On 07/25/2011 04:39 PM, Eric Anholt wrote:
We have to make it through this loop processing the color multiple
times, so we can't go overwriting it on our first color buffer.
---
src/gallium/drivers/softpipe/sp_quad_blend.c | 16 ++++++++++++----
1 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/src/gallium/drivers/softpipe/sp_quad_blend.c
b/src/gallium/drivers/softpipe/sp_quad_blend.c
index 82f9785..c881194 100644
--- a/src/gallium/drivers/softpipe/sp_quad_blend.c
+++ b/src/gallium/drivers/softpipe/sp_quad_blend.c
@@ -817,17 +817,25 @@ blend_fallback(struct quad_stage *qs,
quads[0]->input.y0);
boolean has_dst_alpha
= util_format_has_alpha(softpipe->framebuffer.cbufs[cbuf]->format);
- uint q, i, j, qbuf;
-
- qbuf = write_all ? 0 : cbuf;
+ uint q, i, j;
for (q = 0; q< nr; q++) {
struct quad_header *quad = quads[q];
float (*quadColor)[4];
+ float temp_quad_color[QUAD_SIZE][4];
const int itx = (quad->input.x0& (TILE_SIZE-1));
const int ity = (quad->input.y0& (TILE_SIZE-1));
- quadColor = quad->output.color[qbuf];
+ if (write_all) {
+ for (j = 0; j< QUAD_SIZE; j++) {
+ for (i = 0; i< 4; i++) {
+ temp_quad_color[i][j] = quad->output.color[0][i][j];
+ }
+ }
I wonder if memcpy(temp_quad_color, quad->output.color[0]) would be
faster. No biggie.
+ quadColor = temp_quad_color;
+ } else {
+ quadColor = quad->output.color[cbuf];
+ }
/* get/swizzle dest colors
*/
Reviewed-by: Brian Paul <bri...@vmware.com>
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/mesa-dev
