read pixels of MSAAx8 surface stretched horizontally/vertically
Submitted by Tim Rowley
Assigned to Nouveau Project
vtk ctest has many failures which appear to be caused by its selection of a MSAA visual and a missing resolve on the read pixels - the image it gets is stretched 4x horizontally and 2x vertically.
Tested with ubuntu-16.04 nouveau driver and a GeForce GTX 750 Ti (GM107).