step — generate a step function by comparing two values
genType step( | genType edge, |
genType x) ; |
genType step( | float edge, |
genType x) ; |
genDType step( | genDType edge, |
genDType x) ; |
genDType step( | double edge, |
genDType x) ; |
edge
Specifies the location of the edge of the step function.
x
Specify the value to be used to generate the step function.
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.
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) | - | - | - | - | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
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. https://opencontent.org/openpub/.