Expose Map/UnmapTexSubImage2DCHROMIUM to pepper plugins

webkit/plugins/ppapi/ppb_gles_chromium_texture_mapping_impl.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 "webkit/plugins/ppapi/ppb_gles_chromium_texture_mapping_impl.h"
+
+#include "gpu/command_buffer/client/gles2_implementation.h"
+#include "ppapi/c/dev/ppb_gles_chromium_texture_mapping_dev.h"
+#include "webkit/plugins/ppapi/ppb_context_3d_impl.h"
+
+namespace webkit {
+namespace ppapi {
+
+namespace {
+
+void* MapTexSubImage2DCHROMIUM(
+    PP_Resource context_id,
+    GLenum target,
+    GLint level,
+    GLint xoffset,
+    GLint yoffset,
+    GLsizei width,
+    GLsizei height,
+    GLenum format,
+    GLenum type,
+    GLenum access) {
+  scoped_refptr<PPB_Context3D_Impl> context =
+      Resource::GetAs<PPB_Context3D_Impl>(context_id);
+  return context->gles2_impl()->MapTexSubImage2DCHROMIUM(
+      target, level, xoffset, yoffset, width, height, format, type, access);
+}
+
+void UnmapTexSubImage2DCHROMIUM(PP_Resource context_id, const void* mem) {
+  scoped_refptr<PPB_Context3D_Impl> context =
+      Resource::GetAs<PPB_Context3D_Impl>(context_id);
+  context->gles2_impl()->UnmapTexSubImage2DCHROMIUM(mem);
+}
+
+const struct PPB_GLESChromiumTextureMapping_Dev ppb_gles_chromium_extension = {
+  &MapTexSubImage2DCHROMIUM,
+  &UnmapTexSubImage2DCHROMIUM
+};
+
+}  // namespace
+
+const PPB_GLESChromiumTextureMapping_Dev*
+PPB_GLESChromiumTextureMapping_Impl::GetInterface() {
+  return &ppb_gles_chromium_extension;
+}
+
+}  // namespace ppapi
+}  // namespace webkit
+