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GLCOLORMASK()							 GLCOLORMASK()

NAME
       glColorMask  -  enable and disable writing of frame buffer color	compo-
       nents

C SPECIFICATION
       void glColorMask( GLboolean red,
			 GLboolean green,
			 GLboolean blue,
			 GLboolean alpha )

PARAMETERS
       red, green, blue, alpha
			     Specify whether red, green, blue, and  alpha  can
			     or	 cannot	be written into	the frame buffer.  The
			     initial values are	all GL_TRUE,  indicating  that
			     the color components can be written.

DESCRIPTION
       glColorMask  specifies  whether	the individual color components	in the
       frame buffer can	or cannot be written.  If red is GL_FALSE,  for	 exam-
       ple,  no	change is made to the red component of any pixel in any	of the
       color buffers, regardless of the	drawing	operation attempted.

       Changes to individual bits of components	cannot be controlled.  Rather,
       changes are either enabled or disabled for entire color components.

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

ASSOCIATED GETS
       glGet with argument GL_COLOR_WRITEMASK
       glGet with argument GL_RGBA_MODE

SEE ALSO
       glColor,	glColorPointer,	glDepthMask, glIndex, glIndexPointer, glIndex-
       Mask, glStencilMask

								 GLCOLORMASK()

NAME | C SPECIFICATION | PARAMETERS | DESCRIPTION | ERRORS | ASSOCIATED GETS | SEE ALSO

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