gpu: Add support for GLX_EXT_texture_from_pixmap extension.

gpu/command_buffer/service/image_manager.cc

+// Copyright (c) 2012 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 "gpu/command_buffer/service/image_manager.h"
+
+#include "ui/gl/gl_image.h"
+
+namespace gpu {
+namespace gles2 {
+
+ImageManager::ImageManager() {
+}
+
+ImageManager::~ImageManager() {
+}
+
+void ImageManager::AddImage(
+    scoped_refptr<gfx::GLImage> image, int32 service_id) {
+  gl_images_[service_id] = image;
+}
+
+void ImageManager::RemoveImage(int32 service_id) {
+  gl_images_.erase(service_id);
+}
+
+scoped_refptr<gfx::GLImage> ImageManager::LookupImage(int32 service_id) {
+  GLImageMap::const_iterator iter = gl_images_.find(service_id);
+  if (iter != gl_images_.end())
+    return iter->second;
+
+  return NULL;
+}
+
+}  // namespace gles2
+}  // namespace gpu