turnip: subgroup operations
We're not filling out VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_PROPERTIES, causing test enumeration to be unstable. That struct requires some subgroup ops to be supported, which we don't do yet.
We're not filling out VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_PROPERTIES, causing test enumeration to be unstable. That struct requires some subgroup ops to be supported, which we don't do yet.