diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_texstate.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_texstate.c | 2209 |
1 files changed, 0 insertions, 2209 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_texstate.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_texstate.c deleted file mode 100644 index 7059b56e3..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_texstate.c +++ /dev/null @@ -1,2209 +0,0 @@ -/* -*- mode: c; c-basic-offset: 3 -*- - * - * Copyright 2000 VA Linux Systems Inc., Fremont, California. - * - * 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 (including the next - * paragraph) 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 - * VA LINUX SYSTEMS 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. - */ -/* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/tdfx_texstate.c,v 1.2 2002/02/22 21:45:04 dawes Exp $ */ - -/* - * New fixes: - * Daniel Borca <dborca@users.sourceforge.net>, 19 Jul 2004 - * - * Original rewrite: - * Gareth Hughes <gareth@valinux.com>, 29 Sep - 1 Oct 2000 - * - * Authors: - * Gareth Hughes <gareth@valinux.com> - * Brian Paul <brianp@valinux.com> - * - */ - -#include "tdfx_state.h" -#include "tdfx_tex.h" -#include "tdfx_texman.h" -#include "tdfx_texstate.h" - - -/* ============================================================= - * Texture - */ - -/* - * These macros are used below when handling COMBINE_EXT. - */ -#define TEXENV_OPERAND_INVERTED(operand) \ - (((operand) == GL_ONE_MINUS_SRC_ALPHA) \ - || ((operand) == GL_ONE_MINUS_SRC_COLOR)) -#define TEXENV_OPERAND_ALPHA(operand) \ - (((operand) == GL_SRC_ALPHA) || ((operand) == GL_ONE_MINUS_SRC_ALPHA)) -#define TEXENV_SETUP_ARG_A(param, source, operand, iteratedAlpha) \ - switch (source) { \ - case GL_TEXTURE: \ - param = GR_CMBX_LOCAL_TEXTURE_ALPHA; \ - break; \ - case GL_CONSTANT_EXT: \ - param = GR_CMBX_TMU_CALPHA; \ - break; \ - case GL_PRIMARY_COLOR_EXT: \ - param = GR_CMBX_ITALPHA; \ - break; \ - case GL_PREVIOUS_EXT: \ - param = iteratedAlpha; \ - break; \ - default: \ - /* \ - * This is here just to keep from getting \ - * compiler warnings. \ - */ \ - param = GR_CMBX_ZERO; \ - break; \ - } - -#define TEXENV_SETUP_ARG_RGB(param, source, operand, iteratedColor, iteratedAlpha) \ - if (!TEXENV_OPERAND_ALPHA(operand)) { \ - switch (source) { \ - case GL_TEXTURE: \ - param = GR_CMBX_LOCAL_TEXTURE_RGB; \ - break; \ - case GL_CONSTANT_EXT: \ - param = GR_CMBX_TMU_CCOLOR; \ - break; \ - case GL_PRIMARY_COLOR_EXT: \ - param = GR_CMBX_ITRGB; \ - break; \ - case GL_PREVIOUS_EXT: \ - param = iteratedColor; \ - break; \ - default: \ - /* \ - * This is here just to keep from getting \ - * compiler warnings. \ - */ \ - param = GR_CMBX_ZERO; \ - break; \ - } \ - } else { \ - switch (source) { \ - case GL_TEXTURE: \ - param = GR_CMBX_LOCAL_TEXTURE_ALPHA; \ - break; \ - case GL_CONSTANT_EXT: \ - param = GR_CMBX_TMU_CALPHA; \ - break; \ - case GL_PRIMARY_COLOR_EXT: \ - param = GR_CMBX_ITALPHA; \ - break; \ - case GL_PREVIOUS_EXT: \ - param = iteratedAlpha; \ - break; \ - default: \ - /* \ - * This is here just to keep from getting \ - * compiler warnings. \ - */ \ - param = GR_CMBX_ZERO; \ - break; \ - } \ - } - -#define TEXENV_SETUP_MODE_RGB(param, operand) \ - switch (operand) { \ - case GL_SRC_COLOR: \ - case GL_SRC_ALPHA: \ - param = GR_FUNC_MODE_X; \ - break; \ - case GL_ONE_MINUS_SRC_ALPHA: \ - case GL_ONE_MINUS_SRC_COLOR: \ - param = GR_FUNC_MODE_ONE_MINUS_X; \ - break; \ - default: \ - param = GR_FUNC_MODE_ZERO; \ - break; \ - } - -#define TEXENV_SETUP_MODE_A(param, operand) \ - switch (operand) { \ - case GL_SRC_ALPHA: \ - param = GR_FUNC_MODE_X; \ - break; \ - case GL_ONE_MINUS_SRC_ALPHA: \ - param = GR_FUNC_MODE_ONE_MINUS_X; \ - break; \ - default: \ - param = GR_FUNC_MODE_ZERO; \ - break; \ - } - - - -/* - * Setup a texture environment on Voodoo5. - * Return GL_TRUE for success, GL_FALSE for failure. - * If we fail, we'll have to use software rendering. - */ -static GLboolean -SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, - const struct gl_texture_unit *texUnit, GLenum baseFormat, - struct tdfx_texcombine_ext *env) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - GrTCCUColor_t incomingRGB, incomingAlpha; - const GLenum envMode = texUnit->EnvMode; - - if (useIteratedRGBA) { - incomingRGB = GR_CMBX_ITRGB; - incomingAlpha = GR_CMBX_ITALPHA; - } - else { - incomingRGB = GR_CMBX_OTHER_TEXTURE_RGB; - incomingAlpha = GR_CMBX_OTHER_TEXTURE_ALPHA; - } - - /* invariant: */ - env->Color.Shift = 0; - env->Color.Invert = FXFALSE; - env->Alpha.Shift = 0; - env->Alpha.Invert = FXFALSE; - - switch (envMode) { - case GL_REPLACE: - /* -- Setup RGB combiner */ - if (baseFormat == GL_ALPHA) { - /* Rv = Rf */ - env->Color.SourceA = incomingRGB; - } - else { - /* Rv = Rt */ - env->Color.SourceA = GR_CMBX_LOCAL_TEXTURE_RGB; - } - env->Color.ModeA = GR_FUNC_MODE_X; - env->Color.SourceB = GR_CMBX_ZERO; - env->Color.ModeB = GR_FUNC_MODE_ZERO; - env->Color.SourceC = GR_CMBX_ZERO; - env->Color.InvertC = FXTRUE; - env->Color.SourceD = GR_CMBX_ZERO; - env->Color.InvertD = FXFALSE; - /* -- Setup Alpha combiner */ - if (baseFormat == GL_LUMINANCE || baseFormat == GL_RGB) { - /* Av = Af */ - env->Alpha.SourceD = incomingAlpha; - } - else { - /* Av = At */ - env->Alpha.SourceD = GR_CMBX_LOCAL_TEXTURE_ALPHA; - } - env->Alpha.SourceA = GR_CMBX_ITALPHA; - env->Alpha.ModeA = GR_FUNC_MODE_ZERO; - env->Alpha.SourceB = GR_CMBX_ITALPHA; - env->Alpha.ModeB = GR_FUNC_MODE_ZERO; - env->Alpha.SourceC = GR_CMBX_ZERO; - env->Alpha.InvertC = FXFALSE; - env->Alpha.InvertD = FXFALSE; - break; - - case GL_MODULATE: - /* -- Setup RGB combiner */ - if (baseFormat == GL_ALPHA) { - /* Rv = Rf */ - env->Color.SourceC = GR_CMBX_ZERO; - env->Color.InvertC = FXTRUE; - } - else { - /* Result = Frag * Tex */ - env->Color.SourceC = GR_CMBX_LOCAL_TEXTURE_RGB; - env->Color.InvertC = FXFALSE; - } - env->Color.SourceA = incomingRGB; - env->Color.ModeA = GR_FUNC_MODE_X; - env->Color.SourceB = GR_CMBX_ZERO; - env->Color.ModeB = GR_FUNC_MODE_ZERO; - env->Color.SourceD = GR_CMBX_ZERO; - env->Color.InvertD = FXFALSE; - /* -- Setup Alpha combiner */ - if (baseFormat == GL_LUMINANCE || baseFormat == GL_RGB) { - /* Av = Af */ - env->Alpha.SourceA = incomingAlpha; - env->Alpha.SourceC = GR_CMBX_ZERO; - env->Alpha.InvertC = FXTRUE; - } - else { - /* Av = Af * At */ - env->Alpha.SourceA = GR_CMBX_LOCAL_TEXTURE_ALPHA; - env->Alpha.SourceC = incomingAlpha; - env->Alpha.InvertC = FXFALSE; - } - env->Alpha.ModeA = GR_FUNC_MODE_X; - env->Alpha.SourceB = GR_CMBX_ITALPHA; - env->Alpha.ModeB = GR_FUNC_MODE_ZERO; - env->Alpha.SourceD = GR_CMBX_ZERO; - env->Alpha.InvertD = FXFALSE; - break; - - case GL_DECAL: - /* -- Setup RGB combiner */ - if (baseFormat == GL_RGB) { - /* Rv = Rt */ - env->Color.SourceB = GR_CMBX_ZERO; - env->Color.ModeB = GR_FUNC_MODE_X; - env->Color.SourceC = GR_CMBX_ZERO; - env->Color.InvertC = FXTRUE; - env->Color.SourceD = GR_CMBX_ZERO; - env->Color.InvertD = FXFALSE; - } - else { - /* Rv = Rf * (1 - At) + Rt * At */ - env->Color.SourceB = incomingRGB; - env->Color.ModeB = GR_FUNC_MODE_NEGATIVE_X; - env->Color.SourceC = GR_CMBX_LOCAL_TEXTURE_ALPHA; - env->Color.InvertC = FXFALSE; - env->Color.SourceD = GR_CMBX_B; - env->Color.InvertD = FXFALSE; - } - env->Color.SourceA = GR_CMBX_LOCAL_TEXTURE_RGB; - env->Color.ModeA = GR_FUNC_MODE_X; - /* -- Setup Alpha combiner */ - /* Av = Af */ - env->Alpha.SourceA = incomingAlpha; - env->Alpha.ModeA = GR_FUNC_MODE_X; - env->Alpha.SourceB = GR_CMBX_ITALPHA; - env->Alpha.ModeB = GR_FUNC_MODE_ZERO; - env->Alpha.SourceC = GR_CMBX_ZERO; - env->Alpha.InvertC = FXTRUE; - env->Alpha.SourceD = GR_CMBX_ZERO; - env->Alpha.InvertD = FXFALSE; - break; - - case GL_BLEND: - /* -- Setup RGB combiner */ - if (baseFormat == GL_ALPHA) { - /* Rv = Rf */ - env->Color.SourceA = incomingRGB; - env->Color.ModeA = GR_FUNC_MODE_X; - env->Color.SourceB = GR_CMBX_ZERO; - env->Color.ModeB = GR_FUNC_MODE_ZERO; - env->Color.SourceC = GR_CMBX_ZERO; - env->Color.InvertC = FXTRUE; - env->Color.SourceD = GR_CMBX_ZERO; - env->Color.InvertD = FXFALSE; - } - else { - /* Rv = Rf * (1 - Rt) + Rc * Rt */ - env->Color.SourceA = GR_CMBX_TMU_CCOLOR; - env->Color.ModeA = GR_FUNC_MODE_X; - env->Color.SourceB = incomingRGB; - env->Color.ModeB = GR_FUNC_MODE_NEGATIVE_X; - env->Color.SourceC = GR_CMBX_LOCAL_TEXTURE_RGB; - env->Color.InvertC = FXFALSE; - env->Color.SourceD = GR_CMBX_B; - env->Color.InvertD = FXFALSE; - } - /* -- Setup Alpha combiner */ - if (baseFormat == GL_LUMINANCE || baseFormat == GL_RGB) { - /* Av = Af */ - env->Alpha.SourceA = incomingAlpha; - env->Alpha.ModeA = GR_FUNC_MODE_X; - env->Alpha.SourceB = GR_CMBX_ZERO; - env->Alpha.ModeB = GR_FUNC_MODE_ZERO; - env->Alpha.SourceC = GR_CMBX_ZERO; - env->Alpha.InvertC = FXTRUE; - env->Alpha.SourceD = GR_CMBX_ZERO; - env->Alpha.InvertD = FXFALSE; - } - else if (baseFormat == GL_INTENSITY) { - /* Av = Af * (1 - It) + Ac * It */ - env->Alpha.SourceA = GR_CMBX_TMU_CALPHA; - env->Alpha.ModeA = GR_FUNC_MODE_X; - env->Alpha.SourceB = incomingAlpha; - env->Alpha.ModeB = GR_FUNC_MODE_NEGATIVE_X; - env->Alpha.SourceC = GR_CMBX_LOCAL_TEXTURE_ALPHA; - env->Alpha.InvertC = FXFALSE; - env->Alpha.SourceD = GR_CMBX_B; - env->Alpha.InvertD = FXFALSE; - } - else { - /* Av = Af * At */ - env->Alpha.SourceA = GR_CMBX_LOCAL_TEXTURE_ALPHA; - env->Alpha.ModeA = GR_FUNC_MODE_X; - env->Alpha.SourceB = GR_CMBX_ITALPHA; - env->Alpha.ModeB = GR_FUNC_MODE_ZERO; - env->Alpha.SourceC = incomingAlpha; - env->Alpha.InvertC = FXFALSE; - env->Alpha.SourceD = GR_CMBX_ZERO; - env->Alpha.InvertD = FXFALSE; - } - /* Also have to set up the tex env constant color */ - env->EnvColor = PACK_RGBA32(texUnit->EnvColor[0] * 255.0F, - texUnit->EnvColor[1] * 255.0F, - texUnit->EnvColor[2] * 255.0F, - texUnit->EnvColor[3] * 255.0F); - break; - case GL_ADD: - /* -- Setup RGB combiner */ - if (baseFormat == GL_ALPHA) { - /* Rv = Rf */ - env->Color.SourceB = GR_CMBX_ZERO; - env->Color.ModeB = GR_FUNC_MODE_ZERO; - } - else { - /* Rv = Rf + Tt */ - env->Color.SourceB = GR_CMBX_LOCAL_TEXTURE_RGB; - env->Color.ModeB = GR_FUNC_MODE_X; - } - env->Color.SourceA = incomingRGB; - env->Color.ModeA = GR_FUNC_MODE_X; - env->Color.SourceC = GR_CMBX_ZERO; - env->Color.InvertC = FXTRUE; - env->Color.SourceD = GR_CMBX_ZERO; - env->Color.InvertD = FXFALSE; - /* -- Setup Alpha combiner */ - if (baseFormat == GL_LUMINANCE || baseFormat == GL_RGB) { - /* Av = Af */ - env->Alpha.SourceA = incomingAlpha; - env->Alpha.SourceB = GR_CMBX_ITALPHA; - env->Alpha.ModeB = GR_FUNC_MODE_ZERO; - env->Alpha.SourceC = GR_CMBX_ZERO; - env->Alpha.InvertC = FXTRUE; - - } - else if (baseFormat == GL_INTENSITY) { - /* Av = Af + It */ - env->Alpha.SourceA = incomingAlpha; - env->Alpha.SourceB = GR_CMBX_LOCAL_TEXTURE_ALPHA; - env->Alpha.ModeB = GR_FUNC_MODE_X; - env->Alpha.SourceC = GR_CMBX_ZERO; - env->Alpha.InvertC = FXTRUE; - } - else { - /* Av = Af * At */ - env->Alpha.SourceA = GR_CMBX_LOCAL_TEXTURE_ALPHA; - env->Alpha.SourceB = GR_CMBX_ITALPHA; - env->Alpha.ModeB = GR_FUNC_MODE_ZERO; - env->Alpha.SourceC = incomingAlpha; - env->Alpha.InvertC = FXFALSE; - } - env->Alpha.ModeA = GR_FUNC_MODE_X; - env->Alpha.SourceD = GR_CMBX_ZERO; - env->Alpha.InvertD = FXFALSE; - break; - - case GL_COMBINE_EXT: - { - FxU32 A_RGB, B_RGB, C_RGB, D_RGB; - FxU32 Amode_RGB, Bmode_RGB; - FxBool Cinv_RGB, Dinv_RGB, Ginv_RGB; - FxU32 Shift_RGB; - FxU32 A_A, B_A, C_A, D_A; - FxU32 Amode_A, Bmode_A; - FxBool Cinv_A, Dinv_A, Ginv_A; - FxU32 Shift_A; - - /* - * - * In the formulas below, we write: - * o "1(x)" for the identity function applied to x, - * so 1(x) = x. - * o "0(x)" for the constant function 0, so - * 0(x) = 0 for all values of x. - * - * Calculate the color combination. - */ - Shift_RGB = texUnit->Combine.ScaleShiftRGB; - Shift_A = texUnit->Combine.ScaleShiftA; - switch (texUnit->Combine.ModeRGB) { - case GL_REPLACE: - /* - * The formula is: Arg0 - * We implement this by the formula: - * (Arg0 + 0(0))*(1-0) + 0 - */ - TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->Combine.SourceRGB[0], - texUnit->Combine.OperandRGB[0], - incomingRGB, incomingAlpha); - TEXENV_SETUP_MODE_RGB(Amode_RGB, - texUnit->Combine.OperandRGB[0]); - B_RGB = C_RGB = D_RGB = GR_CMBX_ZERO; - Bmode_RGB = GR_FUNC_MODE_ZERO; - Cinv_RGB = FXTRUE; - Dinv_RGB = Ginv_RGB = FXFALSE; - break; - case GL_MODULATE: - /* - * The formula is: Arg0 * Arg1 - * - * We implement this by the formula - * (Arg0 + 0(0)) * Arg1 + 0(0) - */ - TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->Combine.SourceRGB[0], - texUnit->Combine.OperandRGB[0], - incomingRGB, incomingAlpha); - TEXENV_SETUP_MODE_RGB(Amode_RGB, - texUnit->Combine.OperandRGB[0]); - B_RGB = GR_CMBX_ZERO; - Bmode_RGB = GR_CMBX_ZERO; - TEXENV_SETUP_ARG_RGB(C_RGB, - texUnit->Combine.SourceRGB[1], - texUnit->Combine.OperandRGB[1], - incomingRGB, incomingAlpha); - Cinv_RGB = TEXENV_OPERAND_INVERTED - (texUnit->Combine.OperandRGB[1]); - D_RGB = GR_CMBX_ZERO; - Dinv_RGB = Ginv_RGB = FXFALSE; - break; - case GL_ADD: - /* - * The formula is Arg0 + Arg1 - */ - TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->Combine.SourceRGB[0], - texUnit->Combine.OperandRGB[0], - incomingRGB, incomingAlpha); - TEXENV_SETUP_MODE_RGB(Amode_RGB, - texUnit->Combine.OperandRGB[0]); - TEXENV_SETUP_ARG_RGB(B_RGB, - texUnit->Combine.SourceRGB[1], - texUnit->Combine.OperandRGB[1], - incomingRGB, incomingAlpha); - TEXENV_SETUP_MODE_RGB(Bmode_RGB, - texUnit->Combine.OperandRGB[1]); - C_RGB = D_RGB = GR_CMBX_ZERO; - Cinv_RGB = FXTRUE; - Dinv_RGB = Ginv_RGB = FXFALSE; - break; - case GL_ADD_SIGNED_EXT: - /* - * The formula is: Arg0 + Arg1 - 0.5. - * We compute this by calculating: - * (Arg0 - 1/2) + Arg1 if op0 is SRC_{COLOR,ALPHA} - * Arg0 + (Arg1 - 1/2) if op1 is SRC_{COLOR,ALPHA} - * If both op0 and op1 are ONE_MINUS_SRC_{COLOR,ALPHA} - * we cannot implement the formula properly. - */ - TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->Combine.SourceRGB[0], - texUnit->Combine.OperandRGB[0], - incomingRGB, incomingAlpha); - TEXENV_SETUP_ARG_RGB(B_RGB, - texUnit->Combine.SourceRGB[1], - texUnit->Combine.OperandRGB[1], - incomingRGB, incomingAlpha); - if (!TEXENV_OPERAND_INVERTED(texUnit->Combine.OperandRGB[0])) { - /* - * A is not inverted. So, choose it. - */ - Amode_RGB = GR_FUNC_MODE_X_MINUS_HALF; - if (!TEXENV_OPERAND_INVERTED - (texUnit->Combine.OperandRGB[1])) { - Bmode_RGB = GR_FUNC_MODE_X; - } - else { - Bmode_RGB = GR_FUNC_MODE_ONE_MINUS_X; - } - } - else { - /* - * A is inverted, so try to subtract 1/2 - * from B. - */ - Amode_RGB = GR_FUNC_MODE_ONE_MINUS_X; - if (!TEXENV_OPERAND_INVERTED - (texUnit->Combine.OperandRGB[1])) { - Bmode_RGB = GR_FUNC_MODE_X_MINUS_HALF; - } - else { - /* - * Both are inverted. This is the case - * we cannot handle properly. We just - * choose to not add the - 1/2. - */ - Bmode_RGB = GR_FUNC_MODE_ONE_MINUS_X; - return GL_FALSE; - } - } - C_RGB = D_RGB = GR_CMBX_ZERO; - Cinv_RGB = FXTRUE; - Dinv_RGB = Ginv_RGB = FXFALSE; - break; - case GL_INTERPOLATE_EXT: - /* - * The formula is: Arg0 * Arg2 + Arg1 * (1 - Arg2). - * We compute this by the formula: - * (Arg0 - Arg1) * Arg2 + Arg1 - * == Arg0 * Arg2 - Arg1 * Arg2 + Arg1 - * == Arg0 * Arg2 + Arg1 * (1 - Arg2) - * However, if both Arg1 is ONE_MINUS_X, the HW does - * not support it properly. - */ - TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->Combine.SourceRGB[0], - texUnit->Combine.OperandRGB[0], - incomingRGB, incomingAlpha); - TEXENV_SETUP_MODE_RGB(Amode_RGB, - texUnit->Combine.OperandRGB[0]); - TEXENV_SETUP_ARG_RGB(B_RGB, - texUnit->Combine.SourceRGB[1], - texUnit->Combine.OperandRGB[1], - incomingRGB, incomingAlpha); - if (TEXENV_OPERAND_INVERTED(texUnit->Combine.OperandRGB[1])) { - /* - * This case is wrong. - */ - Bmode_RGB = GR_FUNC_MODE_NEGATIVE_X; - return GL_FALSE; - } - else { - Bmode_RGB = GR_FUNC_MODE_NEGATIVE_X; - } - /* - * The Source/Operand for the C