--- /dev/null
+#ifndef MSP_GL_EXT_TEXTURE3D_
+#define MSP_GL_EXT_TEXTURE3D_
+
+#include "extension.h"
+#include "gl.h"
+#include <GL/glext.h>
+
+namespace Msp {
+namespace GL {
+
+extern PFNGLTEXIMAGE3DPROC glTexImage3D;
+extern PFNGLTEXSUBIMAGE3DPROC glTexSubImage3D;
+
+extern Extension EXT_texture3D;
+
+} // namespace GL
+} // namespace Msp
+
+#endif