logicop_quad(struct quad_stage *qs, struct quad_header *quad)
{
struct softpipe_context *softpipe = qs->softpipe;
- float dest[4][QUAD_SIZE];
- ubyte src[4][4], dst[4][4], res[4][4];
- uint *src4 = (uint *) src;
- uint *dst4 = (uint *) dst;
- uint *res4 = (uint *) res;
- struct softpipe_cached_tile *
- tile = sp_get_cached_tile(softpipe,
- softpipe->cbuf_cache[softpipe->current_cbuf],
- quad->x0, quad->y0);
- float (*quadColor)[4] = quad->outputs.color;
- uint i, j;
-
- /* get/swizzle dest colors */
- for (j = 0; j < QUAD_SIZE; j++) {
- int x = (quad->x0 & (TILE_SIZE-1)) + (j & 1);
- int y = (quad->y0 & (TILE_SIZE-1)) + (j >> 1);
- for (i = 0; i < 4; i++) {
- dest[i][j] = tile->data.color[y][x][i];
+ uint cbuf;
+
+ /* loop over colorbuffer outputs */
+ for (cbuf = 0; cbuf < softpipe->framebuffer.num_cbufs; cbuf++) {
+ float dest[4][QUAD_SIZE];
+ ubyte src[4][4], dst[4][4], res[4][4];
+ uint *src4 = (uint *) src;
+ uint *dst4 = (uint *) dst;
+ uint *res4 = (uint *) res;
+ struct softpipe_cached_tile *
+ tile = sp_get_cached_tile(softpipe,
+ softpipe->cbuf_cache[cbuf],
+ quad->x0, quad->y0);
+ float (*quadColor)[4] = quad->outputs.color[cbuf];
+ uint i, j;
+
+ /* get/swizzle dest colors */
+ for (j = 0; j < QUAD_SIZE; j++) {
+ int x = (quad->x0 & (TILE_SIZE-1)) + (j & 1);
+ int y = (quad->y0 & (TILE_SIZE-1)) + (j >> 1);
+ for (i = 0; i < 4; i++) {
+ dest[i][j] = tile->data.color[y][x][i];
+ }
}
- }
- /* convert to ubyte */
- for (j = 0; j < 4; j++) { /* loop over R,G,B,A channels */
- UNCLAMPED_FLOAT_TO_UBYTE(dst[j][0], dest[j][0]); /* P0 */
- UNCLAMPED_FLOAT_TO_UBYTE(dst[j][1], dest[j][1]); /* P1 */
- UNCLAMPED_FLOAT_TO_UBYTE(dst[j][2], dest[j][2]); /* P2 */
- UNCLAMPED_FLOAT_TO_UBYTE(dst[j][3], dest[j][3]); /* P3 */
-
- UNCLAMPED_FLOAT_TO_UBYTE(src[j][0], quadColor[j][0]); /* P0 */
- UNCLAMPED_FLOAT_TO_UBYTE(src[j][1], quadColor[j][1]); /* P1 */
- UNCLAMPED_FLOAT_TO_UBYTE(src[j][2], quadColor[j][2]); /* P2 */
- UNCLAMPED_FLOAT_TO_UBYTE(src[j][3], quadColor[j][3]); /* P3 */
- }
+ /* convert to ubyte */
+ for (j = 0; j < 4; j++) { /* loop over R,G,B,A channels */
+ UNCLAMPED_FLOAT_TO_UBYTE(dst[j][0], dest[j][0]); /* P0 */
+ UNCLAMPED_FLOAT_TO_UBYTE(dst[j][1], dest[j][1]); /* P1 */
+ UNCLAMPED_FLOAT_TO_UBYTE(dst[j][2], dest[j][2]); /* P2 */
+ UNCLAMPED_FLOAT_TO_UBYTE(dst[j][3], dest[j][3]); /* P3 */
+
+ UNCLAMPED_FLOAT_TO_UBYTE(src[j][0], quadColor[j][0]); /* P0 */
+ UNCLAMPED_FLOAT_TO_UBYTE(src[j][1], quadColor[j][1]); /* P1 */
+ UNCLAMPED_FLOAT_TO_UBYTE(src[j][2], quadColor[j][2]); /* P2 */
+ UNCLAMPED_FLOAT_TO_UBYTE(src[j][3], quadColor[j][3]); /* P3 */
+ }
- switch (softpipe->blend->logicop_func) {
- case PIPE_LOGICOP_CLEAR:
- for (j = 0; j < 4; j++)
- res4[j] = 0;
- break;
- case PIPE_LOGICOP_NOR:
- for (j = 0; j < 4; j++)
- res4[j] = ~(src4[j] | dst4[j]);
- break;
- case PIPE_LOGICOP_AND_INVERTED:
