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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 COMPONENTS_VIZ_SERVICE_FRAME_SINKS_DIRECT_LAYER_TREE_FRAME_SINK_H_
#define COMPONENTS_VIZ_SERVICE_FRAME_SINKS_DIRECT_LAYER_TREE_FRAME_SINK_H_
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "cc/output/layer_tree_frame_sink.h"
#include "components/viz/common/frame_sinks/begin_frame_source.h"
#include "components/viz/common/surfaces/local_surface_id_allocator.h"
#include "components/viz/service/display/display_client.h"
#include "components/viz/service/frame_sinks/compositor_frame_sink_support.h"
#include "components/viz/service/frame_sinks/compositor_frame_sink_support_client.h"
#include "components/viz/service/viz_service_export.h"
namespace cc {
class LocalSurfaceIdAllocator;
class FrameSinkManagerImpl;
} // namespace cc
namespace viz {
class CompositorFrameSinkSupportManager;
class Display;
// This class submits compositor frames to an in-process Display, with the
// client's frame being the root surface of the Display.
class VIZ_SERVICE_EXPORT DirectLayerTreeFrameSink
: public cc::LayerTreeFrameSink,
public CompositorFrameSinkSupportClient,
public ExternalBeginFrameSourceClient,
public DisplayClient {
public:
// The underlying Display, FrameSinkManagerImpl, and LocalSurfaceIdAllocator
// must outlive this class.
DirectLayerTreeFrameSink(
const FrameSinkId& frame_sink_id,
CompositorFrameSinkSupportManager* support_manager,
FrameSinkManagerImpl* frame_sink_manager,
Display* display,
scoped_refptr<ContextProvider> context_provider,
scoped_refptr<ContextProvider> worker_context_provider,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
SharedBitmapManager* shared_bitmap_manager);
DirectLayerTreeFrameSink(
const FrameSinkId& frame_sink_id,
CompositorFrameSinkSupportManager* support_manager,
FrameSinkManagerImpl* frame_sink_manager,
Display* display,
scoped_refptr<VulkanContextProvider> vulkan_context_provider);
~DirectLayerTreeFrameSink() override;
// LayerTreeFrameSink implementation.
bool BindToClient(cc::LayerTreeFrameSinkClient* client) override;
void DetachFromClient() override;
void SubmitCompositorFrame(cc::CompositorFrame frame) override;
void DidNotProduceFrame(const BeginFrameAck& ack) override;
// DisplayClient implementation.
void DisplayOutputSurfaceLost() override;
void DisplayWillDrawAndSwap(bool will_draw_and_swap,
const cc::RenderPassList& render_passes) override;
void DisplayDidDrawAndSwap() override;
protected:
std::unique_ptr<CompositorFrameSinkSupport> support_; // protected for test.
private:
// CompositorFrameSinkSupportClient implementation:
void DidReceiveCompositorFrameAck(
const std::vector<ReturnedResource>& resources) override;
void OnBeginFrame(const BeginFrameArgs& args) override;
void ReclaimResources(
const std::vector<ReturnedResource>& resources) override;
void WillDrawSurface(const LocalSurfaceId& local_surface_id,
const gfx::Rect& damage_rect) override;
void OnBeginFramePausedChanged(bool paused) override;
// ExternalBeginFrameSourceClient implementation:
void OnNeedsBeginFrames(bool needs_begin_frame) override;
// This class is only meant to be used on a single thread.
THREAD_CHECKER(thread_checker_);
const FrameSinkId frame_sink_id_;
LocalSurfaceId local_surface_id_;
CompositorFrameSinkSupportManager* const support_manager_;
FrameSinkManagerImpl* frame_sink_manager_;
LocalSurfaceIdAllocator local_surface_id_allocator_;
Display* display_;
gfx::Size last_swap_frame_size_;
float device_scale_factor_ = 1.f;
bool is_lost_ = false;
std::unique_ptr<ExternalBeginFrameSource> begin_frame_source_;
DISALLOW_COPY_AND_ASSIGN(DirectLayerTreeFrameSink);
};
} // namespace viz
#endif // COMPONENTS_VIZ_SERVICE_FRAME_SINKS_DIRECT_LAYER_TREE_FRAME_SINK_H_
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