gpu: Add support for GLX_EXT_texture_from_pixmap extension.

gpu/command_buffer/service/image_manager.h

+// 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.
+
+#ifndef GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
+#define GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
+
+#include "base/basictypes.h"
+#include "base/hash_tables.h"
+#include "base/memory/ref_counted.h"
+#include "gpu/gpu_export.h"
+
+namespace gfx {
+class GLImage;
+}
+
+namespace gpu {
+namespace gles2 {
+
+// Interface used by the cmd decoder to lookup images.
+class GPU_EXPORT ImageManager : public base::RefCounted<ImageManager> {
+ public:
+  ImageManager();
+
+  void AddImage(gfx::GLImage* gl_image, int32 service_id);
+  void RemoveImage(int32 service_id);
+  gfx::GLImage* LookupImage(int32 service_id);
+
+ private:
+  friend class base::RefCounted<ImageManager>;
+
+  ~ImageManager();
+
+  typedef base::hash_map<uint32, scoped_refptr<gfx::GLImage> > GLImageMap;
+  GLImageMap gl_images_;
+
+  DISALLOW_COPY_AND_ASSIGN(ImageManager);
+};
+
+}  // namespage gles2
+}  // namespace gpu
+
+#endif  // GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_