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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/glide/fxsetup.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/glide/fxsetup.c2217
1 files changed, 0 insertions, 2217 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxsetup.c b/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxsetup.c
deleted file mode 100644
index 360a42f7e..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/glide/fxsetup.c
+++ /dev/null
@@ -1,2217 +0,0 @@
-/*
- * 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 "fxdrv.h"
-#include "enums.h"
-#include "tnl.h"
-#include "tnl/t_context.h"
-#include "swrast.h"
-#include "texstore.h"
-
-
-static void
-fxTexValidate(GLcontext * ctx, struct gl_texture_object *tObj)
-{
- tfxTexInfo *ti = fxTMGetTexInfo(tObj);
- GLint minl, maxl;
-
- if (ti->validated) {
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxTexValidate(NOP)\n");
- }
- return;
- }
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxTexValidate(%p (%d))\n", (void *)tObj, tObj->Name);
- }
-
- ti->tObj = tObj;
- minl = ti->minLevel = tObj->BaseLevel;
- maxl = ti->maxLevel = MIN2(tObj->MaxLevel, tObj->Image[0][0]->MaxLog2);
-
-#if FX_RESCALE_BIG_TEXURES_HACK
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- /* [dBorca]
- * Fake textures larger than HW supports:
- * 1) we have mipmaps. Then we just push up to the first supported
- * LOD. A possible drawback is that Mesa will ignore the skipped
- * LODs on further texture handling.
- * Will this interfere with GL_TEXTURE_[MIN|BASE]_LEVEL? How?
- * 2) we don't have mipmaps. We need to rescale the big LOD in place.
- * The above approach is somehow dumb! we might have rescaled
- * once in TexImage2D to accomodate aspect ratio, and now we
- * are rescaling again. The thing is, in TexImage2D we don't
- * know whether we'll hit 1) or 2) by the time of validation.
- */
- if ((tObj->MinFilter == GL_NEAREST) || (tObj->MinFilter == GL_LINEAR)) {
- /* no mipmaps! */
- struct gl_texture_image *texImage = tObj->Image[0][minl];
- tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
- GLint _w, _h, maxSize = 1 << fxMesa->textureMaxLod;
- if ((mml->width > maxSize) || (mml->height > maxSize)) {
- /* need to rescale */
- GLint texelBytes = texImage->TexFormat->TexelBytes;
- GLvoid *texImage_Data = texImage->Data;
- _w = MIN2(texImage->Width, maxSize);
- _h = MIN2(texImage->Height, maxSize);
- if (TDFX_DEBUG & VERBOSE_TEXTURE) {
- fprintf(stderr, "fxTexValidate: rescaling %d x %d -> %d x %d\n",
- texImage->Width, texImage->Height, _w, _h);
- }
- /* we should leave these as is and... (!) */
- texImage->Width = _w;
- texImage->Height = _h;
- fxTexGetInfo(_w, _h, NULL, NULL, NULL, NULL,
- &(mml->wScale), &(mml->hScale));
- _w *= mml->wScale;
- _h *= mml->hScale;
- texImage->Data = _mesa_malloc(_w * _h * texelBytes);
- _mesa_rescale_teximage2d(texelBytes,
- mml->width,
- _w * texelBytes, /* dst stride */
- mml->width, mml->height, /* src */
- _w, _h, /* dst */
- texImage_Data /*src*/, texImage->Data /*dst*/ );
- _mesa_free(texImage_Data);
- mml->width = _w;
- mml->height = _h;
- /* (!) ... and set mml->wScale = _w / texImage->Width */
- }
- } else {
- /* mipmapping */
- if (maxl - minl > fxMesa->textureMaxLod) {
- /* skip a certain number of LODs */
- minl += maxl - fxMesa->textureMaxLod;
- if (TDFX_DEBUG & VERBOSE_TEXTURE) {
- fprintf(stderr, "fxTexValidate: skipping %d LODs\n", minl - ti->minLevel);
- }
- ti->minLevel = tObj->BaseLevel = minl;
- }
- }
-}
-#endif
-
- fxTexGetInfo(tObj->Image[0][minl]->Width, tObj->Image[0][minl]->Height,
- &(FX_largeLodLog2(ti->info)), &(FX_aspectRatioLog2(ti->info)),
- &(ti->sScale), &(ti->tScale),
- NULL, NULL);
-
- if ((tObj->MinFilter != GL_NEAREST) && (tObj->MinFilter != GL_LINEAR))
- fxTexGetInfo(tObj->Image[0][maxl]->Width, tObj->Image[0][maxl]->Height,
- &(FX_smallLodLog2(ti->info)), NULL,
- NULL, NULL, NULL, NULL);
- else
- FX_smallLodLog2(ti->info) = FX_largeLodLog2(ti->info);
-
- /* [dBorca] this is necessary because of fxDDCompressedTexImage2D */
- if (ti->padded) {
- struct gl_texture_image *texImage = tObj->Image[0][minl];
- tfxMipMapLevel *mml = FX_MIPMAP_DATA(texImage);
- if (mml->wScale != 1 || mml->hScale != 1) {
- ti->sScale /= mml->wScale;
- ti->tScale /= mml->hScale;
- }
- }
-
- ti->baseLevelInternalFormat = tObj->Image[0][minl]->Format;
-
- ti->validated = GL_TRUE;
-
- ti->info.data = NULL;
-}
-
-static void
-fxPrintUnitsMode(const char *msg, GLuint mode)
-{
- fprintf(stderr,
- "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
- msg,
- mode,
- (mode & FX_UM_E0_REPLACE) ? "E0_REPLACE, " : "",
- (mode & FX_UM_E0_MODULATE) ? "E0_MODULATE, " : "",
- (mode & FX_UM_E0_DECAL) ? "E0_DECAL, " : "",
- (mode & FX_UM_E0_BLEND) ? "E0_BLEND, " : "",
- (mode & FX_UM_E1_REPLACE) ? "E1_REPLACE, " : "",
- (mode & FX_UM_E1_MODULATE) ? "E1_MODULATE, " : "",
- (mode & FX_UM_E1_DECAL) ? "E1_DECAL, " : "",
- (mode & FX_UM_E1_BLEND) ? "E1_BLEND, " : "",
- (mode & FX_UM_E0_ALPHA) ? "E0_ALPHA, " : "",
- (mode & FX_UM_E0_LUMINANCE) ? "E0_LUMINANCE, " : "",
- (mode & FX_UM_E0_LUMINANCE_ALPHA) ? "E0_LUMINANCE_ALPHA, " : "",
- (mode & FX_UM_E0_INTENSITY) ? "E0_INTENSITY, " : "",
- (mode & FX_UM_E0_RGB) ? "E0_RGB, " : "",
- (mode & FX_UM_E0_RGBA) ? "E0_RGBA, " : "",
- (mode & FX_UM_E1_ALPHA) ? "E1_ALPHA, " : "",
- (mode & FX_UM_E1_LUMINANCE) ? "E1_LUMINANCE, " : "",
- (mode & FX_UM_E1_LUMINANCE_ALPHA) ? "E1_LUMINANCE_ALPHA, " : "",
- (mode & FX_UM_E1_INTENSITY) ? "E1_INTENSITY, " : "",
- (mode & FX_UM_E1_RGB) ? "E1_RGB, " : "",
- (mode & FX_UM_E1_RGBA) ? "E1_RGBA, " : "",
- (mode & FX_UM_COLOR_ITERATED) ? "COLOR_ITERATED, " : "",
- (mode & FX_UM_COLOR_CONSTANT) ? "COLOR_CONSTANT, " : "",
- (mode & FX_UM_ALPHA_ITERATED) ? "ALPHA_ITERATED, " : "",
- (mode & FX_UM_ALPHA_CONSTANT) ? "ALPHA_CONSTANT, " : "");
-}
-
-static GLuint
-fxGetTexSetConfiguration(GLcontext * ctx,
- struct gl_texture_object *tObj0,
- struct gl_texture_object *tObj1)
-{
- GLuint unitsmode = 0;
- GLuint envmode = 0;
- GLuint ifmt = 0;
-
- if ((ctx->Light.ShadeModel == GL_SMOOTH) || 1 ||
- (ctx->Point.SmoothFlag) ||
- (ctx->Line.SmoothFlag) ||
- (ctx->Polygon.SmoothFlag)) unitsmode |= FX_UM_ALPHA_ITERATED;
- else
- unitsmode |= FX_UM_ALPHA_CONSTANT;
-
- if (ctx->Light.ShadeModel == GL_SMOOTH || 1)
- unitsmode |= FX_UM_COLOR_ITERATED;
- else
- unitsmode |= FX_UM_COLOR_CONSTANT;
-
-
-
- /*
- OpenGL Feeds Texture 0 into Texture 1
- Glide Feeds Texture 1 into Texture 0
- */
- if (tObj0) {
- tfxTexInfo *ti0 = fxTMGetTexInfo(tObj0);
-
- switch (ti0->baseLevelInternalFormat) {
- case GL_ALPHA:
- ifmt |= FX_UM_E0_ALPHA;
- break;
- case GL_LUMINANCE:
- ifmt |= FX_UM_E0_LUMINANCE;
- break;
- case GL_LUMINANCE_ALPHA:
- ifmt |= FX_UM_E0_LUMINANCE_ALPHA;
- break;
- case GL_INTENSITY:
- ifmt |= FX_UM_E0_INTENSITY;
- break;
- case GL_RGB:
- ifmt |= FX_UM_E0_RGB;
- break;
- case GL_RGBA:
- ifmt |= FX_UM_E0_RGBA;
- break;
- }
-
- switch (ctx->Texture.Unit[0].EnvMode) {
- case GL_DECAL:
- envmode |= FX_UM_E0_DECAL;
- break;
- case GL_MODULATE:
- envmode |= FX_UM_E0_MODULATE;
