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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 SERVICES_UI_SURFACES_DISPLAY_OUTPUT_SURFACE_H_
#define SERVICES_UI_SURFACES_DISPLAY_OUTPUT_SURFACE_H_
#include <memory>
#include "cc/output/in_process_context_provider.h"
#include "cc/output/output_surface.h"
namespace cc {
class SyntheticBeginFrameSource;
}
namespace ui {
// An OutputSurface implementation that directly draws and
// swaps to an actual GL surface.
class DisplayOutputSurface : public cc::OutputSurface {
public:
DisplayOutputSurface(
scoped_refptr<cc::InProcessContextProvider> context_provider,
cc::SyntheticBeginFrameSource* synthetic_begin_frame_source);
~DisplayOutputSurface() override;
// cc::OutputSurface implementation
void BindToClient(cc::OutputSurfaceClient* client) override;
void EnsureBackbuffer() override;
void DiscardBackbuffer() override;
void BindFramebuffer() override;
void Reshape(const gfx::Size& size,
float device_scale_factor,
const gfx::ColorSpace& color_space,
bool has_alpha) override;
void SwapBuffers(cc::OutputSurfaceFrame frame) override;
uint32_t GetFramebufferCopyTextureFormat() override;
cc::OverlayCandidateValidator* GetOverlayCandidateValidator() const override;
bool IsDisplayedAsOverlayPlane() const override;
unsigned GetOverlayTextureId() const override;
bool SurfaceIsSuspendForRecycle() const override;
bool HasExternalStencilTest() const override;
void ApplyExternalStencil() override;
private:
// Called when a swap completion is signaled from ImageTransportSurface.
void OnGpuSwapBuffersCompleted(
const std::vector<ui::LatencyInfo>& latency_info,
gfx::SwapResult result,
const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac);
void OnVSyncParametersUpdated(base::TimeTicks timebase,
base::TimeDelta interval);
cc::OutputSurfaceClient* client_ = nullptr;
cc::SyntheticBeginFrameSource* const synthetic_begin_frame_source_;
base::WeakPtrFactory<DisplayOutputSurface> weak_ptr_factory_;
};
} // namespace ui
#endif // SERVICES_UI_SURFACES_DISPLAY_OUTPUT_SURFACE_H_