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i965: Request lowering gl_VertexID

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Fixes the (new) piglit tests gles-3.0-drawarrays-vertexid,
gl-3.0-multidrawarrays-vertexid, and gl-3.2-basevertex-vertexid.

Fixes gles3conform failure in:

ES3-CTS.gtf.GL3Tests.transform_feedback.transform_feedback_vertex_id

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80247
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Ian Romanick
2014-06-20 16:26:35 -07:00
committed by Kenneth Graunke
parent fbb353bc13
commit 927f5db461
1 changed files with 1 additions and 0 deletions
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src/mesa/drivers/dri/i965/brw_context.c
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@@ -483,6 +483,7 @@ brw_initialize_context_constants(struct brw_context *brw)
ctx->Const.QuadsFollowProvokingVertexConvention = false;
ctx->Const.NativeIntegers = true;
ctx->Const.VertexID_is_zero_based = true;
/* Regarding the CMP instruction, the Ivybridge PRM says:
*