- break;
- case GL_REPLACE:
- envmode |= FX_UM_E0_REPLACE;
- break;
- case GL_BLEND:
- envmode |= FX_UM_E0_BLEND;
- break;
- case GL_ADD:
- envmode |= FX_UM_E0_ADD;
- break;
- default:
- /* do nothing */
- break;
- }
- }
-
- if (tObj1) {
- tfxTexInfo *ti1 = fxTMGetTexInfo(tObj1);
-
- switch (ti1->baseLevelInternalFormat) {
- case GL_ALPHA:
- ifmt |= FX_UM_E1_ALPHA;
- break;
- case GL_LUMINANCE:
- ifmt |= FX_UM_E1_LUMINANCE;
- break;
- case GL_LUMINANCE_ALPHA:
- ifmt |= FX_UM_E1_LUMINANCE_ALPHA;
- break;
- case GL_INTENSITY:
- ifmt |= FX_UM_E1_INTENSITY;
- break;
- case GL_RGB:
- ifmt |= FX_UM_E1_RGB;
- break;
- case GL_RGBA:
- ifmt |= FX_UM_E1_RGBA;
- break;
- default:
- /* do nothing */
- break;
- }
-
- switch (ctx->Texture.Unit[1].EnvMode) {
- case GL_DECAL:
- envmode |= FX_UM_E1_DECAL;
- break;
- case GL_MODULATE:
- envmode |= FX_UM_E1_MODULATE;
- break;
- case GL_REPLACE:
- envmode |= FX_UM_E1_REPLACE;
- break;
- case GL_BLEND:
- envmode |= FX_UM_E1_BLEND;
- break;
- case GL_ADD:
- envmode |= FX_UM_E1_ADD;
- break;
- default:
- /* do nothing */
- break;
- }
- }
-
- unitsmode |= (ifmt | envmode);
-
- if (TDFX_DEBUG & (VERBOSE_DRIVER | VERBOSE_TEXTURE))
- fxPrintUnitsMode("fxGetTexSetConfiguration", unitsmode);
-
- return unitsmode;
-}
-
-/************************************************************************/
-/************************* Rendering Mode SetUp *************************/
-/************************************************************************/
-
-/************************* Single Texture Set ***************************/
-
-static void
-fxSetupSingleTMU_NoLock(fxMesaContext fxMesa, struct gl_texture_object *tObj)
-{
- tfxTexInfo *ti = fxTMGetTexInfo(tObj);
- int tmu;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupSingleTMU_NoLock(%p (%d))\n", (void *)tObj, tObj->Name);
- }
-
- ti->lastTimeUsed = fxMesa->texBindNumber;
-
- /* Make sure we're not loaded incorrectly */
- if (ti->isInTM) {
- if (ti->LODblend) {
- if (ti->whichTMU != FX_TMU_SPLIT)
- fxTMMoveOutTM(fxMesa, tObj);
- }
- else {
- if (ti->whichTMU == FX_TMU_SPLIT)
- fxTMMoveOutTM(fxMesa, tObj);
- }
- }
-
- /* Make sure we're loaded correctly */
- if (!ti->isInTM) {
- if (ti->LODblend)
- fxTMMoveInTM_NoLock(fxMesa, tObj, FX_TMU_SPLIT);
- else {
- if (fxMesa->haveTwoTMUs) {
- if (fxTMCheckStartAddr(fxMesa, FX_TMU0, ti)) {
- fxTMMoveInTM_NoLock(fxMesa, tObj, FX_TMU0);
- }
- else {
- fxTMMoveInTM_NoLock(fxMesa, tObj, FX_TMU1);
- }
- }
- else
- fxTMMoveInTM_NoLock(fxMesa, tObj, FX_TMU0);
- }
- }
-
- if (ti->LODblend && ti->whichTMU == FX_TMU_SPLIT) {
- /* broadcast */
- if ((ti->info.format == GR_TEXFMT_P_8)
- && (!fxMesa->haveGlobalPaletteTexture)) {
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupSingleTMU_NoLock: uploading texture palette\n");
- }
- grTexDownloadTable(ti->paltype, &(ti->palette));
- }
-
- grTexClampMode(GR_TMU0, ti->sClamp, ti->tClamp);
- grTexClampMode(GR_TMU1, ti->sClamp, ti->tClamp);
- grTexFilterMode(GR_TMU0, ti->minFilt, ti->maxFilt);
- grTexFilterMode(GR_TMU1, ti->minFilt, ti->maxFilt);
- grTexMipMapMode(GR_TMU0, ti->mmMode, ti->LODblend);
- grTexMipMapMode(GR_TMU1, ti->mmMode, ti->LODblend);
-
- grTexSource(GR_TMU0, ti->tm[FX_TMU0]->startAddr,
- GR_MIPMAPLEVELMASK_ODD, &(ti->info));
- grTexSource(GR_TMU1, ti->tm[FX_TMU1]->startAddr,
- GR_MIPMAPLEVELMASK_EVEN, &(ti->info));
- }
- else {
- if (ti->whichTMU == FX_TMU_BOTH)
- tmu = FX_TMU0;
- else
- tmu = ti->whichTMU;
-
- /* pointcast */
- if ((ti->info.format == GR_TEXFMT_P_8)
- && (!fxMesa->haveGlobalPaletteTexture)) {
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupSingleTMU_NoLock: uploading texture palette\n");
- }
- fxMesa->Glide.grTexDownloadTableExt(tmu, ti->paltype, &(ti->palette));
- }
-
- /* KW: The alternative is to do the download to the other tmu. If
- * we get to this point, I think it means we are thrashing the
- * texture memory, so perhaps it's not a good idea.
- */
- if (ti->LODblend && (TDFX_DEBUG & VERBOSE_DRIVER)) {
- fprintf(stderr, "fxSetupSingleTMU_NoLock: not blending texture - only one tmu\n");
- }
-
- grTexClampMode(tmu, ti->sClamp, ti->tClamp);
- grTexFilterMode(tmu, ti->minFilt, ti->maxFilt);
- grTexMipMapMode(tmu, ti->mmMode, FXFALSE);
-
- grTexSource(tmu, ti->tm[tmu]->startAddr, GR_MIPMAPLEVELMASK_BOTH, &(ti->info));
- }
-}
-
-static void
-fxSelectSingleTMUSrc_NoLock(fxMesaContext fxMesa, GLint tmu, FxBool LODblend)
-{
- struct tdfx_texcombine tex0, tex1;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSelectSingleTMUSrc_NoLock(%d, %d)\n", tmu, LODblend);
- }
-
- tex0.InvertRGB = FXFALSE;
- tex0.InvertAlpha = FXFALSE;
- tex1.InvertRGB = FXFALSE;
- tex1.InvertAlpha = FXFALSE;
-
- if (LODblend) {
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_BLEND;
- tex0.FactorRGB = GR_COMBINE_FACTOR_ONE_MINUS_LOD_FRACTION;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_BLEND;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_ONE_MINUS_LOD_FRACTION;
-
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
-
- fxMesa->tmuSrc = FX_TMU_SPLIT;
- }
- else {
- if (tmu != FX_TMU1) {
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex0.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_NONE;
-
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_ZERO;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_ZERO;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
-
- fxMesa->tmuSrc = FX_TMU0;
- }
- else {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
-
- /* correct values to set TMU0 in passthrough mode */
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_BLEND;
- tex0.FactorRGB = GR_COMBINE_FACTOR_ONE;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_BLEND;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_ONE;
-
- fxMesa->tmuSrc = FX_TMU1;
- }
- }
-
- grTexCombine(GR_TMU0,
- tex0.FunctionRGB,
- tex0.FactorRGB,
- tex0.FunctionAlpha,
- tex0.FactorAlpha,
- tex0.InvertRGB,
- tex0.InvertAlpha);
- if (fxMesa->haveTwoTMUs) {
- grTexCombine(GR_TMU1,
- tex1.FunctionRGB,
- tex1.FactorRGB,
- tex1.FunctionAlpha,
- tex1.FactorAlpha,
- tex1.InvertRGB,
- tex1.InvertAlpha);
- }
-}
-
-static void
-fxSetupTextureSingleTMU_NoLock(GLcontext * ctx, GLuint textureset)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- struct tdfx_combine alphaComb, colorComb;
- GrCombineLocal_t localc, locala;
- GLuint unitsmode;
- GLint ifmt;
- tfxTexInfo *ti;
- struct gl_texture_object *tObj = ctx->Texture.Unit[textureset]._Current;
- int tmu;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupTextureSingleTMU_NoLock(%d)\n", textureset);
- }
-
- ti = fxTMGetTexInfo(tObj);
-
- fxTexValidate(ctx, tObj);
-
- fxSetupSingleTMU_NoLock(fxMesa, tObj);
-
- if (ti->whichTMU == FX_TMU_BOTH)
- tmu = FX_TMU0;
- else
- tmu = ti->whichTMU;
- if (fxMesa->tmuSrc != tmu)
- fxSelectSingleTMUSrc_NoLock(fxMesa, tmu, ti->LODblend);
-
- if (textureset == 0 || !fxMesa->haveTwoTMUs)
- unitsmode = fxGetTexSetConfiguration(ctx, tObj, NULL);
- else
- unitsmode = fxGetTexSetConfiguration(ctx, NULL, tObj);
-
-/* if(fxMesa->lastUnitsMode==unitsmode) */
-/* return; */
-
