VkPhysicalDeviceBufferDeviceAddressFeatures

The VkPhysicalDeviceBufferDeviceAddressFeatures structure is defined as:

typedef struct VkPhysicalDeviceBufferDeviceAddressFeatures {
    VkStructureType sType;
    void* pNext;
    VkBool32 bufferDeviceAddress;
    VkBool32 bufferDeviceAddressCaptureReplay;
    VkBool32 bufferDeviceAddressMultiDevice;
} VkPhysicalDeviceBufferDeviceAddressFeatures;

or the equivalent

typedef VkPhysicalDeviceBufferDeviceAddressFeatures VkPhysicalDeviceBufferDeviceAddressFeaturesKHR;

This structure describes the following features:

• sType is a VkStructureType value identifying this structure.
• pNext is NULL 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 vkGetBufferDeviceAddress.
• bufferDeviceAddressCaptureReplay indicates that the implementation supports saving and reusing buffer and device addresses, e.g. for trace capture and replay.
• bufferDeviceAddressMultiDevice indicates that the implementation supports the bufferDeviceAddress , rayTracingPipeline and rayQuery features for logical devices created with multiple physical devices. If this feature is not supported, buffer and acceleration structure addresses must not be queried on a logical device created with more than one physical device.

See vkGetBufferDeviceAddress for more information.

If the VkPhysicalDeviceBufferDeviceAddressFeatures 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. If the application wishes to use a VkDevice with any features described by VkPhysicalDeviceBufferDeviceAddressFeatures, it must add an instance of the structure, with the desired feature members set to VK_TRUE, to the pNext chain of VkDeviceCreateInfo when creating the VkDevice.