VkPhysicalDeviceOpticalFlowPropertiesNV

The VkPhysicalDeviceOpticalFlowPropertiesNV structure is defined as:

typedef struct VkPhysicalDeviceOpticalFlowPropertiesNV {
    VkStructureType sType;
    void* pNext;
    VkOpticalFlowGridSizeFlagsNV supportedOutputGridSizes;
    VkOpticalFlowGridSizeFlagsNV supportedHintGridSizes;
    VkBool32 hintSupported;
    VkBool32 costSupported;
    VkBool32 bidirectionalFlowSupported;
    VkBool32 globalFlowSupported;
    uint32_t minWidth;
    uint32_t minHeight;
    uint32_t maxWidth;
    uint32_t maxHeight;
    uint32_t maxNumRegionsOfInterest;
} VkPhysicalDeviceOpticalFlowPropertiesNV;

• sType is a VkStructureType value identifying this structure.
• pNext is NULL or a pointer to a structure extending this structure.
• supportedOutputGridSizes are the supported VkOpticalFlowGridSizeFlagsNV which can be specified in VkOpticalFlowSessionCreateInfoNV::outputGridSize.
• supportedHintGridSizes are the supported VkOpticalFlowGridSizeFlagsNV which can be specified in VkOpticalFlowSessionCreateInfoNV::hintGridSize.
• hintSupported is a boolean describing whether using hint flow vector map is supported in an optical flow session.
• costSupported is a boolean describing whether cost map generation is supported in an optical flow session.
• bidirectionalFlowSupported is a boolean describing whether bi-directional flow generation is supported in an optical flow session.
• globalFlowSupported is a boolean describing whether global flow vector map generation is supported in an optical flow session.
• minWidth is the minimum width in pixels for images used in an optical flow session.
• minHeight is the minimum height in pixels for images used in an optical flow session.
• maxWidth is the maximum width in pixels for images used in an optical flow session.
• maxHeight is the maximum height in pixels for images used in an optical flow session.
• maxNumRegionsOfInterest is the maximum number of regions of interest which can be used in an optical flow session. If this maxNumRegionsOfInterest is 0, regions of interest are not supported in an optical flow session.

If the VkPhysicalDeviceOpticalFlowPropertiesNV structure is included in the pNext chain of the VkPhysicalDeviceProperties2 structure passed to vkGetPhysicalDeviceProperties2, it is filled in with each corresponding implementation-dependent property.