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37 lines
1.4 KiB
Text
37 lines
1.4 KiB
Text
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'''_glDepthMask:''' enable or disable writing into the depth buffer
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{{PageSyntax}}
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SUB _glDepthMask (BYVAL flag AS _UNSIGNED _BYTE)
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void '''_glDepthMask'''(GLboolean {{Parameter|flag}});
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; flag
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: Specifies whether the depth buffer is enabled for writing. If {{Parameter|flag}} is {{KW|_GL_FALSE}}, depth buffer writing is disabled. Otherwise, it is enabled. Initially, depth buffer writing is enabled.
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{{PageDescription}}
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'''_glDepthMask''' specifies whether the depth buffer is enabled for writing. If {{Parameter|flag}} is {{KW|_GL_FALSE}}, depth buffer writing is disabled. Otherwise, it is enabled. Initially, depth buffer writing is enabled.
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{{PageUseWith}}
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{{KW|_glGet}} with argument {{KW|_GL_DEPTH_WRITEMASK}}
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{{PageNotes}}
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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 {{KW|_GL_ALWAYS}} (see {{KW|_glDepthFunc}}).
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{{PageSeeAlso}}
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{{KW|_GL}}
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{{KW|_glColorMask}}, {{KW|_glClearBuffer}}, {{KW|_glDepthFunc}}, {{KW|_glDepthRange}}, {{KW|_glStencilMask}}
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{{PageCopyright}}
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Copyright 1991-2006 Silicon Graphics, Inc. Copyright 2012 Khronos Group. This document is licensed under the SGI Free Software B License. For details, see [http://oss.sgi.com/projects/FreeB/ http://oss.sgi.com/projects/FreeB/].
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