# VkPhysicalDeviceFragmentShadingRateKHR(3) Manual Page

## Name

VkPhysicalDeviceFragmentShadingRateKHR - Structure returning information about sample count specific additional multisampling capabilities

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## C Specification

The `VkPhysicalDeviceFragmentShadingRateKHR` structure is defined as

    // Provided by VK_KHR_fragment_shading_rate
    typedef struct VkPhysicalDeviceFragmentShadingRateKHR {
        VkStructureType       sType;
        void*                 pNext;
        VkSampleCountFlags    sampleCounts;
        VkExtent2D            fragmentSize;
    } VkPhysicalDeviceFragmentShadingRateKHR;

## Members

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

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

- `sampleCounts` is a bitmask of sample counts for which the shading rate described by `fragmentSize` is supported.

- `fragmentSize` is a VkExtent2D describing the width and height of a supported shading rate.

## Description

Valid Usage (Implicit)

- VUID-VkPhysicalDeviceFragmentShadingRateKHR-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FRAGMENT_SHADING_RATE_KHR`

- VUID-VkPhysicalDeviceFragmentShadingRateKHR-pNext-pNext
  `pNext` must be `NULL`

## See Also

VK_KHR_fragment_shading_rate, VkExtent2D, VkSampleCountFlags, VkStructureType, vkGetPhysicalDeviceFragmentShadingRatesKHR

## 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