[PATCH 1/4] gl: ignore if mask has not bitmap

[Marc-André Lureau <marcandre.lureau@xxxxxxxxx>]

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;
     }
-- 
1.8.3.1

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