback(errStr, FXTRUE);
}
#endif
_GlideRoot.GCs[whichSst].vidTimings = vidTimings;
} /* grSstVidMode */
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