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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_IPC_IN_PROCESS_GPU_THREAD_HOLDER_H_
#define GPU_IPC_IN_PROCESS_GPU_THREAD_HOLDER_H_
#include <memory>
#include "base/component_export.h"
#include "base/memory/scoped_refptr.h"
#include "base/threading/thread.h"
#include "gpu/command_buffer/service/shared_context_state.h"
#include "gpu/config/gpu_feature_info.h"
#include "gpu/config/gpu_preferences.h"
#include "gpu/ipc/gpu_in_process_thread_service.h"
namespace gpu {
class CommandBufferTaskExecutor;
class Scheduler;
class SharedImageManager;
class SyncPointManager;
// Starts a GPU thread and task executor that runs tasks on the GPU thread. This
// isn't a full GPU thread implementation and should only be used in tests. A
// default GpuPreferences and GpuFeatureInfo will be constructed from the
// command line when this class is first created.
class COMPONENT_EXPORT(GPU_THREAD_HOLDER) InProcessGpuThreadHolder
: public base::Thread,
public GpuInProcessThreadServiceDelegate {
public:
InProcessGpuThreadHolder();
InProcessGpuThreadHolder(const InProcessGpuThreadHolder&) = delete;
InProcessGpuThreadHolder& operator=(const InProcessGpuThreadHolder&) = delete;
~InProcessGpuThreadHolder() override;
// Returns GpuPreferences that can be modified before GetTaskExecutor() is
// called for the first time.
GpuPreferences* GetGpuPreferences();
// Returns GpuFeatureInfo that can be modified before GetTaskExecutor() is
// called for the first time.
GpuFeatureInfo* GetGpuFeatureInfo();
// Returns a task executor that runs commands on the GPU thread. The task
// executor will be created the first time this is called.
CommandBufferTaskExecutor* GetTaskExecutor();
// gpu::GpuInProcessThreadServiceDelegate implementation:
scoped_refptr<gpu::SharedContextState> GetSharedContextState() override;
scoped_refptr<gl::GLShareGroup> GetShareGroup() override;
private:
void InitializeOnGpuThread(base::WaitableEvent* completion);
void DeleteOnGpuThread();
GpuPreferences gpu_preferences_;
GpuFeatureInfo gpu_feature_info_;
scoped_refptr<gl::GLShareGroup> share_group_;
scoped_refptr<gl::GLSurface> surface_;
scoped_refptr<gl::GLContext> context_;
scoped_refptr<SharedContextState> context_state_;
std::unique_ptr<SyncPointManager> sync_point_manager_;
std::unique_ptr<Scheduler> scheduler_;
std::unique_ptr<SharedImageManager> shared_image_manager_;
std::unique_ptr<CommandBufferTaskExecutor> task_executor_;
};
} // namespace gpu
#endif // GPU_IPC_IN_PROCESS_GPU_THREAD_HOLDER_H_
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