Module: Mesa
Branch: master
Commit: f27ec5908416e6a3ea3d770026cd6a1c6ded188f
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=f27ec5908416e6a3ea3d770026cd6a1c6ded188f

Author: Ilia Mirkin <[email protected]>
Date:   Sun Mar 29 20:04:38 2015 -0400

freedreno/a3xx: add independent blend function support

This is needed for MRT support

Signed-off-by: Ilia Mirkin <[email protected]>

---

 src/gallium/drivers/freedreno/a3xx/fd3_blend.c   |   11 +++++------
 src/gallium/drivers/freedreno/freedreno_screen.c |    6 ++++--
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_blend.c 
b/src/gallium/drivers/freedreno/a3xx/fd3_blend.c
index 9229556..6f5de9d 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_blend.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_blend.c
@@ -86,11 +86,6 @@ fd3_blend_state_create(struct pipe_context *pctx,
                }
        }
 
-       if (cso->independent_blend_enable) {
-               DBG("Unsupported! independent blend state");
-               return NULL;
-       }
-
        so = CALLOC_STRUCT(fd3_blend_stateobj);
        if (!so)
                return NULL;
@@ -98,7 +93,11 @@ fd3_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_rgb =
                                
A3XX_RB_MRT_BLEND_CONTROL_RGB_SRC_FACTOR(fd_blend_factor(rt->rgb_src_factor)) |
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c 
b/src/gallium/drivers/freedreno/freedreno_screen.c
index 68c8105..bb48802 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -179,6 +179,10 @@ 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:
+               return is_a3xx(screen);
+
        case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
                return 256;
 
@@ -188,8 +192,6 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum 
pipe_cap param)
                return (is_a3xx(screen) || is_a4xx(screen)) ? 130 : 120;
 
        /* Unsupported features. */
-       case PIPE_CAP_INDEP_BLEND_ENABLE:
-       case PIPE_CAP_INDEP_BLEND_FUNC:
        case PIPE_CAP_DEPTH_CLIP_DISABLE:
        case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:

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