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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_WEBGPU_IN_PROCESS_CONTEXT_H_
#define GPU_IPC_WEBGPU_IN_PROCESS_CONTEXT_H_
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "base/task/single_thread_task_runner.h"
#include "gpu/command_buffer/service/command_buffer_task_executor.h"
#include "gpu/ipc/in_process_command_buffer.h"
namespace base {
class TestSimpleTaskRunner;
} // namespace base
namespace gpu {
class CommandBufferHelper;
class ServiceTransferCache;
class TransferBuffer;
struct GpuFeatureInfo;
struct SharedMemoryLimits;
namespace webgpu {
class WebGPUImplementation;
} // namespace webgpu
// Runs client and server side command buffer code in process. Only supports
// WebGPUInterface.
class WebGPUInProcessContext {
public:
WebGPUInProcessContext();
WebGPUInProcessContext(const WebGPUInProcessContext&) = delete;
WebGPUInProcessContext& operator=(const WebGPUInProcessContext&) = delete;
~WebGPUInProcessContext();
// |attrib_list| must be null or a NONE-terminated list of attribute/value
// pairs. |gpu_channel_manager| should be non-null when used in the GPU
// process.
ContextResult Initialize(CommandBufferTaskExecutor* task_executor,
const ContextCreationAttribs& attribs,
const SharedMemoryLimits& memory_limits);
const Capabilities& GetCapabilities() const;
const GpuFeatureInfo& GetGpuFeatureInfo() const;
// Allows direct access to the WebGPUImplementation so a
// WebGPUInProcessContext can be used without making it current.
gpu::webgpu::WebGPUImplementation* GetImplementation();
base::TestSimpleTaskRunner* GetTaskRunner();
// Test only functions.
ServiceTransferCache* GetTransferCacheForTest() const;
InProcessCommandBuffer* GetCommandBufferForTest() const;
CommandBufferHelper* GetCommandBufferHelperForTest() const;
private:
std::unique_ptr<CommandBufferHelper> helper_;
std::unique_ptr<TransferBuffer> transfer_buffer_;
std::unique_ptr<webgpu::WebGPUImplementation> webgpu_implementation_;
std::unique_ptr<InProcessCommandBuffer> command_buffer_;
scoped_refptr<base::TestSimpleTaskRunner> client_task_runner_;
};
} // namespace gpu
#endif // GPU_IPC_WEBGPU_IN_PROCESS_CONTEXT_H_
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