VkPhysicalDevice4444FormatsFeaturesEXT(3)

# VkPhysicalDevice4444FormatsFeaturesEXT(3) Manual Page

## Name

VkPhysicalDevice4444FormatsFeaturesEXT - Structure describing additional 4444 formats supported by an implementation

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## C Specification

The `VkPhysicalDevice4444FormatsFeaturesEXT` structure is defined as:

    // Provided by VK_EXT_4444_formats
    typedef struct VkPhysicalDevice4444FormatsFeaturesEXT {
        VkStructureType    sType;
        void*              pNext;
        VkBool32           formatA4R4G4B4;
        VkBool32           formatA4B4G4R4;
    } VkPhysicalDevice4444FormatsFeaturesEXT;

## Members

The members of the `VkPhysicalDevice4444FormatsFeaturesEXT` structure describe the following features:

## Description

- `formatA4R4G4B4` indicates that the implementation must support using a VkFormat of `VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT` with at least the following VkFormatFeatureFlagBits:

  - `VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT`

  - `VK_FORMAT_FEATURE_BLIT_SRC_BIT`

  - `VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT`

- `formatA4B4G4R4` indicates that the implementation must support using a VkFormat of `VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT` with at least the following VkFormatFeatureFlagBits:

  - `VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT`

  - `VK_FORMAT_FEATURE_BLIT_SRC_BIT`

  - `VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT`

Valid Usage (Implicit)

- VUID-VkPhysicalDevice4444FormatsFeaturesEXT-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_4444_FORMATS_FEATURES_EXT`

## See Also

`VkBool32`, 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 2014-2021 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0