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/*
* Mesa 3-D graphics library
* Version: 4.0
*
* Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/* Authors:
* David Bucciarelli
* Brian Paul
* Daryll Strauss
* Keith Whitwell
* Daniel Borca
* Hiroshi Morii
*/
/* fxsetup.c - 3Dfx VooDoo rendering mode setup functions */
#ifdef HAVE_CONFIG_H
#include "conf.h"
#endif
#if defined(FX)
#include "fxglidew.h"
#include "fxdrv.h"
#include <stdlib.h>
#include <string.h>
FxI32
FX_grGetInteger_NoLock(FxU32 pname)
{
FxI32 result;
if (grGet(pname, 4, &result)) {
return result;
}
if (TDFX_DEBUG & VERBOSE_DRIVER) {
fprintf(stderr, "%s: wrong parameter (%lx)\n", __FUNCTION__, pname);
}
return -1;
}
FxBool
FX_grSstControl(FxU32 code)
{
/* The glide 3 sources call for grEnable/grDisable to be called in exchange
* for grSstControl. */
switch (code) {
case GR_CONTROL_ACTIVATE:
grEnable(GR_PASSTHRU);
break;
case GR_CONTROL_DEACTIVATE:
grDisable(GR_PASSTHRU);
break;
}
/* Appearently GR_CONTROL_RESIZE can be ignored. */
return 1; /* OK? */
}
int
FX_grSstScreenWidth()
{
FxI32 result[4];
BEGIN_BOARD_LOCK();
grGet(GR_VIEWPORT, sizeof(FxI32) * 4, result);
END_BOARD_LOCK();
return result[2];
}
int
FX_grSstScreenHeight()
{
FxI32 result[4];
BEGIN_BOARD_LOCK();
grGet(GR_VIEWPORT, sizeof(FxI32) * 4, result);
END_BOARD_LOCK();
return result[3];
}
void
FX_grSstPerfStats(GrSstPerfStats_t * st)
{
FxI32 n;
grGet(GR_STATS_PIXELS_IN, 4, &n);
st->pixelsIn = n;
grGet(GR_STATS_PIXELS_CHROMA_FAIL, 4, &n);
st->chromaFail = n;
grGet(GR_STATS_PIXELS_DEPTHFUNC_FAIL, 4, &n);
st->zFuncFail = n;
grGet(GR_STATS_PIXELS_AFUNC_FAIL, 4, &n);
st->aFuncFail = n;
grGet(GR_STATS_PIXELS_OUT, 4, &n);
st->pixelsOut = n;
}
void
FX_setupGrVertexLayout(void)
{
BEGIN_BOARD_LOCK();
grReset(GR_VERTEX_PARAMETER);
grCoordinateSpace(GR_WINDOW_COORDS);
grVertexLayout(GR_PARAM_XY, GR_VERTEX_X_OFFSET << 2, GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_PARGB, GR_VERTEX_PARGB_OFFSET << 2, GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_Q, GR_VERTEX_OOW_OFFSET << 2, GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_Z, GR_VERTEX_OOZ_OFFSET << 2, GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_ST0, GR_VERTEX_SOW_TMU0_OFFSET << 2,
GR_PARAM_ENABLE);
grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2,
GR_PARAM_DISABLE);
grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2,
GR_PARAM_DISABLE);
grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2,
GR_PARAM_DISABLE);
END_BOARD_LOCK();
}
void
FX_grHints_NoLock(GrHint_t hintType, FxU32 hintMask)
{
switch (hintType) {
case GR_HINT_STWHINT:
{
if (hintMask & GR_STWHINT_W_DIFF_TMU0)
grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2,
GR_PARAM_ENABLE);
else
grVertexLayout(GR_PARAM_Q0, GR_VERTEX_OOW_TMU0_OFFSET << 2,
GR_PARAM_DISABLE);
if (hintMask & GR_STWHINT_ST_DIFF_TMU1)
grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2,
GR_PARAM_ENABLE);
else
grVertexLayout(GR_PARAM_ST1, GR_VERTEX_SOW_TMU1_OFFSET << 2,
GR_PARAM_DISABLE);
if (hintMask & GR_STWHINT_W_DIFF_TMU1)
grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2,
GR_PARAM_ENABLE);
else
grVertexLayout(GR_PARAM_Q1, GR_VERTEX_OOW_TMU1_OFFSET << 2,
GR_PARAM_DISABLE);
}
}
}
/*
* Glide3 doesn't have the grSstQueryHardware function anymore.
* Instead, we call grGet() and fill in the data structures ourselves.
*/
int
FX_grSstQueryHardware(GrHwConfiguration * config)
{
int i, j;
int numFB;
BEGIN_BOARD_LOCK();
grGet(GR_NUM_BOARDS, 4, (void *) &(config->num_sst));
if (config->num_sst == 0)
return 0;
for (i = 0; i < config->num_sst; i++) {
FxI32 result;
const char *extension;
grSstSelect(i);
extension = grGetString(GR_HARDWARE);
if (strstr(extension, "Voodoo Banshee")) {
config->SSTs[i].type = GR_SSTTYPE_Banshee;
} else if (strstr(extension, "Voodoo3")) {
config->SSTs[i].type = GR_SSTTYPE_Voodoo3;
} else if (strstr(extension, "Voodoo4")) {
config->SSTs[i].type = GR_SSTTYPE_Voodoo4;
} else if (strstr(extension, "Voodoo5")) {
config->SSTs[i].type = GR_SSTTYPE_Voodoo5;
} else { /* Voodoo1,2,rush */
/* ZZZ TO DO: Need to distinguish whether we have V1 or V2 or Rush. */
config->SSTs[i].type = GR_SSTTYPE_VOODOO;
}
grGet(GR_MEMORY_FB, 4, &result); /* ZZZ: differs after grSstWinOpen */
config->SSTs[i].fbRam = result / (1024 * 1024);
grGet(GR_NUM_TMU, 4, &result);
config->SSTs[i].nTexelfx = result;
grGet(GR_REVISION_FB, 4, &result);
config->SSTs[i].fbiRev = result;
for (j = 0; j < config->SSTs[i].nTexelfx; j++) {
grGet(GR_MEMORY_TMU, 4, &result); /* ZZZ: differs after grSstWinOpen */
config->SSTs[i].tmuConfig[j].tmuRam = result / (1024 * 1024);
grGet(GR_REVISION_TMU, 4, &result);
config->SSTs[i].tmuConfig[j].tmuRev = result;
}
extension = grGetString(GR_EXTENSION);
config->SSTs[i].HavePixExt = (strstr(extension, " PIXEXT ") != NULL);
config->SSTs[i].HaveTexFmt = (strstr(extension, " TEXFMT ") != NULL);
config->SSTs[i].HaveCmbExt = (strstr(extension, " COMBINE ") != NULL);
config->SSTs[i].HaveMirExt = (strstr(extension, " TEXMIRROR ") != NULL);
config->SSTs[i].HaveTexUma = (strstr(extension, " TEXUMA ") != NULL);
config->SSTs[i].HaveTexus2 = GL_FALSE;
/* number of Voodoo chips */
grGet(GR_NUM_FB, 4, (void *) &numFB);
config->SSTs[i].numChips = numFB;
}
tdfx_hook_glide(&config->Glide);
END_BOARD_LOCK();
return 1;
}
#else
/*
* Need this to provide at least one external definition.
*/
extern int gl_fx_dummy_function_glidew(void);
int
gl_fx_dummy_function_glidew(void)
{
return 0;
}
#endif /* FX */
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