Added infrastructure to run gpu demos under Pepper3D. Created a Demo class th...

gpu/demos/framework/plugin.h

+// 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.
+
+#ifndef GPU_DEMOS_FRAMEWORK_PLUGIN_H_
+#define GPU_DEMOS_FRAMEWORK_PLUGIN_H_
+
+#include "base/basictypes.h"
+#include "base/scoped_ptr.h"
+#include "gpu/demos/framework/demo.h"
+#include "gpu/pgl/pgl.h"
+#include "webkit/glue/plugins/nphostapi.h"
+
+namespace gpu {
+namespace demos {
+
+// Acts as a framework for pepper3d demos. It is in fact a pepper plugin with
+// a pepper3d device. It delegates all rendering tasks to demo object.
+class Plugin : public NPObject {
+ public:
+  explicit Plugin(NPP npp);
+  ~Plugin();
+
+  static NPClass* GetPluginClass();
+
+  NPP npp() const { return npp_; }
+  void New(NPMIMEType pluginType, int16 argc, char* argn[], char* argv[]);
+  void SetWindow(const NPWindow& window);
+
+  // Called by the browser to paint the window.
+  void Paint();
+
+ private:
+  // This class object needs to be safely casted to NPObject* and cross
+  // c-c++ module boundaries. To accomplish that this class should not have
+  // any virtual member function.
+  NPP npp_;
+
+  NPDevice* device3d_;
+  NPDeviceContext3D context3d_;
+  PGLContext pgl_context_;
+  scoped_ptr<Demo> demo_;
+
+  DISALLOW_COPY_AND_ASSIGN(Plugin);
+};
+
+extern NPNetscapeFuncs* g_browser;
+
+}  // namespace demos
+}  // namespace gpu
+#endif  // GPU_DEMOS_FRAMEWORK_PLUGIN_H_