Move GLES2, GPU & Surfaces into the ViewManager directory. This does not merge the applications, th…

components/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_GLES2_COMMAND_BUFFER_DRIVER_H_
-#define COMPONENTS_GLES2_COMMAND_BUFFER_DRIVER_H_
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/single_thread_task_runner.h"
-#include "base/timer/timer.h"
-#include "components/gpu/public/interfaces/command_buffer.mojom.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace gpu {
-class CommandBufferService;
-class GpuScheduler;
-class GpuControlService;
-class SyncPointManager;
-namespace gles2 {
-class GLES2Decoder;
-class MailboxManager;
-}
-}
-
-namespace gfx {
-class GLContext;
-class GLShareGroup;
-class GLSurface;
-}
-
-namespace gles2 {
-
-// This class receives CommandBuffer messages on the same thread as the native
-// viewport. It is usually destructed on that thread, however if the native
-// viewport app is destroyed before CommandBufferImpl, then the latter's failed
-// PostTask will end up deleting this class on the control thread.
-class CommandBufferDriver {
- public:
-  class Client {
-   public:
-    virtual ~Client();
-    virtual void UpdateVSyncParameters(base::TimeTicks timebase,
-                                       base::TimeDelta interval) = 0;
-    virtual void DidLoseContext() = 0;
-  };
-  // Offscreen.
-  CommandBufferDriver(gfx::GLShareGroup* share_group,
-                      gpu::gles2::MailboxManager* mailbox_manager,
-                      gpu::SyncPointManager* sync_point_manager);
-  // Onscreen.
-  CommandBufferDriver(
-      gfx::AcceleratedWidget widget,
-      gfx::GLShareGroup* share_group,
-      gpu::gles2::MailboxManager* mailbox_manager,
-      gpu::SyncPointManager* sync_point_manager,
-      const base::Callback<void(CommandBufferDriver*)>& destruct_callback);
-  ~CommandBufferDriver();
-
-  void set_client(scoped_ptr<Client> client) { client_ = client.Pass(); }
-
-  void Initialize(mojo::CommandBufferSyncClientPtr sync_client,
-                  mojo::CommandBufferLostContextObserverPtr loss_observer,
-                  mojo::ScopedSharedBufferHandle shared_state);
-  void SetGetBuffer(int32_t buffer);
-  void Flush(int32_t put_offset);
-  void MakeProgress(int32_t last_get_offset);
-  void RegisterTransferBuffer(int32_t id,
-                              mojo::ScopedSharedBufferHandle transfer_buffer,
-                              uint32_t size);
-  void DestroyTransferBuffer(int32_t id);
-  void Echo(const mojo::Callback<void()>& callback);
-
-  // Called at shutdown to destroy the X window. This is needed when the parent
-  // window is being destroyed. Otherwise X calls for this window will fail.
-  void DestroyWindow();
-
- private:
-  bool DoInitialize(mojo::ScopedSharedBufferHandle shared_state);
-  void OnResize(gfx::Size size, float scale_factor);
-  bool OnWaitSyncPoint(uint32_t sync_point);
-  void OnSyncPointRetired();
-  void OnParseError();
-  void OnContextLost(uint32_t reason);
-  void OnUpdateVSyncParameters(const base::TimeTicks timebase,
-                               const base::TimeDelta interval);
-  void DestroyDecoder();
-
-  scoped_ptr<Client> client_;
-  mojo::CommandBufferSyncClientPtr sync_client_;
-  mojo::CommandBufferLostContextObserverPtr loss_observer_;
-  gfx::AcceleratedWidget widget_;
-  scoped_ptr<gpu::CommandBufferService> command_buffer_;
-  scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
-  scoped_ptr<gpu::GpuScheduler> scheduler_;
-  scoped_refptr<gfx::GLContext> context_;
-  scoped_refptr<gfx::GLSurface> surface_;
-  scoped_refptr<gfx::GLShareGroup> share_group_;
-  scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
-  scoped_refptr<gpu::SyncPointManager> sync_point_manager_;
-
-  scoped_refptr<base::SingleThreadTaskRunner> context_lost_task_runner_;
-  base::Callback<void(int32_t)> context_lost_callback_;
-
-  base::Callback<void(CommandBufferDriver*)> destruct_callback_;
-
-  base::WeakPtrFactory<CommandBufferDriver> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(CommandBufferDriver);
-};
-
-}  // namespace gles2
-
-#endif  // COMPONENTS_GLES2_COMMAND_BUFFER_DRIVER_H_