Pro tip #1: In order to make ZDoomGL run like molasses, put as many 2-sided lines in a scene as possible. As a case study, I shall take a map for the much delayed Crucified Dreams and show you screenshots of my findings. See below for visual evidence. Click the thumbnails to enlarge the scene.

As we can see, transparent areas of textures show white pixels instead of the scene behind the 2-sided line. There are noticeable white lines on the floor surface at the edge of polygon sectors. Oh and have I mentioned that this runs at less than 5fps on my machine? Most of my keyboard/mouse input was being ignored at the time too. It took pressing the Print Screen button 10 times until I finally got a screenshot taken.

Pro tip #2: Don’t run Crucified Dreams with ZDoomGL when it comes out.

Corollary: Timmie needs to stop working for the Evil Empire and fix the bloody ZDoomGL code!

Edit: GZDoom runs the scene properly and Timmie says the next version of ZDoomGL will be based off that code, so problem resolved! Now to try Risen3d…

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