# VkTileMemoryRequirementsQCOM(3) Manual Page

## Name

VkTileMemoryRequirementsQCOM - Structure specifying tile memory requirements

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## C Specification

To determine the tile memory allocation requirements of a buffer or image resource, add a `VkTileMemoryRequirementsQCOM` structure to the `pNext` chain of the `VkMemoryRequirements2` structure passed as the `pMemoryRequirements` parameter of vkGetBufferMemoryRequirements2 or vkGetImageMemoryRequirements2, respectively. The `VkTileMemoryRequirementsQCOM` structure is defined as:

    // Provided by VK_QCOM_tile_memory_heap
    typedef struct VkTileMemoryRequirementsQCOM {
        VkStructureType    sType;
        void*              pNext;
        VkDeviceSize       size;
        VkDeviceSize       alignment;
    } VkTileMemoryRequirementsQCOM;

## Members

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

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

- `size` size is the size, in bytes, of the tile memory allocation required for the resource.

- `alignment` is the alignment, in bytes, of the offset within the tile memory allocation required for the resource.

## Description

The `size` and `alignment` must be used when the resource is bound to a VkDeviceMemory object that was allocated from a VkMemoryType that has a `heapIndex` that corresponds to a VkMemoryHeap with the `VK_MEMORY_HEAP_TILE_MEMORY_BIT_QCOM` property.

If the resource cannot be bound to tile memory, then `size` and `alignment` is filled with zero by the implementation.

Valid Usage (Implicit)

- VUID-VkTileMemoryRequirementsQCOM-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_TILE_MEMORY_REQUIREMENTS_QCOM`

## See Also

VK_QCOM_tile_memory_heap, VkDeviceSize, 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