- fxMesa->lastUnitsMode = unitsmode;
-
- fxMesa->stw_hint_state = 0;
- FX_grHints_NoLock(GR_HINT_STWHINT, 0);
-
- ifmt = ti->baseLevelInternalFormat;
-
- if (unitsmode & FX_UM_ALPHA_ITERATED)
- locala = GR_COMBINE_LOCAL_ITERATED;
- else
- locala = GR_COMBINE_LOCAL_CONSTANT;
-
- if (unitsmode & FX_UM_COLOR_ITERATED)
- localc = GR_COMBINE_LOCAL_ITERATED;
- else
- localc = GR_COMBINE_LOCAL_CONSTANT;
-
- if (TDFX_DEBUG & (VERBOSE_DRIVER | VERBOSE_TEXTURE))
- fprintf(stderr, "fxSetupTextureSingleTMU_NoLock: envmode is %s\n",
- _mesa_lookup_enum_by_nr(ctx->Texture.Unit[textureset].EnvMode));
-
- alphaComb.Local = locala;
- alphaComb.Invert = FXFALSE;
- colorComb.Local = localc;
- colorComb.Invert = FXFALSE;
-
- switch (ctx->Texture.Unit[textureset].EnvMode) {
- case GL_DECAL:
- alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- alphaComb.Factor = GR_COMBINE_FACTOR_NONE;
- alphaComb.Other = GR_COMBINE_OTHER_NONE;
-
- colorComb.Function = GR_COMBINE_FUNCTION_BLEND;
- colorComb.Factor = GR_COMBINE_FACTOR_TEXTURE_ALPHA;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
- break;
- case GL_MODULATE:
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_LOCAL;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
-
- if (ifmt == GL_ALPHA) {
- colorComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- colorComb.Factor = GR_COMBINE_FACTOR_NONE;
- colorComb.Other = GR_COMBINE_OTHER_NONE;
- } else {
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_LOCAL;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
- break;
- case GL_BLEND:
- if (ifmt == GL_LUMINANCE || ifmt == GL_RGB) {
- /* Av = Af */
- alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- alphaComb.Factor = GR_COMBINE_FACTOR_NONE;
- alphaComb.Other = GR_COMBINE_OTHER_NONE;
- }
- else if (ifmt == GL_INTENSITY) {
- /* Av = Af * (1 - It) + Ac * It */
- alphaComb.Function = GR_COMBINE_FUNCTION_BLEND;
- alphaComb.Factor = GR_COMBINE_FACTOR_TEXTURE_ALPHA;
- alphaComb.Other = GR_COMBINE_OTHER_CONSTANT;
- }
- else {
- /* Av = Af * At */
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_LOCAL;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
-
- if (ifmt == GL_ALPHA) {
- colorComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- colorComb.Factor = GR_COMBINE_FACTOR_NONE;
- colorComb.Other = GR_COMBINE_OTHER_NONE;
- } else {
- if (fxMesa->type >= GR_SSTTYPE_Voodoo2) {
- colorComb.Function = GR_COMBINE_FUNCTION_BLEND;
- colorComb.Factor = GR_COMBINE_FACTOR_TEXTURE_RGB;
- colorComb.Other = GR_COMBINE_OTHER_CONSTANT;
- } else if (ifmt == GL_INTENSITY) {
- /* just a hack: RGB == ALPHA */
- colorComb.Function = GR_COMBINE_FUNCTION_BLEND;
- colorComb.Factor = GR_COMBINE_FACTOR_TEXTURE_ALPHA;
- colorComb.Other = GR_COMBINE_OTHER_CONSTANT;
- } else {
- /* Only Voodoo^2 can GL_BLEND (GR_COMBINE_FACTOR_TEXTURE_RGB)
- * These settings assume that the TexEnv color is black and
- * incoming fragment color is white.
- */
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_ONE;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
- colorComb.Invert = FXTRUE;
- _mesa_problem(NULL, "can't GL_BLEND with SST1");
- }
- }
-
- grConstantColorValue(
- (((GLuint)(ctx->Texture.Unit[textureset].EnvColor[0] * 255.0f)) ) |
- (((GLuint)(ctx->Texture.Unit[textureset].EnvColor[1] * 255.0f)) << 8) |
- (((GLuint)(ctx->Texture.Unit[textureset].EnvColor[2] * 255.0f)) << 16) |
- (((GLuint)(ctx->Texture.Unit[textureset].EnvColor[3] * 255.0f)) << 24));
- break;
- case GL_REPLACE:
- if ((ifmt == GL_RGB) || (ifmt == GL_LUMINANCE)) {
- alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- alphaComb.Factor = GR_COMBINE_FACTOR_NONE;
- alphaComb.Other = GR_COMBINE_OTHER_NONE;
- } else {
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_ONE;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
-
- if (ifmt == GL_ALPHA) {
- colorComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- colorComb.Factor = GR_COMBINE_FACTOR_NONE;
- colorComb.Other = GR_COMBINE_OTHER_NONE;
- } else {
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_ONE;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
- break;
- case GL_ADD:
- if (ifmt == GL_ALPHA ||
- ifmt == GL_LUMINANCE_ALPHA ||
- ifmt == GL_RGBA) {
- /* product of texel and fragment alpha */
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_LOCAL;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
- else if (ifmt == GL_LUMINANCE || ifmt == GL_RGB) {
- /* fragment alpha is unchanged */
- alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- alphaComb.Factor = GR_COMBINE_FACTOR_NONE;
- alphaComb.Other = GR_COMBINE_OTHER_NONE;
- }
- else {
- /* sum of texel and fragment alpha */
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL;
- alphaComb.Factor = GR_COMBINE_FACTOR_ONE;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
-
- if (ifmt == GL_ALPHA) {
- /* rgb unchanged */
- colorComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- colorComb.Factor = GR_COMBINE_FACTOR_NONE;
- colorComb.Other = GR_COMBINE_OTHER_NONE;
- }
- else {
- /* sum of texel and fragment rgb */
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL;
- colorComb.Factor = GR_COMBINE_FACTOR_ONE;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
- break;
- default:
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupTextureSingleTMU_NoLock: %x Texture.EnvMode not yet supported\n",
- ctx->Texture.Unit[textureset].EnvMode);
- }
- return;
- }
-
- grAlphaCombine(alphaComb.Function,
- alphaComb.Factor,
- alphaComb.Local,
- alphaComb.Other,
- alphaComb.Invert);
- grColorCombine(colorComb.Function,
- colorComb.Factor,
- colorComb.Local,
- colorComb.Other,
- colorComb.Invert);
-}
-
-#if 00
-static void
-fxSetupTextureSingleTMU(GLcontext * ctx, GLuint textureset)
-{
- BEGIN_BOARD_LOCK();
- fxSetupTextureSingleTMU_NoLock(ctx, textureset);
- END_BOARD_LOCK();
-}
-#endif
-
-
-/************************* Double Texture Set ***************************/
-
-static void
-fxSetupDoubleTMU_NoLock(fxMesaContext fxMesa,
- struct gl_texture_object *tObj0,
- struct gl_texture_object *tObj1)
-{
-#define T0_NOT_IN_TMU 0x01
-#define T1_NOT_IN_TMU 0x02
-#define T0_IN_TMU0 0x04
-#define T1_IN_TMU0 0x08
-#define T0_IN_TMU1 0x10
-#define T1_IN_TMU1 0x20
-
- tfxTexInfo *ti0 = fxTMGetTexInfo(tObj0);
- tfxTexInfo *ti1 = fxTMGetTexInfo(tObj1);
- GLuint tstate = 0;
- int tmu0 = 0, tmu1 = 1;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupDoubleTMU_NoLock(...)\n");
- }
-
- /* We shouldn't need to do this. There is something wrong with
- mutlitexturing when the TMUs are swapped. So, we're forcing
- them to always be loaded correctly. !!! */
- if (ti0->whichTMU == FX_TMU1)
- fxTMMoveOutTM_NoLock(fxMesa, tObj0);
- if (ti1->whichTMU == FX_TMU0)
- fxTMMoveOutTM_NoLock(fxMesa, tObj1);
-
- if (ti0->isInTM) {
- switch (ti0->whichTMU) {
- case FX_TMU0:
- tstate |= T0_IN_TMU0;
- break;
- case FX_TMU1:
- tstate |= T0_IN_TMU1;
- break;
- case FX_TMU_BOTH:
- tstate |= T0_IN_TMU0 | T0_IN_TMU1;
- break;
- case FX_TMU_SPLIT:
- tstate |= T0_NOT_IN_TMU;
- break;
- }
- }
- else
- tstate |= T0_NOT_IN_TMU;
-
- if (ti1->isInTM) {
