content/browser/compositor/gpu_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_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
   6 #define CONTENT_BROWSER_COMPOSITOR_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
   7
   8 #include "base/cancelable_callback.h"
   9 #include "content/browser/compositor/browser_compositor_output_surface.h"
  10
  11 namespace ui {
  12 class CompositorVSyncManager;
  13 }
  14
  15 namespace cc {
  16 class OverlayCandidateValidator;
  17 }
  18
  19 namespace content {
  20 class CommandBufferProxyImpl;
  21
  22 // Adapts a WebGraphicsContext3DCommandBufferImpl into a
  23 // cc::OutputSurface that also handles vsync parameter updates
  24 // arriving from the GPU process.
  25 class GpuBrowserCompositorOutputSurface
  26     : public BrowserCompositorOutputSurface {
  27  public:
  28   GpuBrowserCompositorOutputSurface(
  29       const scoped_refptr<ContextProviderCommandBuffer>& context,
  30       const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
  31       scoped_ptr<cc::OverlayCandidateValidator> overlay_candidate_validator);
  32
  33   ~GpuBrowserCompositorOutputSurface() override;
  34
  35  protected:
  36   // cc::OutputSurface implementation.
  37   void SwapBuffers(cc::CompositorFrame* frame) override;
  38   bool BindToClient(cc::OutputSurfaceClient* client) override;
  39
  40 #if defined(OS_MACOSX)
  41   void OnSurfaceDisplayed() override;
  42   void OnSurfaceRecycled() override;
  43   bool ShouldNotShowFramesAfterRecycle() const override;
  44   bool should_not_show_frames_;
  45 #endif
  46
  47   CommandBufferProxyImpl* GetCommandBufferProxy();
  48   void OnSwapBuffersCompleted(const std::vector<ui::LatencyInfo>& latency_info);
  49
  50   base::CancelableCallback<void(const std::vector<ui::LatencyInfo>&)>
  51       swap_buffers_completion_callback_;
  52   base::CancelableCallback<void(base::TimeTicks timebase,
  53                                 base::TimeDelta interval)>
  54       update_vsync_parameters_callback_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(GpuBrowserCompositorOutputSurface);
  57 };
  58
  59 }  // namespace content
  60
  61 #endif  // CONTENT_BROWSER_COMPOSITOR_GPU_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_