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https://github.com/QB64-Phoenix-Edition/QB64pe.git
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6e01fc8dce
Added new _STRCMP and _STRICMP commands for quick string comparisons. Cleaned up QB64 to finish removing the QUI (quick user insert) code and folders. Altered UCASE and LCASE routines to be faster in some situations for us.
37 lines
1.4 KiB
Plaintext
37 lines
1.4 KiB
Plaintext
'''_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/]. |