[Mesa-dev] [PATCH] i965: Do not store SRC after 0 on component control.

[Rafael Antognolli]

The PRM SKL-Vol 2b-05.16 says:

   "Within a VERTEX_ELEMENT_STATE structure, if a Component Control
   field is set to something other than VFCOMP_STORE_SRC, no
   higher-numbered Component Control fields may be set to
   VFCOMP_STORE_SRC. In other words, only trailing components can be set
   to something other than VFCOMP_STORE_SRC."

Since we set the component 1 to VFCOMP_STORE_0 on gen8+, and
VFCOMP_STORE_IID on gen5+, and we are not using components 2 and 3,
let's also set them to VFCOMP_STORE_0.

Signed-off-by: Rafael Antognolli <rafael.antognolli at intel.com>
---
 src/intel/blorp/blorp_genX_exec.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/intel/blorp/blorp_genX_exec.h b/src/intel/blorp/blorp_genX_exec.h
index 93534169ef..524736fbc0 100644
--- a/src/intel/blorp/blorp_genX_exec.h
+++ b/src/intel/blorp/blorp_genX_exec.h
@@ -395,8 +395,8 @@ blorp_emit_vertex_elements(struct blorp_batch *batch,
 #else
       .Component1Control = VFCOMP_STORE_0,
 #endif
-      .Component2Control = VFCOMP_STORE_SRC,
-      .Component3Control = VFCOMP_STORE_SRC,
+      .Component2Control = VFCOMP_STORE_0,
+      .Component3Control = VFCOMP_STORE_0,
 #if GEN_GEN <= 5
       .DestinationElementOffset = slot * 4,
 #endif
-- 
2.13.5