- for (j = 0; j < 4; j++)
- res4[j] = ~src4[j] & dst4[j];
- break;
- case PIPE_LOGICOP_COPY_INVERTED:
- for (j = 0; j < 4; j++)
- res4[j] = ~src4[j];
- break;
- case PIPE_LOGICOP_AND_REVERSE:
- for (j = 0; j < 4; j++)
- res4[j] = src4[j] & ~dst4[j];
- break;
- case PIPE_LOGICOP_INVERT:
- for (j = 0; j < 4; j++)
- res4[j] = ~dst4[j];
- break;
- case PIPE_LOGICOP_XOR:
- for (j = 0; j < 4; j++)
- res4[j] = dst4[j] ^ src4[j];
- break;
- case PIPE_LOGICOP_NAND:
- for (j = 0; j < 4; j++)
- res4[j] = ~(src4[j] & dst4[j]);
- break;
- case PIPE_LOGICOP_AND:
- for (j = 0; j < 4; j++)
- res4[j] = src4[j] & dst4[j];
- break;
- case PIPE_LOGICOP_EQUIV:
- for (j = 0; j < 4; j++)
- res4[j] = ~(src4[j] ^ dst4[j]);
- break;
- case PIPE_LOGICOP_NOOP:
- for (j = 0; j < 4; j++)
- res4[j] = dst4[j];
- break;
- case PIPE_LOGICOP_OR_INVERTED:
- for (j = 0; j < 4; j++)
- res4[j] = ~src4[j] | dst4[j];
- break;
- case PIPE_LOGICOP_COPY:
- for (j = 0; j < 4; j++)
- res4[j] = src4[j];
- break;
- case PIPE_LOGICOP_OR_REVERSE:
- for (j = 0; j < 4; j++)
- res4[j] = src4[j] | ~dst4[j];
- break;
- case PIPE_LOGICOP_OR:
- for (j = 0; j < 4; j++)
- res4[j] = src4[j] | dst4[j];
- break;
- case PIPE_LOGICOP_SET:
- for (j = 0; j < 4; j++)
- res4[j] = ~0;
- break;
- default:
- assert(0);
- }
+ switch (softpipe->blend->logicop_func) {
+ case PIPE_LOGICOP_CLEAR:
+ for (j = 0; j < 4; j++)
+ res4[j] = 0;
+ break;
+ case PIPE_LOGICOP_NOR:
+ for (j = 0; j < 4; j++)
+ res4[j] = ~(src4[j] | dst4[j]);
+ break;
+ case PIPE_LOGICOP_AND_INVERTED:
+ for (j = 0; j < 4; j++)
+ res4[j] = ~src4[j] & dst4[j];
+ break;
+ case PIPE_LOGICOP_COPY_INVERTED:
+ for (j = 0; j < 4; j++)
+ res4[j] = ~src4[j];
+ break;
+ case PIPE_LOGICOP_AND_REVERSE:
+ for (j = 0; j < 4; j++)
+ res4[j] = src4[j] & ~dst4[j];
+ break;
+ case PIPE_LOGICOP_INVERT:
+ for (j = 0; j < 4; j++)
+ res4[j] = ~dst4[j];
+ break;
+ case PIPE_LOGICOP_XOR:
+ for (j = 0; j < 4; j++)
+ res4[j] = dst4[j] ^ src4[j];
+ break;
+ case PIPE_LOGICOP_NAND:
+ for (j = 0; j < 4; j++)
+ res4[j] = ~(src4[j] & dst4[j]);
+ break;
+ case PIPE_LOGICOP_AND:
+ for (j = 0; j < 4; j++)
+ res4[j] = src4[j] & dst4[j];
+ break;
+ case PIPE_LOGICOP_EQUIV:
+ for (j = 0; j < 4; j++)
+ res4[j] = ~(src4[j] ^ dst4[j]);
+ break;
+ case PIPE_LOGICOP_NOOP:
+ for (j = 0; j < 4; j++)
+ res4[j] = dst4[j];
+ break;
+ case PIPE_LOGICOP_OR_INVERTED:
+ for (j = 0; j < 4; j++)
+ res4[j] = ~src4[j] | dst4[j];
+ break;
+ case PIPE_LOGICOP_COPY:
+ for (j = 0; j < 4; j++)
+ res4[j] = src4[j];
+ break;
+ case PIPE_LOGICOP_OR_REVERSE:
+ for (j = 0; j < 4; j++)
+ res4[j] = src4[j] | ~dst4[j];
+ break;
+ case PIPE_LOGICOP_OR:
+ for (j = 0; j < 4; j++)
+ res4[j] = src4[j] | dst4[j];
+ break;
+ case PIPE_LOGICOP_SET:
+ for (j = 0; j < 4; j++)
+ res4[j] = ~0;
+ break;
+ default:
+ assert(0);
+ }
- for (j = 0; j < 4; j++) {
- quadColor[j][0] = UBYTE_TO_FLOAT(res[j][0]);
