xf86-video-intel: Any 3D app is slow in resolution higher than 800x600 with UXA+DRI2

Vasily Khoruzhick anarsoul at gmail.com
Sun Jan 25 12:33:01 PST 2009


Hi, it seems I've found one more bug for gma950+uxa+dri2 configuration:

Any 3D application is _really_ slow if it runs in window with size higher than 
800x600.

Steps to reproduce:

1. Use gma950 hardware with xf86-video-intel from git and mesa from git, 
xorg-server-1.5.99.901, libdrm from git, 2.6.28 kernel + 6 patches
2. Download and install secret maryo chronicles (or any game you like that 
uses 3D)
3. Disable fullscreen mode and set resolution to 800x600 - game should run 
smoothly
4. Disable fullscreen mode and set resolution to 1024x768 (or higher) - game 
should became unplayable.

Same issue with compiz.

Regards
Vasily
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