Re-land r92885, which was reverted in r92891.

ppapi/proxy/ppb_graphics_3d_proxy.h

+// Copyright (c) 2011 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 PPAPI_PROXY_PPB_GRAPHICS_3D_PROXY_H_
+#define PPAPI_PROXY_PPB_GRAPHICS_3D_PROXY_H_
+
+#include <vector>
+
+#include "base/shared_memory.h"
+#include "gpu/command_buffer/common/command_buffer.h"
+#include "ppapi/c/dev/pp_graphics_3d_dev.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/cpp/completion_callback.h"
+#include "ppapi/proxy/interface_proxy.h"
+#include "ppapi/proxy/plugin_resource.h"
+#include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
+#include "ppapi/shared_impl/graphics_3d_impl.h"
+
+namespace pp {
+namespace proxy {
+
+class HostResource;
+
+class Graphics3D : public PluginResource,
+                   public ppapi::Graphics3DImpl {
+ public:
+  explicit Graphics3D(const HostResource& resource);
+  virtual ~Graphics3D();
+
+  bool Init();
+
+  // PluginResource overrides.
+  virtual ::ppapi::thunk::PPB_Graphics3D_API* AsPPB_Graphics3D_API() OVERRIDE {
+    return this;
+  }
+
+  // Graphics3DTrusted API. These are not implemented in the proxy.
+  virtual PP_Bool InitCommandBuffer(int32_t size) OVERRIDE;
+  virtual PP_Bool GetRingBuffer(int* shm_handle, uint32_t* shm_size) OVERRIDE;
+  virtual PP_Graphics3DTrustedState GetState() OVERRIDE;
+  virtual PP_Bool Flush(int32_t put_offset) OVERRIDE;
+  virtual PP_Graphics3DTrustedState FlushSync(int32_t put_offset) OVERRIDE;
+  virtual int32_t CreateTransferBuffer(uint32_t size) OVERRIDE;
+  virtual PP_Bool DestroyTransferBuffer(int32_t id) OVERRIDE;
+  virtual PP_Bool GetTransferBuffer(int32_t id,
+                                    int* shm_handle,
+                                    uint32_t* shm_size) OVERRIDE;
+  virtual PP_Graphics3DTrustedState FlushSyncFast(
+      int32_t put_offset,
+      int32_t last_known_get) OVERRIDE;
+
+ protected:
+  // ppapi::Graphics3DImpl overrides.
+  virtual gpu::CommandBuffer* GetCommandBuffer() OVERRIDE;
+  virtual int32 DoSwapBuffers() OVERRIDE;
+
+ private:
+  scoped_ptr<gpu::CommandBuffer> command_buffer_;
+
+  DISALLOW_COPY_AND_ASSIGN(Graphics3D);
+};
+
+class PPB_Graphics3D_Proxy : public InterfaceProxy {
+ public:
+  PPB_Graphics3D_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  virtual ~PPB_Graphics3D_Proxy();
+
+  static const Info* GetInfo();
+
+  static PP_Resource CreateProxyResource(PP_Instance instance,
+                                         PP_Config3D_Dev config,
+                                         PP_Resource share_context,
+                                         const int32_t* attrib_list);
+
+  const PPB_Graphics3D_Dev* ppb_graphics_3d_target() const {
+    return static_cast<const PPB_Graphics3D_Dev*>(target_interface());
+  }
+
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+ private:
+  void OnMsgCreate(PP_Instance instance,
+                   PP_Config3D_Dev config,
+                   const std::vector<int32_t>& attribs,
+                   HostResource* result);
+  void OnMsgInitCommandBuffer(const HostResource& context,
+                              int32 size,
+                              base::SharedMemoryHandle* ring_buffer);
+  void OnMsgGetState(const HostResource& context,
+                     gpu::CommandBuffer::State* state);
+  void OnMsgFlush(const HostResource& context,
+                  int32 put_offset,
+                  int32 last_known_get,
+                  gpu::CommandBuffer::State* state);
+  void OnMsgAsyncFlush(const HostResource& context,
+                       int32 put_offset);
+  void OnMsgCreateTransferBuffer(const HostResource& context,
+                                 int32 size,
+                                 int32* id);
+  void OnMsgDestroyTransferBuffer(const HostResource& context,
+                                  int32 id);
+  void OnMsgGetTransferBuffer(const HostResource& context,
+                              int32 id,
+                              base::SharedMemoryHandle* transfer_buffer,
+                              uint32* size);
+  void OnMsgSwapBuffers(const HostResource& context);
+  // Renderer->plugin message handlers.
+  void OnMsgSwapBuffersACK(const HostResource& context, int32_t pp_error);
+
+  void SendSwapBuffersACKToPlugin(int32_t result,
+                                  const HostResource& context);
+
+  CompletionCallbackFactory<PPB_Graphics3D_Proxy,
+                            ProxyNonThreadSafeRefCount> callback_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Proxy);
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PROXY_PPB_GRAPHICS_3D_PROXY_H_
+