radv/gfx10: allocate ESGS ring space for exporting PrimitiveID

Only VS needs that. We shouldn't hardcode these values but
that's complicated to not do that for now.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
1 file changed