r600: document some of the missing shader constants.

These are used for fragment shader thread calculations.

Reviewed-by: Glenn Kennard <glenn.kennard@gmail.com>

diff --git a/src/gallium/drivers/r600/r600_sq.h b/src/gallium/drivers/r600/r600_sq.h
index 3526668..aa38381 100644 (file)
--- a/src/gallium/drivers/r600/r600_sq.h
+++ b/src/gallium/drivers/r600/r600_sq.h
@@ -197,6 +197,10 @@
 #define     EG_V_SQ_ALU_SRC_LDS_DIRECT_A                             0x000000DF
 #define     EG_V_SQ_ALU_SRC_LDS_DIRECT_B                             0x000000E0
 
+#define     EG_V_SQ_ALU_SRC_HW_WAVE_ID                               0x000000E7
+#define     EG_V_SQ_ALU_SRC_SIMD_ID                                  0x000000E8
+#define     EG_V_SQ_ALU_SRC_SE_ID                                    0x000000E9
+
 #define     V_SQ_ALU_SRC_0                                           0x000000F8
 #define     V_SQ_ALU_SRC_1                                           0x000000F9
 #define     V_SQ_ALU_SRC_1_INT                                       0x000000FA