VkPhysicalDeviceBufferDeviceAddressFeaturesEXT
The VkPhysicalDeviceBufferDeviceAddressFeaturesEXT
structure is
defined as:
typedef struct VkPhysicalDeviceBufferDeviceAddressFeaturesEXT {
VkStructureType sType;
void* pNext;
VkBool32 bufferDeviceAddress;
VkBool32 bufferDeviceAddressCaptureReplay;
VkBool32 bufferDeviceAddressMultiDevice;
} VkPhysicalDeviceBufferDeviceAddressFeaturesEXT;
typedef VkPhysicalDeviceBufferDeviceAddressFeaturesEXT VkPhysicalDeviceBufferAddressFeaturesEXT;
This structure describes the following features:
sType
is a VkStructureType value identifying this structure.pNext
isNULL
or a pointer to a structure extending this structure.-
bufferDeviceAddress
indicates that the implementation supports accessing buffer memory in shaders as storage buffers via an address queried from vkGetBufferDeviceAddressEXT. bufferDeviceAddressCaptureReplay
indicates that the implementation supports saving and reusing buffer addresses, e.g. for trace capture and replay.bufferDeviceAddressMultiDevice
indicates that the implementation supports thebufferDeviceAddress
feature for logical devices created with multiple physical devices. If this feature is not supported, buffer addresses must not be queried on a logical device created with more than one physical device.
If the VkPhysicalDeviceBufferDeviceAddressFeaturesEXT
structure is included in the pNext
chain of the
VkPhysicalDeviceFeatures2 structure passed to
vkGetPhysicalDeviceFeatures2, it is filled in to indicate whether each
corresponding feature is supported.
VkPhysicalDeviceBufferDeviceAddressFeaturesEXT
can also be used in the pNext
chain of
VkDeviceCreateInfo to selectively enable these features.
The VkPhysicalDeviceBufferDeviceAddressFeaturesEXT
structure has the
same members as the VkPhysicalDeviceBufferDeviceAddressFeatures
structure, but the functionality indicated by the members is expressed
differently.
The features indicated by the
VkPhysicalDeviceBufferDeviceAddressFeatures
structure requires
additional flags to be passed at memory allocation time, and the capture and
replay mechanism is built around opaque capture addresses for buffer and
memory objects.
Valid Usage (Implicit)
VUID-VkPhysicalDeviceBufferDeviceAddressFeaturesEXT-sType-sType
sType
must be VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_BUFFER_DEVICE_ADDRESS_FEATURES_EXT