I could fix the desktop cube by disabling mipmapping in the "Desktop Cube" options as well, so the bug report should probably be renamed to:
"Mipmapping breaks window content updating when using fglrx"
I could fix the desktop cube by disabling mipmapping in the "Desktop Cube" options as well, so the bug report should probably be renamed to:
"Mipmapping breaks window content updating when using fglrx"