Module: Mesa
Branch: master
Commit: f866446e8c4c77cfe0f1f78929ff22ba1d4ae4aa
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=f866446e8c4c77cfe0f1f78929ff22ba1d4ae4aa

Author: Ilia Mirkin <[email protected]>
Date:   Sat Nov 29 02:10:15 2014 -0500

freedreno/a3xx: disable blending for integer formats

Also add support for the BLENDABLE bind flag, similarly predicated on
non-int formats.

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

---

 src/gallium/drivers/freedreno/a3xx/fd3_emit.c   |   11 ++++++++++-
 src/gallium/drivers/freedreno/a3xx/fd3_screen.c |    5 ++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_emit.c 
b/src/gallium/drivers/freedreno/a3xx/fd3_emit.c
index 64b1c32..44f8ac4 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_emit.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_emit.c
@@ -573,9 +573,18 @@ fd3_emit_state(struct fd_context *ctx, struct 
fd_ringbuffer *ring,
                for (i = 0; i < ARRAY_SIZE(blend->rb_mrt); i++) {
                        bool is_float = util_format_is_float(
                                        
pipe_surface_format(ctx->framebuffer.cbufs[i]));
+                       bool is_int = util_format_is_pure_integer(
+                                       
pipe_surface_format(ctx->framebuffer.cbufs[i]));
+                       uint32_t control = blend->rb_mrt[i].control;
+
+                       if (is_int) {
+                               control &= 
(A3XX_RB_MRT_CONTROL_COMPONENT_ENABLE__MASK |
+                                                       
A3XX_RB_MRT_CONTROL_DITHER_MODE__MASK);
+                               control |= 
A3XX_RB_MRT_CONTROL_ROP_CODE(ROP_COPY);
+                       }
 
                        OUT_PKT0(ring, REG_A3XX_RB_MRT_CONTROL(i), 1);
-                       OUT_RING(ring, blend->rb_mrt[i].control);
+                       OUT_RING(ring, control);
 
                        OUT_PKT0(ring, REG_A3XX_RB_MRT_BLEND_CONTROL(i), 1);
                        OUT_RING(ring, blend->rb_mrt[i].blend_control |
diff --git a/src/gallium/drivers/freedreno/a3xx/fd3_screen.c 
b/src/gallium/drivers/freedreno/a3xx/fd3_screen.c
index 3871660..5fc63e8 100644
--- a/src/gallium/drivers/freedreno/a3xx/fd3_screen.c
+++ b/src/gallium/drivers/freedreno/a3xx/fd3_screen.c
@@ -63,13 +63,16 @@ fd3_screen_is_format_supported(struct pipe_screen *pscreen,
        if ((usage & (PIPE_BIND_RENDER_TARGET |
                                PIPE_BIND_DISPLAY_TARGET |
                                PIPE_BIND_SCANOUT |
-                               PIPE_BIND_SHARED)) &&
+                               PIPE_BIND_SHARED |
+                               PIPE_BIND_BLENDABLE)) &&
                        (fd3_pipe2color(format) != ~0) &&
                        (fd3_pipe2tex(format) != ~0)) {
                retval |= usage & (PIPE_BIND_RENDER_TARGET |
                                PIPE_BIND_DISPLAY_TARGET |
                                PIPE_BIND_SCANOUT |
                                PIPE_BIND_SHARED);
+               if (!util_format_is_pure_integer(format))
+                       retval |= usage & PIPE_BIND_BLENDABLE;
        }
 
        if ((usage & PIPE_BIND_DEPTH_STENCIL) &&

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