None works.
Copy filter to backing picture during validation.
Mark picture serialNumber when setting Filter or Transform so Validate
occurs.
Initialize xf86Screens[i]->pScreen to NULL so that RADEON driver doesn't
crash during server reset using old pScreen.
Fixed FreeType module to build with FreeType versions older than 2.1.7.
Fixed typo.
Added vtSema to protect call of driver DPMS function.
removed unneeded variable
Modified RandR driver hook to reduce the number of function calls to one.
Function is sufficiently generic to be extended in the future.