With a bit of testing, I found while in a fullscreen SDL game, the HUD jumped in front of it, while in a GLX implementation of the same game, the HUD still appeared, but it did not appear in front of the application.
With a bit of testing, I found while in a fullscreen SDL game, the HUD jumped in front of it, while in a GLX implementation of the same game, the HUD still appeared, but it did not appear in front of the application.