* Texture combine functions
*/
-#define RADEON_DISABLE 0
-#define RADEON_REPLACE 1
-#define RADEON_MODULATE 2
-#define RADEON_DECAL 3
-#define RADEON_BLEND 4
-#define RADEON_ADD 5
-#define RADEON_MAX_COMBFUNC 6
-
-static GLuint radeon_color_combine[][RADEON_MAX_COMBFUNC] =
-{
- /* Unit 0:
- */
- {
- /* Disable combiner stage
- */
- (RADEON_COLOR_ARG_A_ZERO |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_CURRENT_COLOR |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_REPLACE = 0x00802800
- */
- (RADEON_COLOR_ARG_A_ZERO |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_T0_COLOR |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_MODULATE = 0x00800142
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_T0_COLOR |
- RADEON_COLOR_ARG_C_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_DECAL = 0x008c2d42
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_T0_COLOR |
- RADEON_COLOR_ARG_C_T0_ALPHA |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_BLEND = 0x008c2902
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_TFACTOR_COLOR |
- RADEON_COLOR_ARG_C_T0_COLOR |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_ADD = 0x00812802
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_T0_COLOR |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
- },
-
- /* Unit 1:
- */
- {
- /* Disable combiner stage
- */
- (RADEON_COLOR_ARG_A_ZERO |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_CURRENT_COLOR |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_REPLACE = 0x00803000
- */
- (RADEON_COLOR_ARG_A_ZERO |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_T1_COLOR |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_MODULATE = 0x00800182
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_T1_COLOR |
- RADEON_COLOR_ARG_C_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_DECAL = 0x008c3582
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_T1_COLOR |
- RADEON_COLOR_ARG_C_T1_ALPHA |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_BLEND = 0x008c3102
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_TFACTOR_COLOR |
- RADEON_COLOR_ARG_C_T1_COLOR |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_ADD = 0x00813002
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_T1_COLOR |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
- },
-
- /* Unit 2:
- */
- {
- /* Disable combiner stage
- */
- (RADEON_COLOR_ARG_A_ZERO |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_CURRENT_COLOR |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_REPLACE = 0x00803800
- */
- (RADEON_COLOR_ARG_A_ZERO |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_T2_COLOR |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_MODULATE = 0x008001c2
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_T2_COLOR |
- RADEON_COLOR_ARG_C_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_DECAL = 0x008c3dc2
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_T2_COLOR |
- RADEON_COLOR_ARG_C_T2_ALPHA |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_BLEND = 0x008c3902
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_TFACTOR_COLOR |
- RADEON_COLOR_ARG_C_T2_COLOR |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_ADD = 0x00813802
- */
- (RADEON_COLOR_ARG_A_CURRENT_COLOR |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_COLOR_ARG_C_T2_COLOR |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
- }
-};
-
-static GLuint radeon_alpha_combine[][RADEON_MAX_COMBFUNC] =
-{
- /* Unit 0:
- */
- {
- /* Disable combiner stage
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_CURRENT_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_REPLACE = 0x00800500
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_T0_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_MODULATE = 0x00800051
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_T0_ALPHA |
- RADEON_ALPHA_ARG_C_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_DECAL = 0x00800100