- switch (ti1->whichTMU) {
- case FX_TMU0:
- tstate |= T1_IN_TMU0;
- break;
- case FX_TMU1:
- tstate |= T1_IN_TMU1;
- break;
- case FX_TMU_BOTH:
- tstate |= T1_IN_TMU0 | T1_IN_TMU1;
- break;
- case FX_TMU_SPLIT:
- tstate |= T1_NOT_IN_TMU;
- break;
- }
- }
- else
- tstate |= T1_NOT_IN_TMU;
-
- ti0->lastTimeUsed = fxMesa->texBindNumber;
- ti1->lastTimeUsed = fxMesa->texBindNumber;
-
- /* Move texture maps into TMUs */
-
- if (!(((tstate & T0_IN_TMU0) && (tstate & T1_IN_TMU1)) ||
- ((tstate & T0_IN_TMU1) && (tstate & T1_IN_TMU0)))) {
- if (tObj0 == tObj1)
- fxTMMoveInTM_NoLock(fxMesa, tObj1, FX_TMU_BOTH);
- else {
- /* Find the minimal way to correct the situation */
- if ((tstate & T0_IN_TMU0) || (tstate & T1_IN_TMU1)) {
- /* We have one in the standard order, setup the other */
- if (tstate & T0_IN_TMU0) { /* T0 is in TMU0, put T1 in TMU1 */
- fxTMMoveInTM_NoLock(fxMesa, tObj1, FX_TMU1);
- }
- else {
- fxTMMoveInTM_NoLock(fxMesa, tObj0, FX_TMU0);
- }
- /* tmu0 and tmu1 are setup */
- }
- else if ((tstate & T0_IN_TMU1) || (tstate & T1_IN_TMU0)) {
- /* we have one in the reverse order, setup the other */
- if (tstate & T1_IN_TMU0) { /* T1 is in TMU0, put T0 in TMU1 */
- fxTMMoveInTM_NoLock(fxMesa, tObj0, FX_TMU1);
- }
- else {
- fxTMMoveInTM_NoLock(fxMesa, tObj1, FX_TMU0);
- }
- tmu0 = 1;
- tmu1 = 0;
- }
- else { /* Nothing is loaded */
- fxTMMoveInTM_NoLock(fxMesa, tObj0, FX_TMU0);
- fxTMMoveInTM_NoLock(fxMesa, tObj1, FX_TMU1);
- /* tmu0 and tmu1 are setup */
- }
- }
- }
-
- /* [dBorca] Hack alert:
- * we put these in reverse order, so that if we can't
- * do _REAL_ pointcast, the TMU0 table gets broadcasted
- */
- if (!fxMesa->haveGlobalPaletteTexture) {
- /* pointcast */
- if (ti1->info.format == GR_TEXFMT_P_8) {
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupDoubleTMU_NoLock: uploading texture palette for TMU1\n");
- }
- fxMesa->Glide.grTexDownloadTableExt(ti1->whichTMU, ti1->paltype, &(ti1->palette));
- }
- if (ti0->info.format == GR_TEXFMT_P_8) {
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupDoubleTMU_NoLock: uploading texture palette for TMU0\n");
- }
- fxMesa->Glide.grTexDownloadTableExt(ti0->whichTMU, ti0->paltype, &(ti0->palette));
- }
- }
-
- grTexSource(tmu0, ti0->tm[tmu0]->startAddr,
- GR_MIPMAPLEVELMASK_BOTH, &(ti0->info));
- grTexClampMode(tmu0, ti0->sClamp, ti0->tClamp);
- grTexFilterMode(tmu0, ti0->minFilt, ti0->maxFilt);
- grTexMipMapMode(tmu0, ti0->mmMode, FXFALSE);
-
- grTexSource(tmu1, ti1->tm[tmu1]->startAddr,
- GR_MIPMAPLEVELMASK_BOTH, &(ti1->info));
- grTexClampMode(tmu1, ti1->sClamp, ti1->tClamp);
- grTexFilterMode(tmu1, ti1->minFilt, ti1->maxFilt);
- grTexMipMapMode(tmu1, ti1->mmMode, FXFALSE);
-
-#undef T0_NOT_IN_TMU
-#undef T1_NOT_IN_TMU
-#undef T0_IN_TMU0
-#undef T1_IN_TMU0
-#undef T0_IN_TMU1
-#undef T1_IN_TMU1
-}
-
-static void
-fxSetupTextureDoubleTMU_NoLock(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- struct tdfx_combine alphaComb, colorComb;
- struct tdfx_texcombine tex0, tex1;
- GrCombineLocal_t localc, locala;
- tfxTexInfo *ti0, *ti1;
- struct gl_texture_object *tObj0 = ctx->Texture.Unit[1]._Current;
- struct gl_texture_object *tObj1 = ctx->Texture.Unit[0]._Current;
- GLuint envmode, ifmt, unitsmode;
- int tmu0 = 0, tmu1 = 1;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupTextureDoubleTMU_NoLock(...)\n");
- }
-
- ti0 = fxTMGetTexInfo(tObj0);
- fxTexValidate(ctx, tObj0);
-
- ti1 = fxTMGetTexInfo(tObj1);
- fxTexValidate(ctx, tObj1);
-
- fxSetupDoubleTMU_NoLock(fxMesa, tObj0, tObj1);
-
- unitsmode = fxGetTexSetConfiguration(ctx, tObj0, tObj1);
-
-/* if(fxMesa->lastUnitsMode==unitsmode) */
-/* return; */
-
- fxMesa->lastUnitsMode = unitsmode;
-
- fxMesa->stw_hint_state |= GR_STWHINT_ST_DIFF_TMU1;
- FX_grHints_NoLock(GR_HINT_STWHINT, fxMesa->stw_hint_state);
-
- envmode = unitsmode & FX_UM_E_ENVMODE;
- ifmt = unitsmode & FX_UM_E_IFMT;
-
- if (unitsmode & FX_UM_ALPHA_ITERATED)
- locala = GR_COMBINE_LOCAL_ITERATED;
- else
- locala = GR_COMBINE_LOCAL_CONSTANT;
-
- if (unitsmode & FX_UM_COLOR_ITERATED)
- localc = GR_COMBINE_LOCAL_ITERATED;
- else
- localc = GR_COMBINE_LOCAL_CONSTANT;
-
-
- if (TDFX_DEBUG & (VERBOSE_DRIVER | VERBOSE_TEXTURE))
- fprintf(stderr, "fxSetupTextureDoubleTMU_NoLock: envmode is %s/%s\n",
- _mesa_lookup_enum_by_nr(ctx->Texture.Unit[0].EnvMode),
- _mesa_lookup_enum_by_nr(ctx->Texture.Unit[1].EnvMode));
-
-
- if ((ti0->whichTMU == FX_TMU1) || (ti1->whichTMU == FX_TMU0)) {
- tmu0 = 1;
- tmu1 = 0;
- }
- fxMesa->tmuSrc = FX_TMU_BOTH;
-
- tex0.InvertRGB = FXFALSE;
- tex0.InvertAlpha = FXFALSE;
- tex1.InvertRGB = FXFALSE;
- tex1.InvertAlpha = FXFALSE;
- alphaComb.Local = locala;
- alphaComb.Invert = FXFALSE;
- colorComb.Local = localc;
- colorComb.Invert = FXFALSE;
-
- switch (envmode) {
- case (FX_UM_E0_MODULATE | FX_UM_E1_MODULATE):
- {
- GLboolean isalpha[FX_NUM_TMU];
-
- isalpha[tmu0] = (ti0->baseLevelInternalFormat == GL_ALPHA);
- isalpha[tmu1] = (ti1->baseLevelInternalFormat == GL_ALPHA);
-
- if (isalpha[FX_TMU1]) {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_ZERO;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
- tex1.InvertRGB = FXTRUE;
- } else {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
- }
-
- if (isalpha[FX_TMU0]) {
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorRGB = GR_COMBINE_FACTOR_ONE;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_LOCAL;
- } else {
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorRGB = GR_COMBINE_FACTOR_LOCAL;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_LOCAL;
- }
-
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_LOCAL;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
-
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_LOCAL;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
- break;
- }
- case (FX_UM_E0_REPLACE | FX_UM_E1_BLEND): /* Only for GLQuake */
- if (tmu0 == FX_TMU1) {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
- tex1.InvertRGB = FXTRUE;
-
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorRGB = GR_COMBINE_FACTOR_LOCAL;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_LOCAL;
- }
- else {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
-
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorRGB = GR_COMBINE_FACTOR_ONE_MINUS_LOCAL;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_ONE_MINUS_LOCAL;
- }
-
- alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- alphaComb.Factor = GR_COMBINE_FACTOR_NONE;
- alphaComb.Other = GR_COMBINE_OTHER_NONE;
-
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_ONE;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
- break;
- case (FX_UM_E0_REPLACE | FX_UM_E1_MODULATE): /* Quake 2 and 3 */
- if (tmu1 == FX_TMU1) {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_ZERO;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
- tex1.InvertAlpha = FXTRUE;
-
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorRGB = GR_COMBINE_FACTOR_LOCAL;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_LOCAL;
- }
- else {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
-