value must - * specify some kind of alpha value. - */ - TEXENV_SETUP_ARG_A(C_RGB, - texUnit->Combine.SourceRGB[2], - texUnit->Combine.OperandRGB[2], - incomingAlpha); - Cinv_RGB = FXFALSE; - D_RGB = GR_CMBX_B; - Dinv_RGB = Ginv_RGB = FXFALSE; - break; - default: - /* - * This is here mostly to keep from getting - * a compiler warning about these not being set. - * However, this should set all the texture values - * to zero. - */ - A_RGB = B_RGB = C_RGB = D_RGB = GR_CMBX_ZERO; - Amode_RGB = Bmode_RGB = GR_FUNC_MODE_X; - Cinv_RGB = Dinv_RGB = Ginv_RGB = FXFALSE; - break; - } - /* - * Calculate the alpha combination. - */ - switch (texUnit->Combine.ModeA) { - case GL_REPLACE: - /* - * The formula is: Arg0 - * We implement this by the formula: - * (Arg0 + 0(0))*(1-0) + 0 - */ - TEXENV_SETUP_ARG_A(A_A, - texUnit->Combine.SourceA[0], - texUnit->Combine.OperandA[0], - incomingAlpha); - TEXENV_SETUP_MODE_A(Amode_A, - texUnit->Combine.OperandA[0]); - B_A = GR_CMBX_ITALPHA; - Bmode_A = GR_FUNC_MODE_ZERO; - C_A = D_A = GR_CMBX_ZERO; - Cinv_A = FXTRUE; - Dinv_A = Ginv_A = FXFALSE; - break; - case GL_MODULATE: - /* - * The formula is: Arg0 * Arg1 - * - * We implement this by the formula - * (Arg0 + 0(0)) * Arg1 + 0(0) - */ - TEXENV_SETUP_ARG_A(A_A, - texUnit->Combine.SourceA[0], - texUnit->Combine.OperandA[0], - incomingAlpha); - TEXENV_SETUP_MODE_A(Amode_A, - texUnit->Combine.OperandA[0]); - B_A = GR_CMBX_ZERO; - Bmode_A = GR_CMBX_ZERO; - TEXENV_SETUP_ARG_A(C_A, - texUnit->Combine.SourceA[1], - texUnit->Combine.OperandA[1], - incomingAlpha); - Cinv_A = TEXENV_OPERAND_INVERTED - (texUnit->Combine.OperandA[1]); - D_A = GR_CMBX_ZERO; - Dinv_A = Ginv_A = FXFALSE; - break; - case GL_ADD: - /* - * The formula is Arg0 + Arg1 - */ - TEXENV_SETUP_ARG_A(A_A, - texUnit->Combine.SourceA[0], - texUnit->Combine.OperandA[0], - incomingAlpha); - TEXENV_SETUP_MODE_A(Amode_A, - texUnit->Combine.OperandA[0]); - TEXENV_SETUP_ARG_A(B_A, - texUnit->Combine.SourceA[1], - texUnit->Combine.OperandA[1], - incomingAlpha); - TEXENV_SETUP_MODE_A(Bmode_A, - texUnit->Combine.OperandA[1]); - C_A = D_A = GR_CMBX_ZERO; - Cinv_A = FXTRUE; - Dinv_A = Ginv_A = FXFALSE; - break; - case GL_ADD_SIGNED_EXT: - /* - * The formula is: Arg0 + Arg1 - 0.5. - * We compute this by calculating: - * (Arg0 - 1/2) + Arg1 if op0 is SRC_{COLOR,ALPHA} - * Arg0 + (Arg1 - 1/2) if op1 is SRC_{COLOR,ALPHA} - * If both op0 and op1 are ONE_MINUS_SRC_{COLOR,ALPHA} - * we cannot implement the formula properly. - */ - TEXENV_SETUP_ARG_A(A_A, - texUnit->Combine.SourceA[0], - texUnit->Combine.OperandA[0], - incomingAlpha); - TEXENV_SETUP_ARG_A(B_A, - texUnit->Combine.SourceA[1], - texUnit->Combine.OperandA[1], - incomingAlpha); - if (!TEXENV_OPERAND_INVERTED(texUnit->Combine.OperandA[0])) { - /* - * A is not inverted. So, choose it. - */ - Amode_A = GR_FUNC_MODE_X_MINUS_HALF; - if (!TEXENV_OPERAND_INVERTED - (texUnit->Combine.OperandA[1])) { - Bmode_A = GR_FUNC_MODE_X; - } else { - Bmode_A = GR_FUNC_MODE_ONE_MINUS_X; - } - } else { - /* - * A is inverted, so try to subtract 1/2 - * from B. - */ - Amode_A = GR_FUNC_MODE_ONE_MINUS_X; - if (!TEXENV_OPERAND_INVERTED - (texUnit->Combine.OperandA[1])) { - Bmode_A = GR_FUNC_MODE_X_MINUS_HALF; - } else { - /* - * Both are inverted. This is the case - * we cannot handle properly. We just - * choose to not add the - 1/2. - */ - Bmode_A = GR_FUNC_MODE_ONE_MINUS_X; - return GL_FALSE; - } - } - C_A = D_A = GR_CMBX_ZERO; - Cinv_A = FXTRUE; - Dinv_A = Ginv_A = FXFALSE; - break; - case GL_INTERPOLATE_EXT: - /* - * The formula is: Arg0 * Arg2 + Arg1 * (1 - Arg2). - * We compute this by the formula: - * (Arg0 - Arg1) * Arg2 + Arg1 - * == Arg0 * Arg2 - Arg1 * Arg2 + Arg1 - * == Arg0 * Arg2 + Arg1 * (1 - Arg2) - * However, if both Arg1 is ONE_MINUS_X, the HW does - * not support it properly. - */ - TEXENV_SETUP_ARG_A(A_A, - texUnit->Combine.SourceA[0], - texUnit->Combine.OperandA[0], - incomingAlpha); - TEXENV_SETUP_MODE_A(Amode_A, - texUnit->Combine.OperandA[0]); - TEXENV_SETUP_ARG_A(B_A, - texUnit->Combine.SourceA[1], - texUnit->Combine.OperandA[1], - incomingAlpha); - if (!TEXENV_OPERAND_INVERTED(texUnit->Combine.OperandA[1])) { - Bmode_A = GR_FUNC_MODE_NEGATIVE_X; - } - else { - /* - * This case is wrong. - */ - Bmode_A = GR_FUNC_MODE_NEGATIVE_X; - return GL_FALSE; - } - /* - * The Source/Operand for the C value must - * specify some kind of alpha value. - */ - TEXENV_SETUP_ARG_A(C_A, - texUnit->Combine.SourceA[2], - texUnit->Combine.OperandA[2], - incomingAlpha); - Cinv_A = FXFALSE; - D_A = GR_CMBX_B; - Dinv_A = Ginv_A = FXFALSE; - break; - default: - /* - * This is here mostly to keep from getting - * a compiler warning about these not being set. - * However, this should set all the alpha values - * to one. - */ - A_A = B_A = C_A = D_A = GR_CMBX_ZERO; - Amode_A = Bmode_A = GR_FUNC_MODE_X; - Cinv_A = Dinv_A = FXFALSE; - Ginv_A = FXTRUE; - break; - } - /* - * Save the parameters. - */ - env->Color.SourceA = A_RGB; - env->Color.ModeA = Amode_RGB; - env->Color.SourceB = B_RGB; - env->Color.ModeB = Bmode_RGB; - env->Color.SourceC = C_RGB; - env->Color.InvertC = Cinv_RGB; - env->Color.SourceD = D_RGB; - env->Color.InvertD = Dinv_RGB; - env->Color.Shift = Shift_RGB; - env->Color.Invert = Ginv_RGB; - env->Alpha.SourceA = A_A; - env->Alpha.ModeA = Amode_A; - env->Alpha.SourceB = B_A; - env->Alpha.ModeB = Bmode_A; - env->Alpha.SourceC = C_A; - env->Alpha.InvertC = Cinv_A; - env->Alpha.SourceD = D_A; - env->Alpha.InvertD = Dinv_A; - env->Alpha.Shift = Shift_A; - env->Alpha.Invert = Ginv_A; - env->EnvColor = PACK_RGBA32(texUnit->EnvColor[0] * 255.0F, - texUnit->EnvColor[1] * 255.0F, - texUnit->EnvColor[2] * 255.0F, - texUnit->EnvColor[3] * 255.0F); - } - break; - - default: - _mesa_problem(ctx, "%s: Bad envMode", __FUNCTION__); - } - - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_ENV; - - fxMesa->ColorCombineExt.SourceA = GR_CMBX_TEXTURE_RGB; - fxMesa->ColorCombineExt.ModeA = GR_FUNC_MODE_X, - fxMesa->ColorCombineExt.SourceB = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.ModeB = GR_FUNC_MODE_X; - fxMesa->ColorCombineExt.SourceC = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.InvertC = FXTRUE; - fxMesa->ColorCombineExt.SourceD = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.InvertD = FXFALSE; - fxMesa->ColorCombineExt.Shift = 0; - fxMesa->ColorCombineExt.Invert = FXFALSE; - fxMesa->dirty |= TDFX_UPLOAD_COLOR_COMBINE; - fxMesa->AlphaCombineExt.SourceA = GR_CMBX_TEXTURE_ALPHA; - fxMesa->AlphaCombineExt.ModeA = GR_FUNC_MODE_X; - fxMesa->AlphaCombineExt.SourceB = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.ModeB = GR_FUNC_MODE_X; - fxMesa->AlphaCombineExt.SourceC = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.InvertC = FXTRUE; - fxMesa->AlphaCombineExt.SourceD = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.InvertD = FXFALSE; - fxMesa->AlphaCombineExt.Shift = 0; - fxMesa->AlphaCombineExt.Invert = FXFALSE; - fxMesa->dirty |= TDFX_UPLOAD_ALPHA_COMBINE; - return GL_TRUE; /* success */ -} - - - -/* - * Setup the Voodoo3 texture environment for a single texture unit. - * Return GL_TRUE for success, GL_FALSE for failure. - * If failure, we'll use software rendering. - */ -static GLboolean -SetupSingleTexEnvVoodoo3(GLcontext *ctx, int unit, - GLenum envMode, GLenum baseFormat) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - GrCombineLocal_t localc, locala; - struct tdfx_combine alphaComb, colorComb; - - if (1 /*iteratedRGBA*/) - localc = locala = GR_COMBINE_LOCAL_ITERATED; - else - localc = locala = GR_COMBINE_LOCAL_CONSTANT; - - switch (envMode) { - case GL_DECAL: - alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL; - alphaComb.Factor = GR_COMBINE_FACTOR_NONE; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_NONE; - alphaComb.Invert = FXFALSE; - colorComb.Function = GR_COMBINE_FUNCTION_BLEND; - colorComb.Factor = GR_COMBINE_FACTOR_TEXTURE_ALPHA; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_TEXTURE; - colorComb.Invert = FXFALSE; - break; - case GL_MODULATE: - alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - alphaComb.Factor = GR_COMBINE_FACTOR_LOCAL; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_TEXTURE; - alphaComb.Invert = FXFALSE; - if (baseFormat == GL_ALPHA) { - colorComb.Function = GR_COMBINE_FUNCTION_LOCAL; - colorComb.Factor = GR_COMBINE_FACTOR_NONE; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_NONE; - colorComb.Invert = FXFALSE; - } - else { - colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - colorComb.Factor = GR_COMBINE_FACTOR_LOCAL; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_TEXTURE; - colorComb.Invert = FXFALSE; - } - break; - - case GL_BLEND: - /* - * XXX we can't do real GL_BLEND mode. These settings assume that - * the TexEnv color is black and incoming fragment color is white. - */ - if (baseFormat == GL_LUMINANCE || baseFormat == GL_RGB) { - /* Av = Af */ - alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL; - alphaComb.Factor = GR_COMBINE_FACTOR_NONE; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_NONE; - alphaComb.Invert = FXFALSE; - } - else if (baseFormat == GL_INTENSITY) { - /* Av = Af * (1 - It) + Ac * It */ - alphaComb.Function = GR_COMBINE_FUNCTION_BLEND; - alphaComb.Factor = GR_COMBINE_FACTOR_TEXTURE_ALPHA; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_CONSTANT; - alphaComb.Invert = FXFALSE; - } - else { - /* Av = Af * At */ - alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - alphaComb.Factor = GR_COMBINE_FACTOR_LOCAL; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_TEXTURE; - alphaComb.Invert = FXFALSE; - } - if (baseFormat == GL_ALPHA) { - colorComb.Function = GR_COMBINE_FUNCTION_LOCAL; - colorComb.Factor = GR_COMBINE_FACTOR_NONE; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_NONE; - colorComb.Invert = FXFALSE; - } - else { - colorComb.Function = GR_COMBINE_FUNCTION_BLEND; - colorComb.Factor = GR_COMBINE_FACTOR_TEXTURE_RGB; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_CONSTANT; - colorComb.Invert = FXTRUE; - } - fxMesa->Color.MonoColor = PACK_RGBA32( - ctx->Texture.Unit[unit].EnvColor[0] * 255.0f, - ctx->Texture.Unit[unit].EnvColor[1] * 255.0f, - ctx->Texture.Unit[unit].EnvColor[2] * 255.0f, - ctx->Texture.Unit[unit].EnvColor[3] * 255.0f); - fxMesa->dirty |= TDFX_UPLOAD_CONSTANT_COLOR; - break; - - case GL_REPLACE: - if ((baseFormat == GL_RGB) || (baseFormat == GL_LUMINANCE)) { - alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL; - alphaComb.Factor = GR_COMBINE_FACTOR_NONE; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_NONE; - alphaComb.Invert = FXFALSE; - } - else { - alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - alphaComb.Factor = GR_COMBINE_FACTOR_ONE; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_TEXTURE; - alphaComb.Invert = FXFALSE; - } - if (baseFormat == GL_ALPHA) { - colorComb.Function = GR_COMBINE_FUNCTION_LOCAL; - colorComb.Factor = GR_COMBINE_FACTOR_NONE; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_NONE; - colorComb.Invert = FXFALSE; - } - else { - colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - colorComb.Factor = GR_COMBINE_FACTOR_ONE; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_TEXTURE; - colorComb.Invert = FXFALSE; - } - break; - - case GL_ADD: - if (baseFormat == GL_ALPHA || - baseFormat == GL_LUMINANCE_ALPHA || - baseFormat == GL_RGBA) { - /* product of texel and fragment alpha */ - alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - alphaComb.Factor = GR_COMBINE_FACTOR_LOCAL; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_TEXTURE; - alphaComb.Invert = FXFALSE; - } - else if (baseFormat == GL_LUMINANCE || baseFormat == GL_RGB) { - /* fragment alpha is unchanged */ - alphaComb.Function = GR_COMBINE_FUNCTION_LOCAL; - alphaComb.Factor = GR_COMBINE_FACTOR_NONE; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_NONE; - alphaComb.Invert = FXFALSE; - } - else { - ASSERT(baseFormat == GL_INTENSITY); - /* sum of texel and fragment alpha */ - alphaComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL, - alphaComb.Factor = GR_COMBINE_FACTOR_ONE; - alphaComb.Local = locala; - alphaComb.Other = GR_COMBINE_OTHER_TEXTURE; - alphaComb.Invert = FXFALSE; - } - if (baseFormat == GL_ALPHA) { - /* rgb unchanged */ - colorComb.Function = GR_COMBINE_FUNCTION_LOCAL; - colorComb.Factor = GR_COMBINE_FACTOR_NONE; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_NONE; - colorComb.Invert = FXFALSE; - } - else { - /* sum of texel and fragment rgb */ - colorComb.Function = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL, - colorComb.Factor = GR_COMBINE_FACTOR_ONE; - colorComb.Local = localc; - colorComb.Other = GR_COMBINE_OTHER_TEXTURE; - colorComb.Invert = FXFALSE; - } - break; - - default: - _mesa_problem(ctx, "bad texture env mode in %s", __FUNCTION__); - } - - if (colorComb.Function != fxMesa->ColorCombine.Function || - colorComb.Factor != fxMesa->ColorCombine.Factor || - colorComb.Local != fxMesa->ColorCombine.Local || - colorComb.Other != fxMesa->ColorCombine.Other || - colorComb.Invert != fxMesa->ColorCombine.Invert) { - fxMesa->ColorCombine = colorComb; - fxMesa->dirty |= TDFX_UPLOAD_COLOR_COMBINE; - } - - if (alphaComb.Function != fxMesa->AlphaCombine.Function || - alphaComb.Factor != fxMesa->AlphaCombine.Factor || - alphaComb.Local != fxMesa->AlphaCombine.Local || - alphaComb.Other != fxMesa->AlphaCombine.Other || - alphaComb.Invert != fxMesa->AlphaCombine.Invert) { - fxMesa->AlphaCombine = alphaComb; - fxMesa->dirty |= TDFX_UPLOAD_ALPHA_COMBINE; - } - return GL_TRUE; -} - - -/* - * Setup the Voodoo3 texture environment for dual texture units. - * Return GL_TRUE for success, GL_FALSE for failure. - * If failure, we'll use software rendering. - */ -static GLboolean -SetupDoubleTexEnvVoodoo3(GLcontext *ctx, int tmu0, - GLenum envMode0, GLenum baseFormat0, - GLenum envMode1, GLenum baseFormat1) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - const GrCombineLocal_t locala = GR_COMBINE_LOCAL_ITERATED; - const GrCombineLocal_t localc = GR_COMBINE_LOCAL_ITERATED; - const int tmu1 = 1 - tmu0; - - if (envMode0 == GL_MODULATE && envMode1 == GL_MODULATE) { - GLboolean isalpha[TDFX_NUM_TMU]; - - isalpha[tmu0] = (baseFormat0 == GL_ALPHA); - isalpha[tmu1] = (baseFormat1 == GL_ALPHA); - - if (isalpha[TDFX_TMU1]) { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_ZERO; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXTRUE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - } - else { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - } - if (isalpha[TDFX_TMU0]) { - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_LOCAL; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - else { - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_LOCAL; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_LOCAL; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_LOCAL; - fxMesa->ColorCombine.Local = localc; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->ColorCombine.Invert = FXFALSE; - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_LOCAL; - fxMesa->AlphaCombine.Local = locala; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } - else if (envMode0 == GL_REPLACE && envMode1 == GL_BLEND) { /* Quake */ - if (tmu0 == TDFX_TMU1) { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXTRUE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_LOCAL; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_LOCAL; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - else { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_ONE_MINUS_LOCAL; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_ONE_MINUS_LOCAL; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_ONE; - fxMesa->ColorCombine.Local = localc; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->ColorCombine.Invert = FXFALSE; - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_NONE; - fxMesa->AlphaCombine.Local = locala; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } - else if (envMode0 == GL_REPLACE && envMode1 == GL_MODULATE) { - /* Quake 2/3 */ - if (tmu1 == TDFX_TMU1) { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_ZERO; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXTRUE; - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_LOCAL; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_LOCAL; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - else { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_LOCAL; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_BLEND_OTHER; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_ONE; - fxMesa->ColorCombine.Local = localc; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->ColorCombine.Invert = FXFALSE; - if (baseFormat0 == GL_RGB) { - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_NONE; - fxMesa->AlphaCombine.Local = locala; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } - else { - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_ONE; - fxMesa->AlphaCombine.Local = locala; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } - } - else if (envMode0 == GL_MODULATE && envMode1 == GL_ADD) { - /* Quake 3 sky */ - GLboolean isalpha[TDFX_NUM_TMU]; - - isalpha[tmu0] = (baseFormat0 == GL_ALPHA); - isalpha[tmu1] = (baseFormat1 == GL_ALPHA); - - if (isalpha[TDFX_TMU1]) { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_ZERO; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXTRUE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - } - else { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - } - if (isalpha[TDFX_TMU0]) { - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - else { - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_LOCAL; - fxMesa->ColorCombine.Local = localc; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->ColorCombine.Invert = FXFALSE; - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_LOCAL; - fxMesa->AlphaCombine.Local = locala; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } - else if (envMode0 == GL_REPLACE && envMode1 == GL_ADD) { - /* Vulpine sky */ - GLboolean isalpha[TDFX_NUM_TMU]; - - isalpha[tmu0] = (baseFormat0 == GL_ALPHA); - isalpha[tmu1] = (baseFormat1 == GL_ALPHA); - - if (isalpha[TDFX_TMU1]) { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_ZERO; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXTRUE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - } else { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - } - - if (isalpha[TDFX_TMU0]) { - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } else { - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_SCALE_OTHER_ADD_LOCAL; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - } - - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_ONE; - fxMesa->ColorCombine.Local = localc; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->ColorCombine.Invert = FXFALSE; - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_ONE; - fxMesa->AlphaCombine.Local = locala; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } - else if (envMode1 == GL_REPLACE) { - /* Homeworld2 */ - - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_ZERO; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_ZERO; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - - if ((baseFormat0 == GL_RGB) && (baseFormat0 == GL_LUMINANCE)) { - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_NONE; - fxMesa->AlphaCombine.Local = locala; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } else { - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_ONE; - fxMesa->AlphaCombine.Local = locala; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } - if (baseFormat0 == GL_ALPHA) { - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_NONE; - fxMesa->ColorCombine.Local = localc; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->ColorCombine.Invert = FXFALSE; - } else { - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_SCALE_OTHER; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_ONE; - fxMesa->ColorCombine.Local = localc; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_TEXTURE; - fxMesa->ColorCombine.Invert = FXFALSE; - } - } - else { - _mesa_problem(ctx, "%s: Unexpected dual texture mode encountered", __FUNCTION__); - return GL_FALSE; - } - - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_ENV; - fxMesa->dirty |= TDFX_UPLOAD_COLOR_COMBINE; - fxMesa->dirty |= TDFX_UPLOAD_ALPHA_COMBINE; - return GL_TRUE; -} - - -/* - * This function makes sure that the correct mipmap levels are loaded - * in the right places in memory and then makes the Glide calls to - * setup the texture source pointers. - */ -static void -setupSingleTMU(tdfxContextPtr fxMesa, struct gl_texture_object *tObj) -{ - struct tdfxSharedState *shared = (struct tdfxSharedState *) fxMesa->glCtx->Shared->DriverData; - tdfxTexInfo *ti = TDFX_TEXTURE_DATA(tObj); - const GLcontext *ctx = fxMesa->glCtx; - - /* Make sure we're not loaded incorrectly */ - if (ti->isInTM && !shared->umaTexMemory) { - /* if doing filtering between mipmap levels, alternate mipmap levels - * must be in alternate TMUs. - */ - if (ti->LODblend) { - if (ti->whichTMU != TDFX_TMU_SPLIT) - tdfxTMMoveOutTM_NoLock(fxMesa, tObj); - } - else { - if (ti->whichTMU == TDFX_TMU_SPLIT) - tdfxTMMoveOutTM_NoLock(fxMesa, tObj); - } - } - - /* Make sure we're loaded correctly */ - if (!ti->isInTM) { - /* Have to download the texture */ - if (shared->umaTexMemory) { - tdfxTMMoveInTM_NoLock(fxMesa, tObj, TDFX_TMU0); - } - else { - /* Voodoo3 (split texture memory) */ - if (ti->LODblend) { - tdfxTMMoveInTM_NoLock(fxMesa, tObj, TDFX_TMU_SPLIT); - } - else { -#if 0 - /* XXX putting textures into the second memory bank when the - * first bank is full is not working at this time. - */ - if (fxMesa->haveTwoTMUs) { - GLint memReq = fxMesa->Glide.grTexTextureMemRequired( - GR_MIPMAPLEVELMASK_BOTH, &(ti->info)); - if (shared->freeTexMem[TDFX_TMU0] > memReq) { - tdfxTMMoveInTM_NoLock(fxMesa, tObj, TDFX_TMU0); - } - else { - tdfxTMMoveInTM_NoLock(fxMesa, tObj, TDFX_TMU1); - } - } - else -#endif - { - tdfxTMMoveInTM_NoLock(fxMesa, tObj, TDFX_TMU0); - } - } - } - } - - if (ti->LODblend && ti->whichTMU == TDFX_TMU_SPLIT) { - /* mipmap levels split between texture banks */ - GLint u; - - if (ti->info.format == GR_TEXFMT_P_8 && !ctx->Texture.SharedPalette) { - fxMesa->TexPalette.Type = ti->paltype; - fxMesa->TexPalette.Data = &(ti->palette); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PALETTE; - } - - for (u = 0; u < 2; u++) { - fxMesa->TexParams[u].sClamp = ti->sClamp; - fxMesa->TexParams[u].tClamp = ti->tClamp; - fxMesa->TexParams[u].minFilt = ti->minFilt; - fxMesa->TexParams[u].magFilt = ti->magFilt; - fxMesa->TexParams[u].mmMode = ti->mmMode; - fxMesa->TexParams[u].LODblend = ti->LODblend; - fxMesa->TexParams[u].LodBias = ctx->Texture.Unit[u].LodBias; - } - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PARAMS; - - fxMesa->TexSource[0].StartAddress = ti->tm[TDFX_TMU0]->startAddr; - fxMesa->TexSource[0].EvenOdd = GR_MIPMAPLEVELMASK_ODD; - fxMesa->TexSource[0].Info = &(ti->info); - fxMesa->TexSource[1].StartAddress = ti->tm[TDFX_TMU1]->startAddr; - fxMesa->TexSource[1].EvenOdd = GR_MIPMAPLEVELMASK_EVEN; - fxMesa->TexSource[1].Info = &(ti->info); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_SOURCE; - } - else { - FxU32 tmu; - - if (ti->whichTMU == TDFX_TMU_BOTH) - tmu = TDFX_TMU0; - else - tmu = ti->whichTMU; - - if (shared->umaTexMemory) { - assert(ti->whichTMU == TDFX_TMU0); - assert(tmu == TDFX_TMU0); - } - - if (ti->info.format == GR_TEXFMT_P_8 && !ctx->Texture.SharedPalette) { - fxMesa->TexPalette.Type = ti->paltype; - fxMesa->TexPalette.Data = &(ti->palette); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_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 (fxMesa->TexParams[tmu].sClamp != ti->sClamp || - fxMesa->TexParams[tmu].tClamp != ti->tClamp || - fxMesa->TexParams[tmu].minFilt != ti->minFilt || - fxMesa->TexParams[tmu].magFilt != ti->magFilt || - fxMesa->TexParams[tmu].mmMode != ti->mmMode || - fxMesa->TexParams[tmu].LODblend != FXFALSE || - fxMesa->TexParams[tmu].LodBias != ctx->Texture.Unit[tmu].LodBias) { - fxMesa->TexParams[tmu].sClamp = ti->sClamp; - fxMesa->TexParams[tmu].tClamp = ti->tClamp; - fxMesa->TexParams[tmu].minFilt = ti->minFilt; - fxMesa->TexParams[tmu].magFilt = ti->magFilt; - fxMesa->TexParams[tmu].mmMode = ti->mmMode; - fxMesa->TexParams[tmu].LODblend = FXFALSE; - fxMesa->TexParams[tmu].LodBias = ctx->Texture.Unit[tmu].LodBias; - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PARAMS; - } - - /* Glide texture source info */ - fxMesa->TexSource[0].Info = NULL; - fxMesa->TexSource[1].Info = NULL; - if (ti->tm[tmu]) { - fxMesa->TexSource[tmu].StartAddress = ti->tm[tmu]->startAddr; - fxMesa->TexSource[tmu].