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GLGETSHADER(3G) 			  OpenGL Manual 			  GLGETSHADER(3G)

NAME
       glGetShaderiv - Returns a parameter from a shader object

C SPECIFICATION
       void glGetShaderiv(GLuint shader, GLenum pname, GLint *params);

PARAMETERS
       shader
	   Specifies the shader object to be queried.

       pname
	   Specifies the object parameter. Accepted symbolic names are GL_SHADER_TYPE,
	   GL_DELETE_STATUS, GL_COMPILE_STATUS, GL_INFO_LOG_LENGTH, GL_SHADER_SOURCE_LENGTH.

       params
	   Returns the requested object parameter.

DESCRIPTION
       glGetShader returns in params the value of a parameter for a specific shader object. The
       following parameters are defined:

       GL_SHADER_TYPE
	   params returns GL_VERTEX_SHADER if shader is a vertex shader object,
	   GL_GEOMETRY_SHADER if shader is a geometry shader object, and GL_FRAGMENT_SHADER if
	   shader is a fragment shader object.

       GL_DELETE_STATUS
	   params returns GL_TRUE if shader is currently flagged for deletion, and GL_FALSE
	   otherwise.

       GL_COMPILE_STATUS
	   params returns GL_TRUE if the last compile operation on shader was successful, and
	   GL_FALSE otherwise.

       GL_INFO_LOG_LENGTH
	   params returns the number of characters in the information log for shader including
	   the null termination character (i.e., the size of the character buffer required to
	   store the information log). If shader has no information log, a value of 0 is
	   returned.

       GL_SHADER_SOURCE_LENGTH
	   params returns the length of the concatenation of the source strings that make up the
	   shader source for the shader, including the null termination character. (i.e., the
	   size of the character buffer required to store the shader source). If no source code
	   exists, 0 is returned.

NOTES
       If an error is generated, no change is made to the contents of params.

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

       GL_INVALID_OPERATION is generated if shader does not refer to a shader object.

       GL_INVALID_ENUM is generated if pname is not an accepted value.

ASSOCIATED GETS
       glGetShaderInfoLog() with argument shader

       glGetShaderSource() with argument shader

       glIsShader()

SEE ALSO
       glCompileShader(), glCreateShader(), glDeleteShader(), glGetProgram(), glShaderSource()

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				  GLGETSHADER(3G)
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