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interpolateAtCentroid

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 Shading Language Version
Function Name 1.10 1.20 1.30 1.40 1.50 3.30 4.00 4.10 4.20 4.30 4.40 4.50
interpolateAtCentroid - - - - - -
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