Bug 1478754 - WebGL crash when webgl.enable-surface-texture is enabled on Android; r=jgilbert,rbarker

MozReview-Commit-ID: GBTvZiLspvP
2018-07-28 12:33:55 +02:00
parent a0071ab711
commit a8c39f6eea
4 changed files with 16 additions and 0 deletions
--- a/gfx/layers/client/CanvasClient.cpp
+++ b/gfx/layers/client/CanvasClient.cpp
@@ -429,6 +429,11 @@ CanvasClientSharedSurface::UpdateRenderer(gfx::IntSize aSize, Renderer& aRendere

  SharedSurface* surf = mShSurfClient->Surf();

+  if (!surf->IsBufferAvailable()) {
+    NS_WARNING("SharedSurface buffer not available, skip update");
+    return;
+  }
+  
  // Readback if needed.
  mReadbackClient = nullptr;