Digital Equipment Corporation OpenGL man pages



  glClearIndex - specify the clear value for the color index buffers

C Specification

  void glClearIndex( GLfloat c )


  c  Specifies the index used when the color index buffers are cleared.	 The
     default value is zero.


  glClearIndex specifies the index used	by glClear to clear the	color index
  buffers.  c is not clamped.  Rather, c is converted to a fixed-point value
  with unspecified precision to	the right of the binary	point.	The integer
  part of this value is	then masked with 2m-1, where m is the number of	bits
  in a color index stored in the frame buffer.


  GL_INVALID_OPERATION is generated if glClearIndex is executed	between	the
  execution of glBegin and the corresponding execution of glEnd.

Associated Gets

  glGet	with argument GL_INDEX_CLEAR_VALUE
  glGet	with argument GL_INDEX_BITS

See Also


Introduction | Alphabetic | Specification

Last Edited: Fri Dec 6 11:18:03 EST 1996 by AFV
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