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_CURRENT_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_BLEND = 0x00800051
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_TFACTOR_ALPHA |
- RADEON_ALPHA_ARG_C_T0_ALPHA |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_ADD = 0x00800051
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_T0_ALPHA |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
- },
-
- /* Unit 1:
- */
- {
- /* Disable combiner stage
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_CURRENT_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_REPLACE = 0x00800600
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_T1_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_MODULATE = 0x00800061
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_T1_ALPHA |
- RADEON_ALPHA_ARG_C_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_DECAL = 0x00800100
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_CURRENT_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_BLEND = 0x00800061
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_TFACTOR_ALPHA |
- RADEON_ALPHA_ARG_C_T1_ALPHA |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_ADD = 0x00800061
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_T1_ALPHA |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
- },
-
- /* Unit 2:
- */
- {
- /* Disable combiner stage
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_CURRENT_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_REPLACE = 0x00800700
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_T2_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_MODULATE = 0x00800071
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_T2_ALPHA |
- RADEON_ALPHA_ARG_C_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_DECAL = 0x00800100
- */
- (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_CURRENT_ALPHA |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_BLEND = 0x00800071
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_TFACTOR_ALPHA |
- RADEON_ALPHA_ARG_C_T2_ALPHA |
- RADEON_BLEND_CTL_BLEND |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
-
- /* GL_ADD = 0x00800021
- */
- (RADEON_ALPHA_ARG_A_CURRENT_ALPHA |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_ALPHA_ARG_C_T2_ALPHA |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADD |
- RADEON_SCALE_1X |
- RADEON_CLAMP_TX),
- }
-};
-
-
/* GL_ARB_texture_env_combine support
*/
*/
rmesa->state.texture.unit[unit].format = 0;
rmesa->state.texture.unit[unit].envMode = 0;
- color_combine = radeon_color_combine[unit][RADEON_DISABLE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_DISABLE];
+ color_combine = RADEON_COLOR_ARG_A_ZERO | RADEON_COLOR_ARG_B_ZERO
+ | RADEON_COLOR_ARG_C_CURRENT_COLOR | RADEON_BLEND_CTL_ADD
+ | RADEON_SCALE_1X | RADEON_CLAMP_TX;
+ alpha_combine = RADEON_ALPHA_ARG_A_ZERO | RADEON_ALPHA_ARG_B_ZERO
+ | RADEON_ALPHA_ARG_C_CURRENT_ALPHA | RADEON_BLEND_CTL_ADD
+ | RADEON_SCALE_1X | RADEON_CLAMP_TX;
}
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->Combine.ScaleShiftRGB;
- GLuint Ashift = texUnit->Combine.ScaleShiftA;
+ GLuint i;
+ const GLuint numColorArgs = texUnit->_CurrentCombine->_NumArgsRGB;
+ const GLuint numAlphaArgs = texUnit->_CurrentCombine->_NumArgsA;
+ GLuint RGBshift = texUnit->_CurrentCombine->ScaleShiftRGB;
+ GLuint Ashift = texUnit->_CurrentCombine->ScaleShiftA;
- switch ( texUnit->EnvMode ) {
- case GL_REPLACE:
- switch ( format ) {
- case GL_RGBA:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- color_combine = radeon_color_combine[unit][RADEON_REPLACE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_REPLACE];
- break;
- case GL_ALPHA:
- color_combine = radeon_color_combine[unit][RADEON_DISABLE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_REPLACE];
- break;
- case GL_LUMINANCE:
- case GL_RGB:
- case GL_YCBCR_MESA:
- color_combine = radeon_color_combine[unit][RADEON_REPLACE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_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_MODULATE:
- switch ( format ) {
- case GL_RGBA:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- color_combine = radeon_color_combine[unit][RADEON_MODULATE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_MODULATE];
- break;
- case GL_ALPHA:
- color_combine = radeon_color_combine[unit][RADEON_DISABLE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_MODULATE];
- break;
- case GL_RGB:
- case GL_LUMINANCE:
- case GL_YCBCR_MESA:
- color_combine = radeon_color_combine[unit][RADEON_MODULATE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_DISABLE];
- break;
- case GL_COLOR_INDEX:
- default:
- return GL_FALSE;
- }
- break;
- case GL_DECAL:
- switch ( format ) {
- case GL_RGBA:
- case GL_RGB:
- case GL_YCBCR_MESA:
- color_combine = radeon_color_combine[unit][RADEON_DECAL];
- alpha_combine = radeon_alpha_combine[unit][RADEON_DISABLE];
- break;
- case GL_ALPHA:
- case GL_LUMINANCE:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- color_combine = radeon_color_combine[unit][RADEON_DISABLE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_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 = radeon_color_combine[unit][RADEON_BLEND];
- alpha_combine = radeon_alpha_combine[unit][RADEON_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] = radeon_texture_color[op][unit];
break;
- case GL_ALPHA:
- color_combine = radeon_color_combine[unit][RADEON_DISABLE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_MODULATE];
+ case GL_CONSTANT:
+ color_arg[i] = radeon_tfactor_color[op];
break;
- case GL_INTENSITY:
- color_combine = radeon_color_combine[unit][RADEON_BLEND];
- alpha_combine = radeon_alpha_combine[unit][RADEON_BLEND];
+ case GL_PRIMARY_COLOR:
+ color_arg[i] = radeon_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 = radeon_color_combine[unit][RADEON_ADD];
- alpha_combine = radeon_alpha_combine[unit][RADEON_MODULATE];
+ case GL_PREVIOUS:
+ color_arg[i] = radeon_previous_color[op];
break;
- case GL_ALPHA:
- color_combine = radeon_color_combine[unit][RADEON_DISABLE];
- alpha_combine = radeon_alpha_combine[unit][RADEON_MODULATE];
+ case GL_ZERO:
+ color_arg[i] = radeon_zero_color[op];
break;
- case GL_INTENSITY:
- color_combine = radeon_color_combine[unit][RADEON_ADD];
- alpha_combine = radeon_alpha_combine[unit][RADEON_ADD];
+ case GL_ONE:
+ color_arg[i] = radeon_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->Combine.ModeRGB ) {
- 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] = radeon_texture_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] = radeon_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] = radeon_primary_alpha[op];
break;
- default:
- return GL_FALSE;
- }
-
- switch ( texUnit->Combine.ModeA ) {
- case GL_REPLACE:
- numAlphaArgs = 1;
+ case GL_PREVIOUS:
+ alpha_arg[i] = radeon_previous_alpha[op];
break;
- case GL_MODULATE:
- case GL_ADD:
- case GL_ADD_SIGNED:
- case GL_SUBTRACT:
- numAlphaArgs = 2;
+ case GL_ZERO:
+ alpha_arg[i] = radeon_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] = radeon_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->Combine.OperandRGB[i] - GL_SRC_COLOR;
- assert(op >= 0);
- assert(op <= 3);
- switch ( texUnit->Combine.SourceRGB[i] ) {
- case GL_TEXTURE:
- color_arg[i] = radeon_texture_color[op][unit];
- break;
- case GL_CONSTANT:
- color_arg[i] = radeon_tfactor_color[op];
- break;
- case GL_PRIMARY_COLOR:
- color_arg[i] = radeon_primary_color[op];
- break;
- case GL_PREVIOUS:
- color_arg[i] = radeon_previous_color[op];
- break;
- case GL_ZERO:
- color_arg[i] = radeon_zero_color[op];
- break;
- case GL_ONE:
- color_arg[i] = radeon_zero_color[op+1];
- break;
- default:
- return GL_FALSE;
- }
- }
-
- for ( i = 0 ; i < numAlphaArgs ; i++ ) {
- const GLuint op = texUnit->Combine.OperandA[i] - GL_SRC_ALPHA;
- assert(op >= 0);
- assert(op <= 1);
- switch ( texUnit->Combine.SourceA[i] ) {
- case GL_TEXTURE:
- alpha_arg[i] = radeon_texture_alpha[op][unit];
- break;