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu].Info = &(ti->info); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_SOURCE; - } - } - - fxMesa->sScale0 = ti->sScale; - fxMesa->tScale0 = ti->tScale; -} - -static void -selectSingleTMUSrc(tdfxContextPtr fxMesa, GLint tmu, FxBool LODblend) -{ - if (LODblend) { - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_BLEND; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_ONE_MINUS_LOD_FRACTION; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_BLEND; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_ONE_MINUS_LOD_FRACTION; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - - if (fxMesa->haveTwoTMUs) { - const struct gl_shared_state *mesaShared = fxMesa->glCtx->Shared; - const struct tdfxSharedState *shared = (struct tdfxSharedState *) mesaShared->DriverData; - int tmu; - - if (shared->umaTexMemory) - tmu = GR_TMU0; - else - tmu = GR_TMU1; - - fxMesa->TexCombine[tmu].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[tmu].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[tmu].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[tmu].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[tmu].InvertRGB = FXFALSE; - fxMesa->TexCombine[tmu].InvertAlpha = FXFALSE; - } - fxMesa->tmuSrc = TDFX_TMU_SPLIT; - } - else { - if (tmu != TDFX_TMU1) { - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - if (fxMesa->haveTwoTMUs) { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_ZERO; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_ZERO; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - } - fxMesa->tmuSrc = TDFX_TMU0; - } - else { - fxMesa->TexCombine[1].FunctionRGB = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorRGB = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].FunctionAlpha = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->TexCombine[1].FactorAlpha = GR_COMBINE_FACTOR_NONE; - fxMesa->TexCombine[1].InvertRGB = FXFALSE; - fxMesa->TexCombine[1].InvertAlpha = FXFALSE; - /* GR_COMBINE_FUNCTION_SCALE_OTHER doesn't work ?!? */ - fxMesa->TexCombine[0].FunctionRGB = GR_COMBINE_FUNCTION_BLEND; - fxMesa->TexCombine[0].FactorRGB = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].FunctionAlpha = GR_COMBINE_FUNCTION_BLEND; - fxMesa->TexCombine[0].FactorAlpha = GR_COMBINE_FACTOR_ONE; - fxMesa->TexCombine[0].InvertRGB = FXFALSE; - fxMesa->TexCombine[0].InvertAlpha = FXFALSE; - fxMesa->tmuSrc = TDFX_TMU1; - } - } - - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_ENV; -} - -#if 0 -static void print_state(tdfxContextPtr fxMesa) -{ - GLcontext *ctx = fxMesa->glCtx; - struct gl_texture_object *tObj0 = ctx->Texture.Unit[0]._Current; - struct gl_texture_object *tObj1 = ctx->Texture.Unit[1]._Current; - GLenum base0 = tObj0->Image[0][tObj0->BaseLevel] ? tObj0->Image[0][tObj0->BaseLevel]->Format : 99; - GLenum base1 = tObj1->Image[0][tObj1->BaseLevel] ? tObj1->Image[0][tObj1->BaseLevel]->Format : 99; - - printf("Unit 0: Enabled: GL=%d Gr=%d\n", ctx->Texture.Unit[0]._ReallyEnabled, - fxMesa->TexState.Enabled[0]); - printf(" EnvMode: GL=0x%x Gr=0x%x\n", ctx->Texture.Unit[0].EnvMode, - fxMesa->TexState.EnvMode[0]); - printf(" BaseFmt: GL=0x%x Gr=0x%x\n", base0, fxMesa->TexState.TexFormat[0]); - - - printf("Unit 1: Enabled: GL=%d Gr=%d\n", ctx->Texture.Unit[1]._ReallyEnabled, - fxMesa->TexState.Enabled[1]); - printf(" EnvMode: GL=0x%x Gr:0x%x\n", ctx->Texture.Unit[1].EnvMode, - fxMesa->TexState.EnvMode[1]); - printf(" BaseFmt: GL=0x%x Gr:0x%x\n", base1, fxMesa->TexState.TexFormat[1]); -} -#endif - -/* - * When we're only using a single texture unit, we always use the 0th - * Glide/hardware unit, regardless if it's GL_TEXTURE0_ARB or GL_TEXTURE1_ARB - * that's enalbed. - * Input: ctx - the context - * unit - the OpenGL texture unit to use. - */ -static void setupTextureSingleTMU(GLcontext * ctx, GLuint unit) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - tdfxTexInfo *ti; - struct gl_texture_object *tObj; - int tmu; - GLenum envMode, baseFormat; - - tObj = ctx->Texture.Unit[unit]._Current; - if (tObj->Image[0][tObj->BaseLevel]->Border > 0) { - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_BORDER, GL_TRUE); - return; - } - - setupSingleTMU(fxMesa, tObj); - - ti = TDFX_TEXTURE_DATA(tObj); - if (ti->whichTMU == TDFX_TMU_BOTH) - tmu = TDFX_TMU0; - else - tmu = ti->whichTMU; - - if (fxMesa->tmuSrc != tmu) { - selectSingleTMUSrc(fxMesa, tmu, ti->LODblend); - } - - if (ti->reloadImages) - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_IMAGES; - - /* Check if we really need to update the texenv state */ - envMode = ctx->Texture.Unit[unit].EnvMode; - baseFormat = tObj->Image[0][tObj->BaseLevel]->Format; - - if (TDFX_IS_NAPALM(fxMesa)) { - /* see if we really need to update the unit */ - if (1/*fxMesa->TexState.Enabled[unit] != ctx->Texture.Unit[unit]._ReallyEnabled || - envMode != fxMesa->TexState.EnvMode[0] || - envMode == GL_COMBINE_EXT || - baseFormat != fxMesa->TexState.TexFormat[0]*/) { - struct tdfx_texcombine_ext *otherEnv; - if (!SetupTexEnvNapalm(ctx, GL_TRUE, - &ctx->Texture.Unit[unit], baseFormat, - &fxMesa->TexCombineExt[0])) { - /* software fallback */ - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_ENV, GL_TRUE); - } - /* disable other unit */ - otherEnv = &fxMesa->TexCombineExt[1]; - otherEnv->Color.SourceA = GR_CMBX_ZERO; - otherEnv->Color.ModeA = GR_FUNC_MODE_ZERO; - otherEnv->Color.SourceB = GR_CMBX_ZERO; - otherEnv->Color.ModeB = GR_FUNC_MODE_ZERO; - otherEnv->Color.SourceC = GR_CMBX_ZERO; - otherEnv->Color.InvertC = FXFALSE; - otherEnv->Color.SourceD = GR_CMBX_ZERO; - otherEnv->Color.InvertD = FXFALSE; - otherEnv->Color.Shift = 0; - otherEnv->Color.Invert = FXFALSE; - otherEnv->Alpha.SourceA = GR_CMBX_ITALPHA; - otherEnv->Alpha.ModeA = GR_FUNC_MODE_ZERO; - otherEnv->Alpha.SourceB = GR_CMBX_ITALPHA; - otherEnv->Alpha.ModeB = GR_FUNC_MODE_ZERO; - otherEnv->Alpha.SourceC = GR_CMBX_ZERO; - otherEnv->Alpha.InvertC = FXFALSE; - otherEnv->Alpha.SourceD = GR_CMBX_ZERO; - otherEnv->Alpha.InvertD = FXFALSE; - otherEnv->Alpha.Shift = 0; - otherEnv->Alpha.Invert = FXFALSE; - -#if 0/*JJJ*/ - fxMesa->TexState.Enabled[unit] = ctx->Texture.Unit[unit]._ReallyEnabled; - fxMesa->TexState.EnvMode[0] = envMode; - fxMesa->TexState.TexFormat[0] = baseFormat; - fxMesa->TexState.EnvMode[1] = 0; - fxMesa->TexState.TexFormat[1] = 0; -#endif - } - } - else { - /* Voodoo3 */ - - /* see if we really need to update the unit */ - if (1/*fxMesa->TexState.Enabled[unit] != ctx->Texture.Unit[unit]._ReallyEnabled || - envMode != fxMesa->TexState.EnvMode[0] || - envMode == GL_COMBINE_EXT || - baseFormat != fxMesa->TexState.TexFormat[0]*/) { - if (!SetupSingleTexEnvVoodoo3(ctx, unit, envMode, baseFormat)) { - /* software fallback */ - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_ENV, GL_TRUE); - } -#if 0/*JJJ*/ - fxMesa->TexState.Enabled[unit] = ctx->Texture.Unit[unit]._ReallyEnabled; - fxMesa->TexState.EnvMode[0] = envMode; - fxMesa->TexState.TexFormat[0] = baseFormat; - fxMesa->TexState.EnvMode[1] = 0; - fxMesa->TexState.TexFormat[1] = 0; -#endif - } - } -} - - -static void -setupDoubleTMU(tdfxContextPtr 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 - - const struct gl_shared_state *mesaShared = fxMesa->glCtx->Shared; - const struct tdfxSharedState *shared = (struct tdfxSharedState *) mesaShared->DriverData; - const GLcontext *ctx = fxMesa->glCtx; - tdfxTexInfo *ti0 = TDFX_TEXTURE_DATA(tObj0); - tdfxTexInfo *ti1 = TDFX_TEXTURE_DATA(tObj1); - GLuint tstate = 0; - int tmu0 = 0, tmu1 = 1; - - if (shared->umaTexMemory) { - if (!ti0->isInTM) { - tdfxTMMoveInTM_NoLock(fxMesa, tObj0, TDFX_TMU0); - assert(ti0->isInTM); - } - if (!ti1->isInTM) { - tdfxTMMoveInTM_NoLock(fxMesa, tObj1, TDFX_TMU0); - assert(ti1->isInTM); - } - } - else { - /* We shouldn't need to do this. There is something wrong with - multitexturing when the TMUs are swapped. So, we're forcing - them to always be loaded correctly. !!! */ - if (ti0->whichTMU == TDFX_TMU1) - tdfxTMMoveOutTM_NoLock(fxMesa, tObj0); - if (ti1->whichTMU == TDFX_TMU0) - tdfxTMMoveOutTM_NoLock(fxMesa, tObj1); - - if (ti0->isInTM) { - switch (ti0->whichTMU) { - case TDFX_TMU0: - tstate |= T0_IN_TMU0; - break; - case TDFX_TMU1: - tstate |= T0_IN_TMU1; - break; - case TDFX_TMU_BOTH: - tstate |= T0_IN_TMU0 | T0_IN_TMU1; - break; - case TDFX_TMU_SPLIT: - tstate |= T0_NOT_IN_TMU; - break; - } - } - else - tstate |= T0_NOT_IN_TMU; - - if (ti1->isInTM) { - switch (ti1->whichTMU) { - case TDFX_TMU0: - tstate |= T1_IN_TMU0; - break; - case TDFX_TMU1: - tstate |= T1_IN_TMU1; - break; - case TDFX_TMU_BOTH: - tstate |= T1_IN_TMU0 | T1_IN_TMU1; - break; - case TDFX_TMU_SPLIT: - tstate |= T1_NOT_IN_TMU; - break; - } - } - else - tstate |= T1_NOT_IN_TMU; - - /* 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) { - tdfxTMMoveInTM_NoLock(fxMesa, tObj1, TDFX_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 */ - tdfxTMMoveInTM_NoLock(fxMesa, tObj1, TDFX_TMU1); - } - else { - tdfxTMMoveInTM_NoLock(fxMesa, tObj0, TDFX_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 */ - tdfxTMMoveInTM_NoLock(fxMesa, tObj0, TDFX_TMU1); - } - else { - tdfxTMMoveInTM_NoLock(fxMesa, tObj1, TDFX_TMU0); - } - tmu0 = 1; - tmu1 = 0; - } - else { /* Nothing is loaded */ - tdfxTMMoveInTM_NoLock(fxMesa, tObj0, TDFX_TMU0); - tdfxTMMoveInTM_NoLock(fxMesa, tObj1, TDFX_TMU1); - /* tmu0 and tmu1 are setup */ - } - } - } - } - - ti0->lastTimeUsed = fxMesa->texBindNumber; - ti1->lastTimeUsed = fxMesa->texBindNumber; - - - if (!ctx->Texture.SharedPalette) { - if (ti0->info.format == GR_TEXFMT_P_8) { - fxMesa->TexPalette.Type = ti0->paltype; - fxMesa->TexPalette.Data = &(ti0->palette); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PALETTE; - } - else if (ti1->info.format == GR_TEXFMT_P_8) { - fxMesa->TexPalette.Type = ti1->paltype; - fxMesa->TexPalette.Data = &(ti1->palette); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PALETTE; - } - else { - fxMesa->TexPalette.Data = NULL; - } - } - - /* - * Setup Unit 0 - */ - assert(ti0->isInTM); - assert(ti0->tm[tmu0]); - fxMesa->TexSource[tmu0].StartAddress = ti0->tm[tmu0]->startAddr; - fxMesa->TexSource[tmu0].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu0].Info = &(ti0->info); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_SOURCE; - - if (fxMesa->TexParams[tmu0].sClamp != ti0->sClamp || - fxMesa->TexParams[tmu0].tClamp != ti0->tClamp || - fxMesa->TexParams[tmu0].minFilt != ti0->minFilt || - fxMesa->TexParams[tmu0].magFilt != ti0->magFilt || - fxMesa->TexParams[tmu0].mmMode != ti0->mmMode || - fxMesa->TexParams[tmu0].LODblend != FXFALSE || - fxMesa->TexParams[tmu0].LodBias != ctx->Texture.Unit[tmu0].LodBias) { - fxMesa->TexParams[tmu0].sClamp = ti0->sClamp; - fxMesa->TexParams[tmu0].tClamp = ti0->tClamp; - fxMesa->TexParams[tmu0].minFilt = ti0->minFilt; - fxMesa->TexParams[tmu0].magFilt = ti0->magFilt; - fxMesa->TexParams[tmu0].mmMode = ti0->mmMode; - fxMesa->TexParams[tmu0].LODblend = FXFALSE; - fxMesa->TexParams[tmu0].LodBias = ctx->Texture.Unit[tmu0].LodBias; - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PARAMS; - } - - /* - * Setup Unit 1 - */ - if (shared->umaTexMemory) { - ASSERT(ti1->isInTM); - ASSERT(ti1->tm[0]); - fxMesa->TexSource[tmu1].StartAddress = ti1->tm[0]->startAddr; - fxMesa->TexSource[tmu1].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu1].Info = &(ti1->info); - } - else { - ASSERT(ti1->isInTM); - ASSERT(ti1->tm[tmu1]); - fxMesa->TexSource[tmu1].StartAddress = ti1->tm[tmu1]->startAddr; - fxMesa->TexSource[tmu1].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu1].Info = &(ti1->info); - } - - if (fxMesa->TexParams[tmu1].sClamp != ti1->sClamp || - fxMesa->TexParams[tmu1].tClamp != ti1->tClamp || - fxMesa->TexParams[tmu1].minFilt != ti1->minFilt || - fxMesa->TexParams[tmu1].magFilt != ti1->magFilt || - fxMesa->TexParams[tmu1].mmMode != ti1->mmMode || - fxMesa->TexParams[tmu1].LODblend != FXFALSE || - fxMesa->TexParams[tmu1].LodBias != ctx->Texture.Unit[tmu1].LodBias) { - fxMesa->TexParams[tmu1].sClamp = ti1->sClamp; - fxMesa->TexParams[tmu1].tClamp = ti1->tClamp; - fxMesa->TexParams[tmu1].minFilt = ti1->minFilt; - fxMesa->TexParams[tmu1].magFilt = ti1->magFilt; - fxMesa->TexParams[tmu1].mmMode = ti1->mmMode; - fxMesa->TexParams[tmu1].LODblend = FXFALSE; - fxMesa->TexParams[tmu1].LodBias = ctx->Texture.Unit[tmu1].LodBias; - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PARAMS; - } - - fxMesa->sScale0 = ti0->sScale; - fxMesa->tScale0 = ti0->tScale; - fxMesa->sScale1 = ti1->sScale; - fxMesa->tScale1 = ti1->tScale; - -#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 setupTextureDoubleTMU(GLcontext * ctx) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - struct gl_texture_object *tObj0 = ctx->Texture.Unit[1]._Current; - struct gl_texture_object *tObj1 = ctx->Texture.Unit[0]._Current; - tdfxTexInfo *ti0 = TDFX_TEXTURE_DATA(tObj0); - tdfxTexInfo *ti1 = TDFX_TEXTURE_DATA(tObj1); - struct gl_texture_image *baseImage0 = tObj0->Image[0][tObj0->BaseLevel]; - struct gl_texture_image *baseImage1 = tObj1->Image[0][tObj1->BaseLevel]; -#if 0/*JJJ*/ - const GLenum envMode0 = ctx->Texture.Unit[0].EnvMode; - const GLenum envMode1 = ctx->Texture.Unit[1].EnvMode; -#endif - - if (baseImage0->Border > 0 || baseImage1->Border > 0) { - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_BORDER, GL_TRUE); - return; - } - - setupDoubleTMU(fxMesa, tObj0, tObj1); - - if (ti0->reloadImages || ti1->reloadImages) - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_IMAGES; - - fxMesa->tmuSrc = TDFX_TMU_BOTH; - - if (TDFX_IS_NAPALM(fxMesa)) { - /* Remember, Glide has its texture units numbered in backward - * order compared to OpenGL. - */ - GLboolean hw1 = GL_TRUE, hw2 = GL_TRUE; - - /* check if we really need to update glide unit 1 */ - if (1/*fxMesa->TexState.Enabled[0] != ctx->Texture.Unit[0]._ReallyEnabled || - envMode0 != fxMesa->TexState.EnvMode[1] || - envMode0 == GL_COMBINE_EXT || - baseImage0->Format != fxMesa->TexState.TexFormat[1] || - (fxMesa->Fallback & TDFX_FALLBACK_TEXTURE_ENV)*/) { - hw1 = SetupTexEnvNapalm(ctx, GL_TRUE, &ctx->Texture.Unit[0], - baseImage0->Format, &fxMesa->TexCombineExt[1]); -#if 0/*JJJ*/ - fxMesa->TexState.EnvMode[1] = envMode0; - fxMesa->TexState.TexFormat[1] = baseImage0->Format; - fxMesa->TexState.Enabled[0] = ctx->Texture.Unit[0]._ReallyEnabled; -#endif - } - - /* check if we really need to update glide unit 0 */ - if (1/*fxMesa->TexState.Enabled[1] != ctx->Texture.Unit[1]._ReallyEnabled || - envMode1 != fxMesa->TexState.EnvMode[0] || - envMode1 == GL_COMBINE_EXT || - baseImage1->Format != fxMesa->TexState.TexFormat[0] || - (fxMesa->Fallback & TDFX_FALLBACK_TEXTURE_ENV)*/) { - hw2 = SetupTexEnvNapalm(ctx, GL_FALSE, &ctx->Texture.Unit[1], - baseImage1->Format, &fxMesa->TexCombineExt[0]); -#if 0/*JJJ*/ - fxMesa->TexState.EnvMode[0] = envMode1; - fxMesa->TexState.TexFormat[0] = baseImage1->Format; - fxMesa->TexState.Enabled[1] = ctx->Texture.Unit[1]._ReallyEnabled; -#endif - } - - - if (!hw1 || !hw2) { - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_ENV, GL_TRUE); - } - } - else { - int unit0, unit1; - if ((ti0->whichTMU == TDFX_TMU1) || (ti1->whichTMU == TDFX_TMU0)) - unit0 = 1; - else - unit0 = 0; - unit1 = 1 - unit0; - - if (1/*fxMesa->TexState.Enabled[0] != ctx->Texture.Unit[0]._ReallyEnabled || - fxMesa->TexState.Enabled[1] != ctx->Texture.Unit[1]._ReallyEnabled || - envMode0 != fxMesa->TexState.EnvMode[unit0] || - envMode0 == GL_COMBINE_EXT || - envMode1 != fxMesa->TexState.EnvMode[unit1] || - envMode1 == GL_COMBINE_EXT || - baseImage0->Format != fxMesa->TexState.TexFormat[unit0] || - baseImage1->Format != fxMesa->TexState.TexFormat[unit1] || - (fxMesa->Fallback & TDFX_FALLBACK_TEXTURE_ENV)*/) { - - if (!SetupDoubleTexEnvVoodoo3(ctx, unit0, - ctx->Texture.Unit[0].EnvMode, baseImage0->Format, - ctx->Texture.Unit[1].EnvMode, baseImage1->Format)) { - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_ENV, GL_TRUE); - } - -#if 0/*JJJ*/ - fxMesa->TexState.EnvMode[unit0] = envMode0; - fxMesa->TexState.TexFormat[unit0] = baseImage0->Format; - fxMesa->TexState.EnvMode[unit1] = envMode1; - fxMesa->TexState.TexFormat[unit1] = baseImage1->Format; - fxMesa->TexState.Enabled[0] = ctx->Texture.Unit[0]._ReallyEnabled; - fxMesa->TexState.Enabled[1] = ctx->Texture.Unit[1]._ReallyEnabled; -#endif - } - } -} - - -void -tdfxUpdateTextureState( GLcontext *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_BORDER, GL_FALSE); - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_ENV, GL_FALSE); - - if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT) && - ctx->Texture.Unit[1]._ReallyEnabled == 0) { - LOCK_HARDWARE( fxMesa ); /* XXX remove locking eventually */ - setupTextureSingleTMU(ctx, 0); - UNLOCK_HARDWARE( fxMesa ); - } - else if (ctx->Texture.Unit[0]._ReallyEnabled == 0 && - ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) { - LOCK_HARDWARE( fxMesa ); - setupTextureSingleTMU(ctx, 1); - UNLOCK_HARDWARE( fxMesa ); - } - else if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT) && - ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) { - LOCK_HARDWARE( fxMesa ); - setupTextureDoubleTMU(ctx); - UNLOCK_HARDWARE( fxMesa ); - } - else { - /* disable hardware texturing */ - if (TDFX_IS_NAPALM(fxMesa)) { - fxMesa->ColorCombineExt.SourceA = GR_CMBX_ITRGB; - fxMesa->ColorCombineExt.ModeA = GR_FUNC_MODE_X; - fxMesa->ColorCombineExt.SourceB = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.ModeB = GR_FUNC_MODE_ZERO; - fxMesa->ColorCombineExt.SourceC = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.InvertC = FXTRUE; - fxMesa->ColorCombineExt.SourceD = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.InvertD = FXFALSE; - fxMesa->ColorCombineExt.Shift = 0; - fxMesa->ColorCombineExt.Invert = FXFALSE; - fxMesa->AlphaCombineExt.SourceA = GR_CMBX_ITALPHA; - fxMesa->AlphaCombineExt.ModeA = GR_FUNC_MODE_X; - fxMesa->AlphaCombineExt.SourceB = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.ModeB = GR_FUNC_MODE_ZERO; - fxMesa->AlphaCombineExt.SourceC = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.InvertC = FXTRUE; - fxMesa->AlphaCombineExt.SourceD = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.InvertD = FXFALSE; - fxMesa->AlphaCombineExt.Shift = 0; - fxMesa->AlphaCombineExt.Invert = FXFALSE; - } - else { - /* Voodoo 3*/ - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_NONE; - fxMesa->ColorCombine.Local = GR_COMBINE_LOCAL_ITERATED; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->ColorCombine.Invert = FXFALSE; - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_NONE; - fxMesa->AlphaCombine.Local = GR_COMBINE_LOCAL_ITERATED; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->AlphaCombine.Invert = FXFALSE; - } - - fxMesa->TexState.Enabled[0] = 0; - fxMesa->TexState.Enabled[1] = 0; - fxMesa->TexState.EnvMode[0] = 0; - fxMesa->TexState.EnvMode[1] = 0; - - fxMesa->dirty |= TDFX_UPLOAD_COLOR_COMBINE; - fxMesa->dirty |= TDFX_UPLOAD_ALPHA_COMBINE; - - if (ctx->Texture.Unit[0]._ReallyEnabled != 0 || - ctx->Texture.Unit[1]._ReallyEnabled != 0) { - /* software texture (cube map, rect tex, etc */ - FALLBACK(fxMesa, TDFX_FALLBACK_TEXTURE_ENV, GL_TRUE); - } - } -} - - - -/* - * This is a special case of texture state update. - * It's used when we've simply bound a new texture to a texture - * unit and the new texture has the exact same attributes as the - * previously bound texture. - * This is very common in Quake3. - */ -void -tdfxUpdateTextureBinding( GLcontext *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - struct gl_texture_object *tObj0 = ctx->Texture.Unit[0]._Current; - struct gl_texture_object *tObj1 = ctx->Texture.Unit[1]._Current; - tdfxTexInfo *ti0 = TDFX_TEXTURE_DATA(tObj0); - tdfxTexInfo *ti1 = TDFX_TEXTURE_DATA(tObj1); - - const struct gl_shared_state *mesaShared = fxMesa->glCtx->Shared; - const struct tdfxSharedState *shared = (struct tdfxSharedState *) mesaShared->DriverData; - - if (ti0) { - fxMesa->sScale0 = ti0->sScale; - fxMesa->tScale0 = ti0->tScale; - if (ti0->info.format == GR_TEXFMT_P_8) { - fxMesa->TexPalette.Type = ti0->paltype; - fxMesa->TexPalette.Data = &(ti0->palette); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PALETTE; - } - else if (ti1 && ti1->info.format == GR_TEXFMT_P_8) { - fxMesa->TexPalette.Type = ti1->paltype; - fxMesa->TexPalette.Data = &(ti1->palette); - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_PALETTE; - } - } - if (ti1) { - fxMesa->sScale1 = ti1->sScale; - fxMesa->tScale1 = ti1->tScale; - } - - if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT) && - ctx->Texture.Unit[0]._ReallyEnabled == 0) { - /* Only unit 0 2D enabled */ - if (shared->umaTexMemory) { - fxMesa->TexSource[0].StartAddress = ti0->tm[0]->startAddr; - fxMesa->TexSource[0].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[0].Info = &(ti0->info); - } - else { - if (ti0->LODblend && ti0->whichTMU == TDFX_TMU_SPLIT) { - fxMesa->TexSource[0].StartAddress = ti0->tm[TDFX_TMU0]->startAddr; - fxMesa->TexSource[0].EvenOdd = GR_MIPMAPLEVELMASK_ODD; - fxMesa->TexSource[0].Info = &(ti0->info); - fxMesa->TexSource[1].StartAddress = ti0->tm[TDFX_TMU1]->startAddr; - fxMesa->TexSource[1].EvenOdd = GR_MIPMAPLEVELMASK_EVEN; - fxMesa->TexSource[1].Info = &(ti0->info); - } - else { - FxU32 tmu; - if (ti0->whichTMU == TDFX_TMU_BOTH) - tmu = TDFX_TMU0; - else - tmu = ti0->whichTMU; - fxMesa->TexSource[0].Info = NULL; - fxMesa->TexSource[1].Info = NULL; - if (ti0->tm[tmu]) { - fxMesa->TexSource[tmu].StartAddress = ti0->tm[tmu]->startAddr; - fxMesa->TexSource[tmu].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu].Info = &(ti0->info); - } - } - } - } - else if (ctx->Texture.Unit[0]._ReallyEnabled == 0 && - ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) { - /* Only unit 1 2D enabled */ - if (shared->umaTexMemory) { - fxMesa->TexSource[0].StartAddress = ti1->tm[0]->startAddr; - fxMesa->TexSource[0].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[0].Info = &(ti1->info); - } - } - else if (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT) && - ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT|TEXTURE_2D_BIT)) { - /* Both 2D enabled */ - if (shared->umaTexMemory) { - const FxU32 tmu0 = 0, tmu1 = 1; - fxMesa->TexSource[tmu0].StartAddress = ti0->tm[0]->startAddr; - fxMesa->TexSource[tmu0].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu0].Info = &(ti0->info); - - fxMesa->TexSource[tmu1].StartAddress = ti1->tm[0]->startAddr; - fxMesa->TexSource[tmu1].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu1].Info = &(ti1->info); - } - else { - const FxU32 tmu0 = 0, tmu1 = 1; - fxMesa->TexSource[tmu0].StartAddress = ti0->tm[tmu0]->startAddr; - fxMesa->TexSource[tmu0].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu0].Info = &(ti0->info); - - fxMesa->TexSource[tmu1].StartAddress = ti1->tm[tmu1]->startAddr; - fxMesa->TexSource[tmu1].EvenOdd = GR_MIPMAPLEVELMASK_BOTH; - fxMesa->TexSource[tmu1].Info = &(ti1->info); - } - } - - - fxMesa->dirty |= TDFX_UPLOAD_TEXTURE_SOURCE; -} |