diff options
Diffstat (limited to 'src/mesa/drivers/glide/fxsetup.c')
| -rw-r--r-- | src/mesa/drivers/glide/fxsetup.c | 2220 |
1 files changed, 0 insertions, 2220 deletions
diff --git a/src/mesa/drivers/glide/fxsetup.c b/src/mesa/drivers/glide/fxsetup.c deleted file mode 100644 index 9bb352fcb8..0000000000 --- a/src/mesa/drivers/glide/fxsetup.c +++ /dev/null @@ -1,2220 +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 "main/enums.h" -#include "main/formats.h" -#include "main/texstore.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "swrast/swrast.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 = _mesa_get_format_bytes(texImage->TexFormat->MesaFormat); - 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 = 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*/ ); - 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 -fxDDStencilFuncSeparate (GLcontext *ctx, GLenum face, 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 -fxDDStencilMaskSeparate (GLcontext *ctx, GLenum face, 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 -fxDDStencilOpSeparate (GLcontext *ctx, GLenum face, 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 */ |