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mojo/gles2/command_buffer_client_impl.h

Index: mojo/gles2/command_buffer_client_impl.h
diff --git a/mojo/gles2/command_buffer_client_impl.h b/mojo/gles2/command_buffer_client_impl.h
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+// Copyright 2014 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 MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_
+#define MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_
+
+#include <map>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "gpu/command_buffer/client/gpu_control.h"
+#include "gpu/command_buffer/common/command_buffer.h"
+#include "gpu/command_buffer/common/command_buffer_shared.h"
+#include "mojo/public/cpp/bindings/error_handler.h"
+#include "third_party/mojo_services/src/gpu/public/interfaces/command_buffer.mojom.h"
+
+namespace base {
+class RunLoop;
+}
+
+namespace gles2 {
+class CommandBufferClientImpl;
+
+class CommandBufferDelegate {
+ public:
+  virtual ~CommandBufferDelegate();
+  virtual void ContextLost();
+};
+
+class CommandBufferClientImpl : public mojo::CommandBufferLostContextObserver,
+                                public mojo::ErrorHandler,
+                                public gpu::CommandBuffer,
+                                public gpu::GpuControl {
+ public:
+  explicit CommandBufferClientImpl(
+      CommandBufferDelegate* delegate,
+      const MojoAsyncWaiter* async_waiter,
+      mojo::ScopedMessagePipeHandle command_buffer_handle);
+  ~CommandBufferClientImpl() override;
+
+  // CommandBuffer implementation:
+  bool Initialize() override;
+  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 shm_id) override;
+  scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size,
+                                                  int32_t* id) override;
+  void DestroyTransferBuffer(int32_t id) override;
+
+  // gpu::GpuControl implementation:
+  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 internalformat,
+                                     unsigned usage) override;
+  uint32 InsertSyncPoint() override;
+  uint32 InsertFutureSyncPoint() override;
+  void RetireSyncPoint(uint32 sync_point) override;
+  void SignalSyncPoint(uint32 sync_point,
+                       const base::Closure& callback) override;
+  void SignalQuery(uint32 query, const base::Closure& callback) override;
+  void SetSurfaceVisible(bool visible) override;
+  uint32 CreateStreamTexture(uint32 texture_id) override;
+  void SetLock(base::Lock*) override;
+
+ private:
+  class SyncClientImpl;
+  class SyncPointClientImpl;
+
+  // mojo::CommandBufferLostContextObserver implementation:
+  void DidLoseContext(int32_t lost_reason) override;
+
+  // mojo::ErrorHandler implementation:
+  void OnConnectionError() override;
+
+  void TryUpdateState();
+  void MakeProgressAndUpdateState();
+
+  gpu::CommandBufferSharedState* shared_state() const { return shared_state_; }
+
+  CommandBufferDelegate* delegate_;
+  mojo::Binding<mojo::CommandBufferLostContextObserver> observer_binding_;
+  mojo::CommandBufferPtr command_buffer_;
+  scoped_ptr<SyncClientImpl> sync_client_impl_;
+  scoped_ptr<SyncPointClientImpl> sync_point_client_impl_;
+
+  gpu::Capabilities capabilities_;
+  State last_state_;
+  mojo::ScopedSharedBufferHandle shared_state_handle_;
+  gpu::CommandBufferSharedState* shared_state_;
+  int32_t last_put_offset_;
+  int32_t next_transfer_buffer_id_;
+
+  const MojoAsyncWaiter* async_waiter_;
+};
+
+}  // gles2
+
+#endif  // MOJO_GLES2_COMMAND_BUFFER_CLIENT_IMPL_H_