- case GL_CONSTANT:
- alpha_arg[i] = radeon_tfactor_alpha[op];
- break;
- case GL_PRIMARY_COLOR:
- alpha_arg[i] = radeon_primary_alpha[op];
- break;
- case GL_PREVIOUS:
- alpha_arg[i] = radeon_previous_alpha[op];
- break;
- case GL_ZERO:
- alpha_arg[i] = radeon_zero_alpha[op];
- break;
- case GL_ONE:
- alpha_arg[i] = radeon_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 = (RADEON_COLOR_ARG_A_ZERO |
+ RADEON_COLOR_ARG_B_ZERO |
+ RADEON_BLEND_CTL_ADD |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, C );
+ break;
+ case GL_MODULATE:
+ color_combine = (RADEON_COLOR_ARG_C_ZERO |
+ RADEON_BLEND_CTL_ADD |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, A );
+ RADEON_COLOR_ARG( 1, B );
+ break;
+ case GL_ADD:
+ color_combine = (RADEON_COLOR_ARG_B_ZERO |
+ RADEON_COMP_ARG_B |
+ RADEON_BLEND_CTL_ADD |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, A );
+ RADEON_COLOR_ARG( 1, C );
+ break;
+ case GL_ADD_SIGNED:
+ color_combine = (RADEON_COLOR_ARG_B_ZERO |
+ RADEON_COMP_ARG_B |
+ RADEON_BLEND_CTL_ADDSIGNED |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, A );
+ RADEON_COLOR_ARG( 1, C );
+ break;
+ case GL_SUBTRACT:
+ color_combine = (RADEON_COLOR_ARG_B_ZERO |
+ RADEON_COMP_ARG_B |
+ RADEON_BLEND_CTL_SUBTRACT |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, A );
+ RADEON_COLOR_ARG( 1, C );
+ break;
+ case GL_INTERPOLATE:
+ color_combine = (RADEON_BLEND_CTL_BLEND |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, B );
+ RADEON_COLOR_ARG( 1, A );
+ RADEON_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.
*/
- switch ( texUnit->Combine.ModeRGB ) {
- case GL_REPLACE:
- color_combine = (RADEON_COLOR_ARG_A_ZERO |
- RADEON_COLOR_ARG_B_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, C );
- break;
- case GL_MODULATE:
- color_combine = (RADEON_COLOR_ARG_C_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, A );
- RADEON_COLOR_ARG( 1, B );
- break;
- case GL_ADD:
- color_combine = (RADEON_COLOR_ARG_B_ZERO |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADD |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, A );
- RADEON_COLOR_ARG( 1, C );
- break;
- case GL_ADD_SIGNED:
- color_combine = (RADEON_COLOR_ARG_B_ZERO |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADDSIGNED |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, A );
- RADEON_COLOR_ARG( 1, C );
- break;
- case GL_SUBTRACT:
- color_combine = (RADEON_COLOR_ARG_B_ZERO |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_SUBTRACT |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, A );
- RADEON_COLOR_ARG( 1, C );
- break;
- case GL_INTERPOLATE:
- color_combine = (RADEON_BLEND_CTL_BLEND |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, B );
- RADEON_COLOR_ARG( 1, A );
- RADEON_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:
- /* The R100 / RV200 only support a 1X multiplier in hardware
- * w/the ARB version.
- */
- if ( RGBshift != (RADEON_SCALE_1X >> RADEON_SCALE_SHIFT) ) {
- return GL_FALSE;
- }
-
- RGBshift += 2;
- Ashift = RGBshift;
-
- color_combine = (RADEON_COLOR_ARG_C_ZERO |
- RADEON_BLEND_CTL_DOT3 |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, A );
- RADEON_COLOR_ARG( 1, B );
- break;
-
- case GL_MODULATE_ADD_ATI:
- color_combine = (RADEON_BLEND_CTL_ADD |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, A );
- RADEON_COLOR_ARG( 1, C );
- RADEON_COLOR_ARG( 2, B );
- break;
- case GL_MODULATE_SIGNED_ADD_ATI:
- color_combine = (RADEON_BLEND_CTL_ADDSIGNED |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, A );
- RADEON_COLOR_ARG( 1, C );
- RADEON_COLOR_ARG( 2, B );
- break;
- case GL_MODULATE_SUBTRACT_ATI:
- color_combine = (RADEON_BLEND_CTL_SUBTRACT |
- RADEON_CLAMP_TX);
- RADEON_COLOR_ARG( 0, A );
- RADEON_COLOR_ARG( 1, C );
- RADEON_COLOR_ARG( 2, B );
- break;
- default:
+ RGBshift = 0;
+ Ashift = 0;
+ /* FALLTHROUGH */
+
+ case GL_DOT3_RGB:
+ case GL_DOT3_RGBA:
+ /* The R100 / RV200 only support a 1X multiplier in hardware
+ * w/the ARB version.
