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

FunctionVersion 1.10Version 1.20Version 1.30Version 1.40Version 1.50Version 3.30Version 4.00Version 4.10Version 4.20Version 4.30
interpolateAtCentroid------YYYY

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/.