glColorMask man page on Darwin
[printable version]
GLCOLORMASK(3G) OpenGL 3.3 GLCOLORMASK(3G)
NAME
glColorMask - enable and disable writing of frame buffer color
components
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 example,
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.
ASSOCIATED GETS
glGet() with argument GL_COLOR_WRITEMASK
SEE ALSO
glClear(), glDepthMask(), glStencilMask()
COPYRIGHT
Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed
under the SGI Free Software B License. For details, see
http://oss.sgi.com/projects/FreeB/.
OpenGL 3.3 03/08/2011 GLCOLORMASK(3G)
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