# VkSampleLocationEXT(3) Manual Page

## Name

VkSampleLocationEXT - Structure specifying the coordinates of a sample location

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## C Specification

The `VkSampleLocationEXT` structure is defined as:

    // Provided by VK_EXT_sample_locations
    typedef struct VkSampleLocationEXT {
        float    x;
        float    y;
    } VkSampleLocationEXT;

## Members

- `x` is the horizontal coordinate of the sample’s location.

- `y` is the vertical coordinate of the sample’s location.

## Description

The domain space of the sample location coordinates has an upper-left origin within the pixel in framebuffer space.

The values specified in a `VkSampleLocationEXT` structure are always clamped to the implementation-dependent sample location coordinate range [`sampleLocationCoordinateRange`[0],`sampleLocationCoordinateRange`[1]] that can be queried using VkPhysicalDeviceSampleLocationsPropertiesEXT.

## See Also

VK_EXT_sample_locations, VkSampleLocationsInfoEXT

## 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