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// Copyright 2016 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_GPU_OUTPUT_SURFACE_MAC_H_
#define CONTENT_BROWSER_COMPOSITOR_GPU_OUTPUT_SURFACE_MAC_H_
#include "content/browser/compositor/gpu_surfaceless_browser_compositor_output_surface.h"
#include "ui/gfx/native_widget_types.h"
namespace content {
class GpuOutputSurfaceMac
: public GpuSurfacelessBrowserCompositorOutputSurface {
public:
GpuOutputSurfaceMac(
gfx::AcceleratedWidget widget,
scoped_refptr<ui::ContextProviderCommandBuffer> context,
gpu::SurfaceHandle surface_handle,
const UpdateVSyncParametersCallback& update_vsync_parameters_callback,
std::unique_ptr<viz::CompositorOverlayCandidateValidator>
overlay_candidate_validator,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager);
~GpuOutputSurfaceMac() override;
// viz::OutputSurface implementation.
void SwapBuffers(viz::OutputSurfaceFrame frame) override;
bool SurfaceIsSuspendForRecycle() const override;
// BrowserCompositorOutputSurface implementation.
void SetSurfaceSuspendedForRecycle(bool suspended) override;
private:
gfx::AcceleratedWidget widget_;
enum ShouldShowFramesState {
// Frames that come from the GPU process should appear on-screen.
SHOULD_SHOW_FRAMES,
// The compositor has been suspended. Any frames that come from the GPU
// process are for the pre-suspend content and should not be displayed.
SHOULD_NOT_SHOW_FRAMES_SUSPENDED,
// The compositor has been un-suspended, but has not yet issued a swap
// since being un-suspended, so any frames that come from the GPU process
// are for pre-suspend content and should not be displayed.
SHOULD_NOT_SHOW_FRAMES_NO_SWAP_AFTER_SUSPENDED,
};
ShouldShowFramesState should_show_frames_state_ = SHOULD_SHOW_FRAMES;
DISALLOW_COPY_AND_ASSIGN(GpuOutputSurfaceMac);
};
} // namespace content
#endif // CONTENT_BROWSER_COMPOSITOR_GPU_OUTPUT_SURFACE_MAC_H_
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