Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_graphics_3d.h

Index: ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_graphics_3d.h
===================================================================
--- ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_graphics_3d.h	(revision 0)
+++ ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_graphics_3d.h	(revision 0)
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2011 The Native Client 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 NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_GRAPHICS_3D_H_
+#define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_GRAPHICS_3D_H_
+
+#include "base/scoped_ptr.h"
+#include "native_client/src/include/nacl_macros.h"
+#include "native_client/src/shared/ppapi_proxy/plugin_resource.h"
+#include "ppapi/c/dev/pp_graphics_3d_dev.h"
+#include "ppapi/c/dev/ppb_graphics_3d_dev.h"
+#include "ppapi/c/dev/ppb_opengles_dev.h"
+#include "ppapi/c/pp_instance.h"
+
+namespace gpu {
+class CommandBuffer;
+namespace gles2 {
+class GLES2CmdHelper;
+class GLES2Implementation;
+}  // namespace gles2
+}  // namespace gpu
+
+namespace ppapi_proxy {
+
+// Implements the plugin (i.e., .nexe) side of the PPB_Graphics3D interface.
+class PluginGraphics3D : public PluginResource {
+ public:
+  PluginGraphics3D();
+  virtual ~PluginGraphics3D();
+
+  static const PPB_Graphics3D_Dev* GetInterface();
+  static const PPB_OpenGLES2_Dev* GetOpenGLESInterface();
+
+  virtual bool InitFromBrowserResource(PP_Resource graphics3d_id);
+
+  gpu::gles2::GLES2Implementation* impl() {
+    return gles2_implementation_.get();
+  }
+
+  int32_t SwapBuffers(PP_Resource graphics3d_id,
+                      struct PP_CompletionCallback callback);
+
+  PP_Instance instance_id() { return instance_id_; }
+  void set_instance_id(PP_Instance instance_id) { instance_id_ = instance_id; }
+
+  static inline gpu::gles2::GLES2Implementation* implFromResource(
+      PP_Resource graphics3d_id) {
+    if (cached_graphics3d_id == graphics3d_id && cached_implementation != NULL)
+      return cached_implementation;
+
+    return implFromResourceSlow(graphics3d_id);
+  }
+
+
+ private:
+  static __thread PP_Resource cached_graphics3d_id;
+  static __thread gpu::gles2::GLES2Implementation* cached_implementation;
+
+  // GLES2 Implementation objects.
+  scoped_ptr<gpu::CommandBuffer> command_buffer_;
+  scoped_ptr<gpu::gles2::GLES2Implementation> gles2_implementation_;
+  scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_;
+  PP_Instance instance_id_;
+
+  static gpu::gles2::GLES2Implementation* implFromResourceSlow(
+      PP_Resource context);
+
+  IMPLEMENT_RESOURCE(PluginGraphics3D);
+  NACL_DISALLOW_COPY_AND_ASSIGN(PluginGraphics3D);
+};
+
+}  // namespace ppapi_proxy
+
+#endif  // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_GRAPHICS_3D_H_