GLXQUERYCONTEXTINFOEXT - Online Linux Manual Page

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NAMEglXQueryContextInfoEXT − query context information

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C SPECIFICATIONint glXQueryContextInfoEXT( Display *dpy, GLXContext ctx, int attribute, int *value )

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PARAMETERSdpy  Specifies the connection to the X server. ctx  Specifies a GLX rendering context. attribute  The visual ID that the context was created with. value  The X screen the the context was created for. _param5  The context with which this context shares display lists. or NULL if this context does not share display lists.

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DESCRIPTIONglXQueryContextInfoEXT returns the the visual id, screen number, and share list of ctx. This call may cause a round trip to the server. glXQueryContextInfoEXT is part of the EXT_import_context extension, not part of the core GLX command set. If GLX_EXT_import_context is included in the string returned by glXQueryExtensionsString, when called with argument GLX_EXTENSIONS, extension EXT_import_context is supported.

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ERRORSGLXBadContext is generated if ctx does not refer to a valid context.

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SEE ALSOglXCreateContext, glXQueryVersion, glXQueryExtensionsString 0

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