diff --git a/opengl/libagl/dxt.h b/opengl/libagl/dxt.h
new file mode 100644
index 0000000..d95a36c
--- /dev/null
+++ b/opengl/libagl/dxt.h
@@ -0,0 +1,33 @@
+/* libs/opengles/dxt.h
+**
+** Copyright 2007, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#ifndef ANDROID_OPENGLES_TEXTURE_H
+#define ANDROID_OPENGLES_TEXTURE_H
+
+#include <stdlib.h>
+
+#include <GLES/gl.h>
+
+namespace android {
+
+  bool DXT1HasAlpha(const GLvoid *data, int width, int height);
+  void decodeDXT(const GLvoid *data, int width, int height,
+                 void *surface, int stride, int format);
+
+} // namespace android
+
+#endif // ANDROID_OPENGLES_TEXTURE_H