Reland of gpu: GPU service scheduler.

gpu/ipc/service/gpu_channel_manager.h

 // Copyright (c) 2012 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 GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_
 #define GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 19 matching lines @@
 #include "url/gurl.h"
 
 namespace gl {
 class GLShareGroup;
 }
 
 namespace gpu {
 class GpuDriverBugWorkarounds;
 struct GpuPreferences;
 class PreemptionFlag;
+class Scheduler;
 class SyncPointManager;
 struct SyncToken;
 namespace gles2 {
 class FramebufferCompletenessCache;
 class MailboxManager;
 class ProgramCache;
 class ShaderTranslatorCache;
 }
 }
 
 namespace gpu {
 class GpuChannel;
 class GpuChannelManagerDelegate;
 class GpuMemoryBufferFactory;
 class GpuWatchdogThread;
 
 // A GpuChannelManager is a thread responsible for issuing rendering commands
 // managing the lifetimes of GPU channels and forwarding IPC requests from the
 // browser process to them based on the corresponding renderer ID.
 class GPU_EXPORT GpuChannelManager {
  public:
   GpuChannelManager(const GpuPreferences& gpu_preferences,
                     const GpuDriverBugWorkarounds& workarounds,
                     GpuChannelManagerDelegate* delegate,
                     GpuWatchdogThread* watchdog,
                     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
                     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
+                    Scheduler* scheduler,
                     SyncPointManager* sync_point_manager,
                     GpuMemoryBufferFactory* gpu_memory_buffer_factory,
                     const GpuFeatureInfo& gpu_feature_info,
                     GpuProcessActivityFlags activity_flags);
   ~GpuChannelManager();
 
   GpuChannelManagerDelegate* delegate() const { return delegate_; }
 
   GpuChannel* EstablishChannel(int client_id,
                                uint64_t client_tracing_id,
@@ skipping 38 matching lines @@
 #endif
 
   bool is_exiting_for_lost_context() { return exiting_for_lost_context_; }
 
   gles2::MailboxManager* mailbox_manager() const {
     return mailbox_manager_.get();
   }
 
   gl::GLShareGroup* share_group() const { return share_group_.get(); }
 
+  SyncPointManager* sync_point_manager() const { return sync_point_manager_; }
+
  private:
   void InternalDestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, int client_id);
   void InternalDestroyGpuMemoryBufferOnIO(gfx::GpuMemoryBufferId id,
                                           int client_id);
 #if defined(OS_ANDROID)
   void ScheduleWakeUpGpu();
   void DoWakeUpGpu();
 #endif
 
   // These objects manage channels to individual renderer processes. There is
   // one channel for each renderer process that has connected to this GPU
   // process.
   std::unordered_map<int32_t, std::unique_ptr<GpuChannel>> gpu_channels_;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
 
   const GpuPreferences gpu_preferences_;
   GpuDriverBugWorkarounds gpu_driver_bug_workarounds_;
 
   GpuChannelManagerDelegate* const delegate_;
 
   GpuWatchdogThread* watchdog_;
 
   scoped_refptr<gl::GLShareGroup> share_group_;
+
+  scoped_refptr<PreemptionFlag> preemption_flag_;
+
   scoped_refptr<gles2::MailboxManager> mailbox_manager_;
-  scoped_refptr<PreemptionFlag> preemption_flag_;
   GpuMemoryManager gpu_memory_manager_;
+  Scheduler* scheduler_;
   // SyncPointManager guaranteed to outlive running MessageLoop.
   SyncPointManager* sync_point_manager_;
   std::unique_ptr<gles2::ProgramCache> program_cache_;
   scoped_refptr<gles2::ShaderTranslatorCache> shader_translator_cache_;
   scoped_refptr<gles2::FramebufferCompletenessCache>
       framebuffer_completeness_cache_;
   scoped_refptr<gl::GLSurface> default_offscreen_surface_;
   GpuMemoryBufferFactory* const gpu_memory_buffer_factory_;
   GpuFeatureInfo gpu_feature_info_;
 #if defined(OS_ANDROID)
@@ skipping 14 matching lines @@
   // that any WeakPtrs to Controller are invalidated before its members
   // variable's destructors are executed, rendering them invalid.
   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_