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In the folder yes. I'm not sure if it will effect DP at all - but it was fixing the errors for Steam users and Opengl Quake - so it may work with the same concept.
OS: Windows 7 Home Premium 64-bit
Video card: ATi Radeon HD 5700 Series I recently got in 2011 because my NVidia GeForce which I got with my new-ish PC in 2008 which worked perfectly.
Problems: Quake and Quake II both get graphical bugs like odd colors and will not work with OpenGL, Quake 3 has stretch screen and there are times when high quality games start going slow (about 30 FPS) and freeze every 5 seconds.
Before I got my new PC in 2008 I used another ATi graphics card and the experience was awful.
The primary reason why is given in the linked thread:
(2) it's just the (arguably outdated) parts of OpenGL that most Quakeworld clients use that haven't been optimized in ATI's drivers
For QuakeWorld read "Quake" here.
No modern consumer-level (CAD is different) 3D card vendor is going to optimize immediate mode and/or the fixed pipeline beyond where they're currently at. They're as good as they're ever going to get, it's a done deal, and they're wasting their time and money doing it. The only perf gains to be had for this kind of rendering are from raw GPU muscle, and with today's extremely deep pipelines and extreme sensitivity to CPU/GPU parallelism those gains are going to be marginal at best.
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