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# docs.GL

OpenGL 4
OpenGL 3
OpenGL 2
OpenGL ES 3
OpenGL ES 2

# glDepthMask

## 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.

## Errors

`GL_INVALID_OPERATION` is generated if `glDepthMask` is executed between the execution of glBegin and the corresponding execution of glEnd.

## Associated Gets

glGet with argument `GL_DEPTH_WRITEMASK`

## Tutorials

## See Also

glColorMask, glDepthFunc, glDepthRange, glIndexMask, glStencilMask

## Copyright

Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see https://web.archive.org/web/20171022161616/http://oss.sgi.com/projects/FreeB/.

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