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// Copyright 2014 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 CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
#define CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
#include "base/threading/non_thread_safe.h"
#include "cc/output/output_surface.h"
#include "content/common/content_export.h"
#include "ui/compositor/compositor_vsync_manager.h"
namespace cc {
class SoftwareOutputDevice;
}
namespace content {
class BrowserCompositorOverlayCandidateValidator;
class ContextProviderCommandBuffer;
class ReflectorImpl;
class WebGraphicsContext3DCommandBufferImpl;
class CONTENT_EXPORT BrowserCompositorOutputSurface
: public cc::OutputSurface,
public ui::CompositorVSyncManager::Observer {
public:
~BrowserCompositorOutputSurface() override;
// cc::OutputSurface implementation.
bool BindToClient(cc::OutputSurfaceClient* client) override;
cc::OverlayCandidateValidator* GetOverlayCandidateValidator() const override;
// ui::CompositorOutputSurface::Observer implementation.
void OnUpdateVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) override;
void OnUpdateVSyncParametersFromGpu(base::TimeTicks tiembase,
base::TimeDelta interval);
void SetReflector(ReflectorImpl* reflector);
// Called when |reflector_| was updated.
virtual void OnReflectorChanged();
// Returns a callback that will be called when all mirroring
// compositors have started composition.
virtual base::Closure CreateCompositionStartedCallback();
#if defined(OS_MACOSX)
virtual void OnSurfaceDisplayed() = 0;
virtual void SetSurfaceSuspendedForRecycle(bool suspended) = 0;
virtual bool SurfaceShouldNotShowFramesAfterSuspendForRecycle() const = 0;
#endif
protected:
// Constructor used by the accelerated implementation.
BrowserCompositorOutputSurface(
const scoped_refptr<cc::ContextProvider>& context,
const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager,
scoped_ptr<BrowserCompositorOverlayCandidateValidator>
overlay_candidate_validator);
// Constructor used by the software implementation.
BrowserCompositorOutputSurface(
scoped_ptr<cc::SoftwareOutputDevice> software_device,
const scoped_refptr<ui::CompositorVSyncManager>& vsync_manager);
scoped_refptr<ui::CompositorVSyncManager> vsync_manager_;
ReflectorImpl* reflector_;
// True when BeginFrame scheduling is enabled.
bool use_begin_frame_scheduling_;
private:
void Initialize();
scoped_ptr<BrowserCompositorOverlayCandidateValidator>
overlay_candidate_validator_;
DISALLOW_COPY_AND_ASSIGN(BrowserCompositorOutputSurface);
};
} // namespace content
#endif // CONTENT_BROWSER_COMPOSITOR_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
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