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zer0synd1cate

Problems with Open-GL accelerated on GZDoom

Question

So recently I have been messing around with graphics options, and I decided to use the Open-GL renderer. At first it seemed fine, even running better than other renderers (my PC is a sandwich), but then I discovered problems. At certain angles, walls become distorted. I will show some pictures as examples...

 

Normal

Screenshot_Doom_20190330_100007.png.4cb1a28c8cee80b4aff9467714ea5b1b.png

 

Distorted

Screenshot_Doom_20190330_100006.png.d236338a8ff1739fdb8cc083e651674a.png

 

Normal

Screenshot_Doom_20190330_095852.png.b67db0f4f85af0f920c20671f1b6aa11.png

 

Distorted

Screenshot_Doom_20190330_095850.png.9ca6774440ccaefb41acdef71716c42a.png

 

Normal

Screenshot_Doom_20190330_095744.png.850440b99ef88ebe049dec0d64b0f288.png

 

Distorted

Screenshot_Doom_20190330_095739.png.e66fd8d7bf22fabca07e6b77b03e6072.png

 

I have more pictures, but I think you get the point. Anyways, this really annoys me. Does anyone know how to fix this?

 

Thanks,

-zer0

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It may be useful to know your graphics card model.

 

Also, the generic answer for this kind of problems is to update your graphics card driver (if you haven't already).

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If your PC is very old, have you tried the Vintage version of GZDoom? It's available on the ZDoom download page. It uses an older renderer that works on older hardware. The main GZDoom release uses OpenGL features that are comparatively modern, so can cause issues for older GPUs.

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4 minutes ago, Bauul said:

If your PC is very old, have you tried the Vintage version of GZDoom? It's available on the ZDoom download page. It uses an older renderer that works on older hardware. The main GZDoom release uses OpenGL features that are comparatively modern, so can cause issues for older GPUs.

will try this, thanks!

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The problem with hardware-accelerated rendering is that you're at the mercy of the hardware (and its drivers) working as expected. I'm pretty sure this issue isn't on the GZDoom side.

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