Signature
Parameters
| Variables | Description |
|---|---|
| program |
Specifies a potential program object.
|
Description
glIsProgram
returns
GL_TRUE
if
program
is the name of a program object previously created with
glCreateProgram
and not yet deleted with
glDeleteProgram
.
If
program
is zero or a non-zero value that
is not the name of a program object, or if an error occurs,
glIsProgram
returns
GL_FALSE
.
Notes
No error is generated if
program
is
not a valid program object name.
A program object marked for deletion with
glDeleteProgram
but still in use as part of current rendering state is still considered
a program object and
glIsProgram
will return
GL_TRUE
.
Associated Gets
glGet
with the argument
GL_CURRENT_PROGRAM
glGetActiveAttrib
with arguments
program
and the index of
an active attribute variable
glGetActiveUniform
with arguments
program
and the index of
an active uniform variable
glGetAttachedShaders
with argument
program
glGetAttribLocation
with arguments
program
and the name of an
attribute variable
glGetProgram
with arguments
program
and the parameter
to be queried
glGetProgramInfoLog
with argument
program
glGetUniform
with arguments
program
and the location
of a uniform variable
glGetUniformLocation
with arguments
program
and the name of a
uniform variable
Version Support
| glIsProgram |
See Also
Copyright
Copyright
2003-2005 3Dlabs Inc. Ltd.
Copyright
2010-2014 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/
.
Sample Code References
The following code samples have been found which appear to reference the functions described here. Take care that the code may be old, broken or not even use PyOpenGL.
glIsProgram