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      1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_AURA_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
      6 #define CONTENT_BROWSER_AURA_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
      7 
      8 #include "base/id_map.h"
      9 #include "base/memory/weak_ptr.h"
     10 #include "base/threading/non_thread_safe.h"
     11 #include "cc/output/output_surface.h"
     12 #include "content/common/content_export.h"
     13 
     14 namespace base { class MessageLoopProxy; }
     15 
     16 namespace cc {
     17 class SoftwareOutputDevice;
     18 }
     19 
     20 namespace ui { class Compositor; }
     21 
     22 namespace content {
     23 class ContextProviderCommandBuffer;
     24 class ReflectorImpl;
     25 class WebGraphicsContext3DCommandBufferImpl;
     26 
     27 class CONTENT_EXPORT BrowserCompositorOutputSurface
     28     : public cc::OutputSurface,
     29       public base::NonThreadSafe {
     30  public:
     31   virtual ~BrowserCompositorOutputSurface();
     32 
     33   // cc::OutputSurface implementation.
     34   virtual bool BindToClient(cc::OutputSurfaceClient* client) OVERRIDE;
     35   virtual void Reshape(gfx::Size size, float scale_factor) OVERRIDE;
     36 
     37   void OnUpdateVSyncParameters(base::TimeTicks timebase,
     38                                base::TimeDelta interval);
     39 
     40   void SetReflector(ReflectorImpl* reflector);
     41 
     42  protected:
     43   // Constructor used by the accelerated implementation.
     44   BrowserCompositorOutputSurface(
     45       const scoped_refptr<ContextProviderCommandBuffer>& context,
     46       int surface_id,
     47       IDMap<BrowserCompositorOutputSurface>* output_surface_map,
     48       base::MessageLoopProxy* compositor_message_loop,
     49       base::WeakPtr<ui::Compositor> compositor);
     50 
     51   // Constructor used by the software implementation.
     52   BrowserCompositorOutputSurface(
     53       scoped_ptr<cc::SoftwareOutputDevice> software_device,
     54       int surface_id,
     55       IDMap<BrowserCompositorOutputSurface>* output_surface_map,
     56       base::MessageLoopProxy* compositor_message_loop,
     57       base::WeakPtr<ui::Compositor> compositor);
     58 
     59   int surface_id_;
     60   IDMap<BrowserCompositorOutputSurface>* output_surface_map_;
     61 
     62   scoped_refptr<base::MessageLoopProxy> compositor_message_loop_;
     63   base::WeakPtr<ui::Compositor> compositor_;
     64   scoped_refptr<ReflectorImpl> reflector_;
     65 
     66  private:
     67   void Initialize();
     68 
     69   DISALLOW_COPY_AND_ASSIGN(BrowserCompositorOutputSurface);
     70 };
     71 
     72 }  // namespace content
     73 
     74 #endif  // CONTENT_BROWSER_AURA_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
     75