glIsShader man page on RedHat
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GLISSHADER(3G) OpenGL Manual GLISSHADER(3G)
NAME
glIsShader - Determines if a name corresponds to a shader object
C SPECIFICATION
GLboolean glIsShader(GLuint shader);
PARAMETERS
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
SEE ALSO
glAttachShader(), glCompileShader(), glCreateShader(),
glDeleteShader(), glDetachShader(), glLinkProgram(), glShaderSource()
COPYRIGHT
Copyright © 2003-2005 3Dlabs Inc. Ltd. 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/.
AUTHORS
opengl.org
opengl.org 03/16/2013 GLISSHADER(3G)
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