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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_DISPLAY_H_
#define CC_SURFACES_DISPLAY_H_
#include <memory>
#include <vector>
#include "base/macros.h"
#include "cc/output/output_surface_client.h"
#include "cc/resources/returned_resource.h"
#include "cc/scheduler/begin_frame_source.h"
#include "cc/surfaces/display_scheduler.h"
#include "cc/surfaces/frame_sink_id.h"
#include "cc/surfaces/surface_aggregator.h"
#include "cc/surfaces/surface_id.h"
#include "cc/surfaces/surface_manager.h"
#include "cc/surfaces/surfaces_export.h"
#include "gpu/command_buffer/common/texture_in_use_response.h"
#include "ui/gfx/color_space.h"
#include "ui/latency/latency_info.h"
namespace gpu {
class GpuMemoryBufferManager;
}
namespace gfx {
class Size;
}
namespace cc {
class BeginFrameSource;
class DirectRenderer;
class DisplayClient;
class OutputSurface;
class RendererSettings;
class ResourceProvider;
class SharedBitmapManager;
class SoftwareRenderer;
class SurfaceAggregator;
class TextureMailboxDeleter;
// A Display produces a surface that can be used to draw to a physical display
// (OutputSurface). The client is responsible for creating and sizing the
// surface IDs used to draw into the display and deciding when to draw.
class CC_SURFACES_EXPORT Display : public DisplaySchedulerClient,
public OutputSurfaceClient,
public SurfaceObserver {
public:
// The |begin_frame_source| and |scheduler| may be null (together). In that
// case, DrawAndSwap must be called externally when needed.
Display(SharedBitmapManager* bitmap_manager,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
const RendererSettings& settings,
const FrameSinkId& frame_sink_id,
BeginFrameSource* begin_frame_source,
std::unique_ptr<OutputSurface> output_surface,
std::unique_ptr<DisplayScheduler> scheduler,
std::unique_ptr<TextureMailboxDeleter> texture_mailbox_deleter);
~Display() override;
void Initialize(DisplayClient* client, SurfaceManager* surface_manager);
// device_scale_factor is used to communicate to the external window system
// what scale this was rendered at.
void SetLocalSurfaceId(const LocalSurfaceId& id, float device_scale_factor);
void SetVisible(bool visible);
void Resize(const gfx::Size& new_size);
void SetColorSpace(const gfx::ColorSpace& blending_color_space,
const gfx::ColorSpace& device_color_space);
void SetOutputIsSecure(bool secure);
const SurfaceId& CurrentSurfaceId();
// DisplaySchedulerClient implementation.
bool DrawAndSwap() override;
// OutputSurfaceClient implementation.
void SetNeedsRedrawRect(const gfx::Rect& damage_rect) override;
void DidReceiveSwapBuffersAck() override;
void DidReceiveTextureInUseResponses(
const gpu::TextureInUseResponses& responses) override;
// SurfaceObserver implementation.
void OnSurfaceDamaged(const SurfaceId& surface, bool* changed) override;
void OnSurfaceCreated(const SurfaceInfo& surface_info) override;
bool has_scheduler() const { return !!scheduler_; }
DirectRenderer* renderer_for_testing() const { return renderer_.get(); }
void ForceImmediateDrawAndSwapIfPossible();
private:
void InitializeRenderer();
void UpdateRootSurfaceResourcesLocked();
void DidLoseContextProvider();
SharedBitmapManager* const bitmap_manager_;
gpu::GpuMemoryBufferManager* const gpu_memory_buffer_manager_;
const RendererSettings settings_;
DisplayClient* client_ = nullptr;
SurfaceManager* surface_manager_ = nullptr;
const FrameSinkId frame_sink_id_;
SurfaceId current_surface_id_;
gfx::Size current_surface_size_;
float device_scale_factor_ = 1.f;
gfx::ColorSpace blending_color_space_;
gfx::ColorSpace device_color_space_;
bool visible_ = false;
bool swapped_since_resize_ = false;
bool output_is_secure_ = false;
// The begin_frame_source_ is not owned here, and also often known by the
// output_surface_ and the scheduler_.
BeginFrameSource* begin_frame_source_;
std::unique_ptr<OutputSurface> output_surface_;
std::unique_ptr<DisplayScheduler> scheduler_;
std::unique_ptr<ResourceProvider> resource_provider_;
std::unique_ptr<SurfaceAggregator> aggregator_;
std::unique_ptr<TextureMailboxDeleter> texture_mailbox_deleter_;
std::unique_ptr<DirectRenderer> renderer_;
SoftwareRenderer* software_renderer_ = nullptr;
std::vector<ui::LatencyInfo> stored_latency_info_;
private:
DISALLOW_COPY_AND_ASSIGN(Display);
};
} // namespace cc
#endif // CC_SURFACES_DISPLAY_H_