/** Unsafe version of {@link #glGetSubroutineIndex GetSubroutineIndex} */
 @JavadocExclude
 public static int nglGetSubroutineIndex(int program, int shadertype, long name) {
   long __functionAddress = getInstance().GetSubroutineIndex;
   if (LWJGLUtil.CHECKS) checkFunctionAddress(__functionAddress);
   return GL40.nglGetSubroutineIndex(program, shadertype, name, __functionAddress);
 }