nvk: Disable shaderStorageImageReadWithoutFormat pre-Maxwell.
On Kepler and earlier, image loads must get lowered based on the declared format, since we don't have a SULDP op.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
On Kepler and earlier, image loads must get lowered based on the declared format, since we don't have a SULDP op.