renderpass: lots of nullables with better checks
renderpass: lots of nullables with better checks

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