[Mesa-dev] [PATCH 13/13] i965: Request lowering gl_VertexID

[Kenneth Graunke]

From: Ian Romanick <ian.d.romanick at intel.com>

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 at intel.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/drivers/dri/i965/brw_context.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 52f2557..d309c5b 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -458,6 +458,7 @@ brw_initialize_context_constants(struct brw_context *brw)
 
    ctx->Const.NativeIntegers = true;
    ctx->Const.UniformBooleanTrue = 1;
+   ctx->Const.VertexID_is_zero_based = true;
 
    /* From the gen4 PRM, volume 4 page 127:
     *
-- 
2.0.2