From: Corbin Simpson <mostawesomed...@gmail.com>
Date: Wed, 10 Feb 2010 18:39:18 +0000 (-0800)
Subject: mesa/st: Gallium quads, by spec, never change provoking vertex.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dd8f5c33f3a54212a0d7d072cd75b321f5abcda8;p=mesa.git

mesa/st: Gallium quads, by spec, never change provoking vertex.

Fixes glean/clipFlat for r300g.
---

diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 79be833768f..e03dd30f0f5 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -137,6 +137,9 @@ void st_init_limits(struct st_context *st)
    /* XXX separate query for early function return? */
    st->ctx->Shader.EmitContReturn =
       screen->get_param(screen, PIPE_CAP_TGSI_CONT_SUPPORTED);
+
+   /* Quads always follow GL provoking rules. */
+   c->QuadsFollowProvokingVertexConvention = GL_FALSE;
 }