830     __GLXcontext *glxc, *prevglxc;  in MakeCurrent()  local
859         prevglxc = __glXLookupContextByTag(cl, tag);  in MakeCurrent()
860         if (!prevglxc) {  in MakeCurrent()
868         prevglxc = 0;  in MakeCurrent()
881         if ((glxc != prevglxc) && glxc->isCurrent) {  in MakeCurrent()
1122     if (prevglxc) {  in MakeCurrent()
1124         if (prevglxc->pGlxPixmap) {  in MakeCurrent()
1128             prevglxc->pGlxPixmap->refcnt--;  in MakeCurrent()
1129             __glXFreeGLXPixmap(prevglxc->pGlxPixmap);  in MakeCurrent()
1130             prevglxc->pGlxPixmap = 0;  in MakeCurrent()
1133         if (prevglxc->pGlxReadPixmap) {  in MakeCurrent()
1137             prevglxc->pGlxReadPixmap->refcnt--;  in MakeCurrent()
1138             __glXFreeGLXPixmap(prevglxc->pGlxReadPixmap);  in MakeCurrent()
1139             prevglxc->pGlxReadPixmap = 0;  in MakeCurrent()
1142         if (prevglxc->pGlxWindow) {  in MakeCurrent()
1146             prevglxc->pGlxWindow->refcnt--;  in MakeCurrent()
1147             __glXFreeGLXWindow(prevglxc->pGlxWindow);  in MakeCurrent()
1148             prevglxc->pGlxWindow = 0;  in MakeCurrent()
1151         if (prevglxc->pGlxReadWindow) {  in MakeCurrent()
1155             prevglxc->pGlxReadWindow->refcnt--;  in MakeCurrent()
1156             __glXFreeGLXWindow(prevglxc->pGlxReadWindow);  in MakeCurrent()
1157             prevglxc->pGlxReadWindow = 0;  in MakeCurrent()
1160         if (prevglxc->pGlxPbuffer) {  in MakeCurrent()
1164             prevglxc->pGlxPbuffer->refcnt--;  in MakeCurrent()
1165             __glXFreeGLXPbuffer(prevglxc->pGlxPbuffer);  in MakeCurrent()
1166             prevglxc->pGlxPbuffer = 0;  in MakeCurrent()
1169         if (prevglxc->pGlxReadPbuffer) {  in MakeCurrent()
1173             prevglxc->pGlxReadPbuffer->refcnt--;  in MakeCurrent()
1174             __glXFreeGLXPbuffer(prevglxc->pGlxReadPbuffer);  in MakeCurrent()
1175             prevglxc->pGlxReadPbuffer = 0;  in MakeCurrent()
1180         StopUsingContext(prevglxc);  in MakeCurrent()