[Mesa-dev] [PATCH 3/4] anv: workaround border colors gen7/gen75

[Lionel Landwerlin]

This replicates the following commit from our GL driver :

commit c25e5300cba7628b58df93ead14ebc3cc32f338c
Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Fri Jan 20 03:33:40 2012 -0800

    i965: Fix border color on Sandybridge and Ivybridge.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
---
 src/intel/vulkan/genX_cmd_buffer.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index 24e0012..5ea7c5f 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -105,6 +105,15 @@ genX(cmd_buffer_emit_state_base_address)(struct anv_cmd_buffer *cmd_buffer)
       sba.IndirectObjectBufferSizeModifyEnable  = true;
       sba.InstructionBufferSize                 = 0xfffff;
       sba.InstructionBuffersizeModifyEnable     = true;
+#  else
+      /* Dynamic state upper bound. Although the documentation says that
+       * programming it to zero will cause it to be ignored, that is a lie. If
+       * this isn't programmed to a real bound, the sampler border color
+       * pointer is rejected, causing border color to mysteriously fail.
+       */
+      sba.DynamicStateAccessUpperBound =
+         (struct anv_address) { NULL, 0xfffff000 };
+      sba.DynamicStateAccessUpperBoundModifyEnable = true;
 #  endif
    }
 
-- 
2.9.3