'\" t
.\"     Title: glColorMask
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: 05/21/2015
.\"    Manual: [FIXME: manual]
.\"    Source: [FIXME: source]
.\"  Language: English
.\"
.TH "GLCOLORMASK" "3G" "05/21/2015" "[FIXME: source]" "[FIXME: manual]"
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.SH "NAME"
glColorMask,_glColorMaski \- enable and disable writing of frame buffer color components
.SH "C SPECIFICATION"
.HP \w'void\ glColorMask('u
.BI "void glColorMask(GLboolean\ " "red" ", GLboolean\ " "green" ", GLboolean\ " "blue" ", GLboolean\ " "alpha" ");"
.HP \w'void\ glColorMaski('u
.BI "void glColorMaski(GLuint\ " "buf" ", GLboolean\ " "red" ", GLboolean\ " "green" ", GLboolean\ " "blue" ", GLboolean\ " "alpha" ");"
.SH "PARAMETERS"
.PP
\fIbuf\fR
.RS 4
For
\fBglColorMaski\fR, specifies the index of the draw buffer whose color mask to set\&.
.RE
.PP
\fIred\fR, \fIgreen\fR, \fIblue\fR, \fIalpha\fR
.RS 4
Specify whether red, green, blue, and alpha are to be written into the frame buffer\&. The initial values are all
\fBGL_TRUE\fR, indicating that the color components are written\&.
.RE
.SH "DESCRIPTION"
.PP
\fBglColorMask\fR
and
\fBglColorMaski\fR
specify whether the individual color components in the frame buffer can or cannot be written\&.
\fBglColorMaski\fR
sets the mask for a specific draw buffer, whereas
\fBglColorMask\fR
sets the mask for all draw buffers\&. If
\fIred\fR
is
\fBGL_FALSE\fR, 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\&.
.PP
Changes to individual bits of components cannot be controlled\&. Rather, changes are either enabled or disabled for entire color components\&.
.SH "ASSOCIATED GETS"
.PP
\fBglGet\fR()
with argument
\fBGL_COLOR_WRITEMASK\fR
.SH "VERSION SUPPORT"
.TS
allbox tab(:);
lB cB s s s s s s s s s s s
lB cB cB cB cB cB cB cB cB cB cB cB cB.
T{

T}:T{
\fBOpenGL Version\fR
T}
T{
\fBFunction / Feature Name\fR
T}:T{
\fB2\&.0\fR
T}:T{
\fB2\&.1\fR
T}:T{
\fB3\&.0\fR
T}:T{
\fB3\&.1\fR
T}:T{
\fB3\&.2\fR
T}:T{
\fB3\&.3\fR
T}:T{
\fB4\&.0\fR
T}:T{
\fB4\&.1\fR
T}:T{
\fB4\&.2\fR
T}:T{
\fB4\&.3\fR
T}:T{
\fB4\&.4\fR
T}:T{
\fB4\&.5\fR
T}
.T&
l c c c c c c c c c c c c
l c c c c c c c c c c c c.
T{
\fBglColorMask\fR
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}
T{
\fBglColorMaski\fR
T}:T{
\-
T}:T{
\-
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
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✔
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✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}:T{
✔
T}
.TE
.sp
.SH "SEE ALSO"
.PP
\fBglClear\fR(),
\fBglDepthMask\fR(),
\fBglStencilMask\fR()
.SH "COPYRIGHT"
.PP
Copyright
\(co
1991\-2006 Silicon Graphics, Inc\&. Copyright
\(co
2010\-2014 Khronos Group\&. This document is licensed under the SGI Free Software B License\&. For details, see
\m[blue]\fBhttp://oss\&.sgi\&.com/projects/FreeB/\fR\m[]\&.
.SH "COPYRIGHT"
.br
Copyright \(co 1991-2006 Silicon Graphics, Inc.
.br
Copyright \(co 2010-2014 Khronos Group
.br