Revert of Refactor content/common/gpu into gpu/ipc/service

content/common/gpu/gpu_command_buffer_stub.h

Index: content/common/gpu/gpu_command_buffer_stub.h
diff --git a/content/common/gpu/gpu_command_buffer_stub.h b/content/common/gpu/gpu_command_buffer_stub.h
new file mode 100644
index 0000000000000000000000000000000000000000..58d32c358885a302d35db74b9e3c2343314e66fe
--- /dev/null
+++ b/content/common/gpu/gpu_command_buffer_stub.h
@@ -0,0 +1,286 @@
+// 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 CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
+#define CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <deque>
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
+#include "base/time/time.h"
+#include "content/common/content_export.h"
+#include "content/common/gpu/gpu_memory_manager.h"
+#include "gpu/command_buffer/common/command_buffer_id.h"
+#include "gpu/command_buffer/common/constants.h"
+#include "gpu/command_buffer/common/gpu_memory_allocation.h"
+#include "gpu/command_buffer/service/command_buffer_service.h"
+#include "gpu/command_buffer/service/command_executor.h"
+#include "gpu/command_buffer/service/context_group.h"
+#include "gpu/ipc/common/surface_handle.h"
+#include "ipc/ipc_listener.h"
+#include "ipc/ipc_sender.h"
+#include "ui/events/latency_info.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/gpu_memory_buffer.h"
+#include "ui/gfx/swap_result.h"
+#include "ui/gl/gl_surface.h"
+#include "ui/gl/gpu_preference.h"
+#include "url/gurl.h"
+
+namespace gpu {
+struct Mailbox;
+struct SyncToken;
+class SyncPointClient;
+class SyncPointManager;
+class ValueStateMap;
+namespace gles2 {
+class MailboxManager;
+class SubscriptionRefSet;
+}
+}
+
+struct GpuCommandBufferMsg_CreateImage_Params;
+
+namespace content {
+
+class GpuChannel;
+class GpuWatchdog;
+struct WaitForCommandState;
+
+class GpuCommandBufferStub
+    : public IPC::Listener,
+      public IPC::Sender,
+      public base::SupportsWeakPtr<GpuCommandBufferStub> {
+ public:
+  class DestructionObserver {
+   public:
+    // Called in Destroy(), before the context/surface are released.
+    virtual void OnWillDestroyStub() = 0;
+
+   protected:
+    virtual ~DestructionObserver() {}
+  };
+
+  typedef base::Callback<void(const std::vector<ui::LatencyInfo>&)>
+      LatencyInfoCallback;
+
+  GpuCommandBufferStub(
+      GpuChannel* channel,
+      gpu::SyncPointManager* sync_point_manager,
+      base::SingleThreadTaskRunner* task_runner,
+      GpuCommandBufferStub* share_group,
+      gpu::SurfaceHandle surface_handle,
+      gpu::gles2::MailboxManager* mailbox_manager,
+      gpu::PreemptionFlag* preempt_by_flag,
+      gpu::gles2::SubscriptionRefSet* subscription_ref_set,
+      gpu::ValueStateMap* pending_valuebuffer_state,
+      const gfx::Size& size,
+      const gpu::gles2::DisallowedFeatures& disallowed_features,
+      const std::vector<int32_t>& attribs,
+      gfx::GpuPreference gpu_preference,
+      int32_t stream_id,
+      int32_t route_id,
+      GpuWatchdog* watchdog,
+      const GURL& active_url);
+
+  ~GpuCommandBufferStub() override;
+
+  // IPC::Listener implementation:
+  bool OnMessageReceived(const IPC::Message& message) override;
+
+  // IPC::Sender implementation:
+  bool Send(IPC::Message* msg) override;
+
+  gpu::gles2::MemoryTracker* GetMemoryTracker() const;
+
+  // Whether this command buffer can currently handle IPC messages.
+  bool IsScheduled();
+
+  // Whether there are commands in the buffer that haven't been processed.
+  bool HasUnprocessedCommands();
+
+  gpu::gles2::GLES2Decoder* decoder() const { return decoder_.get(); }
+  gpu::CommandExecutor* scheduler() const { return executor_.get(); }
+  GpuChannel* channel() const { return channel_; }
+
+  // Unique command buffer ID for this command buffer stub.
+  gpu::CommandBufferId command_buffer_id() const { return command_buffer_id_; }
+
+  // Identifies the various GpuCommandBufferStubs in the GPU process belonging
+  // to the same renderer process.
+  int32_t route_id() const { return route_id_; }
+
+  // Identifies the stream for this command buffer.
+  int32_t stream_id() const { return stream_id_; }
+
+  gfx::GpuPreference gpu_preference() { return gpu_preference_; }
+
+  int32_t GetRequestedAttribute(int attr) const;
+
+  // Sends a message to the console.
+  void SendConsoleMessage(int32_t id, const std::string& message);
+
+  void SendCachedShader(const std::string& key, const std::string& shader);
+
+  gfx::GLSurface* surface() const { return surface_.get(); }
+
+  void AddDestructionObserver(DestructionObserver* observer);
+  void RemoveDestructionObserver(DestructionObserver* observer);
+
+  void SetLatencyInfoCallback(const LatencyInfoCallback& callback);
+
+  void MarkContextLost();
+
+  const gpu::gles2::FeatureInfo* GetFeatureInfo() const;
+
+  void SendSwapBuffersCompleted(
+      const std::vector<ui::LatencyInfo>& latency_info,
+      gfx::SwapResult result);
+  void SendUpdateVSyncParameters(base::TimeTicks timebase,
+                                 base::TimeDelta interval);
+
+ private:
+  GpuMemoryManager* GetMemoryManager() const;
+
+  void Destroy();
+
+  bool MakeCurrent();
+
+  // Cleans up and sends reply if OnInitialize failed.
+  void OnInitializeFailed(IPC::Message* reply_message);
+
+  scoped_refptr<gfx::GLSurface> CreateSurface();
+
+  // Message handlers:
+  void OnInitialize(base::SharedMemoryHandle shared_state_shm,
+                    IPC::Message* reply_message);
+  void OnSetGetBuffer(int32_t shm_id, IPC::Message* reply_message);
+  void OnProduceFrontBuffer(const gpu::Mailbox& mailbox);
+  void OnGetState(IPC::Message* reply_message);
+  void OnWaitForTokenInRange(int32_t start,
+                             int32_t end,
+                             IPC::Message* reply_message);
+  void OnWaitForGetOffsetInRange(int32_t start,
+                                 int32_t end,
+                                 IPC::Message* reply_message);
+  void OnAsyncFlush(int32_t put_offset,
+                    uint32_t flush_count,
+                    const std::vector<ui::LatencyInfo>& latency_info);
+  void OnRegisterTransferBuffer(int32_t id,
+                                base::SharedMemoryHandle transfer_buffer,
+                                uint32_t size);
+  void OnDestroyTransferBuffer(int32_t id);
+  void OnGetTransferBuffer(int32_t id, IPC::Message* reply_message);
+
+  void OnEnsureBackbuffer();
+
+  void OnSignalSyncToken(const gpu::SyncToken& sync_token, uint32_t id);
+  void OnSignalAck(uint32_t id);
+  void OnSignalQuery(uint32_t query, uint32_t id);
+
+  void OnFenceSyncRelease(uint64_t release);
+  bool OnWaitFenceSync(gpu::CommandBufferNamespace namespace_id,
+                       gpu::CommandBufferId command_buffer_id,
+                       uint64_t release);
+  void OnWaitFenceSyncCompleted(gpu::CommandBufferNamespace namespace_id,
+                                gpu::CommandBufferId command_buffer_id,
+                                uint64_t release);
+
+  void OnCreateImage(const GpuCommandBufferMsg_CreateImage_Params& params);
+  void OnDestroyImage(int32_t id);
+  void OnCreateStreamTexture(uint32_t texture_id,
+                             int32_t stream_id,
+                             bool* succeeded);
+
+  void OnCommandProcessed();
+  void OnParseError();
+  void OnSchedulingChanged(bool scheduled);
+
+  void ReportState();
+
+  // Wrapper for CommandExecutor::PutChanged that sets the crash report URL.
+  void PutChanged();
+
+  // Poll the command buffer to execute work.
+  void PollWork();
+  void PerformWork();
+
+  // 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);
+
+  bool CheckContextLost();
+  void CheckCompleteWaits();
+  void PullTextureUpdates(gpu::CommandBufferNamespace namespace_id,
+                          gpu::CommandBufferId command_buffer_id,
+                          uint32_t release);
+
+  // The lifetime of objects of this class is managed by a GpuChannel. The
+  // GpuChannels destroy all the GpuCommandBufferStubs that they own when they
+  // are destroyed. So a raw pointer is safe.
+  GpuChannel* const channel_;
+
+  // Outlives the stub.
+  gpu::SyncPointManager* const sync_point_manager_;
+
+  // Task runner for main thread.
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
+
+  // The group of contexts that share namespaces with this context.
+  scoped_refptr<gpu::gles2::ContextGroup> context_group_;
+
+  bool initialized_;
+  const gpu::SurfaceHandle surface_handle_;
+  gfx::Size initial_size_;
+  gpu::gles2::DisallowedFeatures disallowed_features_;
+  std::vector<int32_t> requested_attribs_;
+  gfx::GpuPreference gpu_preference_;
+  bool use_virtualized_gl_context_;
+  const gpu::CommandBufferId command_buffer_id_;
+  const int32_t stream_id_;
+  const int32_t route_id_;
+  uint32_t last_flush_count_;
+
+  scoped_ptr<gpu::CommandBufferService> command_buffer_;
+  scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
+  scoped_ptr<gpu::CommandExecutor> executor_;
+  scoped_ptr<gpu::SyncPointClient> sync_point_client_;
+  scoped_refptr<gfx::GLSurface> surface_;
+  gfx::GLSurface::Format surface_format_;
+
+  GpuWatchdog* watchdog_;
+
+  base::ObserverList<DestructionObserver> destruction_observers_;
+
+  bool waiting_for_sync_point_;
+
+  base::TimeTicks process_delayed_work_time_;
+  uint32_t previous_processed_num_;
+  base::TimeTicks last_idle_time_;
+
+  scoped_refptr<gpu::PreemptionFlag> preemption_flag_;
+
+  LatencyInfoCallback latency_info_callback_;
+
+  GURL active_url_;
+  size_t active_url_hash_;
+
+  scoped_ptr<WaitForCommandState> wait_for_token_;
+  scoped_ptr<WaitForCommandState> wait_for_get_offset_;
+
+  DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_