Implement proxy for 3d-related interfaces

ppapi/proxy/ppb_surface_3d_proxy.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 PPAPI_PPB_SURFACE_3D_PROXY_H_
+#define PPAPI_PPB_SURFACE_3D_PROXY_H_
+
+#include <vector>
+
+#include "ppapi/c/dev/pp_graphics_3d_dev.h"
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/cpp/completion_callback.h"
+#include "ppapi/proxy/interface_proxy.h"
+#include "ppapi/proxy/plugin_resource.h"
+#include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
+
+struct PPB_Surface3D_Dev;
+
+namespace pp {
+namespace proxy {
+
+class Context3D;
+class Surface3D : public PluginResource {
+ public:
+  explicit Surface3D(const HostResource& host_resource)
+      : PluginResource(host_resource),
+        resource_(0),
+        context_(NULL),
+        current_flush_callback_(PP_BlockUntilComplete()) {
+  }
+
+  // Resource overrides.
+  virtual Surface3D* AsSurface3D() { return this; }
+
+  bool is_flush_pending() const { return !!current_flush_callback_.func; }
+
+  PP_CompletionCallback current_flush_callback() const {
+    return current_flush_callback_;
+  }
+
+  void set_current_flush_callback(PP_CompletionCallback cb) {
+    current_flush_callback_ = cb;
+  }
+
+  void set_context(Context3D* context) {
+    context_ = context;
+  }
+
+  Context3D* context() const { return context_; }
+
+  void set_resource(PP_Resource resource) { resource_ = resource; }
+  PP_Resource resource() const { return resource_; }
+
+ private:
+  PP_Resource resource_;
+  Context3D* context_;
+  // In the plugin, this is the current callback set for Flushes. When the
+  // callback function pointer is non-NULL, we're waiting for a flush ACK.
+  PP_CompletionCallback current_flush_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(Surface3D);
+};
+
+class PPB_Surface3D_Proxy : public InterfaceProxy {
+ public:
+  PPB_Surface3D_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  virtual ~PPB_Surface3D_Proxy();
+
+  const PPB_Surface3D_Dev* ppb_surface_3d_target() const {
+    return reinterpret_cast<const PPB_Surface3D_Dev*>(target_interface());
+  }
+
+  // InterfaceProxy implementation.
+  virtual const void* GetSourceInterface() const;
+  virtual InterfaceID GetInterfaceId() const;
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+ private:
+  // Message handlers.
+  void OnMsgCreate(PP_Instance instance,
+                   PP_Config3D_Dev config,
+                   std::vector<int32_t> attribs,
+                   HostResource* result);
+  void OnMsgSwapBuffers(const HostResource& surface);
+  // Renderer->plugin message handlers.
+  void OnMsgSwapBuffersACK(const HostResource& surface, int32_t pp_error);
+
+  void SendSwapBuffersACKToPlugin(int32_t result,
+                                  const HostResource& surface_3d);
+
+  CompletionCallbackFactory<PPB_Surface3D_Proxy,
+                            ProxyNonThreadSafeRefCount> callback_factory_;
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PPB_SURFACE_3D_PROXY_H_