anv/iris: support combined depth+stencil with external memory objects
This makes X-Plane 11 vulkan rendering backend to work with anv + iris!
FYI @shadeslayer and @hikiko , we need some fixes in i965 side to make it support this as well.
This makes X-Plane 11 vulkan rendering backend to work with anv + iris!
FYI @shadeslayer and @hikiko , we need some fixes in i965 side to make it support this as well.