STEP(3G)

NAME
step - generate a step function by comparing two values

DECLARATION

genType step(genType edge, genType x);

genType step(float edge, genType x);

genDType step(genDType edge, genDType x);

genDType step(double edge, genDType x);

PARAMETERS

edge
    Specifies the location of the edge of the step function.

x
    Specify the value to be used to generate the step function.

DESCRIPTION

step generates a step function by comparing x to edge.

For element i of the return value, 0.0 is returned if x[i] < edge[i], and 1.0 is returned otherwise.

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
step (genType) | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔
step (genDType) | - | - | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔

SEE ALSO

mix(), smoothstep()

COPYRIGHT

Copyright © 2011-2014 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/.

COPYRIGHT
Copyright © 2011-2014 Khronos Group