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ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd((((3333GGGG)))) OOOOppppeeeennnnGGGGLLLL RRRReeeeffffeeeerrrreeeennnncccceeee ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd((((3333GGGG)))) NNNNAAAAMMMMEEEE ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd - test whether a capability is enabled CCCC SSSSPPPPEEEECCCCIIIIFFFFIIIICCCCAAAATTTTIIIIOOOONNNN GLboolean ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd( GLenum _c_a_p ) PPPPAAAARRRRAAAAMMMMEEEETTTTEEEERRRRSSSS _c_a_p Specifies a symbolic constant indicating a GL capability. DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd returns GGGGLLLL____TTTTRRRRUUUUEEEE if _c_a_p is an enabled capability and returns GGGGLLLL____FFFFAAAALLLLSSSSEEEE otherwise. Initially all capabilities except GGGGLLLL____DDDDIIIITTTTHHHHEEEERRRR are disabled; GGGGLLLL____DDDDIIIITTTTHHHHEEEERRRR is initially enabled. The following capabilities are accepted for _c_a_p: ______________________________________________________________________________________________________________________________ CCCCoooonnnnssssttttaaaannnntttt SSSSeeeeeeee ______________________________________________________________________________________________________________________________ GGGGLLLL____AAAALLLLPPPPHHHHAAAA____TTTTEEEESSSSTTTT ggggllllAAAAllllpppphhhhaaaaFFFFuuuunnnncccc GGGGLLLL____AAAASSSSYYYYNNNNCCCC____DDDDRRRRAAAAWWWW____PPPPIIIIXXXXEEEELLLLSSSS____SSSSGGGGIIIIXXXX ggggllllDDDDrrrraaaawwwwPPPPiiiixxxxeeeellllssss GGGGLLLL____AAAASSSSYYYYNNNNCCCC____RRRREEEEAAAADDDD____PPPPIIIIXXXXEEEELLLLSSSS____SSSSGGGGIIIIXXXX ggggllllRRRReeeeaaaaddddPPPPiiiixxxxeeeellllssss GGGGLLLL____AAAASSSSYYYYNNNNCCCC____TTTTEEEEXXXX____IIIIMMMMAAAAGGGGEEEE____SSSSGGGGIIIIXXXX ggggllllTTTTeeeexxxxIIIImmmmaaaaggggeeee1111DDDD, ggggllllTTTTeeeexxxxIIIImmmmaaaaggggeeee2222DDDD, ggggllllTTTTeeeexxxxIIIImmmmaaaaggggeeee3333DDDD, ggggllllTTTTeeeexxxxSSSSuuuubbbbIIIImmmmaaaaggggeeee1111DDDD, ggggllllTTTTeeeexxxxSSSSuuuubbbbIIIImmmmaaaaggggeeee2222DDDD, ggggllllTTTTeeeexxxxSSSSuuuubbbbIIIImmmmaaaaggggeeee3333DDDD GGGGLLLL____AAAAUUUUTTTTOOOO____NNNNOOOORRRRMMMMAAAALLLL ggggllllEEEEvvvvaaaallllCCCCoooooooorrrrdddd GGGGLLLL____BBBBLLLLEEEENNNNDDDD ggggllllBBBBlllleeeennnnddddFFFFuuuunnnncccc, ggggllllLLLLooooggggiiiiccccOOOOpppp GGGGLLLL____CCCCLLLLIIIIPPPP____PPPPLLLLAAAANNNNEEEE_i ggggllllCCCClllliiiippppPPPPllllaaaannnneeee GGGGLLLL____CCCCOOOOLLLLOOOORRRR____AAAARRRRRRRRAAAAYYYY ggggllllCCCCoooolllloooorrrrPPPPooooiiiinnnntttteeeerrrr GGGGLLLL____CCCCOOOOLLLLOOOORRRR____LLLLOOOOGGGGIIIICCCC____OOOOPPPP ggggllllLLLLooooggggiiiiccccOOOOpppp