Added CommandBufferClient, CommandBufferStub and some IPC messages....

gpu/gpu_plugin/gpu_plugin_object.h

-// Copyright (c) 2006-2008 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_GPU_PLUGIN_GPU_PLUGIN_OBJECT_H_
-#define GPU_GPU_PLUGIN_GPU_PLUGIN_OBJECT_H_
-
-#include <string>
-
-#include "base/ref_counted.h"
-#include "base/thread.h"
-#include "gpu/command_buffer/common/command_buffer.h"
-#include "gpu/command_buffer/service/gpu_processor.h"
-#include "gpu/np_utils/default_np_object.h"
-#include "gpu/np_utils/np_dispatcher.h"
-#include "gpu/np_utils/np_headers.h"
-#include "gpu/np_utils/np_plugin_object.h"
-#include "gpu/np_utils/np_utils.h"
-
-namespace gpu_plugin {
-
-// The scriptable object for the GPU plugin.
-class GPUPluginObject : public np_utils::DefaultNPObject<NPObject>,
-                        public np_utils::PluginObject {
- public:
-  static const int32 kCommandBufferSize = 1024 * 1024;
-
-  enum Status {
-    // In the state of waiting for the named function to be called to continue
-    // the initialization sequence.
-    kWaitingForNew,
-    kWaitingForSetWindow,
-    kWaitingForOpenCommandBuffer,
-
-    // Initialization either succeeded or failed.
-    kInitializationSuccessful,
-    kInitializationFailed,
-
-    // Destroy has now been called and the plugin object cannot be used.
-    kDestroyed,
-  };
-
-  static const NPUTF8 kPluginType[];
-
-  explicit GPUPluginObject(NPP npp);
-
-  virtual NPError New(NPMIMEType plugin_type,
-                      int16 argc,
-                      char* argn[],
-                      char* argv[],
-                      NPSavedData* saved);
-
-  virtual NPError SetWindow(NPWindow* new_window);
-  const NPWindow& GetWindow() { return window_; }
-
-  virtual int16 HandleEvent(NPEvent* event);
-
-  virtual NPError Destroy(NPSavedData** saved);
-
-  virtual void Release();
-
-  virtual NPObject* GetScriptableNPObject();
-
-  // Returns the current initialization status. See Status enum.
-  int32 GetStatus() {
-    return status_;
-  }
-
-  // Get the width of the plugin window.
-  int32 GetWidth() {
-    return window_.width;
-  }
-
-  // Get the height of the plugin window.
-  int32 GetHeight() {
-    return window_.height;
-  }
-
-  // Set the object that receives notifications of GPU plugin object events
-  // such as resize and keyboard and mouse input.
-  void SetEventSync(np_utils::NPObjectPointer<NPObject> event_sync) {
-    event_sync_ = event_sync;
-  }
-
-  np_utils::NPObjectPointer<NPObject> GetEventSync() {
-    return event_sync_;
-  }
-
-  // Initializes and returns the command buffer object. Returns NULL if the
-  // command buffer cannot be initialized, for example if the plugin does not
-  // yet have a window handle.
-  command_buffer::CommandBuffer* OpenCommandBuffer();
-
-  // Set the status for testing.
-  void set_status(Status status) {
-    status_ = status;
-  }
-
-  // Replace the default command buffer for testing. Takes ownership.
-  void set_command_buffer(command_buffer::CommandBuffer*
-      command_buffer) {
-    command_buffer_.reset(command_buffer);
-  }
-
-  // Replace the default GPU processor for testing.
-  void set_gpu_processor(
-      const scoped_refptr<command_buffer::GPUProcessor>& processor) {
-    processor_ = processor;
-  }
-
-  NP_UTILS_BEGIN_DISPATCHER_CHAIN(GPUPluginObject, DefaultNPObject<NPObject>)
-    NP_UTILS_DISPATCHER(GetStatus, int32())
-    NP_UTILS_DISPATCHER(GetWidth, int32())
-    NP_UTILS_DISPATCHER(GetHeight, int32())
-    NP_UTILS_DISPATCHER(SetEventSync,
-        void(np_utils::NPObjectPointer<NPObject> sync))
-    NP_UTILS_DISPATCHER(GetEventSync, np_utils::NPObjectPointer<NPObject>())
-  NP_UTILS_END_DISPATCHER_CHAIN
-
- private:
-  NPError PlatformSpecificSetWindow(NPWindow* new_window);
-
-  NPP npp_;
-  Status status_;
-  NPWindow window_;
-  scoped_ptr<command_buffer::CommandBuffer> command_buffer_;
-  scoped_refptr<command_buffer::GPUProcessor> processor_;
-  np_utils::NPObjectPointer<NPObject> event_sync_;
-};
-
-}  // namespace gpu_plugin
-
-#endif  // GPU_GPU_PLUGIN_GPU_PLUGIN_OBJECT_H_