[Mesa-dev] [PATCH 7/8] mesa: fix error handling for glPixelZoom

[Yuanhan Liu]

According the man page, GL_INVALID_OPERATION should generated if
glPixelZoom is executed between the execution of glBegin and the
corresponding execution of glEnd.

Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
---
 src/mesa/main/pixel.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index 7757462..c87f5e0 100644
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -52,6 +52,8 @@ _mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor )
 {
    GET_CURRENT_CONTEXT(ctx);
 
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
    if (ctx->Pixel.ZoomX == xfactor &&
        ctx->Pixel.ZoomY == yfactor)
       return;
-- 
1.7.4.4