GGGGLLLL____CCCCOOOOLLLLOOOORRRR____MMMMAAAATTTTEEEERRRRIIIIAAAALLLL ggggllllCCCCoooolllloooorrrrMMMMaaaatttteeeerrrriiiiaaaallll GGGGLLLL____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE ggggllllCCCCoooolllloooorrrrTTTTaaaabbbblllleeee GGGGLLLL____CCCCOOOONNNNVVVVOOOOLLLLUUUUTTTTIIIIOOOONNNN____1111DDDD ggggllllCCCCoooonnnnvvvvoooolllluuuuttttiiiioooonnnnFFFFiiiilllltttteeeerrrr1111DDDD GGGGLLLL____CCCCOOOONNNNVVVVOOOOLLLLUUUUTTTTIIIIOOOONNNN____2222DDDD ggggllllCCCCoooonnnnvvvvoooolllluuuuttttiiiioooonnnnFFFFiiiilllltttteeeerrrr2222DDDD GGGGLLLL____CCCCUUUULLLLLLLL____FFFFAAAACCCCEEEE ggggllllCCCCuuuullllllllFFFFaaaacccceeee GGGGLLLL____DDDDEEEEPPPPTTTTHHHH____TTTTEEEESSSSTTTT ggggllllDDDDeeeepppptttthhhhFFFFuuuunnnncccc, ggggllllDDDDeeeepppptttthhhhRRRRaaaannnnggggeeee GGGGLLLL____DDDDIIIITTTTHHHHEEEERRRR ggggllllEEEEnnnnaaaabbbblllleeee GGGGLLLL____EEEEDDDDGGGGEEEE____FFFFLLLLAAAAGGGG____AAAARRRRRRRRAAAAYYYY ggggllllEEEEddddggggeeeeFFFFllllaaaaggggPPPPooooiiiinnnntttteeeerrrr GGGGLLLL____FFFFOOOOGGGG ggggllllFFFFoooogggg GGGGLLLL____FFFFOOOOGGGG____OOOOFFFFFFFFSSSSEEEETTTT____SSSSGGGGIIIIXXXX ggggllllFFFFoooogggg GGGGLLLL____FFFFRRRRAAAAGGGGMMMMEEEENNNNTTTT____LLLLIIIIGGGGHHHHTTTT_i____SSSSGGGGIIIIXXXX ggggllllFFFFrrrraaaaggggmmmmeeeennnnttttLLLLiiiigggghhhhttttMMMMooooddddeeeellll, ggggllllFFFFrrrraaaaggggmmmmeeeennnnttttLLLLiiiigggghhhhtttt GGGGLLLL____FFFFRRRRAAAAGGGGMMMMEEEENNNNTTTT____LLLLIIIIGGGGHHHHTTTTIIIINNNNGGGG____SSSSGGGGIIIIXXXX ggggllllFFFFrrrraaaaggggmmmmeeeennnnttttMMMMaaaatttteeeerrrriiiiaaaallll, ggggllllFFFFrrrraaaaggggmmmmeeeennnnttttLLLLiiiigggghhhhttttMMMMooooddddeeeellll, ggggllllFFFFrrrraaaaggggmmmmeeeennnnttttLLLLiiiigggghhhhtttt GGGGLLLL____HHHHIIIISSSSTTTTOOOOGGGGRRRRAAAAMMMM ggggllllHHHHiiiissssttttooooggggrrrraaaammmm GGGGLLLL____IIIINNNNDDDDEEEEXXXX____AAAARRRRRRRRAAAAYYYY ggggllllIIIInnnnddddeeeexxxxPPPPooooiiiinnnntttteeeerrrr GGGGLLLL____IIIINNNNDDDDEEEEXXXX____LLLLOOOOGGGGIIIICCCC____OOOOPPPP ggggllllLLLLooooggggiiiiccccOOOOpppp GGGGLLLL____IIIINNNNTTTTEEEERRRRLLLLAAAACCCCEEEE____SSSSGGGGIIIIXXXX ggggllllDDDDrrrraaaawwwwPPPPiiiixxxxeeeellllssss, ggggllllTTTTeeeexxxxIIIImmmmaaaaggggeeee2222DDDD, ggggllllTTTTeeeexxxxSSSSuuuubbbbIIIImmmmaaaaggggeeee2222DDDD, ggggllllCCCCooooppppyyyyPPPPiiiixxxxeeeellllssss, ggggllllCCCCooooppppyyyyTTTTeeeexxxxSSSSuuuubbbbIIIImmmmaaaaggggeeee2222DDDD GGGGLLLL____IIIINNNNTTTTEEEERRRRLLLLAAAACCCCEEEE____RRRREEEEAAAADDDD____IIIINNNNGGGGRRRR ggggllllRRRReeeeaaaaddddPPPPiiiixxxxeeeellllssss, ggggllllCCCCooooppppyyyyPPPPiiiixxxxeeeellllssss, ggggllllCCCCooooppppyyyyTTTTeeeexxxxSSSSuuuubbbbIIIImmmmaaaaggggeeee2222DDDDEEEEXXXXTTTT