Bug 1232231 - BorrowDrawTarget can return nullptr - be ready for it. r=nical

2016-01-04 09:50:00 -05:00
parent 1b2d06e8a5
commit 459a567a61
2 changed files with 14 additions and 3 deletions
--- a/gfx/layers/TextureWrapperImage.cpp
+++ b/gfx/layers/TextureWrapperImage.cpp
@@ -40,7 +40,12 @@ TextureWrapperImage::GetAsSourceSurface()
    return nullptr;
  }

-  return mTextureClient->BorrowDrawTarget()->Snapshot();
+  RefPtr<DrawTarget> dt = mTextureClient->BorrowDrawTarget();
+  if (!dt) {
+    return nullptr;
+  }
+
+  return dt->Snapshot();
 }

 TextureClient*