Here's what glxgears looks like when the "Tiling" line is commented out.
The artifacts are actually lines of pixels from the Firefox window I have open. Sometimes I can see entire portions of a web page in there. (I have no other windows open.)
Here's what glxgears looks like when the "Tiling" line is commented out.
The artifacts are actually lines of pixels from the Firefox window I have open. Sometimes I can see entire portions of a web page in there. (I have no other windows open.)