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorRGB = GR_COMBINE_FACTOR_LOCAL;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_ONE;
- }
-
- if (ti0->baseLevelInternalFormat == GL_RGB) {
- alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- alphaComb.Factor = GR_COMBINE_FACTOR_NONE;
- alphaComb.Other = GR_COMBINE_OTHER_NONE;
- } else {
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_ONE;
- alphaComb.Other = GR_COMBINE_OTHER_NONE;
- }
-
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_ONE;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
- break;
-
-
- case (FX_UM_E0_MODULATE | FX_UM_E1_ADD): /* Quake 3 Sky */
- {
- GLboolean isalpha[FX_NUM_TMU];
-
- isalpha[tmu0] = (ti0->baseLevelInternalFormat == GL_ALPHA);
- isalpha[tmu1] = (ti1->baseLevelInternalFormat == GL_ALPHA);
-
- if (isalpha[FX_TMU1]) {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_ZERO;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
- tex1.InvertRGB = FXTRUE;
- } else {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
- }
-
- if (isalpha[FX_TMU0]) {
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_SCALE_OTHER;
- tex0.FactorRGB = GR_COMBINE_FACTOR_ONE;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_ONE;
- } else {
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL;
- tex0.FactorRGB = GR_COMBINE_FACTOR_ONE;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_ONE;
- }
-
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_LOCAL;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
-
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_LOCAL;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
- break;
- }
-
- case (FX_UM_E0_REPLACE | FX_UM_E1_ADD): /* Vulpine Sky */
- {
- GLboolean isalpha[FX_NUM_TMU];
-
- isalpha[tmu0] = (ti0->baseLevelInternalFormat == GL_ALPHA);
- isalpha[tmu1] = (ti1->baseLevelInternalFormat == GL_ALPHA);
-
- if (isalpha[FX_TMU1]) {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_ZERO;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
- tex1.InvertRGB = FXTRUE;
- } else {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
- }
-
- if (isalpha[FX_TMU0]) {
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_SCALE_OTHER;
- tex0.FactorRGB = GR_COMBINE_FACTOR_ONE;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_ONE;
- } else {
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL;
- tex0.FactorRGB = GR_COMBINE_FACTOR_ONE;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_ONE;
- }
-
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_ONE;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
-
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_ONE;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
- break;
- }
-
- case (FX_UM_E0_MODULATE | FX_UM_E1_REPLACE): /* Homeworld2 */
- {
- tex1.FunctionRGB = GR_COMBINE_FUNCTION_ZERO;
- tex1.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex1.FunctionAlpha = GR_COMBINE_FUNCTION_ZERO;
- tex1.FactorAlpha = GR_COMBINE_FACTOR_NONE;
-
- tex0.FunctionRGB = GR_COMBINE_FUNCTION_LOCAL;
- tex0.FactorRGB = GR_COMBINE_FACTOR_NONE;
- tex0.FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL;
- tex0.FactorAlpha = GR_COMBINE_FACTOR_NONE;
-
- if (ifmt & (FX_UM_E0_RGB | FX_UM_E0_LUMINANCE)) {
- alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- alphaComb.Factor = GR_COMBINE_FACTOR_NONE;
- alphaComb.Other = GR_COMBINE_OTHER_NONE;
- } else {
- alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- alphaComb.Factor = GR_COMBINE_FACTOR_ONE;
- alphaComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
-
- if (ifmt & FX_UM_E0_ALPHA) {
- colorComb.Function = GR_COMBINE_FUNCTION_LOCAL;
- colorComb.Factor = GR_COMBINE_FACTOR_NONE;
- colorComb.Other = GR_COMBINE_OTHER_NONE;
- } else {
- colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER;
- colorComb.Factor = GR_COMBINE_FACTOR_ONE;
- colorComb.Other = GR_COMBINE_OTHER_TEXTURE;
- }
- break;
- }
- default:
- fprintf(stderr, "fxSetupTextureDoubleTMU_NoLock: Unexpected dual texture mode encountered\n");
- return;
- }
-
- grAlphaCombine(alphaComb.Function,
- alphaComb.Factor,
- alphaComb.Local,
- alphaComb.Other,
- alphaComb.Invert);
- grColorCombine(colorComb.Function,
- colorComb.Factor,
- colorComb.Local,
- colorComb.Other,
- colorComb.Invert);
- grTexCombine(GR_TMU0,
- tex0.FunctionRGB,
- tex0.FactorRGB,
- tex0.FunctionAlpha,
- tex0.FactorAlpha,
- tex0.InvertRGB,
- tex0.InvertAlpha);
- grTexCombine(GR_TMU1,
- tex1.FunctionRGB,
- tex1.FactorRGB,
- tex1.FunctionAlpha,
- tex1.FactorAlpha,
- tex1.InvertRGB,
- tex1.InvertAlpha);
-}
-
-/************************* No Texture ***************************/
-
-static void
-fxSetupTextureNone_NoLock(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- GrCombineLocal_t localc, locala;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupTextureNone_NoLock(...)\n");
- }
-
- if ((ctx->Light.ShadeModel == GL_SMOOTH) || 1 ||
- (ctx->Point.SmoothFlag) ||
- (ctx->Line.SmoothFlag) ||
- (ctx->Polygon.SmoothFlag)) locala = GR_COMBINE_LOCAL_ITERATED;
- else
- locala = GR_COMBINE_LOCAL_CONSTANT;
-
- if (ctx->Light.ShadeModel == GL_SMOOTH || 1)
- localc = GR_COMBINE_LOCAL_ITERATED;
- else
- localc = GR_COMBINE_LOCAL_CONSTANT;
-
- grAlphaCombine(GR_COMBINE_FUNCTION_LOCAL,
- GR_COMBINE_FACTOR_NONE,
- locala,
- GR_COMBINE_OTHER_NONE,
- FXFALSE);
-
- grColorCombine(GR_COMBINE_FUNCTION_LOCAL,
- GR_COMBINE_FACTOR_NONE,
- localc,
- GR_COMBINE_OTHER_NONE,
- FXFALSE);
-
- fxMesa->lastUnitsMode = FX_UM_NONE;
-}
-
-#include "fxsetup.h"
-
-/************************************************************************/
-/************************** Texture Mode SetUp **************************/
-/************************************************************************/
-
-static void
-fxSetupTexture_NoLock(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "fxSetupTexture_NoLock(...)\n");
- }
-
- if (fxMesa->HaveCmbExt) {
- /* Texture Combine, Color Combine and Alpha Combine. */
- if ((ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) &&
- (ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) &&
- fxMesa->haveTwoTMUs) {
- fxSetupTextureDoubleTMUNapalm_NoLock(ctx);
- }
- else if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) {
- fxSetupTextureSingleTMUNapalm_NoLock(ctx, 0);
- }
- else if (ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) {
- fxSetupTextureSingleTMUNapalm_NoLock(ctx, 1);
- }
- else {
- fxSetupTextureNoneNapalm_NoLock(ctx);
- }
- } else {
- /* Texture Combine, Color Combine and Alpha Combine. */
- if ((ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) &&
- (ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) &&
- fxMesa->haveTwoTMUs) {
- fxSetupTextureDoubleTMU_NoLock(ctx);
- }
- else if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) {
- fxSetupTextureSingleTMU_NoLock(ctx, 0);
- }
- else if (ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) {
- fxSetupTextureSingleTMU_NoLock(ctx, 1);
- }
- else {
- fxSetupTextureNone_NoLock(ctx);
- }
- }
-}
-
-void
-fxSetupTexture(GLcontext * ctx)
-{
- BEGIN_BOARD_LOCK();
- fxSetupTexture_NoLock(ctx);
