diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i830/i830_texstate.c | 20 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/mga/mga_texcombine.c | 66 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r200/r200_texstate.c | 940 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_texstate.c | 24 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/tdfx/tdfx_texstate.c | 128 | ||||
| -rw-r--r-- | src/mesa/main/attrib.c | 62 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 42 | ||||
| -rw-r--r-- | src/mesa/main/texstate.c | 387 | ||||
| -rw-r--r-- | src/mesa/main/texstore.c | 28 | ||||
| -rw-r--r-- | src/mesa/swrast/s_texture.c | 115 |
10 files changed, 753 insertions, 1059 deletions
diff --git a/src/mesa/drivers/dri/i830/i830_texstate.c b/src/mesa/drivers/dri/i830/i830_texstate.c index 8e93a5b8fef..19775db94cf 100644 --- a/src/mesa/drivers/dri/i830/i830_texstate.c +++ b/src/mesa/drivers/dri/i830/i830_texstate.c @@ -1021,14 +1021,14 @@ static void i830SetTexEnvCombine(i830ContextPtr imesa, GLuint args_RGB[3]; GLuint args_A[3]; GLuint texel_op = GetTexelOp(unit); - GLuint rgb_shift = texUnit->CombineScaleShiftRGB; - GLuint alpha_shift = texUnit->CombineScaleShiftA; + GLuint rgb_shift = texUnit->Combine.ScaleShiftRGB; + GLuint alpha_shift = texUnit->Combine.ScaleShiftA; int i; if(I830_DEBUG&DEBUG_TEXTURE) fprintf(stderr, "%s\n", __FUNCTION__); - switch(texUnit->CombineModeRGB) { + switch(texUnit->Combine.ModeRGB) { case GL_REPLACE: blendop = TEXBLENDOP_ARG1; break; @@ -1067,7 +1067,7 @@ static void i830SetTexEnvCombine(i830ContextPtr imesa, blendop |= (rgb_shift << TEXOP_SCALE_SHIFT); - switch(texUnit->CombineModeA) { + switch(texUnit->Combine.ModeA) { case GL_REPLACE: ablendop = TEXBLENDOP_ARG1; break; @@ -1090,8 +1090,8 @@ static void i830SetTexEnvCombine(i830ContextPtr imesa, return; } - if ( (texUnit->CombineModeRGB == GL_DOT3_RGBA_EXT) - || (texUnit->CombineModeRGB == GL_DOT3_RGBA) ) { + if ( (texUnit->Combine.ModeRGB == GL_DOT3_RGBA_EXT) + || (texUnit->Combine.ModeRGB == GL_DOT3_RGBA) ) { ablendop = TEXBLENDOP_DOT3; } @@ -1099,7 +1099,7 @@ static void i830SetTexEnvCombine(i830ContextPtr imesa, /* Handle RGB args */ for(i = 0; i < 3; i++) { - switch(texUnit->CombineSourceRGB[i]) { + switch(texUnit->Combine.SourceRGB[i]) { case GL_TEXTURE: args_RGB[i] = texel_op; break; @@ -1117,7 +1117,7 @@ static void i830SetTexEnvCombine(i830ContextPtr imesa, } - switch(texUnit->CombineOperandRGB[i]) { + switch(texUnit->Combine.OperandRGB[i]) { case GL_SRC_COLOR: args_RGB[i] |= 0; break; @@ -1138,7 +1138,7 @@ static void i830SetTexEnvCombine(i830ContextPtr imesa, /* Handle A args */ for(i = 0; i < 3; i++) { - switch(texUnit->CombineSourceA[i]) { + switch(texUnit->Combine.SourceA[i]) { case GL_TEXTURE: args_A[i] = texel_op; break; @@ -1156,7 +1156,7 @@ static void i830SetTexEnvCombine(i830ContextPtr imesa, } - switch(texUnit->CombineOperandA[i]) { + switch(texUnit->Combine.OperandA[i]) { case GL_SRC_ALPHA: args_A[i] |= 0; break; diff --git a/src/mesa/drivers/dri/mga/mga_texcombine.c b/src/mesa/drivers/dri/mga/mga_texcombine.c index ca7322a599d..bbfa29be5fe 100644 --- a/src/mesa/drivers/dri/mga/mga_texcombine.c +++ b/src/mesa/drivers/dri/mga/mga_texcombine.c @@ -52,7 +52,7 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) int args[3]; int i; - switch (texUnit->CombineModeRGB) { + switch (texUnit->Combine.ModeRGB) { case GL_REPLACE: numColorArgs = 1; break; @@ -72,7 +72,7 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) return GL_FALSE; } - switch (texUnit->CombineModeA) { + switch (texUnit->Combine.ModeA) { case GL_REPLACE: numAlphaArgs = 1; break; @@ -97,7 +97,7 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) } for (i = 0;i < numColorArgs; i++) { - switch (texUnit->CombineSourceRGB[i]) { + switch (texUnit->Combine.SourceRGB[i]) { case GL_TEXTURE: arg1[i] |= 0; arg2[i] |= ARG_DISABLE; @@ -181,11 +181,11 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) return GL_FALSE; } - switch (texUnit->CombineOperandRGB[i]) { + switch (texUnit->Combine.OperandRGB[i]) { case GL_SRC_COLOR: arg1[i] |= 0; arg2[i] |= 0; - if (texUnit->CombineSourceRGB[i] == GL_CONSTANT && + if (texUnit->Combine.SourceRGB[i] == GL_CONSTANT && RGBA_EQUAL( mmesa->envcolor[source] )) { alpha[i] |= 0; } else { @@ -195,7 +195,7 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) case GL_ONE_MINUS_SRC_COLOR: arg1[i] |= TD0_color_arg1_inv_enable; arg2[i] |= TD0_color_arg2_inv_enable; - if (texUnit->CombineSourceRGB[i] == GL_CONSTANT && + if (texUnit->Combine.SourceRGB[i] == GL_CONSTANT && RGBA_EQUAL( mmesa->envcolor[source] )) { alpha[i] |= (TD0_color_alpha1inv_enable | TD0_color_alpha2inv_enable); @@ -219,7 +219,7 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) } } - switch (texUnit->CombineModeRGB) { + switch (texUnit->Combine.ModeRGB) { case GL_MODULATE_ADD_ATI: case GL_MODULATE_SIGNED_ADD_ATI: /* Special handling for ATI_texture_env_combine3. @@ -302,12 +302,12 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) args[0] = MGA_ARG1; args[1] = MGA_ARG2; args[2] = MGA_ALPHA; } else if ((arg1[1] | arg2[0] | alpha[2]) != ARG_DISABLE && - texUnit->CombineModeRGB != GL_MODULATE_SUBTRACT_ATI) { + texUnit->Combine.ModeRGB != GL_MODULATE_SUBTRACT_ATI) { *reg |= arg1[1] | arg2[0] | alpha[2]; args[0] = MGA_ARG2; args[1] = MGA_ARG1; args[2] = MGA_ALPHA; } else if ((arg1[1] | arg2[2] | alpha[0]) != ARG_DISABLE && - texUnit->CombineModeRGB != GL_MODULATE_SUBTRACT_ATI) { + texUnit->Combine.ModeRGB != GL_MODULATE_SUBTRACT_ATI) { *reg |= arg1[1] | arg2[2] | alpha[0]; args[0] = MGA_ALPHA; args[1] = MGA_ARG1; args[2] = MGA_ARG2; } else @@ -328,9 +328,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) } } - switch (texUnit->CombineModeRGB) { + switch (texUnit->Combine.ModeRGB) { case GL_REPLACE: - if (texUnit->CombineScaleShiftRGB) { + if (texUnit->Combine.ScaleShiftRGB) { return GL_FALSE; } @@ -344,9 +344,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) } break; case GL_MODULATE: - if (texUnit->CombineScaleShiftRGB == 1) { + if (texUnit->Combine.ScaleShiftRGB == 1) { *reg |= TD0_color_modbright_2x; - } else if (texUnit->CombineScaleShiftRGB == 2) { + } else if (texUnit->Combine.ScaleShiftRGB == 2) { *reg |= TD0_color_modbright_4x; } @@ -368,9 +368,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) /* Can't get alpha to the adder */ return GL_FALSE; } - if (texUnit->CombineScaleShiftRGB == 1) { + if (texUnit->Combine.ScaleShiftRGB == 1) { *reg |= TD0_color_add2x_enable; - } else if (texUnit->CombineScaleShiftRGB == 2) { + } else if (texUnit->Combine.ScaleShiftRGB == 2) { return GL_FALSE; } @@ -382,9 +382,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) /* Only alpha can function as Arg2 */ return GL_FALSE; } - if (texUnit->CombineScaleShiftRGB == 1) { + if (texUnit->Combine.ScaleShiftRGB == 1) { *reg |= TD0_color_add2x_enable; - } else if (texUnit->CombineScaleShiftRGB == 2) { + } else if (texUnit->Combine.ScaleShiftRGB == 2) { return GL_FALSE; } @@ -422,9 +422,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) /* Can't get alpha to the adder */ return GL_FALSE; } - if (texUnit->CombineScaleShiftRGB == 1) { + if (texUnit->Combine.ScaleShiftRGB == 1) { *reg |= TD0_color_add2x_enable; - } else if (texUnit->CombineScaleShiftRGB == 2) { + } else if (texUnit->Combine.ScaleShiftRGB == 2) { return GL_FALSE; } @@ -445,9 +445,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) /* Can't get alpha to the adder */ return GL_FALSE; } - if (texUnit->CombineScaleShiftRGB == 1) { + if (texUnit->Combine.ScaleShiftRGB == 1) { *reg |= TD0_color_add2x_enable; - } else if (texUnit->CombineScaleShiftRGB == 2) { + } else if (texUnit->Combine.ScaleShiftRGB == 2) { return GL_FALSE; } @@ -487,9 +487,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) /* Can't swap arguments */ return GL_FALSE; } - if (texUnit->CombineScaleShiftRGB == 1) { + if (texUnit->Combine.ScaleShiftRGB == 1) { *reg |= TD0_color_add2x_enable; - } else if (texUnit->CombineScaleShiftRGB == 2) { + } else if (texUnit->Combine.ScaleShiftRGB == 2) { return GL_FALSE; } @@ -515,7 +515,7 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) } for (i = 0; i < numAlphaArgs; i++) { - switch (texUnit->CombineSourceA[i]) { + switch (texUnit->Combine.SourceA[i]) { case GL_TEXTURE: arg1[i] |= 0; arg2[i] |= ARG_DISABLE; @@ -589,7 +589,7 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) return GL_FALSE; } - switch (texUnit->CombineOperandA[i]) { + switch (texUnit->Combine.OperandA[i]) { case GL_SRC_ALPHA: arg1[i] |= 0; arg2[i] |= 0; @@ -614,9 +614,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) return GL_FALSE; } - switch (texUnit->CombineModeA) { + switch (texUnit->Combine.ModeA) { case GL_REPLACE: - if (texUnit->CombineScaleShiftA) { + if (texUnit->Combine.ScaleShiftA) { return GL_FALSE; } @@ -627,9 +627,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) } break; case GL_MODULATE: - if (texUnit->CombineScaleShiftA == 1) { + if (texUnit->Combine.ScaleShiftA == 1) { *reg |= TD0_alpha_modbright_2x; - } else if (texUnit->CombineScaleShiftA == 2) { + } else if (texUnit->Combine.ScaleShiftA == 2) { *reg |= TD0_alpha_modbright_4x; } @@ -639,9 +639,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) *reg |= TD0_alpha_addbias_enable; /* fallthrough */ case GL_ADD: - if (texUnit->CombineScaleShiftA == 1) { + if (texUnit->Combine.ScaleShiftA == 1) { *reg |= TD0_alpha_add2x_enable; - } else if (texUnit->CombineScaleShiftA == 2) { + } else if (texUnit->Combine.ScaleShiftA == 2) { return GL_FALSE; } @@ -649,9 +649,9 @@ GLboolean mgaUpdateTextureEnvCombine( GLcontext *ctx, int unit ) TD0_alpha_sel_add); break; case GL_SUBTRACT: - if (texUnit->CombineScaleShiftA == 1) { + if (texUnit->Combine.ScaleShiftA == 1) { *reg |= TD0_alpha_add2x_enable; - } else if (texUnit->CombineScaleShiftA == 2) { + } else if (texUnit->Combine.ScaleShiftA == 2) { return GL_FALSE; } diff --git a/src/mesa/drivers/dri/r200/r200_texstate.c b/src/mesa/drivers/dri/r200/r200_texstate.c index 8e171669c43..dbd15ac7eac 100644 --- a/src/mesa/drivers/dri/r200/r200_texstate.c +++ b/src/mesa/drivers/dri/r200/r200_texstate.c @@ -279,304 +279,6 @@ static void r200SetTexImages( r200ContextPtr rmesa, * Texture combine functions */ -#define R200_DISABLE 0 -#define R200_REPLACE 1 -#define R200_MODULATE 2 -#define R200_DECAL 3 -#define R200_BLEND 4 -#define R200_ADD 5 -#define R200_MAX_COMBFUNC 6 - -static GLuint r200_color_combine[][R200_MAX_COMBFUNC] = -{ - /* Unit 0: - */ - { - /* Disable combiner stage - */ - (R200_TXC_ARG_A_ZERO | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_DIFFUSE_COLOR | - R200_TXC_OP_MADD), - - /* GL_REPLACE = 0x00802800 - */ - (R200_TXC_ARG_A_ZERO | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_R0_COLOR | - R200_TXC_OP_MADD), - - /* GL_MODULATE = 0x00800142 - */ - (R200_TXC_ARG_A_DIFFUSE_COLOR | /* current starts in DIFFUSE */ - R200_TXC_ARG_B_R0_COLOR | - R200_TXC_ARG_C_ZERO | - R200_TXC_OP_MADD), - - /* GL_DECAL = 0x008c2d42 - */ - (R200_TXC_ARG_A_DIFFUSE_COLOR | - R200_TXC_ARG_B_R0_COLOR | - R200_TXC_ARG_C_R0_ALPHA | - R200_TXC_OP_LERP), - - /* GL_BLEND = 0x008c2902 - */ - (R200_TXC_ARG_A_DIFFUSE_COLOR | - R200_TXC_ARG_B_TFACTOR_COLOR | - R200_TXC_ARG_C_R0_COLOR | - R200_TXC_OP_LERP), - - /* GL_ADD = 0x00812802 - */ - (R200_TXC_ARG_A_DIFFUSE_COLOR | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_R0_COLOR | - R200_TXC_COMP_ARG_B | - R200_TXC_OP_MADD), - }, - - /* Unit 1: - */ - { - /* Disable combiner stage - */ - (R200_TXC_ARG_A_ZERO | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_R0_COLOR | - R200_TXC_OP_MADD), - - /* GL_REPLACE = 0x00803000 - */ - (R200_TXC_ARG_A_ZERO | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_R1_COLOR | - R200_TXC_OP_MADD), - - /* GL_MODULATE = 0x00800182 - */ - (R200_TXC_ARG_A_R0_COLOR | /* current in R0 thereafter */ - R200_TXC_ARG_B_R1_COLOR | - R200_TXC_ARG_C_ZERO | - R200_TXC_OP_MADD), - - /* GL_DECAL = 0x008c3582 - */ - (R200_TXC_ARG_A_R0_COLOR | - R200_TXC_ARG_B_R1_COLOR | - R200_TXC_ARG_C_R1_ALPHA | - R200_TXC_OP_LERP), - - /* GL_BLEND = 0x008c3102 - */ - (R200_TXC_ARG_A_R0_COLOR | - R200_TXC_ARG_B_TFACTOR_COLOR | - R200_TXC_ARG_C_R1_COLOR | - R200_TXC_OP_LERP), - - /* GL_ADD = 0x00813002 - */ - (R200_TXC_ARG_A_R0_COLOR | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_R1_COLOR | - R200_TXC_COMP_ARG_B | - R200_TXC_OP_MADD), - }, - - /* Unit 2: - */ - { - /* Disable combiner stage - */ - (R200_TXC_ARG_A_ZERO | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_R0_COLOR | - R200_TXC_OP_MADD), - - /* GL_REPLACE = 0x00803800 - */ - (R200_TXC_ARG_A_ZERO | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_R2_COLOR | - R200_TXC_OP_MADD), - - /* GL_MODULATE = 0x008001c2 - */ - (R200_TXC_ARG_A_R0_COLOR | - R200_TXC_ARG_B_R2_COLOR | - R200_TXC_ARG_C_ZERO | - R200_TXC_OP_MADD), - - /* GL_DECAL = 0x008c3dc2 - */ - (R200_TXC_ARG_A_R0_COLOR | - R200_TXC_ARG_B_R2_COLOR | - R200_TXC_ARG_C_R2_ALPHA | - R200_TXC_OP_LERP), - - /* GL_BLEND = 0x008c3902 - */ - (R200_TXC_ARG_A_R0_COLOR | - R200_TXC_ARG_B_TFACTOR_COLOR | - R200_TXC_ARG_C_R2_COLOR | - R200_TXC_OP_LERP), - - /* GL_ADD = 0x00813802 - */ - (R200_TXC_ARG_A_R0_COLOR | - R200_TXC_ARG_B_ZERO | - R200_TXC_ARG_C_R2_COLOR | - R200_TXC_COMP_ARG_B | - R200_TXC_OP_MADD), - } -}; - -static GLuint r200_alpha_combine[][R200_MAX_COMBFUNC] = -{ - /* Unit 0: - */ - { - /* Disable combiner stage - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_DIFFUSE_ALPHA | - R200_TXA_OP_MADD), - - - /* GL_REPLACE = 0x00800500 - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R0_ALPHA | - R200_TXA_OP_MADD), - - /* GL_MODULATE = 0x00800051 - */ - (R200_TXA_ARG_A_DIFFUSE_ALPHA | - R200_TXA_ARG_B_R0_ALPHA | - R200_TXA_ARG_C_ZERO | - R200_TXA_OP_MADD), - - /* GL_DECAL = 0x00800100 - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_DIFFUSE_ALPHA | - R200_TXA_OP_MADD), - - /* GL_BLEND = 0x00800051 - */ - (R200_TXA_ARG_A_DIFFUSE_ALPHA | - R200_TXA_ARG_B_TFACTOR_ALPHA | - R200_TXA_ARG_C_R0_ALPHA | - R200_TXA_OP_LERP), - - /* GL_ADD = 0x00800051 - */ - (R200_TXA_ARG_A_DIFFUSE_ALPHA | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R0_ALPHA | - R200_TXA_COMP_ARG_B | - R200_TXA_OP_MADD), - }, - - /* Unit 1: - */ - { - /* Disable combiner stage - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R0_ALPHA | - R200_TXA_OP_MADD), - - /* GL_REPLACE = 0x00800600 - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R1_ALPHA | - R200_TXA_OP_MADD), - - /* GL_MODULATE = 0x00800061 - */ - (R200_TXA_ARG_A_R0_ALPHA | - R200_TXA_ARG_B_R1_ALPHA | - R200_TXA_ARG_C_ZERO | - R200_TXA_OP_MADD), - - /* GL_DECAL = 0x00800100 - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R0_ALPHA | - R200_TXA_OP_MADD), - - /* GL_BLEND = 0x00800061 - */ - (R200_TXA_ARG_A_R0_ALPHA | - R200_TXA_ARG_B_TFACTOR_ALPHA | - R200_TXA_ARG_C_R1_ALPHA | - R200_TXA_OP_LERP), - - /* GL_ADD = 0x00800061 - */ - (R200_TXA_ARG_A_R0_ALPHA | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R1_ALPHA | - R200_TXA_COMP_ARG_B | - R200_TXA_OP_MADD), - }, - - /* Unit 2: - */ - { - /* Disable combiner stage - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R0_ALPHA | - R200_TXA_OP_MADD), - - /* GL_REPLACE = 0x00800700 - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R2_ALPHA | - R200_TXA_OP_MADD), - - /* GL_MODULATE = 0x00800071 - */ - (R200_TXA_ARG_A_R0_ALPHA | - R200_TXA_ARG_B_R2_ALPHA | - R200_TXA_ARG_C_ZERO | - R200_TXA_OP_MADD), - - /* GL_DECAL = 0x00800100 - */ - (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R0_ALPHA | - R200_TXA_OP_MADD), - - /* GL_BLEND = 0x00800071 - */ - (R200_TXA_ARG_A_R0_ALPHA | - R200_TXA_ARG_B_TFACTOR_ALPHA | - R200_TXA_ARG_C_R2_ALPHA | - R200_TXA_OP_LERP), - - /* GL_ADD = 0x00800021 - */ - (R200_TXA_ARG_A_R0_ALPHA | - R200_TXA_ARG_B_ZERO | - R200_TXA_ARG_C_R2_ALPHA | - R200_TXA_COMP_ARG_B | - R200_TXA_OP_MADD), - } -}; - - /* GL_ARB_texture_env_combine support */ @@ -731,443 +433,283 @@ static GLboolean r200UpdateTextureEnv( GLcontext *ctx, int unit ) */ rmesa->state.texture.unit[unit].format = 0; rmesa->state.texture.unit[unit].envMode = 0; - color_combine = r200_color_combine[unit][R200_DISABLE]; - alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; + if ( unit == 0 ) { + color_combine = R200_TXC_ARG_A_ZERO | R200_TXC_ARG_B_ZERO + | R200_TXC_ARG_C_DIFFUSE_COLOR | R200_TXC_OP_MADD; + alpha_combine = R200_TXA_ARG_A_ZERO | R200_TXA_ARG_B_ZERO + | R200_TXA_ARG_C_DIFFUSE_ALPHA | R200_TXA_OP_MADD; + } + else { + color_combine = R200_TXC_ARG_A_ZERO | R200_TXC_ARG_B_ZERO + | R200_TXC_ARG_C_R0_COLOR | R200_TXC_OP_MADD; + alpha_combine = R200_TXA_ARG_A_ZERO | R200_TXA_ARG_B_ZERO + | R200_TXA_ARG_C_R0_ALPHA | R200_TXA_OP_MADD; + } } else { - const struct gl_texture_object *tObj = texUnit->_Current; - const GLenum format = tObj->Image[0][tObj->BaseLevel]->Format; GLuint color_arg[3], alpha_arg[3]; - GLuint i, numColorArgs = 0, numAlphaArgs = 0; - GLuint RGBshift = texUnit->CombineScaleShiftRGB; - GLuint Ashift = texUnit->CombineScaleShiftA; - - switch ( texUnit->EnvMode ) { - case GL_REPLACE: - switch ( format ) { - case GL_RGBA: - case GL_LUMINANCE_ALPHA: - case GL_INTENSITY: - color_combine = r200_color_combine[unit][R200_REPLACE]; - alpha_combine = r200_alpha_combine[unit][R200_REPLACE]; - break; - case GL_ALPHA: - color_combine = r200_color_combine[unit][R200_DISABLE]; - alpha_combine = r200_alpha_combine[unit][R200_REPLACE]; - break; - case GL_LUMINANCE: - case GL_RGB: - case GL_YCBCR_MESA: - color_combine = r200_color_combine[unit][R200_REPLACE]; - alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; - break; - case GL_COLOR_INDEX: - default: - return GL_FALSE; - } - break; + GLuint i; + const GLuint numColorArgs = texUnit->_CurrentCombine->_NumArgsRGB; + const GLuint numAlphaArgs = texUnit->_CurrentCombine->_NumArgsA; + GLuint RGBshift = texUnit->_CurrentCombine->ScaleShiftRGB; + GLuint Ashift = texUnit->_CurrentCombine->ScaleShiftA; - case GL_MODULATE: - switch ( format ) { - case GL_RGBA: - case GL_LUMINANCE_ALPHA: - case GL_INTENSITY: - color_combine = r200_color_combine[unit][R200_MODULATE]; - alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; - break; - case GL_ALPHA: - color_combine = r200_color_combine[unit][R200_DISABLE]; - alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; - break; - case GL_RGB: - case GL_LUMINANCE: - case GL_YCBCR_MESA: - color_combine = r200_color_combine[unit][R200_MODULATE]; - alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; - break; - case GL_COLOR_INDEX: - default: - return GL_FALSE; - } - break; + /* Don't cache these results. + */ + rmesa->state.texture.unit[unit].format = 0; + rmesa->state.texture.unit[unit].envMode = 0; - case GL_DECAL: - switch ( format ) { - case GL_RGBA: - case GL_RGB: - case GL_YCBCR_MESA: - color_combine = r200_color_combine[unit][R200_DECAL]; - alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; - break; - case GL_ALPHA: - case GL_LUMINANCE: - case GL_LUMINANCE_ALPHA: - case GL_INTENSITY: - color_combine = r200_color_combine[unit][R200_DISABLE]; - alpha_combine = r200_alpha_combine[unit][R200_DISABLE]; - break; - case GL_COLOR_INDEX: - default: - return GL_FALSE; - } - break; - case GL_BLEND: - switch ( format ) { - case GL_RGBA: - case GL_RGB: - case GL_LUMINANCE: - case GL_LUMINANCE_ALPHA: - case GL_YCBCR_MESA: - color_combine = r200_color_combine[unit][R200_BLEND]; - alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; + /* Step 1: + * Extract the color and alpha combine function arguments. + */ + for ( i = 0 ; i < numColorArgs ; i++ ) { + const GLuint op = texUnit->_CurrentCombine->OperandRGB[i] - GL_SRC_COLOR; + assert(op >= 0); + assert(op <= 3); + switch ( texUnit->_CurrentCombine->SourceRGB[i] ) { + case GL_TEXTURE: + color_arg[i] = r200_register_color[op][unit]; break; - case GL_ALPHA: - color_combine = r200_color_combine[unit][R200_DISABLE]; - alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; + case GL_CONSTANT: + color_arg[i] = r200_tfactor_color[op]; break; - case GL_INTENSITY: - color_combine = r200_color_combine[unit][R200_BLEND]; - alpha_combine = r200_alpha_combine[unit][R200_BLEND]; + case GL_PRIMARY_COLOR: + color_arg[i] = r200_primary_color[op]; break; - case GL_COLOR_INDEX: - default: - return GL_FALSE; - } - break; - - case GL_ADD: - switch ( format ) { - case GL_RGBA: - case GL_RGB: - case GL_LUMINANCE: - case GL_LUMINANCE_ALPHA: - case GL_YCBCR_MESA: - color_combine = r200_color_combine[unit][R200_ADD]; - alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; + case GL_PREVIOUS: + if (unit == 0) + color_arg[i] = r200_primary_color[op]; + else + color_arg[i] = r200_register_color[op][0]; break; - case GL_ALPHA: - color_combine = r200_color_combine[unit][R200_DISABLE]; - alpha_combine = r200_alpha_combine[unit][R200_MODULATE]; + case GL_ZERO: + color_arg[i] = r200_zero_color[op]; break; - case GL_INTENSITY: - color_combine = r200_color_combine[unit][R200_ADD]; - alpha_combine = r200_alpha_combine[unit][R200_ADD]; + case GL_ONE: + color_arg[i] = r200_zero_color[op+1]; break; - case GL_COLOR_INDEX: default: return GL_FALSE; } - break; - - case GL_COMBINE: - /* Don't cache these results. - */ - rmesa->state.texture.unit[unit].format = 0; - rmesa->state.texture.unit[unit].envMode = 