wip(render): add some stubs for cmdbuf
wip(render): add some stubs for cmdbuf

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