-
- /*
- * Compute src/first term RGB
- */
- switch (softpipe->blend->rgb_src_factor) {
- case PIPE_BLENDFACTOR_ONE:
- VEC4_COPY(source[0], quadColor[0]); /* R */
- VEC4_COPY(source[1], quadColor[1]); /* G */
- VEC4_COPY(source[2], quadColor[2]); /* B */
- break;
- case PIPE_BLENDFACTOR_SRC_COLOR:
- VEC4_MUL(source[0], quadColor[0], quadColor[0]); /* R */
- VEC4_MUL(source[1], quadColor[1], quadColor[1]); /* G */
- VEC4_MUL(source[2], quadColor[2], quadColor[2]); /* B */
- break;
- case PIPE_BLENDFACTOR_SRC_ALPHA:
- {
- const float *alpha = quadColor[3];
- VEC4_MUL(source[0], quadColor[0], alpha); /* R */
- VEC4_MUL(source[1], quadColor[1], alpha); /* G */
- VEC4_MUL(source[2], quadColor[2], alpha); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_DST_COLOR:
- VEC4_MUL(source[0], quadColor[0], dest[0]); /* R */
- VEC4_MUL(source[1], quadColor[1], dest[1]); /* G */
- VEC4_MUL(source[2], quadColor[2], dest[2]); /* B */
- break;
- case PIPE_BLENDFACTOR_DST_ALPHA:
- {
- const float *alpha = dest[3];
- VEC4_MUL(source[0], quadColor[0], alpha); /* R */
- VEC4_MUL(source[1], quadColor[1], alpha); /* G */
- VEC4_MUL(source[2], quadColor[2], alpha); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
- {
- const float *alpha = quadColor[3];
- float diff[4], temp[4];
- VEC4_SUB(diff, one, dest[3]);
- VEC4_MIN(temp, alpha, diff);
- VEC4_MUL(source[0], quadColor[0], temp); /* R */
- VEC4_MUL(source[1], quadColor[1], temp); /* G */
- VEC4_MUL(source[2], quadColor[2], temp); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_CONST_COLOR:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->blend_color.color[0]); /* R */
- VEC4_MUL(source[0], quadColor[0], comp); /* R */
- VEC4_SCALAR(comp, softpipe->blend_color.color[1]); /* G */
- VEC4_MUL(source[1], quadColor[1], comp); /* G */
- VEC4_SCALAR(comp, softpipe->blend_color.color[2]); /* B */
- VEC4_MUL(source[2], quadColor[2], comp); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_CONST_ALPHA:
- {
- float alpha[4];
- VEC4_SCALAR(alpha, softpipe->blend_color.color[3]);
- VEC4_MUL(source[0], quadColor[0], alpha); /* R */
- VEC4_MUL(source[1], quadColor[1], alpha); /* G */
- VEC4_MUL(source[2], quadColor[2], alpha); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_SRC1_COLOR:
- assert(0); /* to do */
- break;
- case PIPE_BLENDFACTOR_SRC1_ALPHA:
- assert(0); /* to do */
- break;
- case PIPE_BLENDFACTOR_ZERO:
- VEC4_COPY(source[0], zero); /* R */
- VEC4_COPY(source[1], zero); /* G */
- VEC4_COPY(source[2], zero); /* B */
- break;
- case PIPE_BLENDFACTOR_INV_SRC_COLOR:
- {
- float inv_comp[4];
- VEC4_SUB(inv_comp, one, quadColor[0]); /* R */
- VEC4_MUL(source[0], quadColor[0], inv_comp); /* R */
- VEC4_SUB(inv_comp, one, quadColor[1]); /* G */
- VEC4_MUL(source[1], quadColor[1], inv_comp); /* G */
- VEC4_SUB(inv_comp, one, quadColor[2]); /* B */
- VEC4_MUL(source[2], quadColor[2], inv_comp); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
- {
- float inv_alpha[4];
- VEC4_SUB(inv_alpha, one, quadColor[3]);
- VEC4_MUL(source[0], quadColor[0], inv_alpha); /* R */
- VEC4_MUL(source[1], quadColor[1], inv_alpha); /* G */
- VEC4_MUL(source[2], quadColor[2], inv_alpha); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_DST_ALPHA:
- {
- float inv_alpha[4];
- VEC4_SUB(inv_alpha, one, dest[3]);
- VEC4_MUL(source[0], quadColor[0], inv_alpha); /* R */
- VEC4_MUL(source[1], quadColor[1], inv_alpha); /* G */
- VEC4_MUL(source[2], quadColor[2], inv_alpha); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_DST_COLOR:
