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Linux and UNIX Man Pages

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RedHat 9 (Linux i386) - man page for glcolormask (redhat section 3g)

GLCOLORMASK(3G) 														   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 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
glClear(3G), glColor(3G), glColorPointer(3G), glDepthMask(3G), glIndex(3G), glIndexPointer(3G), glIndexMask(3G), glStencilMask(3G) GLCOLORMASK(3G)

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