Function debugOutputRequested

pj_scene3D/widgets/src/gl/debug.cpp:100–106

}  // namespace

bool debugOutputRequested() {
#ifndef NDEBUG
  return true;
#else
  return qEnvironmentVariableIntValue("PJ_GL_DEBUG") != 0;
#endif
}

void installDebugCallback() {
  if (!debugOutputRequested()) {