- {
- float inv_comp[4];
- VEC4_SUB(inv_comp, one, dest[0]); /* R */
- VEC4_MUL(source[0], quadColor[0], inv_comp); /* R */
- VEC4_SUB(inv_comp, one, dest[1]); /* G */
- VEC4_MUL(source[1], quadColor[1], inv_comp); /* G */
- VEC4_SUB(inv_comp, one, dest[2]); /* B */
- VEC4_MUL(source[2], quadColor[2], inv_comp); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_CONST_COLOR:
- {
- float inv_comp[4];
- /* R */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[0]);
- VEC4_MUL(source[0], quadColor[0], inv_comp);
- /* G */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[1]);
- VEC4_MUL(source[1], quadColor[1], inv_comp);
- /* B */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[2]);
- VEC4_MUL(source[2], quadColor[2], inv_comp);
- }
- break;
- case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
- {
- float inv_alpha[4];
- VEC4_SCALAR(inv_alpha, 1.0f - softpipe->blend_color.color[3]);
- VEC4_MUL(source[0], quadColor[0], inv_alpha); /* R */
- VEC4_MUL(source[1], quadColor[1], inv_alpha); /* G */
- VEC4_MUL(source[2], quadColor[2], inv_alpha); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
- assert(0); /* to do */
- break;
- case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
- assert(0); /* to do */
- break;
- default:
- assert(0);
- }
-
- /*
- * Compute src/first term A
- */
- switch (softpipe->blend->alpha_src_factor) {
- case PIPE_BLENDFACTOR_ONE:
- VEC4_COPY(source[3], quadColor[3]); /* A */
- break;
- case PIPE_BLENDFACTOR_SRC_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_SRC_ALPHA:
- {
- const float *alpha = quadColor[3];
- VEC4_MUL(source[3], quadColor[3], alpha); /* A */
- }
- break;
- case PIPE_BLENDFACTOR_DST_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_DST_ALPHA:
- VEC4_MUL(source[3], quadColor[3], dest[3]); /* A */
- break;
- case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
- /* multiply alpha by 1.0 */
- VEC4_COPY(source[3], quadColor[3]); /* A */
- break;
- case PIPE_BLENDFACTOR_CONST_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_CONST_ALPHA:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->blend_color.color[3]); /* A */
- VEC4_MUL(source[3], quadColor[3], comp); /* A */
- }
- break;
- case PIPE_BLENDFACTOR_ZERO:
- VEC4_COPY(source[3], zero); /* A */
- break;
- case PIPE_BLENDFACTOR_INV_SRC_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
- {
- float inv_alpha[4];
- VEC4_SUB(inv_alpha, one, quadColor[3]);
- VEC4_MUL(source[3], quadColor[3], inv_alpha); /* A */
- }
- break;
- case PIPE_BLENDFACTOR_INV_DST_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_INV_DST_ALPHA:
- {
- float inv_alpha[4];
- VEC4_SUB(inv_alpha, one, dest[3]);
- VEC4_MUL(source[3], quadColor[3], inv_alpha); /* A */
- }
- break;
- case PIPE_BLENDFACTOR_INV_CONST_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
- {
- float inv_comp[4];
- /* A */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[3]);
- VEC4_MUL(source[3], quadColor[3], inv_comp);
- }
- break;
- default:
- assert(0);
- }
-
-
- /*
- * Compute dest/second term RGB
- */
- switch (softpipe->blend->rgb_dst_factor) {
- case PIPE_BLENDFACTOR_ONE:
- /* dest = dest * 1 NO-OP, leave dest as-is */
- break;
- case PIPE_BLENDFACTOR_SRC_COLOR:
- VEC4_MUL(dest[0], dest[0], quadColor[0]); /* R */
- VEC4_MUL(dest[1], dest[1], quadColor[1]); /* G */
- VEC4_MUL(dest[2], dest[2], quadColor[2]); /* B */
- break;
- case PIPE_BLENDFACTOR_SRC_ALPHA:
- VEC4_MUL(dest[0], dest[0], quadColor[3]); /* R * A */
