
when this is not set, this triggers shader and sampler state updates any time a sampler starts or stops using GL_CLAMP, applying bitmasks needed to run nir_lower_tex and setting CLAMP_TO_BORDER/CLAMP_TO_EDGE as necessary to mimic the behavior Reviewed-by: Eric Anholt <eric@anholt.net> Reviewed-by: Marek Olšák <marek.olsak@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8756>