- END_BOARD_LOCK();
-}
-
-/************************************************************************/
-/**************************** Blend SetUp *******************************/
-/************************************************************************/
-
-void
-fxDDBlendFuncSeparate(GLcontext * ctx, GLenum sfactor, GLenum dfactor, GLenum asfactor, GLenum adfactor)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
- GLboolean isNapalm = (fxMesa->type >= GR_SSTTYPE_Voodoo4);
- GLboolean have32bpp = (fxMesa->colDepth == 32);
- GLboolean haveAlpha = fxMesa->haveHwAlpha;
- GrAlphaBlendFnc_t sfact, dfact, asfact, adfact;
-
- /*
- * 15/16 BPP alpha channel alpha blending modes
- * 0x0 AZERO Zero
- * 0x4 AONE One
- *
- * 32 BPP alpha channel alpha blending modes
- * 0x0 AZERO Zero
- * 0x1 ASRC_ALPHA Source alpha
- * 0x3 ADST_ALPHA Destination alpha
- * 0x4 AONE One
- * 0x5 AOMSRC_ALPHA 1 - Source alpha
- * 0x7 AOMDST_ALPHA 1 - Destination alpha
- *
- * If we don't have HW alpha buffer:
- * DST_ALPHA == 1
- * ONE_MINUS_DST_ALPHA == 0
- * Unsupported modes are:
- * 1 if used as src blending factor
- * 0 if used as dst blending factor
- */
-
- switch (sfactor) {
- case GL_ZERO:
- sfact = GR_BLEND_ZERO;
- break;
- case GL_ONE:
- sfact = GR_BLEND_ONE;
- break;
- case GL_DST_COLOR:
- sfact = GR_BLEND_DST_COLOR;
- break;
- case GL_ONE_MINUS_DST_COLOR:
- sfact = GR_BLEND_ONE_MINUS_DST_COLOR;
- break;
- case GL_SRC_ALPHA:
- sfact = GR_BLEND_SRC_ALPHA;
- break;
- case GL_ONE_MINUS_SRC_ALPHA:
- sfact = GR_BLEND_ONE_MINUS_SRC_ALPHA;
- break;
- case GL_DST_ALPHA:
- sfact = haveAlpha ? GR_BLEND_DST_ALPHA : GR_BLEND_ONE/*bad*/;
- break;
- case GL_ONE_MINUS_DST_ALPHA:
- sfact = haveAlpha ? GR_BLEND_ONE_MINUS_DST_ALPHA : GR_BLEND_ZERO/*bad*/;
- break;
- case GL_SRC_ALPHA_SATURATE:
- sfact = GR_BLEND_ALPHA_SATURATE;
- break;
- case GL_SRC_COLOR:
- if (isNapalm) {
- sfact = GR_BLEND_SAME_COLOR_EXT;
- break;
- }
- case GL_ONE_MINUS_SRC_COLOR:
- if (isNapalm) {
- sfact = GR_BLEND_ONE_MINUS_SAME_COLOR_EXT;
- break;
- }
- default:
- sfact = GR_BLEND_ONE;
- break;
- }
-
- switch (asfactor) {
- case GL_ZERO:
- asfact = GR_BLEND_ZERO;
- break;
- case GL_ONE:
- asfact = GR_BLEND_ONE;
- break;
- case GL_SRC_COLOR:
- case GL_SRC_ALPHA:
- asfact = have32bpp ? GR_BLEND_SRC_ALPHA : GR_BLEND_ONE/*bad*/;
- break;
- case GL_ONE_MINUS_SRC_COLOR:
- case GL_ONE_MINUS_SRC_ALPHA:
- asfact = have32bpp ? GR_BLEND_ONE_MINUS_SRC_ALPHA : GR_BLEND_ONE/*bad*/;
- break;
- case GL_DST_COLOR:
- case GL_DST_ALPHA:
- asfact = (have32bpp && haveAlpha) ? GR_BLEND_DST_ALPHA : GR_BLEND_ONE/*bad*/;
- break;
- case GL_ONE_MINUS_DST_COLOR:
- case GL_ONE_MINUS_DST_ALPHA:
- asfact = (have32bpp && haveAlpha) ? GR_BLEND_ONE_MINUS_DST_ALPHA : GR_BLEND_ZERO/*bad*/;
- break;
- case GL_SRC_ALPHA_SATURATE:
- asfact = GR_BLEND_ONE;
- break;
- default:
- asfact = GR_BLEND_ONE;
- break;
- }
-
- switch (dfactor) {
- case GL_ZERO:
- dfact = GR_BLEND_ZERO;
- break;
- case GL_ONE:
- dfact = GR_BLEND_ONE;
- break;
- case GL_SRC_COLOR:
- dfact = GR_BLEND_SRC_COLOR;
- break;
- case GL_ONE_MINUS_SRC_COLOR:
- dfact = GR_BLEND_ONE_MINUS_SRC_COLOR;
- break;
- case GL_SRC_ALPHA:
- dfact = GR_BLEND_SRC_ALPHA;
- break;
- case GL_ONE_MINUS_SRC_ALPHA:
- dfact = GR_BLEND_ONE_MINUS_SRC_ALPHA;
- break;
- case GL_DST_ALPHA:
- dfact = haveAlpha ? GR_BLEND_DST_ALPHA : GR_BLEND_ONE/*bad*/;
- break;
- case GL_ONE_MINUS_DST_ALPHA:
- dfact = haveAlpha ? GR_BLEND_ONE_MINUS_DST_ALPHA : GR_BLEND_ZERO/*bad*/;
- break;
- case GL_DST_COLOR:
- if (isNapalm) {
- dfact = GR_BLEND_SAME_COLOR_EXT;
- break;
- }
- case GL_ONE_MINUS_DST_COLOR:
- if (isNapalm) {
- dfact = GR_BLEND_ONE_MINUS_SAME_COLOR_EXT;
- break;
- }
- default:
- dfact = GR_BLEND_ZERO;
- break;
- }
-
- switch (adfactor) {
- case GL_ZERO:
- adfact = GR_BLEND_ZERO;
- break;
- case GL_ONE:
- adfact = GR_BLEND_ONE;
- break;
- case GL_SRC_COLOR:
- case GL_SRC_ALPHA:
- adfact = have32bpp ? GR_BLEND_SRC_ALPHA : GR_BLEND_ZERO/*bad*/;
- break;
- case GL_ONE_MINUS_SRC_COLOR:
- case GL_ONE_MINUS_SRC_ALPHA:
- adfact = have32bpp ? GR_BLEND_ONE_MINUS_SRC_ALPHA : GR_BLEND_ZERO/*bad*/;
- break;
- case GL_DST_COLOR:
- case GL_DST_ALPHA:
- adfact = (have32bpp && haveAlpha) ? GR_BLEND_DST_ALPHA : GR_BLEND_ONE/*bad*/;
- break;
- case GL_ONE_MINUS_DST_COLOR:
- case GL_ONE_MINUS_DST_ALPHA:
- adfact = (have32bpp && haveAlpha) ? GR_BLEND_ONE_MINUS_DST_ALPHA : GR_BLEND_ZERO/*bad*/;
- break;
- default:
- adfact = GR_BLEND_ZERO;
- break;
- }
-
- if ((sfact != us->blendSrcFuncRGB) || (asfact != us->blendSrcFuncAlpha)) {
- us->blendSrcFuncRGB = sfact;
- us->blendSrcFuncAlpha = asfact;
- fxMesa->new_state |= FX_NEW_BLEND;
- }
-
- if ((dfact != us->blendDstFuncRGB) || (adfact != us->blendDstFuncAlpha)) {
- us->blendDstFuncRGB = dfact;
- us->blendDstFuncAlpha = adfact;
- fxMesa->new_state |= FX_NEW_BLEND;
- }
-}
-
-void
-fxDDBlendEquationSeparate(GLcontext * ctx, GLenum modeRGB, GLenum modeA)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
- GrAlphaBlendOp_t q;
-
- switch (modeRGB) {
- case GL_FUNC_ADD:
- q = GR_BLEND_OP_ADD;
- break;
- case GL_FUNC_SUBTRACT:
- q = GR_BLEND_OP_SUB;
- break;
- case GL_FUNC_REVERSE_SUBTRACT:
- q = GR_BLEND_OP_REVSUB;
- break;
- default:
- q = us->blendEqRGB;
- }
- if (q != us->blendEqRGB) {
- us->blendEqRGB = q;
- fxMesa->new_state |= FX_NEW_BLEND;
- }
-
- switch (modeA) {
- case GL_FUNC_ADD:
- q = GR_BLEND_OP_ADD;
- break;
- case GL_FUNC_SUBTRACT:
- q = GR_BLEND_OP_SUB;
- break;
- case GL_FUNC_REVERSE_SUBTRACT:
- q = GR_BLEND_OP_REVSUB;
- break;
- default:
- q = us->blendEqAlpha;
- }
- if (q != us->blendEqAlpha) {
- us->blendEqAlpha = q;
- fxMesa->new_state |= FX_NEW_BLEND;
- }
-}
-
-void
-fxSetupBlend(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (fxMesa->HavePixExt) {
- if (us->blendEnabled) {
- fxMesa->Glide.grAlphaBlendFunctionExt(us->blendSrcFuncRGB, us->blendDstFuncRGB,
- us->blendEqRGB,
- us->blendSrcFuncAlpha, us->blendDstFuncAlpha,
- us->blendEqAlpha);
- } else {
- fxMesa->Glide.grAlphaBlendFunctionExt(GR_BLEND_ONE, GR_BLEND_ZERO,
- GR_BLEND_OP_ADD,
- GR_BLEND_ONE, GR_BLEND_ZERO,
- GR_BLEND_OP_ADD);
- }
- } else {
- if (us->blendEnabled) {
- grAlphaBlendFunction(us->blendSrcFuncRGB, us->blendDstFuncRGB,
- us->blendSrcFuncAlpha, us->blendDstFuncAlpha);
- } else {
- grAlphaBlendFunction(GR_BLEND_ONE, GR_BLEND_ZERO,
- GR_BLEND_ONE, GR_BLEND_ZERO);
- }
- }
-}
-
-/************************************************************************/
-/************************** Alpha Test SetUp ****************************/
-/************************************************************************/
-
-void
-fxDDAlphaFunc(GLcontext * ctx, GLenum func, GLfloat ref)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (
- (us->alphaTestFunc != func)
- ||
- (us->alphaTestRefValue != ref)
- ) {
- us->alphaTestFunc = func;
- us->alphaTestRefValue = ref;
- fxMesa->new_state |= FX_NEW_ALPHA;
- }
-}
-
-static void
-fxSetupAlphaTest(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (us->alphaTestEnabled) {
- GrAlpha_t ref = (GLint) (us->alphaTestRefValue * 255.0);
