services/ui: Remove deprecated gpu code

services/ui/gles2/command_buffer_local.h

-// Copyright 2015 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 SERVICES_UI_GLES2_COMMAND_BUFFER_LOCAL_H_
-#define SERVICES_UI_GLES2_COMMAND_BUFFER_LOCAL_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <map>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
-#include "gpu/command_buffer/client/gpu_control.h"
-#include "gpu/command_buffer/common/command_buffer.h"
-#include "gpu/command_buffer/common/command_buffer_id.h"
-#include "gpu/command_buffer/common/command_buffer_shared.h"
-#include "services/ui/gles2/command_buffer_driver.h"
-#include "services/ui/public/interfaces/command_buffer.mojom.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/gpu_memory_buffer.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace {
-class WaitableEvent;
-}
-
-namespace gl {
-class GLContext;
-class GLSurface;
-}
-
-namespace gpu {
-class GpuControlClient;
-class SyncPointClient;
-}
-
-namespace ui {
-
-class CommandBufferDriver;
-class CommandBufferLocalClient;
-class GpuState;
-
-// This class provides a wrapper around a CommandBufferDriver and a GpuControl
-// implementation to allow cc::Display to generate GL directly on the main
-// thread.
-class CommandBufferLocal : public gpu::CommandBuffer,
-                           public gpu::GpuControl,
-                           public CommandBufferDriver::Client,
-                           base::NonThreadSafe {
- public:
-  CommandBufferLocal(CommandBufferLocalClient* client,
-                     gfx::AcceleratedWidget widget,
-                     const scoped_refptr<GpuState>& gpu_state);
-
-  bool Initialize();
-  // Destroy the CommandBufferLocal. The client should not use this class
-  // after calling it.
-  void Destroy();
-
-  // gpu::CommandBuffer implementation:
-  gpu::CommandBuffer::State GetLastState() override;
-  int32_t GetLastToken() override;
-  void Flush(int32_t put_offset) override;
-  void OrderingBarrier(int32_t put_offset) override;
-  void WaitForTokenInRange(int32_t start, int32_t end) override;
-  void WaitForGetOffsetInRange(int32_t start, int32_t end) override;
-  void SetGetBuffer(int32_t buffer) override;
-  scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size,
-                                                  int32_t* id) override;
-  void DestroyTransferBuffer(int32_t id) override;
-
-  // gpu::GpuControl implementation:
-  void SetGpuControlClient(gpu::GpuControlClient*) override;
-  gpu::Capabilities GetCapabilities() override;
-  int32_t CreateImage(ClientBuffer buffer,
-                      size_t width,
-                      size_t height,
-                      unsigned internalformat) override;
-  void DestroyImage(int32_t id) override;
-  int32_t CreateGpuMemoryBufferImage(size_t width,
-                                     size_t height,
-                                     unsigned internal_format,
-                                     unsigned usage) override;
-  void SignalQuery(uint32_t query_id, const base::Closure& callback) override;
-  void SetLock(base::Lock*) override;
-  void EnsureWorkVisible() override;
-  gpu::CommandBufferNamespace GetNamespaceID() const override;
-  gpu::CommandBufferId GetCommandBufferID() const override;
-  int32_t GetExtraCommandBufferData() const override;
-  uint64_t GenerateFenceSyncRelease() override;
-  bool IsFenceSyncRelease(uint64_t release) override;
-  bool IsFenceSyncFlushed(uint64_t release) override;
-  bool IsFenceSyncFlushReceived(uint64_t release) override;
-  void SignalSyncToken(const gpu::SyncToken& sync_token,
-                       const base::Closure& callback) override;
-  bool CanWaitUnverifiedSyncToken(const gpu::SyncToken* sync_token) override;
-
- private:
-  // CommandBufferDriver::Client implementation. All called on GPU thread.
-  void DidLoseContext(uint32_t reason) override;
-  void UpdateVSyncParameters(const base::TimeTicks& timebase,
-                             const base::TimeDelta& interval) override;
-  void OnGpuCompletedSwapBuffers(gfx::SwapResult result) override;
-
-  ~CommandBufferLocal() override;
-
-  gpu::CommandBufferSharedState* shared_state() const {
-    return reinterpret_cast<gpu::CommandBufferSharedState*>(
-        shared_state_.get());
-  }
-  void TryUpdateState();
-  void MakeProgressAndUpdateState();
-
-  // Helper functions are called in the GPU thread.
-  void InitializeOnGpuThread(base::WaitableEvent* event, bool* result);
-  bool FlushOnGpuThread(int32_t put_offset, uint32_t order_num);
-  bool SetGetBufferOnGpuThread(int32_t buffer);
-  bool RegisterTransferBufferOnGpuThread(
-      int32_t id,
-      mojo::ScopedSharedBufferHandle transfer_buffer,
-      uint32_t size);
-  bool DestroyTransferBufferOnGpuThread(int32_t id);
-  bool CreateImageOnGpuThread(int32_t id,
-                              mojo::ScopedHandle memory_handle,
-                              int32_t type,
-                              const gfx::Size& size,
-                              int32_t format,
-                              int32_t internal_format);
-  bool CreateImageNativeOzoneOnGpuThread(int32_t id,
-                                         int32_t type,
-                                         gfx::Size size,
-                                         gfx::BufferFormat format,
-                                         uint32_t internal_format,
-                                         ui::NativePixmap* pixmap);
-  bool DestroyImageOnGpuThread(int32_t id);
-  bool MakeProgressOnGpuThread(base::WaitableEvent* event,
-                               gpu::CommandBuffer::State* state);
-  bool DeleteOnGpuThread(base::WaitableEvent* event);
-  bool SignalQueryOnGpuThread(uint32_t query_id, const base::Closure& callback);
-
-  // Helper functions are called in the client thread.
-  void DidLoseContextOnClientThread(uint32_t reason);
-  void UpdateVSyncParametersOnClientThread(const base::TimeTicks& timebase,
-                                           const base::TimeDelta& interval);
-  void OnGpuCompletedSwapBuffersOnClientThread(gfx::SwapResult result);
-
-  gfx::AcceleratedWidget widget_;
-  scoped_refptr<GpuState> gpu_state_;
-  std::unique_ptr<CommandBufferDriver> driver_;
-  CommandBufferLocalClient* client_;
-  scoped_refptr<base::SingleThreadTaskRunner> client_thread_task_runner_;
-
-  // Members accessed on the client thread:
-  gpu::GpuControlClient* gpu_control_client_;
-  gpu::CommandBuffer::State last_state_;
-  mojo::ScopedSharedBufferMapping shared_state_;
-  int32_t last_put_offset_;
-  gpu::Capabilities capabilities_;
-  int32_t next_transfer_buffer_id_;
-  int32_t next_image_id_;
-  uint64_t next_fence_sync_release_;
-  uint64_t flushed_fence_sync_release_;
-  bool lost_context_;
-
-  // This sync point client is only for out of order Wait on client thread.
-  std::unique_ptr<gpu::SyncPointClient> sync_point_client_waiter_;
-
-  base::WeakPtr<CommandBufferLocal> weak_ptr_;
-
-  // This weak factory will be invalidated in the client thread, so all weak
-  // pointers have to be dereferenced in the client thread too.
-  base::WeakPtrFactory<CommandBufferLocal> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(CommandBufferLocal);
-};
-
-}  //  namespace mus
-
-#endif  // SERVICES_UI_GLES2_COMMAND_BUFFER_LOCAL_H_