ggggllllXXXXGGGGeeeettttCCCCoooonnnntttteeeexxxxttttIIIIDDDDEEEEXXXXTTTT returns the XID associated with a GLXContext.
No round trip is forced to the server; unlike most X calls that return a
value, ggggllllXXXXGGGGeeeettttCCCCoooonnnntttteeeexxxxttttIIIIDDDDEEEEXXXXTTTT does not flush any pending events.
ggggllllXXXXGGGGeeeettttCCCCoooonnnntttteeeexxxxttttIIIIDDDDEEEEXXXXTTTT is part of the EEEEXXXXTTTT____iiiimmmmppppoooorrrrtttt____ccccoooonnnntttteeeexxxxtttt extension, not part
of the core GLX command set. If GGGGLLLLXXXX____EEEEXXXXTTTT____iiiimmmmppppoooorrrrtttt____ccccoooonnnntttteeeexxxxtttt is included in the
string returned by ggggllllXXXXXXXXQQQQuuuueeeerrrryyyyEEEExxxxtttteeeennnnssssiiiioooonnnnssssSSSSttttrrrriiiinnnngggg, when called with argument
GGGGLLLLXXXX____EEEEXXXXTTTTEEEENNNNSSSSIIIIOOOONNNNSSSS, extension EEEEXXXXTTTT____iiiimmmmppppoooorrrrtttt____ccccoooonnnntttteeeexxxxtttt is supported.
EEEERRRRRRRROOOORRRRSSSS
GGGGLLLLXXXXBBBBaaaaddddCCCCoooonnnntttteeeexxxxtttt is generated if _g_c does not refer to a valid context.