- VEC4_MUL(dest[1], dest[1], quadColor[3]); /* G * A */
- VEC4_MUL(dest[2], dest[2], quadColor[3]); /* B * A */
- break;
- case PIPE_BLENDFACTOR_DST_ALPHA:
- VEC4_MUL(dest[0], dest[0], dest[3]); /* R * A */
- VEC4_MUL(dest[1], dest[1], dest[3]); /* G * A */
- VEC4_MUL(dest[2], dest[2], dest[3]); /* B * A */
- break;
- case PIPE_BLENDFACTOR_DST_COLOR:
- VEC4_MUL(dest[0], dest[0], dest[0]); /* R */
- VEC4_MUL(dest[1], dest[1], dest[1]); /* G */
- VEC4_MUL(dest[2], dest[2], dest[2]); /* B */
- break;
- case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
- assert(0); /* illegal */
- break;
- case PIPE_BLENDFACTOR_CONST_COLOR:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->blend_color.color[0]); /* R */
- VEC4_MUL(dest[0], dest[0], comp); /* R */
- VEC4_SCALAR(comp, softpipe->blend_color.color[1]); /* G */
- VEC4_MUL(dest[1], dest[1], comp); /* G */
- VEC4_SCALAR(comp, softpipe->blend_color.color[2]); /* B */
- VEC4_MUL(dest[2], dest[2], comp); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_CONST_ALPHA:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->blend_color.color[3]); /* A */
- VEC4_MUL(dest[0], dest[0], comp); /* R */
- VEC4_MUL(dest[1], dest[1], comp); /* G */
- VEC4_MUL(dest[2], dest[2], comp); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_ZERO:
- VEC4_COPY(dest[0], zero); /* R */
- VEC4_COPY(dest[1], zero); /* G */
- VEC4_COPY(dest[2], zero); /* B */
- break;
- case PIPE_BLENDFACTOR_SRC1_COLOR:
- case PIPE_BLENDFACTOR_SRC1_ALPHA:
- /* XXX what are these? */
- assert(0);
- break;
- case PIPE_BLENDFACTOR_INV_SRC_COLOR:
- {
- float inv_comp[4];
- VEC4_SUB(inv_comp, one, quadColor[0]); /* R */
- VEC4_MUL(dest[0], inv_comp, dest[0]); /* R */
- VEC4_SUB(inv_comp, one, quadColor[1]); /* G */
- VEC4_MUL(dest[1], inv_comp, dest[1]); /* G */
- VEC4_SUB(inv_comp, one, quadColor[2]); /* B */
- VEC4_MUL(dest[2], inv_comp, dest[2]); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
- {
- float one_minus_alpha[QUAD_SIZE];
- VEC4_SUB(one_minus_alpha, one, quadColor[3]);
- VEC4_MUL(dest[0], dest[0], one_minus_alpha); /* R */
- VEC4_MUL(dest[1], dest[1], one_minus_alpha); /* G */
- VEC4_MUL(dest[2], dest[2], one_minus_alpha); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_DST_ALPHA:
- {
- float inv_comp[4];
- VEC4_SUB(inv_comp, one, dest[3]); /* A */
- VEC4_MUL(dest[0], inv_comp, dest[0]); /* R */
- VEC4_MUL(dest[1], inv_comp, dest[1]); /* G */
- VEC4_MUL(dest[2], inv_comp, dest[2]); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_DST_COLOR:
- {
- float inv_comp[4];
- VEC4_SUB(inv_comp, one, dest[0]); /* R */
- VEC4_MUL(dest[0], dest[0], inv_comp); /* R */
- VEC4_SUB(inv_comp, one, dest[1]); /* G */
- VEC4_MUL(dest[1], dest[1], inv_comp); /* G */
- VEC4_SUB(inv_comp, one, dest[2]); /* B */
- VEC4_MUL(dest[2], dest[2], inv_comp); /* B */
- }
- break;
- case PIPE_BLENDFACTOR_INV_CONST_COLOR:
- {
- float inv_comp[4];
- /* R */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[0]);
- VEC4_MUL(dest[0], dest[0], inv_comp);
- /* G */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[1]);
- VEC4_MUL(dest[1], dest[1], inv_comp);
- /* B */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[2]);
- VEC4_MUL(dest[2], dest[2], inv_comp);
- }
- break;
- case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
- {
- float inv_comp[4];
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[3]);
- VEC4_MUL(dest[0], dest[0], inv_comp);
- VEC4_MUL(dest[1], dest[1], inv_comp);
- VEC4_MUL(dest[2], dest[2], inv_comp);
- }
- break;