GGGGLLLL____IIIIRRRR____IIIINNNNSSSSTTTTRRRRUUUUMMMMEEEENNNNTTTT1111____SSSSGGGGIIIIXXXX ggggllllIIIInnnnssssttttrrrruuuummmmeeeennnnttttssssBBBBuuuuffffffffeeeerrrrSSSSGGGGIIIIXXXX GGGGLLLL____LLLLIIIIGGGGHHHHTTTT_i ggggllllLLLLiiiigggghhhhttttMMMMooooddddeeeellll, ggggllllLLLLiiiigggghhhhtttt GGGGLLLL____LLLLIIIIGGGGHHHHTTTTIIIINNNNGGGG ggggllllMMMMaaaatttteeeerrrriiiiaaaallll, ggggllllLLLLiiiigggghhhhttttMMMMooooddddeeeellll, ggggllllLLLLiiiigggghhhhtttt GGGGLLLL____LLLLIIIINNNNEEEE____SSSSMMMMOOOOOOOOTTTTHHHH ggggllllLLLLiiiinnnneeeeWWWWiiiiddddtttthhhh PPPPaaaaggggeeee 1111 ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd((((3333GGGG)))) OOOOppppeeeennnnGGGGLLLL RRRReeeeffffeeeerrrreeeennnncccceeee ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd((((3333GGGG)))) GGGGLLLL____LLLLIIIINNNNEEEE____SSSSTTTTIIIIPPPPPPPPLLLLEEEE ggggllllLLLLiiiinnnneeeeSSSSttttiiiipppppppplllleeee GGGGLLLL____LLLLOOOOGGGGIIIICCCC____OOOOPPPP ggggllllLLLLooooggggiiiiccccOOOOpppp GGGGLLLL____MMMMAAAAPPPP1111____CCCCOOOOLLLLOOOORRRR____4444 ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP1111____IIIINNNNDDDDEEEEXXXX ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP1111____NNNNOOOORRRRMMMMAAAALLLL ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP1111____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____1111 ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP1111____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____2222 ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP1111____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____3333 ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP1111____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____4444 ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP1111____VVVVEEEERRRRTTTTEEEEXXXX____3333 ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP1111____VVVVEEEERRRRTTTTEEEEXXXX____4444 ggggllllMMMMaaaapppp1111 GGGGLLLL____MMMMAAAAPPPP2222____CCCCOOOOLLLLOOOORRRR____4444 ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMAAAAPPPP2222____IIIINNNNDDDDEEEEXXXX ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMAAAAPPPP2222____NNNNOOOORRRRMMMMAAAALLLL ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMAAAAPPPP2222____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____1111 ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMAAAAPPPP2222____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____2222 ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMAAAAPPPP2222____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____3333 ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMAAAAPPPP2222____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____4444 ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMAAAAPPPP2222____VVVVEEEERRRRTTTTEEEEXXXX____3333 ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMAAAAPPPP2222____VVVVEEEERRRRTTTTEEEEXXXX____4444 ggggllllMMMMaaaapppp2222 GGGGLLLL____MMMMIIIINNNNMMMMAAAAXXXX ggggllllMMMMiiiinnnnmmmmaaaaxxxx GGGGLLLL____NNNNOOOORRRRMMMMAAAALLLL____AAAARRRRRRRRAAAAYYYY ggggllllNNNNoooorrrrmmmmaaaallllPPPPooooiiiinnnntttteeeerrrr GGGGLLLL____NNNNOOOORRRRMMMMAAAALLLLIIIIZZZZEEEE ggggllllNNNNoooorrrrmmmmaaaallll GGGGLLLL____PPPPIIIIXXXXEEEELLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____SSSSGGGGIIIISSSS ggggllllPPPPiiiixxxxeeeellllTTTTeeeexxxxGGGGeeeennnnPPPPaaaarrrraaaammmmeeeetttteeeerrrrSSSSGGGGIIIISSSS GGGGLLLL____PPPPOOOOIIIINNNNTTTT____SSSSMMMMOOOOOOOOTTTTHHHH ggggllllPPPPooooiiiinnnnttttSSSSiiiizzzzeeee GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____SSSSMMMMOOOOOOOOTTTTHHHH ggggllllPPPPoooollllyyyyggggoooonnnnMMMMooooddddeeee GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____OOOOFFFFFFFFSSSSEEEETTTT____EEEEXXXXTTTT ggggllllPPPPoooollllyyyyggggoooonnnnOOOOffffffffsssseeeettttEEEEXXXXTTTT GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____OOOOFFFFFFFFSSSSEEEETTTT____FFFFIIIILLLLLLLL ggggllllPPPPoooollllyyyyggggoooonnnnOOOOffffffffsssseeeetttt GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____OOOOFFFFFFFFSSSSEEEETTTT____LLLLIIIINNNNEEEE ggggllllPPPPoooollllyyyyggggoooonnnnOOOOffffffffsssseeeetttt GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____OOOOFFFFFFFFSSSSEEEETTTT____PPPPOOOOIIIINNNNTTTT ggggllllPPPPoooollllyyyyggggoooonnnnOOOOffffffffsssseeeetttt GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____SSSSMMMMOOOOOOOOTTTTHHHH ggggllllPPPPoooollllyyyyggggoooonnnnMMMMooooddddeeee GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____SSSSTTTTIIIIPPPPPPPPLLLLEEEE ggggllllPPPPoooollllyyyyggggoooonnnnSSSSttttiiiipppppppplllleeee GGGGLLLL____PPPPOOOOSSSSTTTT____CCCCOOOOLLLLOOOORRRR____MMMMAAAATTTTRRRRIIIIXXXX____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE ggggllllCCCCoooolllloooorrrrTTTTaaaabbbblllleeee GGGGLLLL____PPPPOOOOSSSSTTTT____CCCCOOOONNNNVVVVOOOOLLLLUUUUTTTTIIIIOOOONNNN____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE ggggllllCCCCoooolllloooorrrrTTTTaaaabbbblllleeee GGGGLLLL____RRRREEEEFFFFEEEERRRREEEENNNNCCCCEEEE____PPPPLLLLAAAANNNNEEEE____SSSSGGGGIIIIXXXX ggggllllRRRReeeeffffeeeerrrreeeennnncccceeeePPPPllllaaaannnneeeeSSSSGGGGIIIIXXXX GGGGLLLL____RRRREEEESSSSCCCCAAAALLLLEEEE____NNNNOOOORRRRMMMMAAAALLLL ggggllllNNNNoooorrrrmmmmaaaallll GGGGLLLL____SSSSAAAAMMMMPPPPLLLLEEEE____AAAALLLLPPPPHHHHAAAA____TTTTOOOO____MMMMAAAASSSSKKKK____SSSSGGGGIIIISSSS