# VkPhysicalDeviceTileShadingPropertiesQCOM(3) Manual Page

## Name

VkPhysicalDeviceTileShadingPropertiesQCOM - Structure describing properties supported by VK_QCOM_tile_shading

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## C Specification

The `VkPhysicalDeviceTileShadingPropertiesQCOM` structure is defined as:

    // Provided by VK_QCOM_tile_shading
    typedef struct VkPhysicalDeviceTileShadingPropertiesQCOM {
        VkStructureType    sType;
        void*              pNext;
        uint32_t           maxApronSize;
        VkBool32           preferNonCoherent;
        VkExtent2D         tileGranularity;
        VkExtent2D         maxTileShadingRate;
    } VkPhysicalDeviceTileShadingPropertiesQCOM;

## Members

- `sType` is a VkStructureType value identifying this structure

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

- `maxApronSize` is the maximum value supported which can be specified for VkRenderPassTileShadingCreateInfoQCOM::`apronSize` or `width` and `height`.

- `preferNonCoherent` indicates that the implementation prefers tile attachments declared in shaders with the `NonCoherentTileAttachmentReadQCOM` decoration. Use of the decoration may offer performance or power advantages.

- `tileGranularity` provides a guarantee on the granularity of each tile. Each tile will have dimensions that are a multiple of this granularity in width and height.

- `maxTileShadingRate` is the maximum value of `TileShadingRateQCOM` and must be a power of 2.

## Description

If the `VkPhysicalDeviceTileShadingPropertiesQCOM` 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-VkPhysicalDeviceTileShadingPropertiesQCOM-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TILE_SHADING_PROPERTIES_QCOM`

## See Also

VK_QCOM_tile_shading, VkBool32, VkExtent2D, 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 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0