- grAlphaTestFunction(us->alphaTestFunc - GL_NEVER + GR_CMP_NEVER);
- grAlphaTestReferenceValue(ref);
- }
- else
- grAlphaTestFunction(GR_CMP_ALWAYS);
-}
-
-/************************************************************************/
-/************************** Depth Test SetUp ****************************/
-/************************************************************************/
-
-void
-fxDDDepthFunc(GLcontext * ctx, GLenum func)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (us->depthTestFunc != func) {
- us->depthTestFunc = func;
- fxMesa->new_state |= FX_NEW_DEPTH;
- }
-}
-
-void
-fxDDDepthMask(GLcontext * ctx, GLboolean flag)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (flag != us->depthMask) {
- us->depthMask = flag;
- fxMesa->new_state |= FX_NEW_DEPTH;
- }
-}
-
-void
-fxSetupDepthTest(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (us->depthTestEnabled) {
- grDepthBufferFunction(us->depthTestFunc - GL_NEVER + GR_CMP_NEVER);
- grDepthMask(us->depthMask);
- }
- else {
- grDepthBufferFunction(GR_CMP_ALWAYS);
- grDepthMask(FXFALSE);
- }
-}
-
-/************************************************************************/
-/************************** Stencil SetUp *******************************/
-/************************************************************************/
-
-static GrStencil_t convertGLStencilOp( GLenum op )
-{
- switch ( op ) {
- case GL_KEEP:
- return GR_STENCILOP_KEEP;
- case GL_ZERO:
- return GR_STENCILOP_ZERO;
- case GL_REPLACE:
- return GR_STENCILOP_REPLACE;
- case GL_INCR:
- return GR_STENCILOP_INCR_CLAMP;
- case GL_DECR:
- return GR_STENCILOP_DECR_CLAMP;
- case GL_INVERT:
- return GR_STENCILOP_INVERT;
- case GL_INCR_WRAP_EXT:
- return GR_STENCILOP_INCR_WRAP;
- case GL_DECR_WRAP_EXT:
- return GR_STENCILOP_DECR_WRAP;
- default:
- _mesa_problem( NULL, "bad stencil op in convertGLStencilOp" );
- }
- return GR_STENCILOP_KEEP; /* never get, silence compiler warning */
-}
-
-void
-fxDDStencilFunc (GLcontext *ctx, GLenum func, GLint ref, GLuint mask)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (ctx->Stencil.ActiveFace) {
- return;
- }
-
- if (
- (us->stencilFunction != func)
- ||
- (us->stencilRefValue != ref)
- ||
- (us->stencilValueMask != mask)
- ) {
- us->stencilFunction = func;
- us->stencilRefValue = ref;
- us->stencilValueMask = mask;
- fxMesa->new_state |= FX_NEW_STENCIL;
- }
-}
-
-void
-fxDDStencilMask (GLcontext *ctx, GLuint mask)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (ctx->Stencil.ActiveFace) {
- return;
- }
-
- if (us->stencilWriteMask != mask) {
- us->stencilWriteMask = mask;
- fxMesa->new_state |= FX_NEW_STENCIL;
- }
-}
-
-void
-fxDDStencilOp (GLcontext *ctx, GLenum sfail, GLenum zfail, GLenum zpass)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (ctx->Stencil.ActiveFace) {
- return;
- }
-
- if (
- (us->stencilFailFunc != sfail)
- ||
- (us->stencilZFailFunc != zfail)
- ||
- (us->stencilZPassFunc != zpass)
- ) {
- us->stencilFailFunc = sfail;
- us->stencilZFailFunc = zfail;
- us->stencilZPassFunc = zpass;
- fxMesa->new_state |= FX_NEW_STENCIL;
- }
-}
-
-void
-fxSetupStencil (GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (us->stencilEnabled) {
- GrCmpFnc_t stencilFailFunc = GR_STENCILOP_KEEP;
- GrCmpFnc_t stencilZFailFunc = GR_STENCILOP_KEEP;
- GrCmpFnc_t stencilZPassFunc = GR_STENCILOP_KEEP;
- if (!fxMesa->multipass) {
- stencilFailFunc = convertGLStencilOp(us->stencilFailFunc);
- stencilZFailFunc = convertGLStencilOp(us->stencilZFailFunc);
- stencilZPassFunc = convertGLStencilOp(us->stencilZPassFunc);
- }
- grEnable(GR_STENCIL_MODE_EXT);
- fxMesa->Glide.grStencilOpExt(stencilFailFunc,
- stencilZFailFunc,
- stencilZPassFunc);
- fxMesa->Glide.grStencilFuncExt(us->stencilFunction - GL_NEVER + GR_CMP_NEVER,
- us->stencilRefValue,
- us->stencilValueMask);
- fxMesa->Glide.grStencilMaskExt(us->stencilWriteMask);
- } else {
- grDisable(GR_STENCIL_MODE_EXT);
- }
-}
-
-void
-fxSetupStencilFace (GLcontext * ctx, GLint face)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (us->stencilEnabled) {
- GrCmpFnc_t stencilFailFunc = GR_STENCILOP_KEEP;
- GrCmpFnc_t stencilZFailFunc = GR_STENCILOP_KEEP;
- GrCmpFnc_t stencilZPassFunc = GR_STENCILOP_KEEP;
- if (!fxMesa->multipass) {
- stencilFailFunc = convertGLStencilOp(ctx->Stencil.FailFunc[face]);
- stencilZFailFunc = convertGLStencilOp(ctx->Stencil.ZFailFunc[face]);
- stencilZPassFunc = convertGLStencilOp(ctx->Stencil.ZPassFunc[face]);
- }
- grEnable(GR_STENCIL_MODE_EXT);
- fxMesa->Glide.grStencilOpExt(stencilFailFunc,
- stencilZFailFunc,
- stencilZPassFunc);
- fxMesa->Glide.grStencilFuncExt(ctx->Stencil.Function[face] - GL_NEVER + GR_CMP_NEVER,
- ctx->Stencil.Ref[face],
- ctx->Stencil.ValueMask[face]);
- fxMesa->Glide.grStencilMaskExt(ctx->Stencil.WriteMask[face]);
- } else {
- grDisable(GR_STENCIL_MODE_EXT);
- }
-}
-
-/************************************************************************/
-/**************************** Color Mask SetUp **************************/
-/************************************************************************/
-
-void
-fxDDColorMask(GLcontext * ctx,
- GLboolean r, GLboolean g, GLboolean b, GLboolean a)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- fxMesa->new_state |= FX_NEW_COLOR_MASK;
- (void) r;
- (void) g;
- (void) b;
- (void) a;
-}
-
-void
-fxSetupColorMask(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
- if (fxMesa->colDepth == 32) {
- /* 32bpp mode */
- fxMesa->Glide.grColorMaskExt(ctx->Color.ColorMask[RCOMP],
- ctx->Color.ColorMask[GCOMP],
- ctx->Color.ColorMask[BCOMP],
- ctx->Color.ColorMask[ACOMP] && fxMesa->haveHwAlpha);
- }
- else {
- /* 15/16 bpp mode */
- grColorMask(ctx->Color.ColorMask[RCOMP] |
- ctx->Color.ColorMask[GCOMP] |
- ctx->Color.ColorMask[BCOMP],
- ctx->Color.ColorMask[ACOMP] && fxMesa->haveHwAlpha);
- }
-}
-
-
-
-
-/************************************************************************/
-/**************************** Fog Mode SetUp ****************************/
-/************************************************************************/
-
-/*
- * This is called during state update in order to update the Glide fog state.
- */
-static void
-fxSetupFog(GLcontext * ctx)
-{
- if (ctx->Fog.Enabled /*&& ctx->FogMode==FOG_FRAGMENT */ ) {
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
-
- /* update fog color */
- GLubyte col[4];
- col[0] = (unsigned int) (255 * ctx->Fog.Color[0]);
- col[1] = (unsigned int) (255 * ctx->Fog.Color[1]);
- col[2] = (unsigned int) (255 * ctx->Fog.Color[2]);
- col[3] = (unsigned int) (255 * ctx->Fog.Color[3]);
- grFogColorValue(FXCOLOR4(col));
-
- if (fxMesa->fogTableMode != ctx->Fog.Mode ||
- fxMesa->fogDensity != ctx->Fog.Density ||
- fxMesa->fogStart != ctx->Fog.Start ||
- fxMesa->fogEnd != ctx->Fog.End) {
- /* reload the fog table */
- switch (ctx->Fog.Mode) {
- case GL_LINEAR:
- guFogGenerateLinear(fxMesa->fogTable, ctx->Fog.Start,
- ctx->Fog.End);
- if (fxMesa->fogTable[0] > 63) {
- /* [dBorca] Hack alert:
- * As per Glide3 Programming Guide:
- * The difference between consecutive fog values
- * must be less than 64.
