If I start any application which requires a depth buffer and runs itself in single-buffer mode
horizontal stripes are visible. The depth buffer is only partially deleted. This results in
The bug can be reproduced very easily. I have the MesaCVS sources. In the samples
directory, there is a prog called "depth". If you run "depth -db" all looks right. But if
it is run as "depth -sb" then the error gets visible.