glGetProgramInfoLog - Returns the information log for a program object

glGetProgram() with argument GL_INFO_LOG_LENGTHglIsProgram()

voidglGetProgramInfoLog(GLuintprogram,GLsizeimaxLength,GLsizei*length,GLchar*infoLog);

       Copyright © 2003-2005 3Dlabs Inc. Ltd.
       Copyright © 2010-2014 Khronos Group

[FIXME: source]                                    11/18/2024                            GLGETPROGRAMINFOLOG(3G)

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.

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.

       glGetProgramInfoLog - Returns the information log for a program object

       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.

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.

glCompileShader(), glGetShaderInfoLog(), glLinkProgram(), glValidateProgram()

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       │                     │                OpenGLVersion                                         │
       ├─────────────────────┼─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┤
       │ Function            │ 2.0 │ 2.1 │ 3.0 │ 3.1 │ 3.2 │ 3.3 │ 4.0 │ 4.1 │ 4.2 │ 4.3 │ 4.4 │ 4.5 │
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       │ Name                │     │     │     │     │     │     │     │     │     │     │     │     │
       ├─────────────────────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
       │ glGetProgramInfoLog │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │
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