ggggllllSSSSaaaammmmpppplllleeeeMMMMaaaasssskkkkSSSSGGGGIIIISSSS GGGGLLLL____SSSSAAAAMMMMPPPPLLLLEEEE____AAAALLLLPPPPHHHHAAAA____TTTTOOOO____OOOONNNNEEEE____SSSSGGGGIIIISSSS ggggllllSSSSaaaammmmpppplllleeeeMMMMaaaasssskkkkSSSSGGGGIIIISSSS GGGGLLLL____SSSSAAAAMMMMPPPPLLLLEEEE____MMMMAAAASSSSKKKK____SSSSGGGGIIIISSSS ggggllllSSSSaaaammmmpppplllleeeeMMMMaaaasssskkkkSSSSGGGGIIIISSSS GGGGLLLL____SSSSCCCCIIIISSSSSSSSOOOORRRR____TTTTEEEESSSSTTTT ggggllllSSSScccciiiissssssssoooorrrr GGGGLLLL____SSSSEEEEPPPPAAAARRRRAAAABBBBLLLLEEEE____2222DDDD ggggllllSSSSeeeeppppaaaarrrraaaabbbblllleeeeFFFFiiiilllltttteeeerrrr2222DDDD GGGGLLLL____SSSSPPPPRRRRIIIITTTTEEEE____SSSSGGGGIIIIXXXX ggggllllSSSSpppprrrriiiitttteeeePPPPaaaarrrraaaammmmeeeetttteeeerrrrSSSSGGGGIIIIXXXX GGGGLLLL____SSSSTTTTEEEENNNNCCCCIIIILLLL____TTTTEEEESSSSTTTT ggggllllSSSStttteeeennnncccciiiillllFFFFuuuunnnncccc, ggggllllSSSStttteeeennnncccciiiillllOOOOpppp GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____1111DDDD ggggllllTTTTeeeexxxxIIIImmmmaaaaggggeeee1111DDDD GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____2222DDDD ggggllllTTTTeeeexxxxIIIImmmmaaaaggggeeee2222DDDD GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____3333DDDD ggggllllTTTTeeeexxxxIIIImmmmaaaaggggeeee3333DDDD GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE____SSSSGGGGIIII ggggllllCCCCoooolllloooorrrrTTTTaaaabbbblllleeeeSSSSGGGGIIII GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____AAAARRRRRRRRAAAAYYYY ggggllllTTTTeeeexxxxCCCCoooooooorrrrddddPPPPooooiiiinnnntttteeeerrrr GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____GGGGEEEENNNN____QQQQ ggggllllTTTTeeeexxxxGGGGeeeennnn GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____GGGGEEEENNNN____RRRR ggggllllTTTTeeeexxxxGGGGeeeennnn PPPPaaaaggggeeee 2222 ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd((((3333GGGG)))) OOOOppppeeeennnnGGGGLLLL RRRReeeeffffeeeerrrreeeennnncccceeee ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd((((3333GGGG)))) GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____GGGGEEEENNNN____SSSS ggggllllTTTTeeeexxxxGGGGeeeennnn GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____GGGGEEEENNNN____TTTT ggggllllTTTTeeeexxxxGGGGeeeennnn GGGGLLLL____VVVVEEEERRRRTTTTEEEEXXXX____AAAARRRRRRRRAAAAYYYY ggggllllVVVVeeeerrrrtttteeeexxxxPPPPooooiiiinnnntttteeeerrrr NNNNOOOOTTTTEEEESSSS If an error is generated, ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd returns 