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i965: Tidy preprocessor macros for SO_PRIM_STORAGE_NEEDED registers.

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Gen7+ supports four transform feedback streams.  Using a function-like
macro makes it easy to access them by stream number or loop over them.
"GEN7_" prefixes are more common than "_IVB" suffixes, so use that.

Gen6 only supports a single stream, so the single #define should be
fine.  However, SO_NUM_PRIM_STORAGE_NEEDED was a poor name.  For one,
the word "NUM" doesn't appear in the actual name of the register.
It's also confusingly generic, as it doesn't exist on Gen7+.  Add a
"GEN6_" prefix for clarity.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
This commit is contained in:
Kenneth Graunke
2013-08-01 15:11:38 -07:00
parent 8c27f13cd9
commit 263ebe1a71
1 changed files with 2 additions and 5 deletions
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src/mesa/drivers/dri/i965/intel_reg.h
+2 -5
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@@ -109,11 +109,8 @@
#define PS_INVOCATION_COUNT 0x2348
#define PS_DEPTH_COUNT 0x2350
#define SO_NUM_PRIM_STORAGE_NEEDED 0x2280
#define SO_PRIM_STORAGE_NEEDED0_IVB 0x5240
#define SO_PRIM_STORAGE_NEEDED1_IVB 0x5248
#define SO_PRIM_STORAGE_NEEDED2_IVB 0x5250
#define SO_PRIM_STORAGE_NEEDED3_IVB 0x5258
#define GEN6_SO_PRIM_STORAGE_NEEDED 0x2280
#define GEN7_SO_PRIM_STORAGE_NEEDED(n) (0x5240 + (n) * 8)
#define GEN6_SO_NUM_PRIMS_WRITTEN 0x2288
#define GEN7_SO_NUM_PRIMS_WRITTEN(n) (0x5200 + (n) * 8)