Mesa (master): mesa: check for no state change in glPrimitiveRestartIndex()

[Brian Paul]

Module: Mesa
Branch: master
Commit: d2003ee7b7b4ab39144904d38167ed1a0d7d266d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=d2003ee7b7b4ab39144904d38167ed1a0d7d266d

Author: Brian Paul <brianp at vmware.com>
Date:   Sun Feb 19 19:50:32 2012 -0700

mesa: check for no state change in glPrimitiveRestartIndex()

Reviewed-by: José Fonseca <jfonseca at vmware.com>

---

 src/mesa/main/varray.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 93f6fcd..39d3a27 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -1100,11 +1100,12 @@ _mesa_PrimitiveRestartIndex(GLuint index)
       return;
    }
 
-   ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
-   FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
 
-   ctx->Array.RestartIndex = index;
+   if (ctx->Array.RestartIndex != index) {
+      FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+      ctx->Array.RestartIndex = index;
+   }
 }