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GLGETPROGRAMINFOLOG(3G) 		  OpenGL Manual 		  GLGETPROGRAMINFOLOG(3G)

NAME
       glGetProgramInfoLog - Returns the information log for a program object

C SPECIFICATION
       void glGetProgramInfoLog(GLuint program, GLsizei maxLength, GLsizei *length,
				GLchar *infoLog);

PARAMETERS
       program
	   Specifies the program object whose information log is to be queried.

       maxLength
	   Specifies the size of the character buffer for storing the returned information log.

       length
	   Returns the length of the string returned in infoLog (excluding the null terminator).

       infoLog
	   Specifies an array of characters that is used to return the information log.

DESCRIPTION
       glGetProgramInfoLog returns the information log for the specified program object. The
       information log for a program object is modified when the program object is linked or
       validated. The string that is returned will be null terminated.

       glGetProgramInfoLog returns in infoLog as much of the information log as it can, up to a
       maximum of maxLength characters. The number of characters actually returned, excluding the
       null termination character, is specified by length. If the length of the returned string
       is not required, a value of NULL can be passed in the length argument. The size of the
       buffer required to store the returned information log can be obtained by calling
       glGetProgram() with the value GL_INFO_LOG_LENGTH.

       The information log for a program object is either an empty string, or a string containing
       information about the last link operation, or a string containing information about the
       last validation operation. It may contain diagnostic messages, warning messages, and other
       information. When a program object is created, its information log will be a string of
       length 0.

NOTES
       The information log for a program object is the OpenGL implementer's primary mechanism for
       conveying information about linking and validating. Therefore, the information log can be
       helpful to application developers during the development process, even when these
       operations are successful. Application developers should not expect different OpenGL
       implementations to produce identical information logs.

ERRORS
       GL_INVALID_VALUE is generated if program is not a value generated by OpenGL.

       GL_INVALID_OPERATION is generated if program is not a program object.

       GL_INVALID_VALUE is generated if maxLength is less than 0.

ASSOCIATED GETS
       glGetProgram() with argument GL_INFO_LOG_LENGTH

       glIsProgram()

SEE ALSO
       glCompileShader(), glGetShaderInfoLog(), glLinkProgram(), glValidateProgram()

COPYRIGHT
       Copyright (C) 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				    06/10/2014			  GLGETPROGRAMINFOLOG(3G)
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