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i965/gen7: Don't emit 3DSTATE_GS_SVB_INDEX on Ivybridge.

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According to vol2a.07, it only applies from Cantiga to Sandybridge.

I found this in my ringbuffers while investigating various GPU hangs.
While it may not have been the cause, it seemed wise to remove it.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2011-06-06 10:35:58 -07:00
parent 626440add5
commit 2a63807616
1 changed files with 9 additions and 7 deletions
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16
src/mesa/drivers/dri/i965/brw_misc_state.c
View file

@ -606,13 +606,15 @@ static void upload_invarient_state( struct brw_context *brw )
OUT_BATCH(1);
ADVANCE_BATCH();
for (i = 0; i < 4; i++) {
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_GS_SVB_INDEX << 16 | (4 - 2));
OUT_BATCH(i << SVB_INDEX_SHIFT);
OUT_BATCH(0);
OUT_BATCH(0xffffffff);
ADVANCE_BATCH();
if (intel->gen < 7) {
for (i = 0; i < 4; i++) {
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_GS_SVB_INDEX << 16 | (4 - 2));
OUT_BATCH(i << SVB_INDEX_SHIFT);
OUT_BATCH(0);
OUT_BATCH(0xffffffff);
ADVANCE_BATCH();
}
}
}