📄 xquerycontextinfoext.html
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<HTML><BODY><PRE> <STRONG>NAME</STRONG> <STRONG>glXQueryContextInfoEXT</STRONG> - query context information <STRONG>C</STRONG> <STRONG>SPECIFICATION</STRONG> int <STRONG>glXQueryContextInfoEXT</STRONG>( Display *<EM>dpy</EM>, GLXContext <EM>ctx</EM>, int <EM>attribute</EM>, int *<EM>value</EM> ) <STRONG>PARAMETERS</STRONG> <EM>dpy</EM> Specifies the connection to the X server. <EM>ctx</EM> Specifies a GLX rendering context. <EM>attribute</EM> The visual ID that the context was created with. <EM>value</EM> The X screen the the context was created for. _param5 The context with which this context shares display lists. or <STRONG>NULL</STRONG> if this context does not share display lists. <STRONG>DESCRIPTION</STRONG> <STRONG>glXQueryContextInfoEXT</STRONG> returns the the visual id, screen number, and share list of <EM>ctx</EM>. This call may cause a round trip to the server. <STRONG>glXQueryContextInfoEXT</STRONG> is part of the <STRONG>EXT_import_context</STRONG> extension, not part of the core GLX command set. If <STRONG>GLX_EXT_import_context</STRONG> is included in the string returned by <STRONG>glXQueryExtensionsString</STRONG>, when called with argument <STRONG>GLX_EXTENSIONS</STRONG>, extension <STRONG>EXT_import_context</STRONG> is supported. <STRONG>ERRORS</STRONG> <STRONG>GLXBadContext</STRONG> is generated if <EM>ctx</EM> does not refer to a valid context. <STRONG>SEE</STRONG> <STRONG>ALSO</STRONG> <STRONG>glXCreateContext</STRONG>, <STRONG>glXQueryVersion</STRONG>, <STRONG>glXQueryExtensionsString</STRONG></PRE></BODY></HTML>⌨️ 快捷键说明
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