0; + } - /* Step 0: - * Calculate how many arguments we need to process. - */ - switch ( texUnit->CombineModeRGB ) { - case GL_REPLACE: - numColorArgs = 1; + for ( i = 0 ; i < numAlphaArgs ; i++ ) { + const GLuint op = texUnit->_CurrentCombine->OperandA[i] - GL_SRC_ALPHA; + assert(op >= 0); + assert(op <= 1); + switch ( texUnit->_CurrentCombine->SourceA[i] ) { + case GL_TEXTURE: + alpha_arg[i] = r200_register_alpha[op][unit]; break; - case GL_MODULATE: - case GL_ADD: - case GL_ADD_SIGNED: - case GL_SUBTRACT: - case GL_DOT3_RGB: - case GL_DOT3_RGBA: - case GL_DOT3_RGB_EXT: - case GL_DOT3_RGBA_EXT: - numColorArgs = 2; + case GL_CONSTANT: + alpha_arg[i] = r200_tfactor_alpha[op]; break; - case GL_INTERPOLATE: - case GL_MODULATE_ADD_ATI: - case GL_MODULATE_SIGNED_ADD_ATI: - case GL_MODULATE_SUBTRACT_ATI: - numColorArgs = 3; + case GL_PRIMARY_COLOR: + alpha_arg[i] = r200_primary_alpha[op]; break; - default: - return GL_FALSE; - } - - switch ( texUnit->CombineModeA ) { - case GL_REPLACE: - numAlphaArgs = 1; + case GL_PREVIOUS: + if (unit == 0) + alpha_arg[i] = r200_primary_alpha[op]; + else + alpha_arg[i] = r200_register_alpha[op][0]; break; - case GL_MODULATE: - case GL_ADD: - case GL_ADD_SIGNED: - case GL_SUBTRACT: - numAlphaArgs = 2; + case GL_ZERO: + alpha_arg[i] = r200_zero_alpha[op]; break; - case GL_INTERPOLATE: - case GL_MODULATE_ADD_ATI: - case GL_MODULATE_SIGNED_ADD_ATI: - case GL_MODULATE_SUBTRACT_ATI: - numAlphaArgs = 3; + case GL_ONE: + alpha_arg[i] = r200_zero_alpha[op+1]; break; default: return GL_FALSE; } + } - /* Step 1: - * Extract the color and alpha combine function arguments. - */ - for ( i = 0 ; i < numColorArgs ; i++ ) { - const GLuint op = texUnit->CombineOperandRGB[i] - GL_SRC_COLOR; - assert(op >= 0); - assert(op <= 3); - switch ( texUnit->CombineSourceRGB[i] ) { - case GL_TEXTURE: - color_arg[i] = r200_register_color[op][unit]; - break; - case GL_CONSTANT: - color_arg[i] = r200_tfactor_color[op]; - break; - case GL_PRIMARY_COLOR: - color_arg[i] = r200_primary_color[op]; - break; - case GL_PREVIOUS: - if (unit == 0) - color_arg[i] = r200_primary_color[op]; - else - color_arg[i] = r200_register_color[op][0]; - break; - case GL_ZERO: - color_arg[i] = r200_zero_color[op]; - break; - case GL_ONE: - color_arg[i] = r200_zero_color[op+1]; - break; - default: - return GL_FALSE; - } - } - - for ( i = 0 ; i < numAlphaArgs ; i++ ) { - const GLuint op = texUnit->CombineOperandA[i] - GL_SRC_ALPHA; - assert(op >= 0); - assert(op <= 1); - switch ( texUnit->CombineSourceA[i] ) { - case GL_TEXTURE: - alpha_arg[i] = r200_register_alpha[op][unit]; - break; - case GL_CONSTANT: - alpha_arg[i] = r200_tfactor_alpha[op]; - break; - case GL_PRIMARY_COLOR: - alpha_arg[i] = r200_primary_alpha[op]; - break; - case GL_PREVIOUS: - if (unit == 0) - alpha_arg[i] = r200_primary_alpha[op]; - else - alpha_arg[i] = r200_register_alpha[op][0]; - break; - case GL_ZERO: - alpha_arg[i] = r200_zero_alpha[op]; - break; - case GL_ONE: - alpha_arg[i] = r200_zero_alpha[op+1]; - break; - default: - return GL_FALSE; - } - } + /* Step 2: + * Build up the color and alpha combine functions. + */ + switch ( texUnit->_CurrentCombine->ModeRGB ) { + case GL_REPLACE: + color_combine = (R200_TXC_ARG_A_ZERO | + R200_TXC_ARG_B_ZERO | + R200_TXC_OP_MADD); + R200_COLOR_ARG( 0, C ); + break; + case GL_MODULATE: + color_combine = (R200_TXC_ARG_C_ZERO | + R200_TXC_OP_MADD); + R200_COLOR_ARG( 0, A ); + R200_COLOR_ARG( 1, B ); + break; + case GL_ADD: + color_combine = (R200_TXC_ARG_B_ZERO | + R200_TXC_COMP_ARG_B | + R200_TXC_OP_MADD); + R200_COLOR_ARG( 0, A ); + R200_COLOR_ARG( 1, C ); + break; + case GL_ADD_SIGNED: + color_combine = (R200_TXC_ARG_B_ZERO | + R200_TXC_COMP_ARG_B | + R200_TXC_BIAS_ARG_C | /* new */ + R200_TXC_OP_MADD); /* was ADDSIGNED */ + R200_COLOR_ARG( 0, A ); + R200_COLOR_ARG( 1, C ); + break; + case GL_SUBTRACT: + color_combine = (R200_TXC_ARG_B_ZERO | + R200_TXC_COMP_ARG_B | + R200_TXC_NEG_ARG_C | + R200_TXC_OP_MADD); + R200_COLOR_ARG( 0, A ); + R200_COLOR_ARG( 1, C ); + break; + case GL_INTERPOLATE: + color_combine = (R200_TXC_OP_LERP); + R200_COLOR_ARG( 0, B ); + R200_COLOR_ARG( 1, A ); + R200_COLOR_ARG( 2, C ); + break; - /* Step 2: - * Build up the color and alpha combine functions. + case GL_DOT3_RGB_EXT: + case GL_DOT3_RGBA_EXT: + /* The EXT version of the DOT3 extension does not support the + * scale factor, but the ARB version (and the version in OpenGL + * 1.3) does. + */ + RGBshift = 0; + Ashift = 0; + /* FALLTHROUGH */ + + case GL_DOT3_RGB: + case GL_DOT3_RGBA: + /* DOT3 works differently on R200 than on R100. On R100, just + * setting the DOT3 mode did everything for you. On R200, the + * driver has to enable the biasing and scale in the inputs to + * put them in the proper [-1,1] range. This is what the 4x and + * the -0.5 in the DOT3 spec do. The post-scale is then set + * normally. */ - switch ( texUnit->CombineModeRGB ) { - case GL_REPLACE: - color_combine = (R200_TXC_ARG_A_ZERO | - R200_TXC_ARG_B_ZERO | - R200_TXC_OP_MADD); - R200_COLOR_ARG( 0, C ); - break; - case GL_MODULATE: - color_combine = (R200_TXC_ARG_C_ZERO | - R200_TXC_OP_MADD); - R200_COLOR_ARG( 0, A ); - R200_COLOR_ARG( 1, B ); - break; - case GL_ADD: - color_combine = (R200_TXC_ARG_B_ZERO | - R200_TXC_COMP_ARG_B | - R200_TXC_OP_MADD); - R200_COLOR_ARG( 0, A ); - R200_COLOR_ARG( 1, C ); - break; - case GL_ADD_SIGNED: - color_combine = (R200_TXC_ARG_B_ZERO | - R200_TXC_COMP_ARG_B | - R200_TXC_BIAS_ARG_C | /* new */ - R200_TXC_OP_MADD); /* was ADDSIGNED */ - R200_COLOR_ARG( 0, A ); - R200_COLOR_ARG( 1, C ); - break; - case GL_SUBTRACT: - color_combine = (R200_TXC_ARG_B_ZERO | - R200_TXC_COMP_ARG_B | - R200_TXC_NEG_ARG_C | - R200_TXC_OP_MADD); - R200_COLOR_ARG( 0, A ); - R200_COLOR_ARG( 1, C ); - break; - case GL_INTERPOLATE: - color_combine = (R200_TXC_OP_LERP); - R200_COLOR_ARG( 0, B ); - R200_COLOR_ARG( 1, A ); - R200_COLOR_ARG( 2, C ); - break; - - case GL_DOT3_RGB_EXT: - case GL_DOT3_RGBA_EXT: - /* The EXT version of the DOT3 extension does not support the - * scale factor, but the ARB version (and the version in OpenGL - * 1.3) does. - */ - RGBshift = 0; - Ashift = 0; - /* FALLTHROUGH */ - - case GL_DOT3_RGB: - case GL_DOT3_RGBA: - /* DOT3 works differently on R200 than on R100. On R100, just - * setting the DOT3 mode did everything for you. On R200, the - * driver has to enable the biasing and scale in the inputs to - * put them in the proper [-1,1] range. This is what the 4x and - * the -0.5 in the DOT3 spec do. The post-scale is then set - * normally. - */ - - RGBshift++; - Ashift = RGBshift; - - color_combine = (R200_TXC_ARG_C_ZERO | - R200_TXC_OP_DOT3 | - R200_TXC_BIAS_ARG_A | - R200_TXC_BIAS_ARG_B | - R200_TXC_SCALE_ARG_A | - R200_TXC_SCALE_ARG_B); - R200_COLOR_ARG( 0, A ); - R200_COLOR_ARG( 1, B ); - break; - - case GL_MODULATE_ADD_ATI: - color_combine = (R200_TXC_OP_MADD); - R200_COLOR_ARG( 0, A ); - R200_COLOR_ARG( 1, C ); - R200_COLOR_ARG( 2, B ); - break; - case GL_MODULATE_SIGNED_ADD_ATI: - color_combine = (R200_TXC_BIAS_ARG_C | /* new */ - R200_TXC_OP_MADD); /* was ADDSIGNED */ - R200_COLOR_ARG( 0, A ); - R200_COLOR_ARG( 1, C ); - R200_COLOR_ARG( 2, B ); - break; - case GL_MODULATE_SUBTRACT_ATI: - color_combine = (R200_TXC_NEG_ARG_C | - R200_TXC_OP_MADD); - R200_COLOR_ARG( 0, A ); - R200_COLOR_ARG( 1, C ); - R200_COLOR_ARG( 2, B ); - break; - default: - return GL_FALSE; - } - - switch ( texUnit->CombineModeA ) { - case GL_REPLACE: - alpha_combine = (R200_TXA_ARG_A_ZERO | - R200_TXA_ARG_B_ZERO | - R200_TXA_OP_MADD); - R200_ALPHA_ARG( 0, C ); - break; - case GL_MODULATE: - alpha_combine = (R200_TXA_ARG_C_ZERO | - R200_TXA_OP_MADD); - R200_ALPHA_ARG( 0, A ); - R200_ALPHA_ARG( 1, B ); - break; - case GL_ADD: - alpha_combine = (R200_TXA_ARG_B_ZERO | - R200_TXA_COMP_ARG_B | - R200_TXA_OP_MADD); - R200_ALPHA_ARG( 0, A ); - R200_ALPHA_ARG( 1, C ); - break; - case GL_ADD_SIGNED: - alpha_combine = (R200_TXA_ARG_B_ZERO | - R200_TXA_COMP_ARG_B | - R200_TXA_BIAS_ARG_C | /* new */ - R200_TXA_OP_MADD); /* was ADDSIGNED */ - R200_ALPHA_ARG( 0, A ); - R200_ALPHA_ARG( 1, C ); - break; - case GL_SUBTRACT: - alpha_combine = (R200_TXA_ARG_B_ZERO | - R200_TXA_COMP_ARG_B | - R200_TXA_NEG_ARG_C | - R200_TXA_OP_MADD); - R200_ALPHA_ARG( 0, A ); - R200_ALPHA_ARG( 1, C ); - break; - case GL_INTERPOLATE: - alpha_combine = (R200_TXA_OP_LERP); - R200_ALPHA_ARG( 0, B ); - R200_ALPHA_ARG( 1, A ); - R200_ALPHA_ARG( 2, C ); - break; - - case GL_MODULATE_ADD_ATI: - alpha_combine = (R200_TXA_OP_MADD); - R200_ALPHA_ARG( 0, A ); - R200_ALPHA_ARG( 1, C ); - R200_ALPHA_ARG( 2, B ); - break; - case GL_MODULATE_SIGNED_ADD_ATI: - alpha_combine = (R200_TXA_BIAS_ARG_C | /* new */ - R200_TXA_OP_MADD); /* was ADDSIGNED */ - R200_ALPHA_ARG( 0, A ); - R200_ALPHA_ARG( 1, C ); - R200_ALPHA_ARG( 2, B ); - break; - case GL_MODULATE_SUBTRACT_ATI: - alpha_combine = (R200_TXA_NEG_ARG_C | - R200_TXA_OP_MADD); - R200_ALPHA_ARG( 0, A ); - R200_ALPHA_ARG( 1, C ); - R200_ALPHA_ARG( 2, B ); - break; - default: - return GL_FALSE; - } - if ( (texUnit->CombineModeRGB == GL_DOT3_RGB_EXT) - || (texUnit->CombineModeRGB == GL_DOT3_RGB) ) { - alpha_scale |= R200_TXA_DOT_ALPHA; - } + RGBshift++; + Ashift = RGBshift; + + color_combine = (R200_TXC_ARG_C_ZERO | + R200_TXC_OP_DOT3 | + R200_TXC_BIAS_ARG_A | + R200_TXC_BIAS_ARG_B | + R200_TXC_SCALE_ARG_A | + R200_TXC_SCALE_ARG_B); + R200_COLOR_ARG( 0, A ); + R200_COLOR_ARG( 1, B ); + break; - /* Step 3: - * Apply the scale factor. - */ - color_scale &= ~R200_TXC_SCALE_MASK; - alpha_scale &= ~R200_TXA_SCALE_MASK; - color_scale |= (RGBshift << R200_TXC_SCALE_SHIFT); - alpha_scale |= (Ashift << R200_TXA_SCALE_SHIFT); + case GL_MODULATE_ADD_ATI: + color_combine = (R200_TXC_OP_MADD); + R200_COLOR_ARG( 0, A ); + R200_COLOR_ARG( 1, C ); + R200_COLOR_ARG( 2, B ); + break; + case GL_MODULATE_SIGNED_ADD_ATI: + color_combine = (R200_TXC_BIAS_ARG_C | /* new */ + R200_TXC_OP_MADD); /* was ADDSIGNED */ + R200_COLOR_ARG( 0, A ); + R200_COLOR_ARG( 1, C ); + R200_COLOR_ARG( 2, B ); + break; + case GL_MODULATE_SUBTRACT_ATI: + color_combine = (R200_TXC_NEG_ARG_C | + R200_TXC_OP_MADD); + R200_COLOR_ARG( 0, A ); + R200_COLOR_ARG( 1, C ); + R200_COLOR_ARG( 2, B ); + break; + default: + return GL_FALSE; + } - /* All done! - */ + switch ( texUnit->_CurrentCombine->ModeA ) { + case GL_REPLACE: + alpha_combine = (R200_TXA_ARG_A_ZERO | + R200_TXA_ARG_B_ZERO | + R200_TXA_OP_MADD); + R200_ALPHA_ARG( 0, C ); + break; + case GL_MODULATE: + alpha_combine = (R200_TXA_ARG_C_ZERO | + R200_TXA_OP_MADD); + R200_ALPHA_ARG( 0, A ); + R200_ALPHA_ARG( 1, B ); + break; + case GL_ADD: + alpha_combine = (R200_TXA_ARG_B_ZERO | + R200_TXA_COMP_ARG_B | + R200_TXA_OP_MADD); + R200_ALPHA_ARG( 0, A ); + R200_ALPHA_ARG( 1, C ); + break; + case GL_ADD_SIGNED: + alpha_combine = (R200_TXA_ARG_B_ZERO | + R200_TXA_COMP_ARG_B | + R200_TXA_BIAS_ARG_C | /* new */ + R200_TXA_OP_MADD); /* was ADDSIGNED */ + R200_ALPHA_ARG( 0, A ); + R200_ALPHA_ARG( 1, C ); + break; + case GL_SUBTRACT: + alpha_combine = (R200_TXA_ARG_B_ZERO | + R200_TXA_COMP_ARG_B | + R200_TXA_NEG_ARG_C | + R200_TXA_OP_MADD); + R200_ALPHA_ARG( 0, A ); + R200_ALPHA_ARG( 1, C ); + break; + case GL_INTERPOLATE: + alpha_combine = (R200_TXA_OP_LERP); + R200_ALPHA_ARG( 0, B ); + R200_ALPHA_ARG( 1, A ); + R200_ALPHA_ARG( 2, C ); break; + case GL_MODULATE_ADD_ATI: + alpha_combine = (R200_TXA_OP_MADD); + R200_ALPHA_ARG( 0, A ); + R200_ALPHA_ARG( 1, C ); + R200_ALPHA_ARG( 2, B ); + break; + case GL_MODULATE_SIGNED_ADD_ATI: + alpha_combine = (R200_TXA_BIAS_ARG_C | /* new */ + R200_TXA_OP_MADD); /* was ADDSIGNED */ + R200_ALPHA_ARG( 0, A ); + R200_ALPHA_ARG( 1, C ); + R200_ALPHA_ARG( 2, B ); + break; + case GL_MODULATE_SUBTRACT_ATI: + alpha_combine = (R200_TXA_NEG_ARG_C | + R200_TXA_OP_MADD); + R200_ALPHA_ARG( 0, A ); + R200_ALPHA_ARG( 1, C ); + R200_ALPHA_ARG( 2, B ); + break; default: return GL_FALSE; } + + if ( (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGB_EXT) + || (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGB) ) { + alpha_scale |= R200_TXA_DOT_ALPHA; + } + + /* Step 3: + * Apply the scale factor. + */ + color_scale &= ~R200_TXC_SCALE_MASK; + alpha_scale &= ~R200_TXA_SCALE_MASK; + color_scale |= (RGBshift << R200_TXC_SCALE_SHIFT); + alpha_scale |= (Ashift << R200_TXA_SCALE_SHIFT); + + /* All done! + */ } if ( rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND] != color_combine || diff --git a/src/mesa/drivers/dri/radeon/radeon_texstate.c b/src/mesa/drivers/dri/radeon/radeon_texstate.c index f4991a70a2b..563a7e9ea02 100644 --- a/src/mesa/drivers/dri/radeon/radeon_texstate.c +++ b/src/mesa/drivers/dri/radeon/radeon_texstate.c @@ -782,8 +782,8 @@ static GLboolean radeonUpdateTextureEnv( GLcontext *ctx, int unit ) const GLenum format = tObj->Image[0][tObj->BaseLevel]->Format; GLuint color_arg[3], alpha_arg[3]; GLuint i, numColorArgs = 0, numAlphaArgs = 0; - GLuint RGBshift = texUnit->CombineScaleShiftRGB; - GLuint Ashift = texUnit->CombineScaleShiftA; + GLuint RGBshift = texUnit->Combine.ScaleShiftRGB; + GLuint Ashift = texUnit->Combine.ScaleShiftA; switch ( texUnit->EnvMode ) { case GL_REPLACE: @@ -912,7 +912,7 @@ static GLboolean radeonUpdateTextureEnv( GLcontext *ctx, int unit ) /* Step 0: * Calculate how many arguments we need to process. */ - switch ( texUnit->CombineModeRGB ) { + switch ( texUnit->Combine.ModeRGB ) { case GL_REPLACE: numColorArgs = 1; break; @@ -936,7 +936,7 @@ static GLboolean radeonUpdateTextureEnv( GLcontext *ctx, int unit ) return GL_FALSE; } - switch ( texUnit->CombineModeA ) { + switch ( texUnit->Combine.ModeA ) { case GL_REPLACE: numAlphaArgs = 1; break; @@ -960,10 +960,10 @@ static GLboolean radeonUpdateTextureEnv( GLcontext *ctx, int unit ) * Extract the color and alpha combine function arguments. */ for ( i = 0 ; i < numColorArgs ; i++ ) { - const GLuint op = texUnit->CombineOperandRGB[i] - GL_SRC_COLOR; + const GLuint op = texUnit->Combine.OperandRGB[i] - GL_SRC_COLOR; assert(op >= 0); assert(op <= 3); - switch ( texUnit->CombineSourceRGB[i] ) { + switch ( texUnit->Combine.SourceRGB[i] ) { case GL_TEXTURE: color_arg[i] = radeon_texture_color[op][unit]; break; @@ -988,10 +988,10 @@ static GLboolean radeonUpdateTextureEnv( GLcontext *ctx, int unit ) } for ( i = 0 ; i < numAlphaArgs ; i++ ) { - const GLuint op = texUnit->CombineOperandA[i] - GL_SRC_ALPHA; + const GLuint op = texUnit->Combine.OperandA[i] - GL_SRC_ALPHA; assert(op >= 0); assert(op <= 1); - switch ( texUnit->CombineSourceA[i] ) { + switch ( texUnit->Combine.SourceA[i] ) { case GL_TEXTURE: alpha_arg[i] = radeon_texture_alpha[op][unit]; break; @@ -1018,7 +1018,7 @@ static GLboolean radeonUpdateTextureEnv( GLcontext *ctx, int unit ) /* Step 2: * Build up the color and alpha combine functions. */ - switch ( texUnit->CombineModeRGB ) { + switch ( texUnit->Combine.ModeRGB ) { case GL_REPLACE: color_combine = (RADEON_COLOR_ARG_A_ZERO | RADEON_COLOR_ARG_B_ZERO | @@ -1119,7 +1119,7 @@ static GLboolean radeonUpdateTextureEnv( GLcontext *ctx, int unit ) return GL_FALSE; } - switch ( texUnit->CombineModeA ) { + switch ( texUnit->Combine.ModeA ) { case GL_REPLACE: alpha_combine = (RADEON_ALPHA_ARG_A_ZERO | RADEON_ALPHA_ARG_B_ZERO | @@ -1191,8 +1191,8 @@ static GLboolean radeonUpdateTextureEnv( GLcontext *ctx, int unit ) return GL_FALSE; } - if ( (texUnit->CombineModeRGB == GL_DOT3_RGB_EXT) - || (texUnit->CombineModeRGB == GL_DOT3_RGB) ) { + if ( (texUnit->Combine.ModeRGB == GL_DOT3_RGB_EXT) + || (texUnit->Combine.ModeRGB == GL_DOT3_RGB) ) { alpha_combine |= RADEON_DOT_ALPHA_DONT_REPLICATE; } diff --git a/src/mesa/drivers/dri/tdfx/tdfx_texstate.c b/src/mesa/drivers/dri/tdfx/tdfx_texstate.c index 318d3a1c8f0..c9caea30630 100644 --- a/src/mesa/drivers/dri/tdfx/tdfx_texstate.c +++ b/src/mesa/drivers/dri/tdfx/tdfx_texstate.c @@ -424,9 +424,9 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * * Calculate the color combination. */ - Shift_RGB = texUnit->CombineScaleShiftRGB; - Shift_A = texUnit->CombineScaleShiftA; - switch (texUnit->CombineModeRGB) { + Shift_RGB = texUnit->Combine.ScaleShiftRGB; + Shift_A = texUnit->Combine.ScaleShiftA; + switch (texUnit->Combine.ModeRGB) { case GL_REPLACE: /* * The formula is: Arg0 @@ -434,11 +434,11 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * (Arg0 + 0(0))*(1-0) + 0 */ TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->CombineSourceRGB[0], - texUnit->CombineOperandRGB[0], + texUnit->Combine.SourceRGB[0], + texUnit->Combine.OperandRGB[0], incomingRGB, incomingAlpha); TEXENV_SETUP_MODE_RGB(Amode_RGB, - texUnit->CombineOperandRGB[0]); + texUnit->Combine.OperandRGB[0]); B_RGB = C_RGB = D_RGB = GR_CMBX_ZERO; Bmode_RGB = GR_FUNC_MODE_ZERO; Cinv_RGB = FXTRUE; @@ -452,19 +452,19 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * (Arg0 + 0(0)) * Arg1 + 0(0) */ TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->CombineSourceRGB[0], - texUnit->CombineOperandRGB[0], + texUnit->Combine.SourceRGB[0], + texUnit->Combine.OperandRGB[0], incomingRGB, incomingAlpha); TEXENV_SETUP_MODE_RGB(Amode_RGB, - texUnit->CombineOperandRGB[0]); + texUnit->Combine.OperandRGB[0]); B_RGB = GR_CMBX_ZERO; Bmode_RGB = GR_CMBX_ZERO; TEXENV_SETUP_ARG_RGB(C_RGB, - texUnit->CombineSourceRGB[1], - texUnit->CombineOperandRGB[1], + texUnit->Combine.SourceRGB[1], + texUnit->Combine.OperandRGB[1], incomingRGB, incomingAlpha); Cinv_RGB = TEXENV_OPERAND_INVERTED - (texUnit->CombineOperandRGB[1]); + (texUnit->Combine.OperandRGB[1]); D_RGB = GR_CMBX_ZERO; Dinv_RGB = Ginv_RGB = FXFALSE; break; @@ -473,17 +473,17 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * The formula is Arg0 + Arg1 */ TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->CombineSourceRGB[0], - texUnit->CombineOperandRGB[0], + texUnit->Combine.SourceRGB[0], + texUnit->Combine.OperandRGB[0], incomingRGB, incomingAlpha); TEXENV_SETUP_MODE_RGB(Amode_RGB, - texUnit->CombineOperandRGB[0]); + texUnit->Combine.OperandRGB[0]); TEXENV_SETUP_ARG_RGB(B_RGB, - texUnit->CombineSourceRGB[1], - texUnit->CombineOperandRGB[1], + texUnit->Combine.SourceRGB[1], + texUnit->Combine.OperandRGB[1], incomingRGB, incomingAlpha); TEXENV_SETUP_MODE_RGB(Bmode_RGB, - texUnit->CombineOperandRGB[1]); + texUnit->Combine.OperandRGB[1]); C_RGB = D_RGB = GR_CMBX_ZERO; Cinv_RGB = FXTRUE; Dinv_RGB = Ginv_RGB = FXFALSE; @@ -498,20 +498,20 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * we cannot implement the formula properly. */ TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->CombineSourceRGB[0], - texUnit->CombineOperandRGB[0], + texUnit->Combine.SourceRGB[0], + texUnit->Combine.OperandRGB[0], incomingRGB, incomingAlpha); TEXENV_SETUP_ARG_RGB(B_RGB, - texUnit->CombineSourceRGB[1], - texUnit->CombineOperandRGB[1], + texUnit->Combine.SourceRGB[1], + texUnit->Combine.OperandRGB[1], incomingRGB, incomingAlpha); - if (!TEXENV_OPERAND_INVERTED(texUnit->CombineOperandRGB[0])) { + 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->CombineOperandRGB[1])) { + (texUnit->Combine.OperandRGB[1])) { Bmode_RGB = GR_FUNC_MODE_X; } else { @@ -525,7 +525,7 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, */ Amode_RGB = GR_FUNC_MODE_ONE_MINUS_X; if (!TEXENV_OPERAND_INVERTED - (texUnit->CombineOperandRGB[1])) { + (texUnit->Combine.OperandRGB[1])) { Bmode_RGB = GR_FUNC_MODE_X_MINUS_HALF; } else { @@ -553,16 +553,16 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * not support it properly. */ TEXENV_SETUP_ARG_RGB(A_RGB, - texUnit->CombineSourceRGB[0], - texUnit->CombineOperandRGB[0], + texUnit->Combine.SourceRGB[0], + texUnit->Combine.OperandRGB[0], incomingRGB, incomingAlpha); TEXENV_SETUP_MODE_RGB(Amode_RGB, - texUnit->CombineOperandRGB[0]); + texUnit->Combine.OperandRGB[0]); TEXENV_SETUP_ARG_RGB(B_RGB, - texUnit->CombineSourceRGB[1], - texUnit->CombineOperandRGB[1], + texUnit->Combine.SourceRGB[1], + texUnit->Combine.OperandRGB[1], incomingRGB, incomingAlpha); - if (TEXENV_OPERAND_INVERTED(texUnit->CombineOperandRGB[1])) { + if (TEXENV_OPERAND_INVERTED(texUnit->Combine.OperandRGB[1])) { /* * This case is wrong. */ @@ -577,8 +577,8 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * specify some kind of alpha value. */ TEXENV_SETUP_ARG_A(C_RGB, - texUnit->CombineSourceRGB[2], - texUnit->CombineOperandRGB[2], + texUnit->Combine.SourceRGB[2], + texUnit->Combine.OperandRGB[2], incomingAlpha); Cinv_RGB = FXFALSE; D_RGB = GR_CMBX_B; @@ -599,7 +599,7 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, /* * Calculate the alpha combination. */ - switch (texUnit->CombineModeA) { + switch (texUnit->Combine.ModeA) { case GL_REPLACE: /* * The formula is: Arg0 @@ -607,11 +607,11 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * (Arg0 + 0(0))*(1-0) + 0 */ TEXENV_SETUP_ARG_A(A_A, - texUnit->CombineSourceA[0], - texUnit->CombineOperandA[0], + texUnit->Combine.SourceA[0], + texUnit->Combine.OperandA[0], incomingAlpha); TEXENV_SETUP_MODE_A(Amode_A, - texUnit->CombineOperandA[0]); + texUnit->Combine.OperandA[0]); B_A = GR_CMBX_ITALPHA; Bmode_A = GR_FUNC_MODE_ZERO; C_A = D_A = GR_CMBX_ZERO; @@ -626,19 +626,19 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * (Arg0 + 0(0)) * Arg1 + 0(0) */ TEXENV_SETUP_ARG_A(A_A, - texUnit->CombineSourceA[0], - texUnit->CombineOperandA[0], + texUnit->Combine.SourceA[0], + texUnit->Combine.OperandA[0], incomingAlpha); TEXENV_SETUP_MODE_A(Amode_A, - texUnit->CombineOperandA[0]); + texUnit->Combine.OperandA[0]); B_A = GR_CMBX_ZERO; Bmode_A = GR_CMBX_ZERO; TEXENV_SETUP_ARG_A(C_A, - texUnit->CombineSourceA[1], - texUnit->CombineOperandA[1], + texUnit->Combine.SourceA[1], + texUnit->Combine.OperandA[1], incomingAlpha); Cinv_A = TEXENV_OPERAND_INVERTED - (texUnit->CombineOperandA[1]); + (texUnit->Combine.OperandA[1]); D_A = GR_CMBX_ZERO; Dinv_A = Ginv_A = FXFALSE; break; @@ -647,17 +647,17 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * The formula is Arg0 + Arg1 */ TEXENV_SETUP_ARG_A(A_A, - texUnit->CombineSourceA[0], - texUnit->CombineOperandA[0], + texUnit->Combine.SourceA[0], + texUnit->Combine.OperandA[0], incomingAlpha); TEXENV_SETUP_MODE_A(Amode_A, - texUnit->CombineOperandA[0]); + texUnit->Combine.OperandA[0]); TEXENV_SETUP_ARG_A(B_A, - texUnit->CombineSourceA[1], - texUnit->CombineOperandA[1], + texUnit->Combine.SourceA[1], + texUnit->Combine.OperandA[1], incomingAlpha); TEXENV_SETUP_MODE_A(Bmode_A, - texUnit->CombineOperandA[1]); + texUnit->Combine.OperandA[1]); C_A = D_A = GR_CMBX_ZERO; Cinv_A = FXTRUE; Dinv_A = Ginv_A = FXFALSE; @@ -672,20 +672,20 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * we cannot implement the formula properly. */ TEXENV_SETUP_ARG_A(A_A, - texUnit->CombineSourceA[0], - texUnit->CombineOperandA[0], + texUnit->Combine.SourceA[0], + texUnit->Combine.OperandA[0], incomingAlpha); TEXENV_SETUP_ARG_A(B_A, - texUnit->CombineSourceA[1], - texUnit->CombineOperandA[1], + texUnit->Combine.SourceA[1], + texUnit->Combine.OperandA[1], incomingAlpha); - if (!TEXENV_OPERAND_INVERTED(texUnit->CombineOperandA[0])) { + 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->CombineOperandA[1])) { + (texUnit->Combine.OperandA[1])) { Bmode_A = GR_FUNC_MODE_X; } else { Bmode_A = GR_FUNC_MODE_ONE_MINUS_X; @@ -697,7 +697,7 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, */ Amode_A = GR_FUNC_MODE_ONE_MINUS_X; if (!TEXENV_OPERAND_INVERTED - (texUnit->CombineOperandA[1])) { + (texUnit->Combine.OperandA[1])) { Bmode_A = GR_FUNC_MODE_X_MINUS_HALF; } else { /* @@ -724,16 +724,16 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * not support it properly. */ TEXENV_SETUP_ARG_A(A_A, - texUnit->CombineSourceA[0], - texUnit->CombineOperandA[0], + texUnit->Combine.SourceA[0], + texUnit->Combine.OperandA[0], incomingAlpha); TEXENV_SETUP_MODE_A(Amode_A, - texUnit->CombineOperandA[0]); + texUnit->Combine.OperandA[0]); TEXENV_SETUP_ARG_A(B_A, - texUnit->CombineSourceA[1], - texUnit->CombineOperandA[1], + texUnit->Combine.SourceA[1], + texUnit->Combine.OperandA[1], incomingAlpha); - if (!TEXENV_OPERAND_INVERTED(texUnit->CombineOperandA[1])) { + if (!TEXENV_OPERAND_INVERTED(texUnit->Combine.OperandA[1])) { Bmode_A = GR_FUNC_MODE_NEGATIVE_X; } else { @@ -748,8 +748,8 @@ SetupTexEnvNapalm(GLcontext *ctx, GLboolean useIteratedRGBA, * specify some kind of alpha value. */ TEXENV_SETUP_ARG_A(C_A, - texUnit->CombineSourceA[2], - texUnit->CombineOperandA[2], + texUnit->Combine.SourceA[2], + texUnit->Combine.OperandA[2], incomingAlpha); Cinv_A = FXFALSE; D_A = GR_CMBX_B; diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c index 8beb0a575b9..c5339fdbf35 100644 --- a/src/mesa/main/attrib.c +++ b/src/mesa/main/attrib.c @@ -652,38 +652,38 @@ pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib) } if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, - unit->CombineModeRGB); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, - unit->CombineModeA); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, - unit->CombineSourceRGB[0]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, - unit->CombineSourceRGB[1]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, - unit->CombineSourceRGB[2]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, - unit->CombineSourceA[0]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, - unit->CombineSourceA[1]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, - unit->CombineSourceA[2]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, - unit->CombineOperandRGB[0]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, - unit->CombineOperandRGB[1]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, - unit->CombineOperandRGB[2]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, - unit->CombineOperandA[0]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, - unit->CombineOperandA[1]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, - unit->CombineOperandA[2]); - _mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, - 1 << unit->CombineScaleShiftRGB); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, + unit->Combine.ModeRGB); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, + unit->Combine.ModeA); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB, + unit->Combine.SourceRGB[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB, + unit->Combine.SourceRGB[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB, + unit->Combine.SourceRGB[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA, + unit->Combine.SourceA[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA, + unit->Combine.SourceA[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA, + unit->Combine.SourceA[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, + unit->Combine.OperandRGB[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB, + unit->Combine.OperandRGB[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, + unit->Combine.OperandRGB[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, + unit->Combine.OperandA[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, + unit->Combine.OperandA[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA, + unit->Combine.OperandA[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE, + 1 << unit->Combine.ScaleShiftRGB); _mesa_TexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, - 1 << unit->CombineScaleShiftA); + 1 << unit->Combine.ScaleShiftA); } /* Restore texture object state */ diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 6665e139902..5ed79424d53 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1164,6 +1164,25 @@ struct gl_texture_object { /*@}*/ }; +/** + * Texture combine environment state. + * + * \todo + * If GL_NV_texture_env_combine4 is ever supported, the arrays in this + * structure will need to be expanded for 4 elements. + */ +struct gl_tex_env_combine_state { + GLenum ModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ + GLenum ModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ + GLenum SourceRGB[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */ + GLenum SourceA[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */ + GLenum OperandRGB[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */ + GLenum OperandA[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */ + GLuint ScaleShiftRGB; /**< 0, 1 or 2 */ + GLuint ScaleShiftA; /**< 0, 1 or 2 */ + GLuint _NumArgsRGB; /**< Number of inputs used for the combine mode. */ + GLuint _NumArgsA; /**< Number of inputs used for the combine mode. */ +}; /** * Texture unit record @@ -1201,16 +1220,19 @@ struct gl_texture_unit { /** * \name GL_EXT_texture_env_combine */ - /*@{*/ - GLenum CombineModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ - GLenum CombineModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */ - GLenum CombineSourceRGB[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */ - GLenum CombineSourceA[3]; /**< GL_PRIMARY_COLOR, GL_TEXTURE, etc. */ - GLenum CombineOperandRGB[3]; /**< SRC_COLOR, ONE_MINUS_SRC_COLOR, etc */ - GLenum CombineOperandA[3]; /**< SRC_ALPHA, ONE_MINUS_SRC_ALPHA, etc */ - GLuint CombineScaleShiftRGB; /**< 0, 1 or 2 */ - GLuint CombineScaleShiftA; /**< 0, 1 or 2 */ - /*@}*/ + struct gl_tex_env_combine_state Combine; + + /** + * Derived state based on \c EnvMode and the \c BaseFormat of the + * currently enabled texture. + */ + struct gl_tex_env_combine_state _EnvMode; + + /** + * Currently enabled combiner state. This will point to either + * \c Combine or \c _EnvMode. + */ + struct gl_tex_env_combine_state *_CurrentCombine; struct gl_texture_object *Current1D; struct gl_texture_object *Current2D; diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index e27c42e07b6..8cb247e413b 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -22,6 +22,11 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/** + * \file texstate.c + * + * Texture state handling. + */ #include "glheader.h" #include "colormac.h" @@ -50,6 +55,20 @@ #define ENUM_TO_DOUBLE(X) ((GLdouble)(X)) #endif +/** + * Default texture combine environment state. This is used to initialize + * a context's texture units and as the basis for converting "classic" + * texture environmnets to ARB_texture_env_combine style values. + */ +static const struct gl_tex_env_combine_state default_combine_state = { + GL_MODULATE, GL_MODULATE, + { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT }, + { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT }, + { GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_ALPHA }, + { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA }, + 0, 0, + 2, 2 +}; void @@ -92,14 +111,14 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst ) dst->Texture.Unit[i].LodBias = src->Texture.Unit[i].LodBias; /* GL_EXT_texture_env_combine */ - dst->Texture.Unit[i].CombineModeRGB = src->Texture.Unit[i].CombineModeRGB; - dst->Texture.Unit[i].CombineModeA = src->Texture.Unit[i].CombineModeA; - COPY_3V(dst->Texture.Unit[i].CombineSourceRGB, src->Texture.Unit[i].CombineSourceRGB); - COPY_3V(dst->Texture.Unit[i].CombineSourceA, src->Texture.Unit[i].CombineSourceA); - COPY_3V(dst->Texture.Unit[i].CombineOperandRGB, src->Texture.Unit[i].CombineOperandRGB); - COPY_3V(dst->Texture.Unit[i].CombineOperandA, src->Texture.Unit[i].CombineOperandA); - dst->Texture.Unit[i].CombineScaleShiftRGB = src->Texture.Unit[i].CombineScaleShiftRGB; - dst->Texture.Unit[i].CombineScaleShiftA = src->Texture.Unit[i].CombineScaleShiftA; + dst->Texture.Unit[i].Combine.ModeRGB = src->Texture.Unit[i].Combine.ModeRGB; + dst->Texture.Unit[i].Combine.ModeA = src->Texture.Unit[i].Combine.ModeA; + COPY_3V(dst->Texture.Unit[i].Combine.SourceRGB, src->Texture.Unit[i].Combine.SourceRGB); + COPY_3V(dst->Texture.Unit[i].Combine.SourceA, src->Texture.Unit[i].Combine.SourceA); + COPY_3V(dst->Texture.Unit[i].Combine.OperandRGB, src->Texture.Unit[i].Combine.OperandRGB); + COPY_3V(dst->Texture.Unit[i].Combine.OperandA, src->Texture.Unit[i].Combine.OperandA); + dst->Texture.Unit[i].Combine.ScaleShiftRGB = src->Texture.Unit[i].Combine.ScaleShiftRGB; + dst->Texture.Unit[i].Combine.ScaleShiftA = src->Texture.Unit[i].Combine.ScaleShiftA; /* texture object state */ _mesa_copy_texture_object(dst->Texture.Unit[i].Current1D, @@ -125,22 +144,22 @@ _mesa_print_texunit_state( GLcontext *ctx, GLuint unit ) const struct gl_texture_unit *texUnit = ctx->Texture.Unit + unit; _mesa_printf("Texture Unit %d\n", unit); _mesa_printf(" GL_TEXTURE_ENV_MODE = %s\n", _mesa_lookup_enum_by_nr(texUnit->EnvMode)); - _mesa_printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineModeRGB)); - _mesa_printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineModeA)); - _mesa_printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineSourceRGB[0])); - _mesa_printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineSourceRGB[1])); - _mesa_printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineSourceRGB[2])); - _mesa_printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineSourceA[0])); - _mesa_printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineSourceA[1])); - _mesa_printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineSourceA[2])); - _mesa_printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineOperandRGB[0])); - _mesa_printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineOperandRGB[1])); - _mesa_printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineOperandRGB[2])); - _mesa_printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineOperandA[0])); - _mesa_printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineOperandA[1])); - _mesa_printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->CombineOperandA[2])); - _mesa_printf(" GL_RGB_SCALE = %d\n", 1 << texUnit->CombineScaleShiftRGB); - _mesa_printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit->CombineScaleShiftA); + _mesa_printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeRGB)); + _mesa_printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeA)); + _mesa_printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[0])); + _mesa_printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[1])); + _mesa_printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[2])); + _mesa_printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[0])); + _mesa_printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[1])); + _mesa_printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[2])); + _mesa_printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[0])); + _mesa_printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[1])); + _mesa_printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[2])); + _mesa_printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[0])); + _mesa_printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[1])); + _mesa_printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[2])); + _mesa_printf(" GL_RGB_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftRGB); + _mesa_printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftA); _mesa_printf(" GL_TEXTURE_ENV_COLOR = (%f, %f, %f, %f)\n", texUnit->EnvColor[0], texUnit->EnvColor[1], texUnit->EnvColor[2], texUnit->EnvColor[3]); } @@ -150,6 +169,125 @@ _mesa_print_texunit_state( GLcontext *ctx, GLuint unit ) /* Texture Environment */ /**********************************************************************/ +/** + * Convert "classic" texture environment to ARB_texture_env_combine style + * environments. + * + * \param state texture_env_combine state vector to be filled-in. + * \param mode Classic texture environment mode (i.e., \c GL_REPLACE, + * \c GL_BLEND, \c GL_DECAL, etc.). + * \param tex_base_format Base format of the texture associated with the + * texture unit. + */ +static void +calculate_derived_texenv( struct gl_tex_env_combine_state * state, + GLenum mode, GLenum tex_base_format ) +{ + GLenum mode_rgb; + GLenum mode_a; + + *state = default_combine_state; + + switch( tex_base_format ) { + case GL_ALPHA: + state->SourceRGB[0] = GL_PREVIOUS; + break; + + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + case GL_RGBA: + break; + + case GL_LUMINANCE: + case GL_RGB: + case GL_YCBCR_MESA: + state->SourceA[0] = GL_PREVIOUS; + break; + + default: + state->SourceRGB[0] = GL_PREVIOUS; + state->SourceA[0] = GL_PREVIOUS; + state->ModeRGB = GL_REPLACE; + state->ModeA = GL_REPLACE; + ASSERT(0); + return; + } + + switch( mode ) { + case GL_REPLACE: + case GL_MODULATE: + mode_rgb = (tex_base_format == GL_ALPHA) ? GL_REPLACE : mode; + mode_a = mode; + break; + + case GL_DECAL: + mode_rgb = GL_INTERPOLATE; + mode_a = GL_REPLACE; + + state->SourceA[0] = GL_PREVIOUS; + + /* Having alpha / luminance / intensity textures replace using the + * incoming fragment color matches the definition in NV_texture_shader. + * The 1.5 spec simply marks these as "undefined". + */ + switch( tex_base_format ) { + case GL_ALPHA: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + state->SourceRGB[0] = GL_PREVIOUS; + break; + case GL_RGB: + case GL_YCBCR_MESA: + mode_rgb = GL_REPLACE; + break; + case GL_RGBA: + state->SourceRGB[2] = GL_TEXTURE; + break; + } + break; + + case GL_BLEND: + mode_rgb = GL_INTERPOLATE; + mode_a = GL_MODULATE; + + switch( tex_base_format ) { + case GL_ALPHA: + mode_rgb = GL_REPLACE; + break; + case GL_INTENSITY: + mode_a = GL_INTERPOLATE; + /* FALLTHROUGH */ + case GL_LUMINANCE: + case GL_RGB: + case GL_LUMINANCE_ALPHA: + case GL_RGBA: + case GL_YCBCR_MESA: + state->SourceRGB[2] = GL_TEXTURE; + state->SourceA[2] = GL_TEXTURE; + state->SourceRGB[0] = GL_CONSTANT; + state->OperandRGB[2] = GL_SRC_COLOR; + break; + } + break; + + case GL_ADD: + mode_rgb = (tex_base_format == GL_ALPHA) ? GL_REPLACE : GL_ADD; + mode_a = (tex_base_format == GL_INTENSITY) ? GL_ADD : GL_MODULATE; + break; + + default: + mode_rgb = GL_REPLACE; + mode_a = GL_REPLACE; + ASSERT(0); + break; + } + + state->ModeRGB = (state->SourceRGB[0] != GL_PREVIOUS) + ? mode_rgb : GL_REPLACE; + state->ModeA = (state->SourceA[0] != GL_PREVIOUS) + ? mode_a : GL_REPLACE; +} void GLAPIENTRY _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) @@ -179,6 +317,18 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); texUnit->EnvMode = mode; + + /* FIXME: Is this needed here or is having it in + * FIXME: update_texture_state enough? + */ + if ( mode == GL_COMBINE ) { + texUnit->_CurrentCombine = & texUnit->Combine; + } + else if ( texUnit->_Current != NULL ) { + calculate_derived_texenv( & texUnit->_EnvMode, mode, + texUnit->_Current->Image[0][0]->Format ); + texUnit->_CurrentCombine = & texUnit->_EnvMode; + } } else { TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); @@ -243,10 +393,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", mode); return; } - if (texUnit->CombineModeRGB == mode) + if (texUnit->Combine.ModeRGB == mode) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineModeRGB = mode; + texUnit->Combine.ModeRGB = mode; } else { TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); @@ -284,10 +434,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) return; } - if (texUnit->CombineModeA == mode) + if (texUnit->Combine.ModeA == mode) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineModeA = mode; + texUnit->Combine.ModeA = mode; } else { TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); @@ -311,10 +461,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) (ctx->Extensions.ATI_texture_env_combine3 && (source == GL_ZERO || source == GL_ONE))) { /* legal */ - if (texUnit->CombineSourceRGB[s] == source) + if (texUnit->Combine.SourceRGB[s] == source) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineSourceRGB[s] = source; + texUnit->Combine.SourceRGB[s] = source; } else { TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", source); @@ -343,10 +493,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) (ctx->Extensions.ATI_texture_env_combine3 && (source == GL_ZERO || source == GL_ONE))) { /* legal */ - if (texUnit->CombineSourceA[s] == source) + if (texUnit->Combine.SourceA[s] == source) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineSourceA[s] = source; + texUnit->Combine.SourceA[s] = source; } else { TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", source); @@ -369,10 +519,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) case GL_ONE_MINUS_SRC_COLOR: case GL_SRC_ALPHA: case GL_ONE_MINUS_SRC_ALPHA: - if (texUnit->CombineOperandRGB[s] == operand) + if (texUnit->Combine.OperandRGB[s] == operand) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineOperandRGB[s] = operand; + texUnit->Combine.OperandRGB[s] = operand; break; default: TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand); @@ -392,11 +542,11 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) switch (operand) { case GL_SRC_ALPHA: case GL_ONE_MINUS_SRC_ALPHA: - if (texUnit->CombineOperandA[pname-GL_OPERAND0_ALPHA] == + if (texUnit->Combine.OperandA[pname-GL_OPERAND0_ALPHA] == operand) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineOperandA[pname-GL_OPERAND0_ALPHA] = operand; + texUnit->Combine.OperandA[pname-GL_OPERAND0_ALPHA] = operand; break; default: TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand); @@ -417,10 +567,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) case GL_ONE_MINUS_SRC_COLOR: /* ARB combine only */ case GL_SRC_ALPHA: case GL_ONE_MINUS_SRC_ALPHA: /* ARB combine only */ - if (texUnit->CombineOperandRGB[2] == operand) + if (texUnit->Combine.OperandRGB[2] == operand) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineOperandRGB[2] = operand; + texUnit->Combine.OperandRGB[2] = operand; break; default: TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand); @@ -439,10 +589,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) switch (operand) { case GL_SRC_ALPHA: case GL_ONE_MINUS_SRC_ALPHA: /* ARB combine only */ - if (texUnit->CombineOperandA[2] == operand) + if (texUnit->Combine.OperandA[2] == operand) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineOperandA[2] = operand; + texUnit->Combine.OperandA[2] = operand; break; default: TE_ERROR(GL_INVALID_ENUM, "glTexEnv(param=%s)", operand); @@ -472,10 +622,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) "glTexEnv(GL_RGB_SCALE not 1, 2 or 4)" ); return; } - if (texUnit->CombineScaleShiftRGB == newshift) + if (texUnit->Combine.ScaleShiftRGB == newshift) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineScaleShiftRGB = newshift; + texUnit->Combine.ScaleShiftRGB = newshift; } else { TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); @@ -500,10 +650,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) "glTexEnv(GL_ALPHA_SCALE not 1, 2 or 4)" ); return; } - if (texUnit->CombineScaleShiftA == newshift) + if (texUnit->Combine.ScaleShiftA == newshift) return; FLUSH_VERTICES(ctx, _NEW_TEXTURE); - texUnit->CombineScaleShiftA = newshift; + texUnit->Combine.ScaleShiftA = newshift; } else { TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname); @@ -634,7 +784,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_COMBINE_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineModeRGB; + *params = (GLfloat) texUnit->Combine.ModeRGB; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -643,7 +793,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_COMBINE_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineModeA; + *params = (GLfloat) texUnit->Combine.ModeA; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -652,7 +802,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_SOURCE0_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineSourceRGB[0]; + *params = (GLfloat) texUnit->Combine.SourceRGB[0]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -661,7 +811,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_SOURCE1_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineSourceRGB[1]; + *params = (GLfloat) texUnit->Combine.SourceRGB[1]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -670,7 +820,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_SOURCE2_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineSourceRGB[2]; + *params = (GLfloat) texUnit->Combine.SourceRGB[2]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -679,7 +829,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_SOURCE0_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineSourceA[0]; + *params = (GLfloat) texUnit->Combine.SourceA[0]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -688,7 +838,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_SOURCE1_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineSourceA[1]; + *params = (GLfloat) texUnit->Combine.SourceA[1]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -697,7 +847,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_SOURCE2_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineSourceA[2]; + *params = (GLfloat) texUnit->Combine.SourceA[2]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -706,7 +856,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_OPERAND0_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineOperandRGB[0]; + *params = (GLfloat) texUnit->Combine.OperandRGB[0]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -715,7 +865,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_OPERAND1_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineOperandRGB[1]; + *params = (GLfloat) texUnit->Combine.OperandRGB[1]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -724,7 +874,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_OPERAND2_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineOperandRGB[2]; + *params = (GLfloat) texUnit->Combine.OperandRGB[2]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -733,7 +883,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_OPERAND0_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineOperandA[0]; + *params = (GLfloat) texUnit->Combine.OperandA[0]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -742,7 +892,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_OPERAND1_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineOperandA[1]; + *params = (GLfloat) texUnit->Combine.OperandA[1]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -751,7 +901,7 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_OPERAND2_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLfloat) texUnit->CombineOperandA[2]; + *params = (GLfloat) texUnit->Combine.OperandA[2]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)"); @@ -760,9 +910,9 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_RGB_SCALE: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - if (texUnit->CombineScaleShiftRGB == 0) + if (texUnit->Combine.ScaleShiftRGB == 0) *params = 1.0; - else if (texUnit->CombineScaleShiftRGB == 1) + else if (texUnit->Combine.ScaleShiftRGB == 1) *params = 2.0; else *params = 4.0; @@ -775,9 +925,9 @@ _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) case GL_ALPHA_SCALE: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - if (texUnit->CombineScaleShiftA == 0) + if (texUnit->Combine.ScaleShiftA == 0) *params = 1.0; - else if (texUnit->CombineScaleShiftA == 1) + else if (texUnit->Combine.ScaleShiftA == 1) *params = 2.0; else *params = 4.0; @@ -848,7 +998,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_COMBINE_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineModeRGB; + *params = (GLint) texUnit->Combine.ModeRGB; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -857,7 +1007,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_COMBINE_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineModeA; + *params = (GLint) texUnit->Combine.ModeA; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -866,7 +1016,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_SOURCE0_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineSourceRGB[0]; + *params = (GLint) texUnit->Combine.SourceRGB[0]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -875,7 +1025,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_SOURCE1_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineSourceRGB[1]; + *params = (GLint) texUnit->Combine.SourceRGB[1]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -884,7 +1034,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_SOURCE2_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineSourceRGB[2]; + *params = (GLint) texUnit->Combine.SourceRGB[2]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -893,7 +1043,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_SOURCE0_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineSourceA[0]; + *params = (GLint) texUnit->Combine.SourceA[0]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -902,7 +1052,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_SOURCE1_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineSourceA[1]; + *params = (GLint) texUnit->Combine.SourceA[1]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -911,7 +1061,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_SOURCE2_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineSourceA[2]; + *params = (GLint) texUnit->Combine.SourceA[2]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -920,7 +1070,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_OPERAND0_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineOperandRGB[0]; + *params = (GLint) texUnit->Combine.OperandRGB[0]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -929,7 +1079,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_OPERAND1_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineOperandRGB[1]; + *params = (GLint) texUnit->Combine.OperandRGB[1]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -938,7 +1088,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_OPERAND2_RGB: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineOperandRGB[2]; + *params = (GLint) texUnit->Combine.OperandRGB[2]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -947,7 +1097,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_OPERAND0_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineOperandA[0]; + *params = (GLint) texUnit->Combine.OperandA[0]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -956,7 +1106,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_OPERAND1_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineOperandA[1]; + *params = (GLint) texUnit->Combine.OperandA[1]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -965,7 +1115,7 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_OPERAND2_ALPHA: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - *params = (GLint) texUnit->CombineOperandA[2]; + *params = (GLint) texUnit->Combine.OperandA[2]; } else { _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)"); @@ -974,9 +1124,9 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_RGB_SCALE: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - if (texUnit->CombineScaleShiftRGB == 0) + if (texUnit->Combine.ScaleShiftRGB == 0) *params = 1; - else if (texUnit->CombineScaleShiftRGB == 1) + else if (texUnit->Combine.ScaleShiftRGB == 1) *params = 2; else *params = 4; @@ -989,9 +1139,9 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) case GL_ALPHA_SCALE: if (ctx->Extensions.EXT_texture_env_combine || ctx->Extensions.ARB_texture_env_combine) { - if (texUnit->CombineScaleShiftA == 0) + if (texUnit->Combine.ScaleShiftA == 0) *params = 1; - else if (texUnit->CombineScaleShiftA == 1) + else if (texUnit->Combine.ScaleShiftA == 1) *params = 2; else *params = 4; @@ -2800,6 +2950,64 @@ update_texture_state( GLcontext *ctx ) if (texUnit->_ReallyEnabled) ctx->Texture._EnabledUnits |= (1 << unit); + if ( texUnit->EnvMode == GL_COMBINE ) { + texUnit->_CurrentCombine = & texUnit->Combine; + } + else { + calculate_derived_texenv( & texUnit->_EnvMode, + texUnit->EnvMode, + texUnit->_Current->Image[0][0]->Format ); + texUnit->_CurrentCombine = & texUnit->_EnvMode; + } + + switch (texUnit->_CurrentCombine->ModeRGB) { + case GL_REPLACE: + texUnit->_CurrentCombine->_NumArgsRGB = 1; + break; + case GL_MODULATE: + case GL_ADD: + case GL_ADD_SIGNED: + case GL_SUBTRACT: + case GL_DOT3_RGB: + case GL_DOT3_RGBA: + case GL_DOT3_RGB_EXT: + case GL_DOT3_RGBA_EXT: + texUnit->_CurrentCombine->_NumArgsRGB = 2; + break; + case GL_INTERPOLATE: + case GL_MODULATE_ADD_ATI: + case GL_MODULATE_SIGNED_ADD_ATI: + case GL_MODULATE_SUBTRACT_ATI: + texUnit->_CurrentCombine->_NumArgsRGB = 3; + break; + default: + texUnit->_CurrentCombine->_NumArgsRGB = 0; + ASSERT(0); + break; + } + + switch (texUnit->_CurrentCombine->ModeA) { + case GL_REPLACE: + texUnit->_CurrentCombine->_NumArgsA = 1; + break; + case GL_MODULATE: + case GL_ADD: + case GL_ADD_SIGNED: + case GL_SUBTRACT: + texUnit->_CurrentCombine->_NumArgsA = 2; + break; + case GL_INTERPOLATE: + case GL_MODULATE_ADD_ATI: + case GL_MODULATE_SIGNED_ADD_ATI: + case GL_MODULATE_SUBTRACT_ATI: + texUnit->_CurrentCombine->_NumArgsA = 3; + break; + default: + texUnit->_CurrentCombine->_NumArgsA = 0; + ASSERT(0); + break; + } + if (texUnit->TexGenEnabled) { if (texUnit->TexGenEnabled & S_BIT) { texUnit->_GenFlags |= texUnit->_GenBitS; @@ -2910,22 +3118,9 @@ init_texture_unit( GLcontext *ctx, GLuint unit ) texUnit->EnvMode = GL_MODULATE; ASSIGN_4V( texUnit->EnvColor, 0.0, 0.0, 0.0, 0.0 ); - texUnit->CombineModeRGB = GL_MODULATE; - texUnit->CombineModeA = GL_MODULATE; - texUnit->CombineSourceRGB[0] = GL_TEXTURE; - texUnit->CombineSourceRGB[1] = GL_PREVIOUS_EXT; - texUnit->CombineSourceRGB[2] = GL_CONSTANT_EXT; - texUnit->CombineSourceA[0] = GL_TEXTURE; - texUnit->CombineSourceA[1] = GL_PREVIOUS_EXT; - texUnit->CombineSourceA[2] = GL_CONSTANT_EXT; - texUnit->CombineOperandRGB[0] = GL_SRC_COLOR; - texUnit->CombineOperandRGB[1] = GL_SRC_COLOR; - texUnit->CombineOperandRGB[2] = GL_SRC_ALPHA; - texUnit->CombineOperandA[0] = GL_SRC_ALPHA; - texUnit->CombineOperandA[1] = GL_SRC_ALPHA; - texUnit->CombineOperandA[2] = GL_SRC_ALPHA; - texUnit->CombineScaleShiftRGB = 0; - texUnit->CombineScaleShiftA = 0; + texUnit->Combine = default_combine_state; + texUnit->_EnvMode = default_combine_state; + texUnit->_CurrentCombine = & texUnit->_EnvMode; texUnit->TexGenEnabled = 0; texUnit->GenModeS = GL_EYE_LINEAR; diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 3e73de29b00..97040487f64 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -1425,9 +1425,9 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, const GLint rowAb1 = (rowA[k] >> 11) & 0x1f; const GLint rowBb0 = (rowB[j] >> 11) & 0x1f; const GLint rowBb1 = (rowB[k] >> 11) & 0x1f; - const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 4; - const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 4; - const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 4; + const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; dst[i] = (blue << 11) | (green << 5) | red; } } @@ -1456,10 +1456,10 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, const GLint rowAa1 = (rowA[k] >> 12) & 0xf; const GLint rowBa0 = (rowB[j] >> 12) & 0xf; const GLint rowBa1 = (rowB[k] >> 12) & 0xf; - const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 4; - const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 4; - const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 4; - const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 4; + const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; + const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2; dst[i] = (alpha << 12) | (blue << 8) | (green << 4) | red; } } @@ -1488,10 +1488,10 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, const GLint rowAa1 = (rowA[k] >> 15) & 0x1; const GLint rowBa0 = (rowB[j] >> 15) & 0x1; const GLint rowBa1 = (rowB[k] >> 15) & 0x1; - const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 4; - const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 4; - const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 4; - const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 4; + const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; + const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2; dst[i] = (alpha << 15) | (blue << 10) | (green << 5) | red; } } @@ -1531,9 +1531,9 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, const GLint rowAb1 = (rowA[k] >> 5) & 0x7; const GLint rowBb0 = (rowB[j] >> 5) & 0x7; const GLint rowBb1 = (rowB[k] >> 5) & 0x7; - const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 4; - const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 4; - const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 4; + const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2; dst[i] = (blue << 5) | (green << 2) | red; } } diff --git a/src/mesa/swrast/s_texture.c b/src/mesa/swrast/s_texture.c index 37e8ea86f34..496812f203d 100644 --- a/src/mesa/swrast/s_texture.c +++ b/src/mesa/swrast/s_texture.c @@ -3113,7 +3113,9 @@ _swrast_choose_texture_sample_func( GLcontext *ctx, /** * Do texture application for GL_ARB/EXT_texture_env_combine. * This function also supports GL_{EXT,ARB}_texture_env_dot3 and - * GL_ATI_texture_env_combine3 + * GL_ATI_texture_env_combine3. Since "classic" texture environments are + * implemented using GL_ARB_texture_env_combine-like state, this same function + * is used for classic texture environment application as well. * * \param ctx rendering context * \param textureUnit the texture unit to apply @@ -3132,8 +3134,8 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, const struct gl_texture_unit *textureUnit = &(ctx->Texture.Unit[unit]); const GLchan (*argRGB [3])[4]; const GLchan (*argA [3])[4]; - const GLuint RGBshift = textureUnit->CombineScaleShiftRGB; - const GLuint Ashift = textureUnit->CombineScaleShiftA; + const GLuint RGBshift = textureUnit->_CurrentCombine->ScaleShiftRGB; + const GLuint Ashift = textureUnit->_CurrentCombine->ScaleShiftA; #if CHAN_TYPE == GL_FLOAT const GLchan RGBmult = (GLfloat) (1 << RGBshift); const GLchan Amult = (GLfloat) (1 << Ashift); @@ -3159,67 +3161,22 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, /* printf("modeRGB 0x%x modeA 0x%x srcRGB1 0x%x srcA1 0x%x srcRGB2 0x%x srcA2 0x%x\n", - textureUnit->CombineModeRGB, - textureUnit->CombineModeA, - textureUnit->CombineSourceRGB[0], - textureUnit->CombineSourceA[0], - textureUnit->CombineSourceRGB[1], - textureUnit->CombineSourceA[1]); + textureUnit->_CurrentCombine->ModeRGB, + textureUnit->_CurrentCombine->ModeA, + textureUnit->_CurrentCombine->SourceRGB[0], + textureUnit->_CurrentCombine->SourceA[0], + textureUnit->_CurrentCombine->SourceRGB[1], + textureUnit->_CurrentCombine->SourceA[1]); */ /* * Do operand setup for up to 3 operands. Loop over the terms. */ - switch (textureUnit->CombineModeRGB) { - case GL_REPLACE: - numColorArgs = 1; - break; - case GL_MODULATE: - case GL_ADD: - case GL_ADD_SIGNED: - case GL_SUBTRACT: - case GL_DOT3_RGB: - case GL_DOT3_RGBA: - case GL_DOT3_RGB_EXT: - case GL_DOT3_RGBA_EXT: - numColorArgs = 2; - break; - case GL_INTERPOLATE: - case GL_MODULATE_ADD_ATI: - case GL_MODULATE_SIGNED_ADD_ATI: - case GL_MODULATE_SUBTRACT_ATI: - numColorArgs = 3; - break; - default: - numColorArgs = 0; - ASSERT(0); - break; - } - - switch (textureUnit->CombineModeA) { - case GL_REPLACE: - numAlphaArgs = 1; - break; - case GL_MODULATE: - case GL_ADD: - case GL_ADD_SIGNED: - case GL_SUBTRACT: - numAlphaArgs = 2; - break; - case GL_INTERPOLATE: - case GL_MODULATE_ADD_ATI: - case GL_MODULATE_SIGNED_ADD_ATI: - case GL_MODULATE_SUBTRACT_ATI: - numAlphaArgs = 3; - break; - default: - numAlphaArgs = 0; - ASSERT(0); - break; - } + numColorArgs = textureUnit->_CurrentCombine->_NumArgsRGB; + numAlphaArgs = textureUnit->_CurrentCombine->_NumArgsA; for (j = 0; j < numColorArgs; j++) { - const GLenum srcRGB = textureUnit->CombineSourceRGB[j]; + const GLenum srcRGB = textureUnit->_CurrentCombine->SourceRGB[j]; switch (srcRGB) { @@ -3270,21 +3227,21 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, } } - if (textureUnit->CombineOperandRGB[j] != GL_SRC_COLOR) { + if (textureUnit->_CurrentCombine->OperandRGB[j] != GL_SRC_COLOR) { const GLchan (*src)[4] = argRGB[j]; GLchan (*dst)[4] = ccolor[j]; /* point to new arg[j] storage */ argRGB[j] = (const GLchan (*)[4]) ccolor[j]; - if (textureUnit->CombineOperandRGB[j] == GL_ONE_MINUS_SRC_COLOR) { + if (textureUnit->_CurrentCombine->OperandRGB[j] == GL_ONE_MINUS_SRC_COLOR) { for (i = 0; i < n; i++) { dst[i][RCOMP] = CHAN_MAX - src[i][RCOMP]; dst[i][GCOMP] = CHAN_MAX - src[i][GCOMP]; dst[i][BCOMP] = CHAN_MAX - src[i][BCOMP]; } } - else if (textureUnit->CombineOperandRGB[j] == GL_SRC_ALPHA) { + else if (textureUnit->_CurrentCombine->OperandRGB[j] == GL_SRC_ALPHA) { for (i = 0; i < n; i++) { dst[i][RCOMP] = src[i][ACOMP]; dst[i][GCOMP] = src[i][ACOMP]; @@ -3292,7 +3249,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, } } else { - ASSERT(textureUnit->CombineOperandRGB[j] ==GL_ONE_MINUS_SRC_ALPHA); + ASSERT(textureUnit->_CurrentCombine->OperandRGB[j] ==GL_ONE_MINUS_SRC_ALPHA); for (i = 0; i < n; i++) { dst[i][RCOMP] = CHAN_MAX - src[i][ACOMP]; dst[i][GCOMP] = CHAN_MAX - src[i][ACOMP]; @@ -3304,7 +3261,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, for (j = 0; j < numAlphaArgs; j++) { - const GLenum srcA = textureUnit->CombineSourceA[j]; + const GLenum srcA = textureUnit->_CurrentCombine->SourceA[j]; switch (srcA) { case GL_TEXTURE: @@ -3346,7 +3303,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, } } - if (textureUnit->CombineOperandA[j] == GL_ONE_MINUS_SRC_ALPHA) { + if (textureUnit->_CurrentCombine->OperandA[j] == GL_ONE_MINUS_SRC_ALPHA) { const GLchan (*src)[4] = argA[j]; GLchan (*dst)[4] = ccolor[j]; argA[j] = (const GLchan (*)[4]) ccolor[j]; @@ -3359,7 +3316,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, /* * Do the texture combine. */ - switch (textureUnit->CombineModeRGB) { + switch (textureUnit->_CurrentCombine->ModeRGB) { case GL_REPLACE: { const GLchan (*arg0)[4] = (const GLchan (*)[4]) argRGB[0]; @@ -3651,7 +3608,7 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, _mesa_problem(ctx, "invalid combine mode"); } - switch (textureUnit->CombineModeA) { + switch (textureUnit->_CurrentCombine->ModeA) { case GL_REPLACE: { const GLchan (*arg0)[4] = (const GLchan (*)[4]) argA[0]; @@ -3823,8 +3780,8 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, * were written such that the GL_COMBINE_ALPHA value could be set to * GL_DOT3. */ - if (textureUnit->CombineModeRGB == GL_DOT3_RGBA_EXT || - textureUnit->CombineModeRGB == GL_DOT3_RGBA) { + if (textureUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA_EXT || + textureUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA) { for (i = 0; i < n; i++) { rgba[i][ACOMP] = rgba[i][RCOMP]; } @@ -3835,20 +3792,6 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n, /** - * Implement NVIDIA's GL_NV_texture_env_combine4 extension when - * texUnit->EnvMode == GL_COMBINE4_NV. - */ -static INLINE void -texture_combine4( const GLcontext *ctx, GLuint unit, GLuint n, - CONST GLchan (*primary_rgba)[4], - CONST GLchan *texelBuffer, - GLchan (*rgba)[4] ) -{ -} - - - -/** * Apply a conventional OpenGL texture env mode (REPLACE, ADD, BLEND, * MODULATE, or DECAL) to an array of fragments. * Input: textureUnit - pointer to texture unit to apply @@ -4276,20 +4219,12 @@ _swrast_texture_span( GLcontext *ctx, struct sw_span *span ) for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { if (ctx->Texture.Unit[unit]._ReallyEnabled) { const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - if (texUnit->EnvMode == GL_COMBINE) { - /* GL_ARB/EXT_texture_env_combine */ + if (texUnit->_CurrentCombine != &texUnit->_EnvMode ) { texture_combine( ctx, unit, span->end, (CONST GLchan (*)[4]) primary_rgba, swrast->TexelBuffer, span->array->rgba ); } - else if (texUnit->EnvMode == GL_COMBINE4_NV) { - /* GL_NV_texture_env_combine4 */ - texture_combine4( ctx, unit, span->end, - (CONST GLchan (*)[4]) primary_rgba, - swrast->TexelBuffer, - span->array->rgba ); - } else { /* conventional texture blend */ const GLchan (*texels)[4] = (const GLchan (*)[4]) |