consts
VK_MAX_DRIVER_NAME_SIZE
Maximum length of a physical device driver name string
VK_MAX_DRIVER_NAME_SIZE is the length in char values of an array
containing a driver name string, as returned in
VkPhysicalDeviceDriverProperties::driverName.
#define VK_MAX_DRIVER_NAME_SIZE 256
or the equivalent
#define VK_MAX_DRIVER_NAME_SIZE_KHR VK_MAX_DRIVER_NAME_SIZE