- quadColor[j][1] = UBYTE_TO_FLOAT(res[j][1]);
- quadColor[j][2] = UBYTE_TO_FLOAT(res[j][2]);
- quadColor[j][3] = UBYTE_TO_FLOAT(res[j][3]);
+ for (j = 0; j < 4; j++) {
+ quadColor[j][0] = UBYTE_TO_FLOAT(res[j][0]);
+ quadColor[j][1] = UBYTE_TO_FLOAT(res[j][1]);
+ quadColor[j][2] = UBYTE_TO_FLOAT(res[j][2]);
+ quadColor[j][3] = UBYTE_TO_FLOAT(res[j][3]);
+ }
}
/* pass quad to next stage */
static void
blend_quad(struct quad_stage *qs, struct quad_header *quad)
{
- struct softpipe_context *softpipe = qs->softpipe;
static const float zero[4] = { 0, 0, 0, 0 };
static const float one[4] = { 1, 1, 1, 1 };
- float source[4][QUAD_SIZE], dest[4][QUAD_SIZE];
- struct softpipe_cached_tile *tile
- = sp_get_cached_tile(softpipe,
- softpipe->cbuf_cache[softpipe->current_cbuf],
- quad->x0, quad->y0);
- float (*quadColor)[4] = quad->outputs.color;
- uint i, j;
-
- if (softpipe->blend->logicop_enable) {
- logicop_quad(qs, quad);
- return;
- }
- /* get/swizzle dest colors */
- for (j = 0; j < QUAD_SIZE; j++) {
- int x = (quad->x0 & (TILE_SIZE-1)) + (j & 1);
- int y = (quad->y0 & (TILE_SIZE-1)) + (j >> 1);
- for (i = 0; i < 4; i++) {
- dest[i][j] = tile->data.color[y][x][i];
+ struct softpipe_context *softpipe = qs->softpipe;
+ uint cbuf;
+
+ /* loop over colorbuffer outputs */
+ for (cbuf = 0; cbuf < softpipe->framebuffer.num_cbufs; cbuf++) {
+ float source[4][QUAD_SIZE], dest[4][QUAD_SIZE];
+ struct softpipe_cached_tile *tile
+ = sp_get_cached_tile(softpipe,
+ softpipe->cbuf_cache[cbuf],
+ quad->x0, quad->y0);
+ float (*quadColor)[4] = quad->outputs.color[cbuf];
+ uint i, j;
+
+ if (softpipe->blend->logicop_enable) {
+ logicop_quad(qs, quad);
+ return;
}
- }
- /*
- * 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];
- VEC4_SUB(diff, one, dest[3]);
- VEC4_MIN(source[0], alpha, diff); /* R */
- VEC4_MIN(source[1], alpha, diff); /* G */
- VEC4_MIN(source[2], alpha, diff); /* 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:
- {
- const float *alpha = quadColor[3];
- float diff[4];
- VEC4_SUB(diff, one, dest[3]);
- VEC4_MIN(source[3], alpha, diff); /* 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 */
+ /* get/swizzle dest colors */
+ for (j = 0; j < QUAD_SIZE; j++) {
+ int x = (quad->x0 & (TILE_SIZE-1)) + (j & 1);
+ int y = (quad->y0 & (TILE_SIZE-1)) + (j >> 1);
+ for (i = 0; i < 4; i++) {
+ dest[i][j] = tile->data.color[y][x][i];
+ }
}
- 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, quadColor[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);
+
+ /*
+ * 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];
+ VEC4_SUB(diff, one, dest[3]);
+ VEC4_MIN(source[0], alpha, diff); /* R */
+ VEC4_MIN(source[1], alpha, diff); /* G */
+ VEC4_MIN(source[2], alpha, diff); /* 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);
}
- 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);
