MSDN Library


The glDepthMask function enables or disables writing into the depth buffer.

void glDepthMask(
  GLboolean flag   


Specifies whether the depth buffer is enabled for writing. If flag is zero, depth-buffer writing is disabled. Otherwise, it is enabled. Initially, depth-buffer writing is enabled.


The following function retrieves information related to glDepthMask:

glGet with argument GL_DEPTH_WRITEMASK

Error Codes

The following is the error code generated and its condition.

Error code Condition
GL_INVALID_OPERATION glDepthMask was called between a call to glBegin and the corresponding call to glEnd.


  Windows NT/2000: Requires Windows NT 3.5 or later.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in Gl.h.
  Library: Use Opengl32.lib.

See Also

glBegin, glColorMask, glDepthFunc, glDepthRange, glEnd, glGet, glIndexMask, glStencilMask


Community Additions

© 2016 Microsoft