2011 Khronos Group
interpolateAtCentroid 3G
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

#VARTABLECOLS#
#FUNCTABLEHEADER#
interpolateAtCentroid#newin40#

## See Also

interpolateAtSample, interpolateAtOffset

## Copyright

Copyright 2011 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/.