Bug 668344: Deal with missing Direct2D device in Azure. r=jrmuizel

2012-02-07 06:14:21 +01:00
parent 40491e71d7
commit e9309a6dcd
3 changed files with 15 additions and 0 deletions
--- a/gfx/layers/basic/BasicLayers.cpp
+++ b/gfx/layers/basic/BasicLayers.cpp
@@ -1202,6 +1202,11 @@ BasicCanvasLayer::PaintWithOpacity(gfxContext* aContext,
  NS_ASSERTION(BasicManager()->InDrawing(),
               "Can only draw in drawing phase");

+  if (!mSurface) {
+    NS_WARNING("No valid surface to draw!");
+    return;
+  }
+
  nsRefPtr<gfxPattern> pat = new gfxPattern(mSurface);

  pat->SetFilter(mFilter);