Provided by: opengl-4-man-doc_1.0~svn33624-1_all
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 │ 1.10 │ 1.20 │ 1.30 │ 1.40 │ 1.50 │ 3.30 │ 4.00 │ 4.10 │ 4.20 │ 4.30 │ 4.40 │ 4.50 │ │Name │ │ │ │ │ │ │ │ │ │ │ │ │ ├───────────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┼──────┤ │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 [FIXME: source] 01/03/2018 STEP(3G)