-extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT;
-extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT;
-extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT;
-extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT;
-extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT;
-extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT;
-extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT;
-extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
-extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
-extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
-extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
-extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT;
-extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
-extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT;
-extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT;
-extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT;
-extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT;
+extern PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer;
+extern PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer;
+extern PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus;
+extern PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers;
+extern PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers;
+extern PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer;
+extern PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D;
+extern PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D;
+extern PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D;
+extern PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers;
+extern PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers;
+extern PFNGLGENERATEMIPMAPPROC glGenerateMipmap;
+extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVPROC glGetFramebufferAttachmentParameteriv;
+extern PFNGLGETRENDERBUFFERPARAMETERIVPROC glGetRenderbufferParameteriv;
+extern PFNGLISFRAMEBUFFERPROC glIsFramebuffer;
+extern PFNGLISRENDERBUFFERPROC glIsRenderbuffer;
+extern PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage;