glIsShader

Determines if a name corresponds to a shader object

Signature

glIsShader( GLuint ( shader ) )-> GLboolean
glIsShader( shader ) -> <class 'ctypes.c_ubyte'>

Parameters

VariablesDescription
shader
Specifies a potential shader object.

Description

glIsShader returns GL_TRUE if shader is the name of a shader object previously created with glCreateShader and not yet deleted with glDeleteShader . If shader is zero or a non-zero value that is not the name of a shader object, or if an error occurs, glIsShader returns GL_FALSE .

Notes

No error is generated if shader is not a valid shader object name.
A shader object marked for deletion with glDeleteShader but still attached to a program object is still considered a shader object and glIsShader will return GL_TRUE .

Associated Gets

glGetAttachedShaders with a valid program object
glGetShader with arguments shader and a parameter to be queried
glGetShaderInfoLog with argument object
glGetShaderSource with argument object

Version Support

glIsShader

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. .