+ */
+ if ( RGBshift != (RADEON_SCALE_1X >> RADEON_SCALE_SHIFT) ) {
return GL_FALSE;
}
- switch ( texUnit->Combine.ModeA ) {
- case GL_REPLACE:
- alpha_combine = (RADEON_ALPHA_ARG_A_ZERO |
- RADEON_ALPHA_ARG_B_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, C );
- break;
- case GL_MODULATE:
- alpha_combine = (RADEON_ALPHA_ARG_C_ZERO |
- RADEON_BLEND_CTL_ADD |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, A );
- RADEON_ALPHA_ARG( 1, B );
- break;
- case GL_ADD:
- alpha_combine = (RADEON_ALPHA_ARG_B_ZERO |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADD |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, A );
- RADEON_ALPHA_ARG( 1, C );
- break;
- case GL_ADD_SIGNED:
- alpha_combine = (RADEON_ALPHA_ARG_B_ZERO |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_ADDSIGNED |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, A );
- RADEON_ALPHA_ARG( 1, C );
- break;
- case GL_SUBTRACT:
- alpha_combine = (RADEON_COLOR_ARG_B_ZERO |
- RADEON_COMP_ARG_B |
- RADEON_BLEND_CTL_SUBTRACT |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, A );
- RADEON_ALPHA_ARG( 1, C );
- break;
- case GL_INTERPOLATE:
- alpha_combine = (RADEON_BLEND_CTL_BLEND |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, B );
- RADEON_ALPHA_ARG( 1, A );
- RADEON_ALPHA_ARG( 2, C );
- break;
-
- case GL_MODULATE_ADD_ATI:
- alpha_combine = (RADEON_BLEND_CTL_ADD |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, A );
- RADEON_ALPHA_ARG( 1, C );
- RADEON_ALPHA_ARG( 2, B );
- break;
- case GL_MODULATE_SIGNED_ADD_ATI:
- alpha_combine = (RADEON_BLEND_CTL_ADDSIGNED |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, A );
- RADEON_ALPHA_ARG( 1, C );
- RADEON_ALPHA_ARG( 2, B );
- break;
- case GL_MODULATE_SUBTRACT_ATI:
- alpha_combine = (RADEON_BLEND_CTL_SUBTRACT |
- RADEON_CLAMP_TX);
- RADEON_ALPHA_ARG( 0, A );
- RADEON_ALPHA_ARG( 1, C );
- RADEON_ALPHA_ARG( 2, B );
- break;
- default:
- return GL_FALSE;
- }
+ RGBshift += 2;
+ Ashift = RGBshift;
- if ( (texUnit->Combine.ModeRGB == GL_DOT3_RGB_EXT)
- || (texUnit->Combine.ModeRGB == GL_DOT3_RGB) ) {
- alpha_combine |= RADEON_DOT_ALPHA_DONT_REPLICATE;
- }
+ color_combine = (RADEON_COLOR_ARG_C_ZERO |
+ RADEON_BLEND_CTL_DOT3 |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, A );
+ RADEON_COLOR_ARG( 1, B );
+ break;
- /* Step 3:
- * Apply the scale factor.
