From 6a9880224368a016dfb1a9f5b5dfa9284a7dc6cf Mon Sep 17 00:00:00 2001
From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Date: Mon, 19 Sep 2011 15:03:01 +0800
Subject: [PATCH] mesa: fix error handling for glIsEnabled

According the man page, GL_INVALID_OPERATION should be generated if
glIsEnabled is executed betwwen the execution of glBegin and the
correspoding execution of glEnd.

Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Brian Paul <brianp@vmware.com>
---
 src/mesa/main/enable.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 4bf1809..2d857c1 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -1072,6 +1072,8 @@ GLboolean GLAPIENTRY
 _mesa_IsEnabled( GLenum cap )
 {
    GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+
    switch (cap) {
       case GL_ALPHA_TEST:
          return ctx->Color.AlphaEnabled;
-- 
2.7.4