# VkChromaLocation(3) Manual Page

## Name

VkChromaLocation - Position of downsampled chroma samples

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## C Specification

The VkChromaLocation enum defines the location of downsampled chroma component samples relative to the luma samples, and is defined as:

    // Provided by VK_VERSION_1_1
    typedef enum VkChromaLocation {
        VK_CHROMA_LOCATION_COSITED_EVEN = 0,
        VK_CHROMA_LOCATION_MIDPOINT = 1,
      // Provided by VK_KHR_sampler_ycbcr_conversion
        VK_CHROMA_LOCATION_COSITED_EVEN_KHR = VK_CHROMA_LOCATION_COSITED_EVEN,
      // Provided by VK_KHR_sampler_ycbcr_conversion
        VK_CHROMA_LOCATION_MIDPOINT_KHR = VK_CHROMA_LOCATION_MIDPOINT,
    } VkChromaLocation;

or the equivalent

    // Provided by VK_KHR_sampler_ycbcr_conversion
    typedef VkChromaLocation VkChromaLocationKHR;

## Description

- `VK_CHROMA_LOCATION_COSITED_EVEN` specifies that downsampled chroma samples are aligned with luma samples with even coordinates.

- `VK_CHROMA_LOCATION_MIDPOINT` specifies that downsampled chroma samples are located half way between each even luma sample and the nearest higher odd luma sample.

## See Also

VK_VERSION_1_1, VkAndroidHardwareBufferFormatProperties2ANDROID, VkAndroidHardwareBufferFormatPropertiesANDROID, VkBufferCollectionPropertiesFUCHSIA, VkPhysicalDeviceExternalFormatResolvePropertiesANDROID, VkSamplerYcbcrConversionCreateInfo, VkScreenBufferFormatPropertiesQNX

## 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 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0