[Mesa-dev] [PATCH] i965: Add defines for gather push constants

[Abdiel Janulgue]

v2 (Francisco Jerez):
   - Rename HSW_GATHER_CONSTANTS_RESERVED to HSW_GATHER_POOL_ALLOC_MUST_BE_ONE.
   - Rename BRW_GATHER_* prefix to HSW_GATHER_CONSTANTS_*.

Signed-off-by: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
---
 src/mesa/drivers/dri/i965/brw_defines.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index a511d5c..f997cf9 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -2565,6 +2565,25 @@ enum brw_wm_barycentric_interp_mode {
 #define _3DSTATE_CONSTANT_HS                  0x7819 /* GEN7+ */
 #define _3DSTATE_CONSTANT_DS                  0x781A /* GEN7+ */
 
+/* Resource streamer gather constants */
+#define HSW_GATHER_POOL_ALLOC_MUST_BE_ONE     (3 << 4) /* GEN7.5 only */
+#define _3DSTATE_GATHER_POOL_ALLOC            0x791A /* GEN7.5+ */
+#define _3DSTATE_GATHER_CONSTANT_VS           0x7834
+#define _3DSTATE_GATHER_CONSTANT_GS           0x7835
+#define _3DSTATE_GATHER_CONSTANT_HS           0x7836
+#define _3DSTATE_GATHER_CONSTANT_DS           0x7837
+#define _3DSTATE_GATHER_CONSTANT_PS           0x7838
+
+#define HSW_GATHER_CONSTANTS_ENABLE           (1 << 11) /* GEN7.5+ */
+#define HSW_GATHER_CONSTANTS_BUFFER_VALID_SHIFT         16
+#define HSW_GATHER_CONSTANTS_BUFFER_VALID_MASK          INTEL_MASK(31, 16)
+#define HSW_GATHER_CONSTANTS_BINDING_TABLE_BLOCK_SHIFT  12
+#define HSW_GATHER_CONSTANTS_BINDING_TABLE_BLOCK_MASK   INTEL_MASK(15, 12)
+#define HSW_GATHER_CONSTANTS_CONST_BUFFER_OFFSET_SHIFT  8
+#define HSW_GATHER_CONSTANTS_CONST_BUFFER_OFFSET_MASK   INTEL_MASK(15, 8)
+#define HSW_GATHER_CONSTANTS_CHANNEL_MASK_SHIFT         4
+#define HSW_GATHER_CONSTANTS_CHANNEL_MASK_MASK          INTEL_MASK(7, 4)
+
 #define _3DSTATE_STREAMOUT                    0x781e /* GEN7+ */
 /* DW1 */
 # define SO_FUNCTION_ENABLE				(1 << 31)
-- 
1.9.1