Calling OpenGL from the renderer process.

gpu/demos/framework/window.cc

 // Copyright (c) 2010 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 "gpu/demos/framework/window.h"
 
 #include "base/callback.h"
 #include "gpu/command_buffer/client/gles2_implementation.h"
 #include "gpu/command_buffer/client/gles2_lib.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
@@ skipping 32 matching lines @@
 
   demo_->InitWindowSize(width, height);
   return demo_->InitGL();
 }
 
 void Window::OnPaint() {
   demo_->Draw();
   ::gles2::GetGLContext()->SwapBuffers();
 }
 
+// TODO(apatrick): It looks like all the resources allocated here leak. We
+// should fix that if we want to use this Window class for anything beyond this
+// simple use case.
 bool Window::CreateRenderContext(gfx::PluginWindowHandle hwnd) {
   scoped_ptr<CommandBufferService> command_buffer(new CommandBufferService);
   if (!command_buffer->Initialize(kCommandBufferSize)) {
     return false;
   }
 
-  scoped_refptr<GPUProcessor> gpu_processor(
+  GPUProcessor* gpu_processor(
       new GPUProcessor(command_buffer.get()));
-  if (!gpu_processor->Initialize(hwnd)) {
+  if (!gpu_processor->Initialize(hwnd, NULL, gfx::Size(), 0)) {
     return false;
   }
 
   command_buffer->SetPutOffsetChangeCallback(
-      NewCallback(gpu_processor.get(), &GPUProcessor::ProcessCommands));
+      NewCallback(gpu_processor, &GPUProcessor::ProcessCommands));
 
   GLES2CmdHelper* helper = new GLES2CmdHelper(command_buffer.get());
   if (!helper->Initialize()) {
     // TODO(alokp): cleanup.
     return false;
   }
 
   int32 transfer_buffer_id =
       command_buffer->CreateTransferBuffer(kTransferBufferSize);
   Buffer transfer_buffer =
       command_buffer->GetTransferBuffer(transfer_buffer_id);
   if (transfer_buffer.ptr == NULL) return false;
 
   ::gles2::Initialize();
   ::gles2::SetGLContext(new GLES2Implementation(helper,
                                                 transfer_buffer.size,
                                                 transfer_buffer.ptr,
                                                 transfer_buffer_id));
   return command_buffer.release() != NULL;
 }
 
 }  // namespace demos
 }  // namespace gpu