VkPhysicalDeviceOpacityMicromapPropertiesEXT(3)

# VkPhysicalDeviceOpacityMicromapPropertiesEXT(3) Manual Page

## Name

VkPhysicalDeviceOpacityMicromapPropertiesEXT - Structure describing the opacity micromap properties of a physical device

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## C Specification

The `VkPhysicalDeviceOpacityMicromapPropertiesEXT` structure is defined as:

    // Provided by VK_EXT_opacity_micromap
    typedef struct VkPhysicalDeviceOpacityMicromapPropertiesEXT {
        VkStructureType    sType;
        void*              pNext;
        uint32_t           maxOpacity2StateSubdivisionLevel;
        uint32_t           maxOpacity4StateSubdivisionLevel;
    } VkPhysicalDeviceOpacityMicromapPropertiesEXT;

## Members

- `sType` is a VkStructureType value identifying this structure.

- `pNext` is `NULL` or a pointer to a structure extending this structure.

- `maxOpacity2StateSubdivisionLevel` is the maximum allowed `subdivisionLevel` when `format` is `VK_OPACITY_MICROMAP_FORMAT_2_STATE_EXT`

- `maxOpacity4StateSubdivisionLevel` is the maximum allowed `subdivisionLevel` when `format` is `VK_OPACITY_MICROMAP_FORMAT_4_STATE_EXT`

## Description

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

Valid Usage (Implicit)

- VUID-VkPhysicalDeviceOpacityMicromapPropertiesEXT-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_OPACITY_MICROMAP_PROPERTIES_EXT`

## See Also

VK_EXT_opacity_micromap, VkStructureType

## Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0