New thunk system for Pepper proxy and implementation

ppapi/thunk/resource_creation_api.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_THUNK_RESOURCE_CREATION_API_H_
+#define PPAPI_THUNK_RESOURCE_CREATION_API_H_
+
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/ppb_image_data.h"
+#include "ppapi/proxy/interface_id.h"
+
+struct PP_Size;
+
+namespace ppapi {
+namespace thunk {
+
+// A functional API for creating resource types. Separating out the creation
+// functions here allows us to implement most resources as a pure "resource
+// API", meaning all calls are routed on a per-resource-object basis. The
+// creationg functions are not per-object (since there's no object during
+// creation) so need functional routing based on the instance ID.
+class ResourceCreationAPI {
+ public:
+  static const ::pp::proxy::InterfaceID interface_id =
+      ::pp::proxy::INTERFACE_ID_RESOURCE_CREATION;
+
+  virtual PP_Resource CreateGraphics2D(PP_Instance instance,
+                                       const PP_Size& size,
+                                       PP_Bool is_always_opaque) = 0;
+  virtual PP_Resource CreateImageData(PP_Instance instance,
+                                      PP_ImageDataFormat format,
+                                      const PP_Size& size,
+                                      PP_Bool init_to_zero) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_RESOURCE_CREATION_API_H_