From b98c8c126989e1158c3f78d8e5f20834a2af10b2 Mon Sep 17 00:00:00 2001
From: Martin Robinson <mrobinson@igalia.com>
Date: Thu, 15 Dec 2011 10:48:16 -0800
Subject: [PATCH] gl/msaa: If stenciling the clip fails, reset the color mask.

If the clip failed, not resetting the color mask leaves the GL context
in a state in which we cannot draw anything.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/cairo-gl-msaa-compositor.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/cairo-gl-msaa-compositor.c b/src/cairo-gl-msaa-compositor.c
index 81b8277a4..bfd23d48b 100644
--- a/src/cairo-gl-msaa-compositor.c
+++ b/src/cairo-gl-msaa-compositor.c
@@ -189,6 +189,7 @@ _draw_clip_to_stencil_buffer (cairo_gl_context_t	*ctx,
 
     status = _draw_clip (ctx, setup, clip);
     if (unlikely (status)) {
+	glColorMask (1, 1, 1, 1);
 	_disable_stencil_buffer ();
 	return status;
     }