zink: add a shader derivative lowering pass
spirv requires 32bit srcs and dests, so add some f2f conversions
cc: mesa-stable
fixes #5561 (closed)
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.
spirv requires 32bit srcs and dests, so add some f2f conversions
cc: mesa-stable
fixes #5561 (closed)