0. GGGGLLLL____CCCCOOOOLLLLOOOORRRR____LLLLOOOOGGGGIIIICCCC____OOOOPPPP, GGGGLLLL____CCCCOOOOLLLLOOOORRRR____AAAARRRRRRRRAAAAYYYY, GGGGLLLL____EEEEDDDDGGGGEEEE____FFFFLLLLAAAAGGGG____AAAARRRRRRRRAAAAYYYY, GGGGLLLL____IIIINNNNDDDDEEEEXXXX____AAAARRRRRRRRAAAAYYYY, GGGGLLLL____IIIINNNNDDDDEEEEXXXX____LLLLOOOOGGGGIIIICCCC____OOOOPPPP, GGGGLLLL____NNNNOOOORRRRMMMMAAAALLLL____AAAARRRRRRRRAAAAYYYY, GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____OOOOFFFFFFFFSSSSEEEETTTT____FFFFIIIILLLLLLLL, GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____OOOOFFFFFFFFSSSSEEEETTTT____LLLLIIIINNNNEEEE, GGGGLLLL____PPPPOOOOLLLLYYYYGGGGOOOONNNN____OOOOFFFFFFFFSSSSEEEETTTT____PPPPOOOOIIIINNNNTTTT, GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____CCCCOOOOOOOORRRRDDDD____AAAARRRRRRRRAAAAYYYY, and GGGGLLLL____VVVVEEEERRRRTTTTEEEEXXXX____AAAARRRRRRRRAAAAYYYY are available only if the GL version is 1.1 or greater. GGGGLLLL____RRRREEEESSSSCCCCAAAALLLLEEEE____NNNNOOOORRRRMMMMAAAALLLL, and GGGGLLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____3333DDDD are available only if the GL version is 1.2 or greater. GGGGLLLL____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE, GGGGLLLL____CCCCOOOONNNNVVVVOOOOLLLLUUUUTTTTIIIIOOOONNNN____1111DDDD, GGGGLLLL____CCCCOOOONNNNVVVVOOOOLLLLUUUUTTTTIIIIOOOONNNN____2222DDDD, GGGGLLLL____HHHHIIIISSSSTTTTOOOOGGGGRRRRAAAAMMMM, GGGGLLLL____MMMMIIIINNNNMMMMAAAAXXXX, GGGGLLLL____PPPPOOOOSSSSTTTT____CCCCOOOOLLLLOOOORRRR____MMMMAAAATTTTRRRRIIIIXXXX____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE, GGGGLLLL____PPPPOOOOSSSSTTTT____CCCCOOOONNNNVVVVOOOOLLLLUUUUTTTTIIIIOOOONNNN____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE, and GGGGLLLL____SSSSEEEEPPPPAAAARRRRAAAABBBBLLLLEEEE____2222DDDD are available only if GGGGLLLL____AAAARRRRBBBB____iiiimmmmaaaaggggiiiinnnngggg is returned when ggggllllGGGGeeeetttt is called with GGGGLLLL____EEEEXXXXTTTTEEEENNNNSSSSIIIIOOOONNNNSSSS. GGGGLLLL____FFFFRRRRAAAAGGGGMMMMEEEENNNNTTTT____LLLLIIIIGGGGHHHHTTTT_i____SSSSGGGGIIIIXXXX and GGGGLLLL____FFFFRRRRAAAAGGGGMMMMEEEENNNNTTTT____LLLLIIIIGGGGHHHHTTTTIIIINNNNGGGG____SSSSGGGGIIIIXXXX are available only if _SSSSGGGGIIIIXXXX____ffffrrrraaaaggggmmmmeeeennnntttt____lllliiiigggghhhhttttiiiinnnngggg is returned when ggggllllGGGGeeeetttt is called with GGGGLLLL____EEEEXXXXTTTTEEEENNNNSSSSIIIIOOOONNNNSSSS. EEEERRRRRRRROOOORRRRSSSS GGGGLLLL____IIIINNNNVVVVAAAALLLLIIIIDDDD____EEEENNNNUUUUMMMM is generated if _c_a_p is not an accepted value. GGGGLLLL____IIIINNNNVVVVAAAALLLLIIIIDDDD____OOOOPPPPEEEERRRRAAAATTTTIIIIOOOONNNN is generated if ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd is executed between the execution of ggggllllBBBBeeeeggggiiiinnnn and the corresponding execution of ggggllllEEEEnnnndddd. MMMMAAAACCCCHHHHIIIINNNNEEEE