glGetShaderInfoLog - Returns the information log for a shader object
void glGetShaderInfoLog(GLuint shader,
Specifies the shader object whose information log is to
Specifies the size of the character buffer for storing
the returned information log.
Returns the length of the string returned in
infoLog (excluding the null terminator).
Specifies an array of characters that is used to return
the information log.
glGetShaderInfoLog returns the information log for the specified shader
object. The information log for a shader object is modified when the shader is
compiled. The string that is returned will be null terminated.
glGetShaderInfoLog 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 glGetShader()
with the value GL_INFO_LOG_LENGTH.
The information log for a shader object is a string that may
contain diagnostic messages, warning messages, and other information about
the last compile operation. When a shader object is created, its information
log will be a string of length 0.
The information log for a shader object is the OpenGL implementer's primary
mechanism for conveying information about the compilation process. Therefore,
the information log can be helpful to application developers during the
development process, even when compilation is successful. Application
developers should not expect different OpenGL implementations to produce
identical information logs.
GL_INVALID_VALUE is generated if shader is not a value generated
GL_INVALID_OPERATION is generated if shader is not a
GL_INVALID_VALUE is generated if maxLength is less
glGetShader() with argument GL_INFO_LOG_LENGTH
glCompileShader(), glGetProgramInfoLog(), glLinkProgram(),
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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.
Copyright © 2003-2005 3Dlabs Inc. Ltd.
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