From 370ba35339b98cb5f74ee529b42dc3364bdb37df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@gmail.com>
Date: Mon, 23 Sep 2013 22:16:08 +0200
Subject: [PATCH] gl: ignore if mask has not bitmap

Similar to how sw canvas ignore mask if !bitmap in canvas_mask_pixman().
---
 common/gl_canvas.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/common/gl_canvas.c b/common/gl_canvas.c
index 2adc986..0736a08 100644
--- a/common/gl_canvas.c
+++ b/common/gl_canvas.c
@@ -207,7 +207,8 @@ static void set_mask(GLCanvas *canvas, SpiceQMask *mask, int x, int y)
 {
     pixman_image_t *image;
 
-    if (!(image = canvas_get_mask(&canvas->base, mask, NULL))) {
+    if (!mask->bitmap ||
+        !(image = canvas_get_mask(&canvas->base, mask, NULL))) {
         glc_clear_mask(canvas->glc, GLC_MASK_A);
         return;
     }