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

gpu/gpu_plugin/gpu_plugin_object.cc

Index: gpu/gpu_plugin/gpu_plugin_object.cc
===================================================================
--- gpu/gpu_plugin/gpu_plugin_object.cc	(revision 34314)
+++ gpu/gpu_plugin/gpu_plugin_object.cc	(working copy)
@@ -1,123 +0,0 @@
-// 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.
-
-#include <stdlib.h>
-
-#include "base/logging.h"
-#include "gpu/command_buffer/service/command_buffer_service.h"
-#include "gpu/command_buffer/service/gpu_processor.h"
-#include "gpu/np_utils/np_utils.h"
-#include "gpu/gpu_plugin/gpu_plugin_object.h"
-
-using ::base::SharedMemory;
-using command_buffer::CommandBuffer;
-using command_buffer::CommandBufferService;
-using command_buffer::GPUProcessor;
-using np_utils::NPBrowser;
-using np_utils::NPObjectPointer;
-
-namespace gpu_plugin {
-
-const NPUTF8 GPUPluginObject::kPluginType[] =
-    "application/vnd.google.chrome.gpu-plugin";
-
-GPUPluginObject::GPUPluginObject(NPP npp)
-    : npp_(npp),
-      status_(kWaitingForNew),
-      command_buffer_(new CommandBufferService),
-      processor_(new GPUProcessor(command_buffer_.get())) {
-  memset(&window_, 0, sizeof(window_));
-}
-
-NPError GPUPluginObject::New(NPMIMEType plugin_type,
-                             int16 argc,
-                             char* argn[],
-                             char* argv[],
-                             NPSavedData* saved) {
-  if (status_ != kWaitingForNew)
-    return NPERR_GENERIC_ERROR;
-
-  status_ = kWaitingForSetWindow;
-
-  return NPERR_NO_ERROR;
-}
-
-NPError GPUPluginObject::SetWindow(NPWindow* new_window) {
-  if (status_ == kWaitingForNew || status_ == kDestroyed)
-    return NPERR_GENERIC_ERROR;
-
-  // PlatformSpecificSetWindow advances the status depending on what happens.
-  NPError error = PlatformSpecificSetWindow(new_window);
-  if (error == NPERR_NO_ERROR) {
-    window_ = *new_window;
-
-    if (event_sync_.Get()) {
-      NPInvokeVoid(npp_,
-                   event_sync_,
-                   "resize",
-                   static_cast<int32>(window_.width),
-                   static_cast<int32>(window_.height));
-    }
-  } else {
-    memset(&window_, 0, sizeof(window_));
-  }
-
-  return error;
-}
-
-int16 GPUPluginObject::HandleEvent(NPEvent* event) {
-  return 0;
-}
-
-NPError GPUPluginObject::Destroy(NPSavedData** saved) {
-  if (status_ == kWaitingForNew || status_ == kDestroyed)
-    return NPERR_GENERIC_ERROR;
-
-  if (command_buffer_.get()) {
-    command_buffer_->SetPutOffsetChangeCallback(NULL);
-  }
-
-  status_ = kDestroyed;
-
-  return NPERR_NO_ERROR;
-}
-
-void GPUPluginObject::Release() {
-  DCHECK(status_ == kWaitingForNew || status_ == kDestroyed);
-  NPBrowser::get()->ReleaseObject(this);
-}
-
-NPObject*GPUPluginObject::GetScriptableNPObject() {
-  NPBrowser::get()->RetainObject(this);
-  return this;
-}
-
-CommandBuffer* GPUPluginObject::OpenCommandBuffer() {
-  if (status_ == kInitializationSuccessful)
-    return command_buffer_.get();
-
-  // SetWindow must have been called before OpenCommandBuffer.
-  // PlatformSpecificSetWindow advances the status to
-  // kWaitingForOpenCommandBuffer.
-  if (status_ != kWaitingForOpenCommandBuffer)
-    return NULL;
-
-  scoped_ptr<SharedMemory> ring_buffer(new SharedMemory);
-  if (!ring_buffer->Create(std::wstring(), false, false, kCommandBufferSize))
-    return NULL;
-
-  if (command_buffer_->Initialize(ring_buffer.release())) {
-    if (processor_->Initialize(static_cast<HWND>(window_.window))) {
-      command_buffer_->SetPutOffsetChangeCallback(
-          NewCallback(processor_.get(),
-                      &GPUProcessor::ProcessCommands));
-      status_ = kInitializationSuccessful;
-      return command_buffer_.get();
-    }
-  }
-
-  return NULL;
-}
-
-}  // namespace gpu_plugin