code: func PushDebugGroup(source uint32, id uint32, length int32, message *uint8) {
  	C.glowPushDebugGroup(gpPushDebugGroup, (C.GLenum)(source), (C.GLuint)(id), (C.GLsizei)(length), (*C.GLchar)(unsafe.Pointer(message)))
  }
docs: // push a named debug group into the command stream