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-rw-r--r--src/gallium/drivers/softpipe/sp_quad_blend.c168
1 files changed, 108 insertions, 60 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad_blend.c b/src/gallium/drivers/softpipe/sp_quad_blend.c
index ead489393ef..00187febf0c 100644
--- a/src/gallium/drivers/softpipe/sp_quad_blend.c
+++ b/src/gallium/drivers/softpipe/sp_quad_blend.c
@@ -33,6 +33,7 @@
#include "pipe/p_defines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
+#include "util/u_format.h"
#include "sp_context.h"
#include "sp_quad.h"
#include "sp_tile_cache.h"
@@ -224,7 +225,8 @@ static void
blend_quad(struct quad_stage *qs,
float (*quadColor)[4],
float (*dest)[4],
- unsigned cbuf)
+ unsigned cbuf,
+ boolean has_dst_alpha)
{
static const float zero[4] = { 0, 0, 0, 0 };
static const float one[4] = { 1, 1, 1, 1 };
@@ -259,24 +261,34 @@ blend_quad(struct quad_stage *qs,
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;
+ if (has_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 */
+ }
+ else {
+ 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_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;
+ if (has_dst_alpha) {
+ 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 */
+ }
+ else {
+ VEC4_COPY(source[0], zero); /* R */
+ VEC4_COPY(source[1], zero); /* G */
+ VEC4_COPY(source[2], zero); /* B */
+ }
+ break;
case PIPE_BLENDFACTOR_CONST_COLOR:
{
float comp[4];
@@ -329,14 +341,19 @@ blend_quad(struct quad_stage *qs,
}
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;
+ if (has_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 */
+ }
+ else {
+ VEC4_COPY(source[0], zero); /* R */
+ VEC4_COPY(source[1], zero); /* G */
+ VEC4_COPY(source[2], zero); /* B */
+ }
+ break;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
{
float inv_comp[4];
@@ -399,7 +416,10 @@ blend_quad(struct quad_stage *qs,
case PIPE_BLENDFACTOR_DST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_DST_ALPHA:
- VEC4_MUL(source[3], quadColor[3], dest[3]); /* A */
+ if (has_dst_alpha)
+ VEC4_MUL(source[3], quadColor[3], dest[3]); /* A */
+ else
+ VEC4_COPY(source[3], quadColor[3]); /* A */
break;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
/* multiply alpha by 1.0 */
@@ -429,12 +449,15 @@ blend_quad(struct quad_stage *qs,
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;
+ if (has_dst_alpha) {
+ float inv_alpha[4];
+ VEC4_SUB(inv_alpha, one, dest[3]);
+ VEC4_MUL(source[3], quadColor[3], inv_alpha); /* A */
+ }
+ else {
+ VEC4_COPY(source[3], zero); /* A */
+ }
+ break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
@@ -468,9 +491,14 @@ blend_quad(struct quad_stage *qs,
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 */
+ if (has_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 */
+ }
+ else {
+ /* dest = dest * 1 NO-OP, leave dest as-is */
+ }
break;
case PIPE_BLENDFACTOR_DST_COLOR:
VEC4_MUL(dest[0], dest[0], dest[0]); /* R */
@@ -478,15 +506,20 @@ blend_quad(struct quad_stage *qs,
VEC4_MUL(dest[2], dest[2], dest[2]); /* 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(dest[0], quadColor[0], temp); /* R */
- VEC4_MUL(dest[1], quadColor[1], temp); /* G */
- VEC4_MUL(dest[2], quadColor[2], temp); /* B */
- }
+ if (has_dst_alpha) {
+ const float *alpha = quadColor[3];
+ float diff[4], temp[4];
+ VEC4_SUB(diff, one, dest[3]);
+ VEC4_MIN(temp, alpha, diff);
+ VEC4_MUL(dest[0], quadColor[0], temp); /* R */
+ VEC4_MUL(dest[1], quadColor[1], temp); /* G */
+ VEC4_MUL(dest[2], quadColor[2], temp); /* B */
+ }
+ else {
+ VEC4_COPY(dest[0], zero); /* R */
+ VEC4_COPY(dest[1], zero); /* G */
+ VEC4_COPY(dest[2], zero); /* B */
+ }
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
{
@@ -539,13 +572,18 @@ blend_quad(struct quad_stage *qs,
}
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 */
- }
+ if (has_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 */
+ }
+ else {
+ VEC4_COPY(dest[0], zero); /* R */
+ VEC4_COPY(dest[1], zero); /* G */
+ VEC4_COPY(dest[2], zero); /* B */
+ }
break;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
{
@@ -605,7 +643,12 @@ blend_quad(struct quad_stage *qs,
case PIPE_BLENDFACTOR_DST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_DST_ALPHA:
- VEC4_MUL(dest[3], dest[3], dest[3]); /* A */
+ if (has_dst_alpha) {
+ VEC4_MUL(dest[3], dest[3], dest[3]); /* A */
+ }
+ else {
+ /* dest = dest * 1 NO-OP, leave dest as-is */
+ }
break;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
/* dest = dest * 1 NO-OP, leave dest as-is */
@@ -634,12 +677,15 @@ blend_quad(struct quad_stage *qs,
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;
+ if (has_dst_alpha) {
+ float inv_comp[4];
+ VEC4_SUB(inv_comp, one, dest[3]); /* A */
+ VEC4_MUL(dest[3], inv_comp, dest[3]); /* A */
+ }
+ else {
+ VEC4_COPY(dest[3], zero); /* A */
+ }
+ break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
@@ -751,6 +797,8 @@ blend_fallback(struct quad_stage *qs,
= sp_get_cached_tile(softpipe->cbuf_cache[cbuf],
quads[0]->input.x0,
quads[0]->input.y0);
+ boolean has_dst_alpha
+ = util_format_has_alpha(softpipe->framebuffer.cbufs[cbuf]->format);
uint q, i, j;
for (q = 0; q < nr; q++) {
@@ -774,7 +822,7 @@ blend_fallback(struct quad_stage *qs,
logicop_quad( qs, quadColor, dest );
}
else if (blend->rt[blend_buf].blend_enable) {
- blend_quad( qs, quadColor, dest, cbuf );
+ blend_quad( qs, quadColor, dest, cbuf, has_dst_alpha );
}
if (blend->rt[blend_buf].colormask != 0xf)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 07:11:50 +0000