Move mus to //services/ui

components/mus/gles2/command_buffer_driver.h

-// Copyright 2013 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_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
-#define COMPONENTS_MUS_GLES2_COMMAND_BUFFER_DRIVER_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/single_thread_task_runner.h"
-#include "base/threading/non_thread_safe.h"
-#include "base/time/time.h"
-#include "gpu/command_buffer/common/capabilities.h"
-#include "gpu/command_buffer/common/command_buffer.h"
-#include "gpu/command_buffer/common/command_buffer_id.h"
-#include "gpu/command_buffer/common/constants.h"
-#include "mojo/public/cpp/bindings/array.h"
-#include "mojo/public/cpp/system/buffer.h"
-#include "ui/gfx/buffer_types.h"
-#include "ui/gfx/geometry/mojo/geometry.mojom.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/swap_result.h"
-
-namespace gl {
-class GLContext;
-class GLSurface;
-}
-
-namespace gpu {
-class CommandBufferService;
-class CommandExecutor;
-class SyncPointClient;
-class SyncPointOrderData;
-
-namespace gles2 {
-class GLES2Decoder;
-}  // namespace gles2
-
-}  // namespace gpu
-
-namespace ui {
-class NativePixmap;
-}
-
-namespace mus {
-
-class GpuState;
-
-// This class receives CommandBuffer messages on the same thread as the native
-// viewport.
-class CommandBufferDriver : base::NonThreadSafe {
- public:
-  class Client {
-   public:
-    virtual ~Client();
-    virtual void DidLoseContext(uint32_t reason) = 0;
-    virtual void UpdateVSyncParameters(const base::TimeTicks& timebase,
-                                       const base::TimeDelta& interval) = 0;
-    virtual void OnGpuCompletedSwapBuffers(gfx::SwapResult result) = 0;
-  };
-  CommandBufferDriver(gpu::CommandBufferNamespace command_buffer_namespace,
-                      gpu::CommandBufferId command_buffer_id,
-                      gfx::AcceleratedWidget widget,
-                      scoped_refptr<GpuState> gpu_state);
-  ~CommandBufferDriver();
-
-  // The class owning the CommandBufferDriver instance (e.g. CommandBufferLocal)
-  // is itself the Client implementation so CommandBufferDriver does not own the
-  // client.
-  void set_client(Client* client) { client_ = client; }
-
-  bool Initialize(mojo::ScopedSharedBufferHandle shared_state,
-                  mojo::Array<int32_t> attribs);
-  void SetGetBuffer(int32_t buffer);
-  void Flush(int32_t put_offset);
-  void RegisterTransferBuffer(int32_t id,
-                              mojo::ScopedSharedBufferHandle transfer_buffer,
-                              uint32_t size);
-  void DestroyTransferBuffer(int32_t id);
-  void CreateImage(int32_t id,
-                   mojo::ScopedHandle memory_handle,
-                   int32_t type,
-                   const gfx::Size& size,
-                   int32_t format,
-                   int32_t internal_format);
-  void CreateImageNativeOzone(int32_t id,
-                              int32_t type,
-                              gfx::Size size,
-                              gfx::BufferFormat format,
-                              uint32_t internal_format,
-                              ui::NativePixmap* pixmap);
-  void DestroyImage(int32_t id);
-  bool IsScheduled() const;
-  bool HasUnprocessedCommands() const;
-  gpu::Capabilities GetCapabilities() const;
-  gpu::CommandBuffer::State GetLastState() const;
-  gpu::CommandBufferNamespace GetNamespaceID() const {
-    return command_buffer_namespace_;
-  }
-  gpu::CommandBufferId GetCommandBufferID() const { return command_buffer_id_; }
-  gpu::SyncPointOrderData* sync_point_order_data() {
-    return sync_point_order_data_.get();
-  }
-  uint32_t GetUnprocessedOrderNum() const;
-  uint32_t GetProcessedOrderNum() const;
-  void SignalQuery(uint32_t query_id, const base::Closure& callback);
-
- private:
-  bool MakeCurrent();
-
-  // Process pending queries and call |ScheduleDelayedWork| to schedule
-  // processing of delayed work.
-  void ProcessPendingAndIdleWork();
-
-  // Schedule processing of delayed work. This updates the time at which
-  // delayed work should be processed. |process_delayed_work_time_| is
-  // updated to current time + delay. Call this after processing some amount
-  // of delayed work.
-  void ScheduleDelayedWork(base::TimeDelta delay);
-
-  // Poll the command buffer to execute work.
-  void PollWork();
-  void PerformWork();
-
-  void DestroyDecoder();
-
-  // Callbacks:
-  void OnUpdateVSyncParameters(const base::TimeTicks timebase,
-                               const base::TimeDelta interval);
-  void OnFenceSyncRelease(uint64_t release);
-  bool OnWaitFenceSync(gpu::CommandBufferNamespace namespace_id,
-                       gpu::CommandBufferId command_buffer_id,
-                       uint64_t release);
-  void OnDescheduleUntilFinished();
-  void OnRescheduleAfterFinished();
-  void OnParseError();
-  void OnContextLost(uint32_t reason);
-  void OnGpuCompletedSwapBuffers(gfx::SwapResult result);
-
-  const gpu::CommandBufferNamespace command_buffer_namespace_;
-  const gpu::CommandBufferId command_buffer_id_;
-  gfx::AcceleratedWidget widget_;
-  Client* client_;  // NOT OWNED.
-  std::unique_ptr<gpu::CommandBufferService> command_buffer_;
-  std::unique_ptr<gpu::gles2::GLES2Decoder> decoder_;
-  std::unique_ptr<gpu::CommandExecutor> executor_;
-  scoped_refptr<gpu::SyncPointOrderData> sync_point_order_data_;
-  std::unique_ptr<gpu::SyncPointClient> sync_point_client_;
-  scoped_refptr<gl::GLContext> context_;
-  scoped_refptr<gl::GLSurface> surface_;
-  scoped_refptr<GpuState> gpu_state_;
-
-  scoped_refptr<base::SingleThreadTaskRunner> context_lost_task_runner_;
-  base::Callback<void(int32_t)> context_lost_callback_;
-
-  base::TimeTicks process_delayed_work_time_;
-  uint32_t previous_processed_num_;
-  base::TimeTicks last_idle_time_;
-
-  base::WeakPtrFactory<CommandBufferDriver> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(CommandBufferDriver);
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_GLES2_COMMAND_BUFFER_DRIVER_H_