mesa: fix error handling for glPixelZoom

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@linux.intel.com> Signed-off-by: Brian Paul <brianp@vmware.com>
2011-09-19 15:03:03 +08:00
parent 6a98802243
commit 7a9a8bbabd
1 changed files with 2 additions and 0 deletions
@@ -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;