diff options
| author | Kenneth Graunke <kenneth@whitecape.org> | 2012-02-27 11:43:10 -0800 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2012-02-29 14:57:26 -0800 |
| commit | c59bdee12ebc14fb97e33b8ef9df666422dafba5 (patch) | |
| tree | a6c5bc5be5551d51bf2a728a8ab20bbd2d71ff87 | |
| parent | e9bcdc2c37501dc6c7dce8960ec74ccb9f8b09e8 (diff) | |
i965: Disable PrimitiveID upload.
We currently don't support gl_PrimitiveID, and I believe asking the
hardware to generate it results in vertex cache invalidations.
This could result in slowdowns for applications that use gl_InstanceID,
which would be counter-productive. Just turn it off for now.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_draw_upload.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c index 331f2a0915e..11b9caaec82 100644 --- a/src/mesa/drivers/dri/i965/brw_draw_upload.c +++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c @@ -731,7 +731,7 @@ static void brw_emit_vertices(struct brw_context *brw) dw1 = ((BRW_VE1_COMPONENT_STORE_VID << BRW_VE1_COMPONENT_0_SHIFT) | (BRW_VE1_COMPONENT_STORE_IID << BRW_VE1_COMPONENT_1_SHIFT) | - (BRW_VE1_COMPONENT_STORE_PID << BRW_VE1_COMPONENT_2_SHIFT) | + (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_2_SHIFT) | (BRW_VE1_COMPONENT_STORE_0 << BRW_VE1_COMPONENT_3_SHIFT)); if (intel->gen >= 6) { |