# VkPhysicalDeviceASTCDecodeFeaturesEXT(3) Manual Page

## Name

VkPhysicalDeviceASTCDecodeFeaturesEXT - Structure describing ASTC decode mode features

## C Specification

The `VkPhysicalDeviceASTCDecodeFeaturesEXT` structure is defined as:

    typedef struct VkPhysicalDeviceASTCDecodeFeaturesEXT {
        VkStructureType    sType;
        void*              pNext;
        VkBool32           decodeModeSharedExponent;
    } VkPhysicalDeviceASTCDecodeFeaturesEXT;

## Members

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

## Description

- `decodeModeSharedExponent` indicates whether the implementation supports decoding ASTC compressed formats to `VK_FORMAT_E5B9G9R9_UFLOAT_PACK32` internal precision.

If the `VkPhysicalDeviceASTCDecodeFeaturesEXT` structure is included in the `pNext` chain of VkPhysicalDeviceFeatures2, it is filled with values indicating whether each feature is supported. `VkPhysicalDeviceASTCDecodeFeaturesEXT` can also be included in the `pNext` chain of vkCreateDevice to enable features.

Valid Usage (Implicit)

- `sType` must be `VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ASTC_DECODE_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 (c) 2014-2020 Khronos Group. This work is licensed under a Creative Commons Attribution 4.0 International License.