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softpipe: add support for color writes all color bufs property

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This commit is contained in:
Dave Airlie 2010-12-18 10:36:31 +10:00
parent c9c8a5ed02
commit 2f4860f2ab
3 changed files with 14 additions and 4 deletions
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14
src/gallium/drivers/softpipe/sp_quad_blend.c
View file

@ -35,6 +35,7 @@
#include "util/u_memory.h"
#include "util/u_format.h"
#include "sp_context.h"
#include "sp_state.h"
#include "sp_quad.h"
#include "sp_tile_cache.h"
#include "sp_quad_pipe.h"
@ -794,6 +795,9 @@ blend_fallback(struct quad_stage *qs,
struct softpipe_context *softpipe = qs->softpipe;
const struct pipe_blend_state *blend = softpipe->blend;
unsigned cbuf;
boolean write_all;
write_all = softpipe->fs->color0_writes_all_cbufs;
for (cbuf = 0; cbuf < softpipe->framebuffer.nr_cbufs; cbuf++)
{
@ -806,15 +810,19 @@ 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;
uint q, i, j, qbuf;
qbuf = write_all ? 0 : cbuf;
for (q = 0; q < nr; q++) {
struct quad_header *quad = quads[q];
float (*quadColor)[4] = quad->output.color[cbuf];
float (*quadColor)[4];
const int itx = (quad->input.x0 & (TILE_SIZE-1));
const int ity = (quad->input.y0 & (TILE_SIZE-1));
/* get/swizzle dest colors
quadColor = quad->output.color[qbuf];
/* get/swizzle dest colors
*/
for (j = 0; j < QUAD_SIZE; j++) {
int x = itx + (j & 1);

2
src/gallium/drivers/softpipe/sp_state.h
View file

@ -74,7 +74,7 @@ struct sp_fragment_shader {
boolean origin_lower_left; /**< fragment shader uses lower left position origin? */
boolean pixel_center_integer; /**< fragment shader uses integer pixel center? */
boolean color0_writes_all_cbufs; /**< fragment shader writes color0 to all bound cbufs */
void (*prepare)( const struct sp_fragment_shader *shader,
struct tgsi_exec_machine *machine,
struct tgsi_sampler **samplers);

2
src/gallium/drivers/softpipe/sp_state_shader.c
View file

@ -78,6 +78,8 @@ softpipe_create_fs_state(struct pipe_context *pipe,
state->origin_lower_left = state->info.properties[i].data[0];
else if (state->info.properties[i].name == TGSI_PROPERTY_FS_COORD_PIXEL_CENTER)
state->pixel_center_integer = state->info.properties[i].data[0];
else if (state->info.properties[i].name == TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS)
state->color0_writes_all_cbufs = state->info.properties[i].data[0];
}
return state;