wip(shader): full vsm shader and in-progress std
wip(shader): full vsm shader and in-progress std

zenmumbler/libzm,stardazed/stardazed,stardazed/stardazed-tx,zenmumbler/libzm,zenmumbler/stardazed-tx,stardazed/stardazed-tx,zenmumbler/libzm,zenmumbler/stardazed-tx,zenmumbler/stardazed-tx,stardazed/stardazed,zenmumbler/libzm,stardazed/stardazed-tx,zenmumbler/stardazed-tx