The index passed to get_shared_memory_ptr is an attribute slot index,
i.e. the index of a vec4 within LDS. Therefore this must be scaled by
sizeof(vec4) to give the LDS byte offset.
Fixes: f4e499ec79 ("radv: add initial non-conformant radv vulkan driver")
Signed-off-by: Alex Smith <asmith@feralinteractive.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
CC: <mesa-stable@lists.freedesktop.org>