interpolateAtCentroid - OpenGL ES 3.2 Reference Pages

## Name

interpolateAtCentroid — sample a varying at the centroid of a pixel

## Declaration

`float interpolateAtCentroid(` | float interpolant`)`;

`vec2 interpolateAtCentroid(` | vec2 interpolant`)`;

`vec3 interpolateAtCentroid(` | vec3 interpolant`)`;

`vec4 interpolateAtCentroid(` | vec4 interpolant`)`;

## Parameters

`interpolant`

  Specifies the interpolant to be sampled at the pixel centroid.

## Description

`interpolateAtCentroid` returns the value of the input varying `interpolant` sampled at a location inside both the pixel and the primitive being processed. The value obtained would be the value assigned to the input variable if declared with the `centroid` qualifier.

## Version Support

| OpenGL ES Shading Language Version
--- | ---
Function Name | 1.00 | 3.00 | 3.10 | 3.20
interpolateAtCentroid | - | - | - | ✔

## See Also

interpolateAtSample, interpolateAtOffset

## Copyright

Copyright © 2011-2015 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.