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      1 // Copyright 2014 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_COMPOSITOR_SURFACE_DISPLAY_OUTPUT_SURFACE_H_
      6 #define CONTENT_BROWSER_COMPOSITOR_SURFACE_DISPLAY_OUTPUT_SURFACE_H_
      7 
      8 #include "cc/output/output_surface.h"
      9 #include "cc/surfaces/surface_factory.h"
     10 #include "cc/surfaces/surface_factory_client.h"
     11 #include "cc/surfaces/surface_id_allocator.h"
     12 
     13 namespace cc {
     14 class Display;
     15 class SurfaceManager;
     16 }
     17 
     18 namespace content {
     19 
     20 // This class is maps a compositor OutputSurface to the surface system's Display
     21 // concept, allowing a compositor client to submit frames for a native root
     22 // window or physical display.
     23 class SurfaceDisplayOutputSurface : public cc::OutputSurface,
     24                                     public cc::SurfaceFactoryClient {
     25  public:
     26   // The underlying cc::Display and cc::SurfaceManager must outlive this class.
     27   SurfaceDisplayOutputSurface(
     28       cc::SurfaceManager* surface_manager,
     29       uint32_t surface_id_namespace,
     30       const scoped_refptr<cc::ContextProvider>& context_provider);
     31   virtual ~SurfaceDisplayOutputSurface();
     32 
     33   void set_display(cc::Display* display) { display_ = display; }
     34   cc::SurfaceFactory* factory() { return &factory_; }
     35   void ReceivedVSyncParameters(base::TimeTicks timebase,
     36                                base::TimeDelta interval);
     37 
     38   // cc::OutputSurface implementation.
     39   virtual void SwapBuffers(cc::CompositorFrame* frame) OVERRIDE;
     40 
     41   // cc::SurfaceFactoryClient implementation.
     42   virtual void ReturnResources(
     43       const cc::ReturnedResourceArray& resources) OVERRIDE;
     44 
     45  private:
     46   void SwapBuffersComplete();
     47 
     48   cc::Display* display_;
     49   cc::SurfaceManager* surface_manager_;
     50   cc::SurfaceFactory factory_;
     51   gfx::Size display_size_;
     52   cc::SurfaceId surface_id_;
     53   cc::SurfaceIdAllocator allocator_;
     54 
     55   DISALLOW_COPY_AND_ASSIGN(SurfaceDisplayOutputSurface);
     56 };
     57 
     58 }  // namespace content
     59 
     60 #endif  // CONTENT_BROWSER_COMPOSITOR_SURFACE_DISPLAY_OUTPUT_SURFACE_H_
     61