On 05/09/2013 04:48 PM, Chad Versace wrote:
Tested-by: Matt Turner <matts...@gmail.com>
Signed-off-by: Chad Versace <chad.vers...@linux.intel.com>
---
  src/mesa/drivers/dri/i965/brw_defines.h | 20 ++++++++++++++++++++
  1 file changed, 20 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h 
b/src/mesa/drivers/dri/i965/brw_defines.h
index 6517f24..f574cb7 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -503,6 +503,8 @@
  #define BRW_SURFACE_Y_OFFSET_MASK             INTEL_MASK(23, 20)
  #define GEN7_SURFACE_MIN_LOD_SHIFT              4
  #define GEN7_SURFACE_MIN_LOD_MASK               INTEL_MASK(7, 4)
+#define GEN7_SURFACE_MOCS_SHIFT                 16
+#define GEN7_SURFACE_MOCS_MASK                  INTEL_MASK(19, 16)

  /* Surface state DW6 */
  #define GEN7_SURFACE_MCS_ENABLE                 (1 << 0)
@@ -1660,6 +1662,24 @@ enum brw_wm_barycentric_interp_mode {
   */
  #define BRW_MAX_NUM_BUFFER_ENTRIES    (1 << 27)

+/* Memory Object Control State, Gen7 */
+/* L3 Cacheability Control */
+#define GEN7_MOCS_L3_UNCACHEABLE                0
+#define GEN7_MOCS_L3_CACHEABLE                  1
+/* LCC Cacheability Control */
+#define GEN7_MOCS_LCC_USE_PTE                   (0 << 1)
+#define GEN7_MOCS_LCC_CACHEABLE                 (1 << 1)
+
+/* Memory Object Control State, Haswell */
+/* L3 Cacheability Control */
+#define HSW_MOCS_L3_UNCACHEABLE                 0
+#define HSW_MOCS_L3_CACHEABLE                   1
+/* LCC Cacheability Control */
+#define HSW_MOCS_LCC_USE_PTE                    (0 << 1)
+#define HSW_MOCS_LCC_UNCACHEABLE                (1 << 1)
+#define HSW_MOCS_LCC_WB_TO_LLC_ELLC             (2 << 1)
+#define HSW_MOCS_LCC_WB_TO_LLC                  (3 << 1)

FWIW, this last #define is wrong. 3 << 1 means write-back caching in eLLC only, but uncached in LLC.

I'm working up a new patch set.
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