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GLISPROGRAM(3G)			 OpenGL Manual		       GLISPROGRAM(3G)

NAME
       glIsProgram - Determines if a name corresponds to a program object

C SPECIFICATION
       GLboolean glIsProgram(GLuint program);

PARAMETERS
       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

SEE ALSO
       glAttachShader(), glBindAttribLocation(), glCreateProgram(),
       glDeleteProgram(), glDetachShader(), glLinkProgram(), glUniform(),
       glUseProgram(), glValidateProgram()

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		       GLISPROGRAM(3G)

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