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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 COMPONENTS_VIZ_SERVICE_MAIN_VIZ_MAIN_IMPL_H_
#define COMPONENTS_VIZ_SERVICE_MAIN_VIZ_MAIN_IMPL_H_
#include "base/power_monitor/power_monitor.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread.h"
#include "components/discardable_memory/client/client_discardable_shared_memory_manager.h"
#include "gpu/ipc/in_process_command_buffer.h"
#include "gpu/ipc/service/gpu_init.h"
#include "mojo/public/cpp/bindings/associated_binding_set.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "services/viz/privileged/interfaces/gl/gpu_service.mojom.h"
#include "services/viz/privileged/interfaces/viz_main.mojom.h"
namespace gpu {
class SyncPointManager;
} // namespace gpu
namespace service_manager {
class Connector;
}
namespace ukm {
class MojoUkmRecorder;
}
namespace viz {
class DisplayProvider;
class FrameSinkManagerImpl;
class GpuServiceImpl;
class VizMainImpl : public gpu::GpuSandboxHelper, public mojom::VizMain {
public:
struct LogMessage {
int severity;
std::string header;
std::string message;
};
using LogMessages = std::vector<LogMessage>;
class Delegate {
public:
virtual ~Delegate() = default;
virtual void OnInitializationFailed() = 0;
virtual void OnGpuServiceConnection(GpuServiceImpl* gpu_service) = 0;
virtual void PostCompositorThreadCreated(
base::SingleThreadTaskRunner* task_runner) = 0;
};
struct ExternalDependencies {
public:
ExternalDependencies();
ExternalDependencies(ExternalDependencies&& other);
~ExternalDependencies();
ExternalDependencies& operator=(ExternalDependencies&& other);
bool create_display_compositor = false;
gpu::SyncPointManager* sync_point_manager = nullptr;
base::WaitableEvent* shutdown_event = nullptr;
scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner;
service_manager::Connector* connector = nullptr;
private:
DISALLOW_COPY_AND_ASSIGN(ExternalDependencies);
};
VizMainImpl(Delegate* delegate,
ExternalDependencies dependencies,
std::unique_ptr<gpu::GpuInit> gpu_init = nullptr);
// Destruction must happen on the GPU thread.
~VizMainImpl() override;
void SetLogMessagesForHost(LogMessages messages);
void Bind(mojom::VizMainRequest request);
void BindAssociated(mojom::VizMainAssociatedRequest request);
// mojom::VizMain implementation:
void CreateGpuService(
mojom::GpuServiceRequest request,
mojom::GpuHostPtr gpu_host,
discardable_memory::mojom::DiscardableSharedMemoryManagerPtr
discardable_memory_manager,
mojo::ScopedSharedBufferHandle activity_flags) override;
void CreateFrameSinkManager(mojom::FrameSinkManagerParamsPtr params) override;
GpuServiceImpl* gpu_service() { return gpu_service_.get(); }
const GpuServiceImpl* gpu_service() const { return gpu_service_.get(); }
private:
// Initializes GPU's UkmRecorder if GPU is running in it's own process.
void CreateUkmRecorderIfNeeded(service_manager::Connector* connector);
void CreateFrameSinkManagerInternal(mojom::FrameSinkManagerParamsPtr params);
void CreateFrameSinkManagerOnCompositorThread(
mojom::FrameSinkManagerParamsPtr params);
void TearDownOnCompositorThread();
// gpu::GpuSandboxHelper:
void PreSandboxStartup() override;
bool EnsureSandboxInitialized(gpu::GpuWatchdogThread* watchdog_thread,
const gpu::GPUInfo* gpu_info,
const gpu::GpuPreferences& gpu_prefs) override;
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner() const {
return io_thread_ ? io_thread_->task_runner()
: dependencies_.io_thread_task_runner;
}
Delegate* const delegate_;
const ExternalDependencies dependencies_;
// The thread that handles IO events for Gpu (if one isn't already provided).
// |io_thread_| must be ordered above GPU service related variables so it's
// destroyed after they are.
std::unique_ptr<base::Thread> io_thread_;
LogMessages log_messages_;
std::unique_ptr<gpu::GpuInit> gpu_init_;
std::unique_ptr<GpuServiceImpl> gpu_service_;
// The InCommandCommandBuffer::Service used by the frame sink manager.
scoped_refptr<gpu::InProcessCommandBuffer::Service> gpu_command_service_;
// If the gpu service is not yet ready then we stash pending
// FrameSinkManagerParams.
mojom::FrameSinkManagerParamsPtr pending_frame_sink_manager_params_;
// Provides mojo interfaces for creating and managing FrameSinks. These live
// on the compositor thread.
std::unique_ptr<FrameSinkManagerImpl> frame_sink_manager_;
std::unique_ptr<DisplayProvider> display_provider_;
const scoped_refptr<base::SingleThreadTaskRunner> gpu_thread_task_runner_;
// The main thread for the display compositor.
std::unique_ptr<base::Thread> compositor_thread_;
scoped_refptr<base::SingleThreadTaskRunner> compositor_thread_task_runner_;
std::unique_ptr<ukm::MojoUkmRecorder> ukm_recorder_;
std::unique_ptr<base::PowerMonitor> power_monitor_;
mojo::Binding<mojom::VizMain> binding_;
mojo::AssociatedBinding<mojom::VizMain> associated_binding_;
std::unique_ptr<discardable_memory::ClientDiscardableSharedMemoryManager>
discardable_shared_memory_manager_;
DISALLOW_COPY_AND_ASSIGN(VizMainImpl);
};
} // namespace viz
#endif // COMPONENTS_VIZ_SERVICE_MAIN_VIZ_MAIN_IMPL_H_
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