cc: Route offscreen context creation for compositor to the browser.

cc/layer_tree_host.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_LAYER_TREE_HOST_H_
 #define CC_LAYER_TREE_HOST_H_
 
 #include <limits>
 
 #include "base/basictypes.h"
@@ skipping 51 matching lines @@
 
     unsigned bestTextureFormat;
     bool usingPartialSwap;
     bool usingAcceleratedPainting;
     bool usingSetVisibility;
     bool usingSwapCompleteCallback;
     bool usingGpuMemoryManager;
     bool usingDiscardBackbuffer;
     bool usingEglImage;
     bool allowPartialTextureUpdates;
+    bool usingOffscreenContext3d;
     int maxTextureSize;
     bool avoidPow2Textures;
 };
 
 class CC_EXPORT LayerTreeHost : public RateLimiterClient {
 public:
     static scoped_ptr<LayerTreeHost> create(LayerTreeHostClient*, const LayerTreeSettings&, scoped_ptr<Thread> implThread);
     virtual ~LayerTreeHost();
 
     void setSurfaceReady();
 
     // Returns true if any LayerTreeHost is alive.
     static bool anyLayerTreeHostInstanceExists();
 
-    static bool needsFilterContext() { return s_needsFilterContext; }
-    static void setNeedsFilterContext(bool needsFilterContext) { s_needsFilterContext = needsFilterContext; }
-    bool needsSharedContext() const { return needsFilterContext() || settings().acceleratePainting; }
+    void setNeedsFilterContext() { m_needsFilterContext = true; }
+    bool needsOffscreenContext() const { return m_needsFilterContext || settings().acceleratePainting; }
 
     // LayerTreeHost interface to Proxy.
     void willBeginFrame() { m_client->willBeginFrame(); }
     void didBeginFrame();
     void updateAnimations(base::TimeTicks monotonicFrameBeginTime);
     void didStopFlinging();
     void layout();
     void beginCommitOnImplThread(LayerTreeHostImpl*);
     void finishCommitOnImplThread(LayerTreeHostImpl*);
     void willCommit();
@@ skipping 127 matching lines @@
     void setPrioritiesForSurfaces(size_t surfaceMemoryBytes);
     void setPrioritiesForLayers(const LayerList&);
     size_t calculateMemoryForRenderSurfaces(const LayerList& updateList);
 
     void animateLayers(base::TimeTicks monotonicTime);
     bool animateLayersRecursive(Layer* current, base::TimeTicks time);
     void setAnimationEventsRecursive(const AnimationEventsVector&, Layer*, base::Time wallClockTime);
 
     bool m_animating;
     bool m_needsFullTreeSync;
+    bool m_needsFilterContext;
 
     base::CancelableClosure m_prepaintCallback;
 
     LayerTreeHostClient* m_client;
     scoped_ptr<Proxy> m_proxy;
 
     int m_commitNumber;
     RenderingStats m_renderingStats;
 
     bool m_rendererInitialized;
@@ skipping 24 matching lines @@
     bool m_triggerIdleUpdates;
 
     SkColor m_backgroundColor;
     bool m_hasTransparentBackground;
 
     typedef ScopedPtrVector<PrioritizedResource> TextureList;
     size_t m_partialTextureUpdateRequests;
 
     scoped_ptr<AnimationRegistrar> m_animationRegistrar;
 
-    static bool s_needsFilterContext;
-
     DISALLOW_COPY_AND_ASSIGN(LayerTreeHost);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYER_TREE_HOST_H_