KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

i965: Disable binding table pointers for unused pipeline stages. 

This may not be necessary, but it seems like a good idea.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2011-04-20 18:23:38 -07:00
parent 706dbf85f1
commit a94fe79464
2 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/mesa/drivers/dri/i965/brw_defines.h
View File

@ -833,6 +833,8 @@
# define GEN6_BINDING_TABLE_MODIFY_PS (1 << 12)
#define _3DSTATE_BINDING_TABLE_POINTERS_VS 0x7826 /* GEN7+ */
#define _3DSTATE_BINDING_TABLE_POINTERS_HS 0x7827 /* GEN7+ */
#define _3DSTATE_BINDING_TABLE_POINTERS_DS 0x7828 /* GEN7+ */
#define _3DSTATE_BINDING_TABLE_POINTERS_GS 0x7829 /* GEN7+ */
#define _3DSTATE_BINDING_TABLE_POINTERS_PS 0x782A /* GEN7+ */

15
src/mesa/drivers/dri/i965/gen7_disable.c
View File

@ -59,6 +59,11 @@ disable_stages(struct brw_context *brw)
OUT_BATCH(0);
ADVANCE_BATCH();
BEGIN_BATCH(2);
OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_GS << 16 | (2 - 2));
OUT_BATCH(0);
ADVANCE_BATCH();
/* Disable the HS Unit */
BEGIN_BATCH(7);
OUT_BATCH(_3DSTATE_CONSTANT_HS << 16 | (7 - 2));
@ -80,6 +85,11 @@ disable_stages(struct brw_context *brw)
OUT_BATCH(0);
ADVANCE_BATCH();
BEGIN_BATCH(2);
OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_HS << 16 | (2 - 2));
OUT_BATCH(0);
ADVANCE_BATCH();
/* Disable the TE */
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
@ -108,6 +118,11 @@ disable_stages(struct brw_context *brw)
OUT_BATCH(0);
ADVANCE_BATCH();
BEGIN_BATCH(2);
OUT_BATCH(_3DSTATE_BINDING_TABLE_POINTERS_DS << 16 | (2 - 2));
OUT_BATCH(0);
ADVANCE_BATCH();
/* Disable the SOL stage */
BEGIN_BATCH(3);
OUT_BATCH(_3DSTATE_STREAMOUT << 16 | (3 - 2));