+
+ /*
+ * 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:
+ {
+ const float *alpha = quadColor[3];
+ float diff[4];
+ VEC4_SUB(diff, one, dest[3]);
+ VEC4_MIN(source[3], alpha, diff); /* 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);
}
- 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 */
+
+
+ /*
+ * 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, quadColor[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);
}
- 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 */
+
+ /*
+ * 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);
}
- 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 */
+
+ /*
+ * Combine RGB terms
+ */
+ switch (softpipe->blend->rgb_func) {
+ case PIPE_BLEND_ADD:
+ VEC4_ADD(quadColor[0], source[0], dest[0]); /* R */
+ VEC4_ADD(quadColor[1], source[1], dest[1]); /* G */
+ VEC4_ADD(quadColor[2], source[2], dest[2]); /* B */
+ break;
+ case PIPE_BLEND_SUBTRACT:
+ VEC4_SUB(quadColor[0], source[0], dest[0]); /* R */
+ VEC4_SUB(quadColor[1], source[1], dest[1]); /* G */
+ VEC4_SUB(quadColor[2], source[2], dest[2]); /* B */
+ break;
+ case PIPE_BLEND_REVERSE_SUBTRACT:
+ VEC4_SUB(quadColor[0], dest[0], source[0]); /* R */
+ VEC4_SUB(quadColor[1], dest[1], source[1]); /* G */
+ VEC4_SUB(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);
}
- 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);
+
+ /*
+ * Combine A terms
+ */
+ switch (softpipe->blend->alpha_func) {
+ case PIPE_BLEND_ADD:
+ VEC4_ADD(quadColor[3], source[3], dest[3]); /* A */
+ break;
+ case PIPE_BLEND_SUBTRACT:
+ VEC4_SUB(quadColor[3], source[3], dest[3]); /* A */
+ break;
+ case PIPE_BLEND_REVERSE_SUBTRACT:
+ VEC4_SUB(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);
}
- break;
- default:
- assert(0);
- }
-
- /*
- * Combine RGB terms
- */
- switch (softpipe->blend->rgb_func) {
- case PIPE_BLEND_ADD:
- VEC4_ADD(quadColor[0], source[0], dest[0]); /* R */
- VEC4_ADD(quadColor[1], source[1], dest[1]); /* G */
- VEC4_ADD(quadColor[2], source[2], dest[2]); /* B */
- break;
- case PIPE_BLEND_SUBTRACT:
- VEC4_SUB(quadColor[0], source[0], dest[0]); /* R */
- VEC4_SUB(quadColor[1], source[1], dest[1]); /* G */
- VEC4_SUB(quadColor[2], source[2], dest[2]); /* B */
- break;
- case PIPE_BLEND_REVERSE_SUBTRACT:
- VEC4_SUB(quadColor[0], dest[0], source[0]); /* R */
- VEC4_SUB(quadColor[1], dest[1], source[1]); /* G */
- VEC4_SUB(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(quadColor[3], source[3], dest[3]); /* A */
- break;
- case PIPE_BLEND_SUBTRACT:
- VEC4_SUB(quadColor[3], source[3], dest[3]); /* A */
- break;
- case PIPE_BLEND_REVERSE_SUBTRACT:
- VEC4_SUB(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);
- }
-
+
+ } /* cbuf loop */
+
/* pass blended quad to next stage */
qs->next->run(qs->next, quad);
}
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