- */
- fxMesa->fogTable[0] = 63;
- }
- break;
- case GL_EXP:
- guFogGenerateExp(fxMesa->fogTable, ctx->Fog.Density);
- break;
- case GL_EXP2:
- guFogGenerateExp2(fxMesa->fogTable, ctx->Fog.Density);
- break;
- default:
- ;
- }
- fxMesa->fogTableMode = ctx->Fog.Mode;
- fxMesa->fogDensity = ctx->Fog.Density;
- fxMesa->fogStart = ctx->Fog.Start;
- fxMesa->fogEnd = ctx->Fog.End;
- }
-
- grFogTable(fxMesa->fogTable);
- if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) {
- grVertexLayout(GR_PARAM_FOG_EXT, GR_VERTEX_FOG_OFFSET << 2,
- GR_PARAM_ENABLE);
- grFogMode(GR_FOG_WITH_TABLE_ON_FOGCOORD_EXT);
- } else {
- grVertexLayout(GR_PARAM_FOG_EXT, GR_VERTEX_FOG_OFFSET << 2,
- GR_PARAM_DISABLE);
- grFogMode(GR_FOG_WITH_TABLE_ON_Q);
- }
- }
- else {
- grFogMode(GR_FOG_DISABLE);
- }
-}
-
-void
-fxDDFogfv(GLcontext * ctx, GLenum pname, const GLfloat * params)
-{
- FX_CONTEXT(ctx)->new_state |= FX_NEW_FOG;
- switch (pname) {
- case GL_FOG_COORDINATE_SOURCE_EXT: {
- GLenum p = (GLenum)*params;
- if (p == GL_FOG_COORDINATE_EXT) {
- _swrast_allow_vertex_fog(ctx, GL_TRUE);
- _swrast_allow_pixel_fog(ctx, GL_FALSE);
- _tnl_allow_vertex_fog( ctx, GL_TRUE);
- _tnl_allow_pixel_fog( ctx, GL_FALSE);
- } else {
- _swrast_allow_vertex_fog(ctx, GL_FALSE);
- _swrast_allow_pixel_fog(ctx, GL_TRUE);
- _tnl_allow_vertex_fog( ctx, GL_FALSE);
- _tnl_allow_pixel_fog( ctx, GL_TRUE);
- }
- break;
- }
- default:
- ;
- }
-}
-
-/************************************************************************/
-/************************** Scissor Test SetUp **************************/
-/************************************************************************/
-
-/* This routine is used in managing the lock state, and therefore can't lock */
-void
-fxSetScissorValues(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- int xmin, xmax;
- int ymin, ymax;
-
- if (ctx->Scissor.Enabled) {
- xmin = ctx->Scissor.X;
- xmax = ctx->Scissor.X + ctx->Scissor.Width;
- ymin = ctx->Scissor.Y;
- ymax = ctx->Scissor.Y + ctx->Scissor.Height;
-
- if (xmin < 0)
- xmin = 0;
- if (xmax > fxMesa->width)
- xmax = fxMesa->width;
- if (ymin < fxMesa->screen_height - fxMesa->height)
- ymin = fxMesa->screen_height - fxMesa->height;
- if (ymax > fxMesa->screen_height - 0)
- ymax = fxMesa->screen_height - 0;
- }
- else {
- xmin = 0;
- ymin = 0;
- xmax = fxMesa->width;
- ymax = fxMesa->height;
- }
-
- fxMesa->clipMinX = xmin;
- fxMesa->clipMinY = ymin;
- fxMesa->clipMaxX = xmax;
- fxMesa->clipMaxY = ymax;
- grClipWindow(xmin, ymin, xmax, ymax);
-}
-
-void
-fxSetupScissor(GLcontext * ctx)
-{
- BEGIN_BOARD_LOCK();
- fxSetScissorValues(ctx);
- END_BOARD_LOCK();
-}
-
-void
-fxDDScissor(GLcontext * ctx, GLint x, GLint y, GLsizei w, GLsizei h)
-{
- FX_CONTEXT(ctx)->new_state |= FX_NEW_SCISSOR;
-}
-
-/************************************************************************/
-/*************************** Cull mode setup ****************************/
-/************************************************************************/
-
-
-void
-fxDDCullFace(GLcontext * ctx, GLenum mode)
-{
- (void) mode;
- FX_CONTEXT(ctx)->new_state |= FX_NEW_CULL;
-}
-
-void
-fxDDFrontFace(GLcontext * ctx, GLenum mode)
-{
- (void) mode;
- FX_CONTEXT(ctx)->new_state |= FX_NEW_CULL;
-}
-
-
-void
-fxSetupCull(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- GrCullMode_t mode = GR_CULL_DISABLE;
-
- if (ctx->Polygon.CullFlag && (fxMesa->raster_primitive == GL_TRIANGLES)) {
- switch (ctx->Polygon.CullFaceMode) {
- case GL_BACK:
- if (ctx->Polygon.FrontFace == GL_CCW)
- mode = GR_CULL_NEGATIVE;
- else
- mode = GR_CULL_POSITIVE;
- break;
- case GL_FRONT:
- if (ctx->Polygon.FrontFace == GL_CCW)
- mode = GR_CULL_POSITIVE;
- else
- mode = GR_CULL_NEGATIVE;
- break;
- case GL_FRONT_AND_BACK:
- /* Handled as a fallback on triangles in tdfx_tris.c */
- return;
- default:
- ASSERT(0);
- break;
- }
- }
-
- if (fxMesa->cullMode != mode) {
- fxMesa->cullMode = mode;
- grCullMode(mode);
- }
-}
-
-
-/************************************************************************/
-/****************************** DD Enable ******************************/
-/************************************************************************/
-
-void
-fxDDEnable(GLcontext * ctx, GLenum cap, GLboolean state)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- tfxUnitsState *us = &fxMesa->unitsState;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER) {
- fprintf(stderr, "%s(%s)\n", state ? "fxDDEnable" : "fxDDDisable",
- _mesa_lookup_enum_by_nr(cap));
- }
-
- switch (cap) {
- case GL_ALPHA_TEST:
- if (state != us->alphaTestEnabled) {
- us->alphaTestEnabled = state;
- fxMesa->new_state |= FX_NEW_ALPHA;
- }
- break;
- case GL_BLEND:
- if (state != us->blendEnabled) {
- us->blendEnabled = state;
- fxMesa->new_state |= FX_NEW_BLEND;
- }
- break;
- case GL_DEPTH_TEST:
- if (state != us->depthTestEnabled) {
- us->depthTestEnabled = state;
- fxMesa->new_state |= FX_NEW_DEPTH;
- }
- break;
- case GL_STENCIL_TEST:
- if (fxMesa->haveHwStencil && state != us->stencilEnabled) {
- us->stencilEnabled = state;
- fxMesa->new_state |= FX_NEW_STENCIL;
- }
- break;
- case GL_DITHER:
- if (state) {
- grDitherMode(GR_DITHER_4x4);
- }
- else {
- grDitherMode(GR_DITHER_DISABLE);
- }
- break;
- case GL_SCISSOR_TEST:
- fxMesa->new_state |= FX_NEW_SCISSOR;
- break;
- case GL_SHARED_TEXTURE_PALETTE_EXT:
- fxDDTexUseGlbPalette(ctx, state);
- break;
- case GL_FOG:
- fxMesa->new_state |= FX_NEW_FOG;
- break;
- case GL_CULL_FACE:
- fxMesa->new_state |= FX_NEW_CULL;
- break;
- case GL_LINE_SMOOTH:
- case GL_LINE_STIPPLE:
- case GL_POINT_SMOOTH:
- case GL_POLYGON_SMOOTH:
- case GL_TEXTURE_1D:
- case GL_TEXTURE_2D:
- fxMesa->new_state |= FX_NEW_TEXTURING;
- break;
- default:
- ; /* XXX no-op? */
- }
-}
-
-
-
-
-/************************************************************************/
-/************************** Changes to units state **********************/
-/************************************************************************/
-
-
-/* All units setup is handled under texture setup.
- */
-void
-fxDDShadeModel(GLcontext * ctx, GLenum mode)
-{
- FX_CONTEXT(ctx)->new_state |= FX_NEW_TEXTURING;
-}
-
-
-
-/************************************************************************/
-/****************************** Units SetUp *****************************/
-/************************************************************************/
-static void
-fx_print_state_flags(const char *msg, GLuint flags)
-{
- fprintf(stderr,
- "%s: (0x%x) %s%s%s%s%s%s%s%s\n",
- msg,
- flags,
- (flags & FX_NEW_TEXTURING) ? "texture, " : "",
- (flags & FX_NEW_BLEND) ? "blend, " : "",
- (flags & FX_NEW_ALPHA) ? "alpha, " : "",
- (flags & FX_NEW_FOG) ? "fog, " : "",
- (flags & FX_NEW_SCISSOR) ? "scissor, " : "",
- (flags & FX_NEW_COLOR_MASK) ? "colormask, " : "",
- (flags & FX_NEW_CULL) ? "cull, " : "",
- (flags & FX_NEW_STENCIL) ? "stencil, " : "");
-}
-
-void
-fxSetupFXUnits(GLcontext * ctx)
-{
- fxMesaContext fxMesa = FX_CONTEXT(ctx);
- GLuint newstate = fxMesa->new_state;
-
- if (TDFX_DEBUG & VERBOSE_DRIVER)
- fx_print_state_flags("fxSetupFXUnits", newstate);
-
- if (newstate) {
- if (newstate & FX_NEW_TEXTURING)
- fxSetupTexture(ctx);
-
- if (newstate & FX_NEW_BLEND)
- fxSetupBlend(ctx);
-
- if (newstate & FX_NEW_ALPHA)
- fxSetupAlphaTest(ctx);
-
- if (newstate & FX_NEW_DEPTH)
- fxSetupDepthTest(ctx);
-
- if (newstate & FX_NEW_STENCIL)
- fxSetupStencil(ctx);
-
- if (newstate & FX_NEW_FOG)
- fxSetupFog(ctx);
-
- if (newstate & FX_NEW_SCISSOR)
- fxSetupScissor(ctx);
-
- if (newstate & FX_NEW_COLOR_MASK)
- fxSetupColorMask(ctx);
-
- if (newstate & FX_NEW_CULL)
- fxSetupCull(ctx);
-
- fxMesa->new_state = 0;
- }
-}
-
-
-
-#else
-
-
-/*
- * Need this to provide at least one external definition.
- */
-
-extern int gl_fx_dummy_function_setup(void);
-int
-gl_fx_dummy_function_setup(void)
-{
- return 0;
-}
-
-#endif /* FX */