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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 CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_
#define CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_
#include "cc/surfaces/display_client.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "cc/surfaces/display.h"
#include "cc/surfaces/surfaces_export.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace cc {
class BeginFrameSource;
class ContextProvider;
class DisplayScheduler;
class SurfaceManager;
class SurfaceDisplayOutputSurface;
// This class provides a DisplayClient implementation for drawing directly to an
// onscreen context.
class CC_SURFACES_EXPORT OnscreenDisplayClient
: NON_EXPORTED_BASE(DisplayClient) {
public:
OnscreenDisplayClient(
scoped_ptr<OutputSurface> output_surface,
SurfaceManager* manager,
SharedBitmapManager* bitmap_manager,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
const RendererSettings& settings,
scoped_refptr<base::SingleThreadTaskRunner> task_runner);
~OnscreenDisplayClient() override;
bool Initialize();
Display* display() { return display_.get(); }
void set_surface_output_surface(SurfaceDisplayOutputSurface* surface) {
surface_display_output_surface_ = surface;
}
// DisplayClient implementation.
void CommitVSyncParameters(base::TimeTicks timebase,
base::TimeDelta interval) override;
void OutputSurfaceLost() override;
void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
bool output_surface_lost() { return output_surface_lost_; }
protected:
scoped_ptr<OutputSurface> output_surface_;
// Be careful of destruction order:
// Display depends on DisplayScheduler depends on *BeginFrameSource
// depends on TaskRunner.
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
scoped_ptr<SyntheticBeginFrameSource> synthetic_frame_source_;
scoped_ptr<BackToBackBeginFrameSource> unthrottled_frame_source_;
scoped_ptr<DisplayScheduler> scheduler_;
scoped_ptr<Display> display_;
SurfaceDisplayOutputSurface* surface_display_output_surface_;
bool output_surface_lost_;
bool disable_display_vsync_;
private:
DISALLOW_COPY_AND_ASSIGN(OnscreenDisplayClient);
};
} // namespace cc
#endif // CC_SURFACES_ONSCREEN_DISPLAY_CLIENT_H_
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