- case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
- case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
- /* XXX what are these? */
- assert(0);
- break;
- default:
- assert(0);
- }
-
- /*
- * Compute dest/second term A
- */
- switch (softpipe->blend->alpha_dst_factor) {
- case PIPE_BLENDFACTOR_ONE:
- /* dest = dest * 1 NO-OP, leave dest as-is */
- break;
- case PIPE_BLENDFACTOR_SRC_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_SRC_ALPHA:
- VEC4_MUL(dest[3], dest[3], quadColor[3]); /* A * A */
- break;
- case PIPE_BLENDFACTOR_DST_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_DST_ALPHA:
- VEC4_MUL(dest[3], dest[3], dest[3]); /* A */
- break;
- case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
- assert(0); /* illegal */
- break;
- case PIPE_BLENDFACTOR_CONST_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_CONST_ALPHA:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->blend_color.color[3]); /* A */
- VEC4_MUL(dest[3], dest[3], comp); /* A */
- }
- break;
- case PIPE_BLENDFACTOR_ZERO:
- VEC4_COPY(dest[3], zero); /* A */
- break;
- case PIPE_BLENDFACTOR_INV_SRC_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
- {
- float one_minus_alpha[QUAD_SIZE];
- VEC4_SUB(one_minus_alpha, one, quadColor[3]);
- VEC4_MUL(dest[3], dest[3], one_minus_alpha); /* A */
- }
- break;
- case PIPE_BLENDFACTOR_INV_DST_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_INV_DST_ALPHA:
- {
- float inv_comp[4];
- VEC4_SUB(inv_comp, one, dest[3]); /* A */
- VEC4_MUL(dest[3], inv_comp, dest[3]); /* A */
- }
- break;
- case PIPE_BLENDFACTOR_INV_CONST_COLOR:
- /* fall-through */
- case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
- {
- float inv_comp[4];
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[3]);
- VEC4_MUL(dest[3], dest[3], inv_comp);
- }
- break;
- default:
- assert(0);
- }
-
- /*
- * Combine RGB terms
- */
- switch (softpipe->blend->rgb_func) {
- case PIPE_BLEND_ADD:
- VEC4_ADD_SAT(quadColor[0], source[0], dest[0]); /* R */
- VEC4_ADD_SAT(quadColor[1], source[1], dest[1]); /* G */
- VEC4_ADD_SAT(quadColor[2], source[2], dest[2]); /* B */
- break;
- case PIPE_BLEND_SUBTRACT:
- VEC4_SUB_SAT(quadColor[0], source[0], dest[0]); /* R */
- VEC4_SUB_SAT(quadColor[1], source[1], dest[1]); /* G */
- VEC4_SUB_SAT(quadColor[2], source[2], dest[2]); /* B */
- break;
- case PIPE_BLEND_REVERSE_SUBTRACT:
- VEC4_SUB_SAT(quadColor[0], dest[0], source[0]); /* R */
- VEC4_SUB_SAT(quadColor[1], dest[1], source[1]); /* G */
- VEC4_SUB_SAT(quadColor[2], dest[2], source[2]); /* B */
- break;
- case PIPE_BLEND_MIN:
- VEC4_MIN(quadColor[0], source[0], dest[0]); /* R */
- VEC4_MIN(quadColor[1], source[1], dest[1]); /* G */
- VEC4_MIN(quadColor[2], source[2], dest[2]); /* B */
- break;
- case PIPE_BLEND_MAX:
- VEC4_MAX(quadColor[0], source[0], dest[0]); /* R */
- VEC4_MAX(quadColor[1], source[1], dest[1]); /* G */
- VEC4_MAX(quadColor[2], source[2], dest[2]); /* B */
- break;
- default:
- assert(0);
- }
-
- /*
- * Combine A terms
- */
- switch (softpipe->blend->alpha_func) {
- case PIPE_BLEND_ADD:
- VEC4_ADD_SAT(quadColor[3], source[3], dest[3]); /* A */
- break;
- case PIPE_BLEND_SUBTRACT:
- VEC4_SUB_SAT(quadColor[3], source[3], dest[3]); /* A */
- break;
- case PIPE_BLEND_REVERSE_SUBTRACT:
- VEC4_SUB_SAT(quadColor[3], dest[3], source[3]); /* A */
- break;
- case PIPE_BLEND_MIN:
- VEC4_MIN(quadColor[3], source[3], dest[3]); /* A */
- break;
- case PIPE_BLEND_MAX:
- VEC4_MAX(quadColor[3], source[3], dest[3]); /* A */
- break;
- default:
- assert(0);
- }