From: Kenneth Graunke Date: Mon, 27 Feb 2012 19:43:10 +0000 (-0800) Subject: i965: Disable PrimitiveID upload. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c59bdee12ebc14fb97e33b8ef9df666422dafba5;p=mesa.git 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 Reviewed-by: Eric Anholt --- 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) {