diff --git a/opengl/libagl/primitives.h b/opengl/libagl/primitives.h
new file mode 100644
index 0000000..1bef604
--- /dev/null
+++ b/opengl/libagl/primitives.h
@@ -0,0 +1,37 @@
+/* libs/opengles/primitives.h
+**
+** Copyright 2006, 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_PRIMITIVES_H
+#define ANDROID_OPENGLES_PRIMITIVES_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <sys/types.h>
+
+
+namespace android {
+
+namespace gl {
+struct ogles_context_t;
+};
+
+void ogles_validate_primitives(ogles_context_t* c);
+
+}; // namespace android
+
+#endif // ANDROID_OPENGLES_PRIMITIVES_H
+