MSEgui failures with acclerated driver paths

Submitted by Julio Jiménez

Assigned to Xorg Project Team

There is garbage on screen with some stretched XRender pictures with radeon driver and enabled EXAPixmaps, see for example MSEide without xorg.conf

MSEgui uses stretched one pixel width or height pixmaps in order to draw linear color gradients.

If you add Option "EXAPixmaps" "off" in Section "Device" of xorg.conf display is OK but performance falls.

Same problem using NOUVEAU driver. I can't figure out how disable EXAPixmaps for nouveau driver.

Reproducible: Always

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