[Beignet] [PATCH] BDW: Also need set Shader Channel Select for constant buffer in BDW.

[Yang Rong]

Signed-off-by: Yang Rong <rong.r.yang at intel.com>
---
 src/intel/intel_gpgpu.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/intel/intel_gpgpu.c b/src/intel/intel_gpgpu.c
index 259882a..167d8d9 100644
--- a/src/intel/intel_gpgpu.c
+++ b/src/intel/intel_gpgpu.c
@@ -907,6 +907,12 @@ intel_gpgpu_setup_bti_gen8(intel_gpgpu_t *gpgpu, drm_intel_bo *buf, uint32_t int
   memset(ss0, 0, sizeof(gen8_surface_state_t));
   ss0->ss0.surface_type = I965_SURFACE_BUFFER;
   ss0->ss0.surface_format = format;
+  if(format != I965_SURFACEFORMAT_RAW) {
+    ss0->ss7.shader_channel_select_red = I965_SURCHAN_SELECT_RED;
+    ss0->ss7.shader_channel_select_green = I965_SURCHAN_SELECT_GREEN;
+    ss0->ss7.shader_channel_select_blue = I965_SURCHAN_SELECT_BLUE;
+    ss0->ss7.shader_channel_select_alpha = I965_SURCHAN_SELECT_ALPHA;
+  }
   ss0->ss2.width  = s & 0x7f;   /* bits 6:0 of sz */
   assert(ss0->ss2.width & 0x03);
   ss0->ss2.height = (s >> 7) & 0x3fff; /* bits 20:7 of sz */
-- 
1.9.1