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freedreno/a4xx: add independent blend function support 

needed for MRT

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2015-08-01 16:17:49 -04:00
parent 054526e49a
commit d6d7515bec
2 changed files with 10 additions and 8 deletions
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12
src/gallium/drivers/freedreno/a4xx/fd4_blend.c
View File

@ -84,11 +84,6 @@ fd4_blend_state_create(struct pipe_context *pctx,
}
}
if (cso->independent_blend_enable) {
DBG("Unsupported! independent blend state");
return NULL;
}
so = CALLOC_STRUCT(fd4_blend_stateobj);
if (!so)
return NULL;
@ -96,7 +91,12 @@ fd4_blend_state_create(struct pipe_context *pctx,
so->base = *cso;
for (i = 0; i < ARRAY_SIZE(so->rb_mrt); i++) {
const struct pipe_rt_blend_state *rt = &cso->rt[i];
const struct pipe_rt_blend_state *rt;
if (cso->independent_blend_enable)
rt = &cso->rt[i];
else
rt = &cso->rt[0];
so->rb_mrt[i].blend_control =
A4XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(rt->rgb_src_factor)) |

6
src/gallium/drivers/freedreno/freedreno_screen.c
View File

@ -178,11 +178,13 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
return is_a3xx(screen) || is_a4xx(screen);
case PIPE_CAP_INDEP_BLEND_ENABLE:
case PIPE_CAP_INDEP_BLEND_FUNC:
case PIPE_CAP_DEPTH_CLIP_DISABLE:
return is_a3xx(screen);
case PIPE_CAP_INDEP_BLEND_ENABLE:
case PIPE_CAP_INDEP_BLEND_FUNC:
return is_a3xx(screen) || is_a4xx(screen);
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
return 256;