DDDDEEEEPPPPEEEENNNNDDDDEEEENNNNCCCCIIIIEEEESSSS The SSSSGGGGIIIIXXXX____aaaassssyyyynnnncccc and SSSSGGGGIIIIXXXX____aaaassssyyyynnnncccc____ppppiiiixxxxeeeellll extensions are implemented only on OOOOccccttttaaaannnneeee2222 VVVVPPPPrrrroooo systems. GGGGLLLL____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE____SSSSGGGGIIII, GGGGLLLL____PPPPOOOOSSSSTTTT____CCCCOOOOLLLLOOOORRRR____MMMMAAAATTTTRRRRIIIIXXXX____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE____SSSSGGGGIIII and GGGGLLLL____PPPPOOOOSSSSTTTT____CCCCOOOONNNNVVVVOOOOLLLLUUUUTTTTIIIIOOOONNNN____CCCCOOOOLLLLOOOORRRR____TTTTAAAABBBBLLLLEEEE____SSSSGGGGIIII are part of the SSSSGGGGIIII____ccccoooolllloooorrrr____ttttaaaabbbblllleeee extension which is not supported on RRRReeeeaaaalllliiiittttyyyyEEEEnnnnggggiiiinnnneeee, RRRReeeeaaaalllliiiittttyyyyEEEEnnnnggggiiiinnnneeee2222, and VVVVTTTTXXXX systems. The SSSSGGGGIIIIXXXX____ffffrrrraaaaggggmmmmeeeennnntttt____lllliiiigggghhhhttttiiiinnnngggg extension is supported only on OOOOccccttttaaaannnneeee2222 VVVVPPPPrrrroooo systems. On OOOOccccttttaaaannnneeee2222 VVVVPPPPrrrroooo systems, ggggllllLLLLiiiigggghhhhttttMMMMooooddddeeeellll with GGGGLLLL____SSSSEEEEPPPPAAAARRRRAAAATTTTEEEE____SSSSPPPPEEEECCCCUUUULLLLAAAARRRR____CCCCOOOOLLLLOOOORRRR is not compatible with fragment lighting. If fragment lighting is enabled, it will override the separate specular color light model. The SSSSGGGGIIIIXXXX____iiiinnnntttteeeerrrrllllaaaacccceeee extension is supported only on IIIInnnnffffiiiinnnniiiitttteeeeRRRReeeeaaaalllliiiittttyyyy systems, on RRRReeeeaaaalllliiiittttyyyyEEEEnnnnggggiiiinnnneeee, RRRReeeeaaaalllliiiittttyyyyEEEEnnnnggggiiiinnnneeee2222, and VVVVTTTTXXXX systems, on OOOOccccttttaaaannnneeee2222 VVVVPPPPrrrroooo systems, and on OOOO2222 systems. PPPPaaaaggggeeee 3333 ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd((((3333GGGG)))) OOOOppppeeeennnnGGGGLLLL RRRReeeeffffeeeerrrreeeennnncccceeee ggggllllIIIIssssEEEEnnnnaaaabbbblllleeeedddd((((3333GGGG)))) The IIIINNNNGGGGRRRR____iiiinnnntttteeeerrrrllllaaaacccceeee____rrrreeeeaaaadddd extension is supported only on OOOOccccttttaaaannnneeee2222 VVVVPPPPrrrroooo systems, and on OOOO2222 systems. GGGGLLLL____PPPPIIIIXXXXEEEELLLL____TTTTEEEEXXXXTTTTUUUURRRREEEE____SSSSGGGGIIIISSSS is part of the SSSSGGGGIIIISSSS____ppppiiiixxxxeeeellll____tttteeeexxxxttttuuuurrrreeee extension, which is supported only on OOOOccccttttaaaannnneeee2222 VVVVPPPPrrrroooo systems. SSSSEEEEEEEE AAAALLLLSSSSOOOO ggggllllEEEEnnnnaaaabbbblllleeee, ggggllllEEEEnnnnaaaabbbblllleeeeCCCClllliiiieeeennnnttttSSSSttttaaaatttteeee, ggggllllGGGGeeeetttt PPPPaaaaggggeeee 4444 
