content/browser/compositor/browser_compositor_output_surface.h

   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_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
   6 #define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
   7
   8 #include "base/threading/non_thread_safe.h"
   9 #include "cc/output/output_surface.h"
  10 #include "content/common/content_export.h"
  11 #include "ui/compositor/compositor_vsync_manager.h"
  12
  13 namespace cc {
  14 class SoftwareOutputDevice;
  15 }
  16
  17 namespace content {
  18 class BrowserCompositorOverlayCandidateValidator;
  19 class ContextProviderCommandBuffer;
  20 class ReflectorImpl;
  21 class WebGraphicsContext3DCommandBufferImpl;
  22
  23 class CONTENT_EXPORT BrowserCompositorOutputSurface
  24     : public cc::OutputSurface,
  25       public ui::CompositorVSyncManager::Observer {
  26  public:
  27   ~BrowserCompositorOutputSurface() override;
  28
  29   // cc::OutputSurface implementation.
  30   bool BindToClient(cc::OutputSurfaceClient* client) override;
  31   cc::OverlayCandidateValidator* GetOverlayCandidateValidator() const override;
  32
  33   // ui::CompositorOutputSurface::Observer implementation.
  34   void OnUpdateVSyncParameters(base::TimeTicks timebase,
  35                                base::TimeDelta interval) override;
  36
  37   void OnUpdateVSyncParametersFromGpu(base::TimeTicks tiembase,
  38                                       base::TimeDelta interval);
  39
  40   void SetReflector(ReflectorImpl* reflector);
  41
  42   // Called when |reflector_| was updated.
  43   virtual void OnReflectorChanged();
  44
  45   // Returns a callback that will be called when all mirroring
  46   // compositors have started composition.
  47   virtual base::Closure CreateCompositionStartedCallback();
  48
  49 #if defined(OS_MACOSX)
  50   virtual void OnSurfaceDisplayed() = 0;
  51   virtual void SetSurfaceSuspendedForRecycle(bool suspended) = 0;
  52   virtual bool SurfaceShouldNotShowFramesAfterSuspendForRecycle() const = 0;
  53 #endif
  54
  55  protected:
  56   // Constructor used by the accelerated implementation.
  57   BrowserCompositorOutputSurface(
  58       const scoped_refptr<cc::ContextProvider>& context,
  59       const scoped_refptr<cc::ContextProvider>& worker_context,
  60       const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
  61       scoped_ptr<BrowserCompositorOverlayCandidateValidator>
  62           overlay_candidate_validator);
  63
  64   // Constructor used by the software implementation.
  65   BrowserCompositorOutputSurface(
  66       scoped_ptr<cc::SoftwareOutputDevice> software_device,
  67       const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager);
  68
  69   scoped_refptr<ui::CompositorVSyncManager> vsync_manager_;
  70   ReflectorImpl* reflector_;
  71
  72   // True when BeginFrame scheduling is enabled.
  73   bool use_begin_frame_scheduling_;
  74
  75  private:
  76   void Initialize();
  77
  78   scoped_ptr<BrowserCompositorOverlayCandidateValidator>
  79       overlay_candidate_validator_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(BrowserCompositorOutputSurface);
  82 };
  83
  84 }  // namespace content
  85
  86 #endif  // CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_