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sna/gen8: Override the URB output from the VS 

Using the override seems to be marginally faster.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-10-22 19:40:14 +01:00
parent 7a9bdadd71
commit dee9ea2991
1 changed files with 2 additions and 0 deletions
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2
src/sna/gen8_render.c
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@ -922,6 +922,8 @@ gen8_emit_sf(struct sna *sna, bool has_mask)
OUT_BATCH(GEN8_3DSTATE_SBE | (4 - 2));
OUT_BATCH(num_sf_outputs << SBE_NUM_OUTPUTS_SHIFT |
SBE_FORCE_VERTEX_URB_READ_LENGTH | /* forced is faster */
SBE_FORCE_VERTEX_URB_READ_OFFSET |
1 << SBE_URB_ENTRY_READ_LENGTH_SHIFT |
1 << SBE_URB_ENTRY_READ_OFFSET_SHIFT);
OUT_BATCH(0);