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CentOS 7.0 - man page for gldepthmask (centos section 3g)

GLDEPTHMASK(3G) 				    OpenGL Manual				      GLDEPTHMASK(3G)

NAME
glDepthMask - enable or disable writing into the depth buffer
C SPECIFICATION
void glDepthMask(GLboolean flag);
PARAMETERS
flag Specifies whether the depth buffer is enabled for writing. If flag is GL_FALSE, depth buffer writing is disabled. Otherwise, it is enabled. Initially, depth buffer writing is enabled.
DESCRIPTION
glDepthMask specifies whether the depth buffer is enabled for writing. If flag is GL_FALSE, depth buffer writing is disabled. Otherwise, it is enabled. Initially, depth buffer writing is enabled.
ASSOCIATED GETS
glGet() with argument GL_DEPTH_WRITEMASK
NOTES
Even if the depth buffer exists and the depth mask is non-zero, the depth buffer is not updated if the depth test is disabled. In order to unconditionally write to the depth buffer, the depth test should be enabled and set to GL_ALWAYS (see glDepthFunc()).
SEE ALSO
glColorMask(), glDepthFunc(), glDepthRange(), glStencilMask()
COPYRIGHT
Copyright (C) 1991-2006 Silicon Graphics, Inc. Copyright (C) 2012 Khronos Group. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.
AUTHORS
opengl.org opengl.org 06/10/2014 GLDEPTHMASK(3G)


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