- */
- color_combine |= (RGBshift << RADEON_SCALE_SHIFT);
- alpha_combine |= (Ashift << RADEON_SCALE_SHIFT);
+ case GL_MODULATE_ADD_ATI:
+ color_combine = (RADEON_BLEND_CTL_ADD |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, A );
+ RADEON_COLOR_ARG( 1, C );
+ RADEON_COLOR_ARG( 2, B );
+ break;
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ color_combine = (RADEON_BLEND_CTL_ADDSIGNED |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, A );
+ RADEON_COLOR_ARG( 1, C );
+ RADEON_COLOR_ARG( 2, B );
+ break;
+ case GL_MODULATE_SUBTRACT_ATI:
+ color_combine = (RADEON_BLEND_CTL_SUBTRACT |
+ RADEON_CLAMP_TX);
+ RADEON_COLOR_ARG( 0, A );
+ RADEON_COLOR_ARG( 1, C );
+ RADEON_COLOR_ARG( 2, B );
+ break;
+ default:
+ return GL_FALSE;
+ }
- /* All done!
- */
+ switch ( texUnit->_CurrentCombine->ModeA ) {
+ case GL_REPLACE:
+ alpha_combine = (RADEON_ALPHA_ARG_A_ZERO |
+ RADEON_ALPHA_ARG_B_ZERO |
+ RADEON_BLEND_CTL_ADD |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, C );
+ break;
+ case GL_MODULATE:
+ alpha_combine = (RADEON_ALPHA_ARG_C_ZERO |
+ RADEON_BLEND_CTL_ADD |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, A );
+ RADEON_ALPHA_ARG( 1, B );
+ break;
+ case GL_ADD:
+ alpha_combine = (RADEON_ALPHA_ARG_B_ZERO |
+ RADEON_COMP_ARG_B |
+ RADEON_BLEND_CTL_ADD |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, A );
+ RADEON_ALPHA_ARG( 1, C );
+ break;
+ case GL_ADD_SIGNED:
+ alpha_combine = (RADEON_ALPHA_ARG_B_ZERO |
+ RADEON_COMP_ARG_B |
+ RADEON_BLEND_CTL_ADDSIGNED |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, A );
+ RADEON_ALPHA_ARG( 1, C );
+ break;
+ case GL_SUBTRACT:
+ alpha_combine = (RADEON_COLOR_ARG_B_ZERO |
+ RADEON_COMP_ARG_B |
+ RADEON_BLEND_CTL_SUBTRACT |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, A );
+ RADEON_ALPHA_ARG( 1, C );
+ break;
+ case GL_INTERPOLATE:
+ alpha_combine = (RADEON_BLEND_CTL_BLEND |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, B );
+ RADEON_ALPHA_ARG( 1, A );
+ RADEON_ALPHA_ARG( 2, C );
break;
+ case GL_MODULATE_ADD_ATI:
+ alpha_combine = (RADEON_BLEND_CTL_ADD |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, A );
+ RADEON_ALPHA_ARG( 1, C );
+ RADEON_ALPHA_ARG( 2, B );
+ break;
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ alpha_combine = (RADEON_BLEND_CTL_ADDSIGNED |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, A );
+ RADEON_ALPHA_ARG( 1, C );
+ RADEON_ALPHA_ARG( 2, B );
+ break;
+ case GL_MODULATE_SUBTRACT_ATI:
+ alpha_combine = (RADEON_BLEND_CTL_SUBTRACT |
+ RADEON_CLAMP_TX);
+ RADEON_ALPHA_ARG( 0, A );
+ RADEON_ALPHA_ARG( 1, C );
+ RADEON_ALPHA_ARG( 2, B );
+ break;
default:
return GL_FALSE;
}
+
+ if ( (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGB_EXT)
+ || (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGB) ) {
+ alpha_combine |= RADEON_DOT_ALPHA_DONT_REPLICATE;
+ }
+
+ /* Step 3:
+ * Apply the scale factor.
+ */
+ color_combine |= (RGBshift << RADEON_SCALE_SHIFT);
+ alpha_combine |= (Ashift << RADEON_SCALE_SHIFT);
+
+ /* All done!
+ */
}
if ( rmesa->hw.tex[unit].cmd[TEX_PP_TXCBLEND] != color_combine ||
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