# VkBufferConstraintsInfoFUCHSIA(3) Manual Page

## Name

VkBufferConstraintsInfoFUCHSIA - Structure buffer-based buffer collection constraints

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## C Specification

The `VkBufferConstraintsInfoFUCHSIA` structure is defined as:

    // Provided by VK_FUCHSIA_buffer_collection
    typedef struct VkBufferConstraintsInfoFUCHSIA {
        VkStructureType                             sType;
        const void*                                 pNext;
        VkBufferCreateInfo                          createInfo;
        VkFormatFeatureFlags                        requiredFormatFeatures;
        VkBufferCollectionConstraintsInfoFUCHSIA    bufferCollectionConstraints;
    } VkBufferConstraintsInfoFUCHSIA;

## Members

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

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

- `createInfo` a pointer to a VkBufferCreateInfo struct describing the buffer attributes for the buffer collection

- `requiredFormatFeatures` bitmask of `VkFormatFeatureFlagBits` required features of the buffers in the buffer collection

- `bufferCollectionConstraints` is used to supply parameters for the negotiation and allocation of the buffer collection

## Description

Valid Usage

- VUID-VkBufferConstraintsInfoFUCHSIA-requiredFormatFeatures-06404
  The `requiredFormatFeatures` bitmask of `VkFormatFeatureFlagBits` must be chosen from among the buffer compatible format features listed in buffer compatible format features

Valid Usage (Implicit)

- VUID-VkBufferConstraintsInfoFUCHSIA-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_BUFFER_CONSTRAINTS_INFO_FUCHSIA`

- VUID-VkBufferConstraintsInfoFUCHSIA-pNext-pNext
  `pNext` must be `NULL`

- VUID-VkBufferConstraintsInfoFUCHSIA-createInfo-parameter
  `createInfo` must be a valid VkBufferCreateInfo structure

- VUID-VkBufferConstraintsInfoFUCHSIA-requiredFormatFeatures-parameter
  `requiredFormatFeatures` must be a valid combination of VkFormatFeatureFlagBits values

- VUID-VkBufferConstraintsInfoFUCHSIA-bufferCollectionConstraints-parameter
  `bufferCollectionConstraints` must be a valid VkBufferCollectionConstraintsInfoFUCHSIA structure

## See Also

VK_FUCHSIA_buffer_collection, VkBufferCollectionConstraintsInfoFUCHSIA, VkBufferCreateInfo, VkFormatFeatureFlags, VkStructureType, vkSetBufferCollectionBufferConstraintsFUCHSIA

## 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