+
+#ifdef X_DRI2SwapBuffers
+static void
+load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor,
+ CARD64 remainder)
+{
+ req->target_msc_hi = target >> 32;
+ req->target_msc_lo = target & 0xffffffff;
+ req->divisor_hi = divisor >> 32;
+ req->divisor_lo = divisor & 0xffffffff;
+ req->remainder_hi = remainder >> 32;
+ req->remainder_lo = remainder & 0xffffffff;
+}
+
+static CARD64
+vals_to_card64(CARD32 lo, CARD32 hi)
+{
+ return (CARD64)hi << 32 | lo;
+}
+
+void DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc,
+ CARD64 divisor, CARD64 remainder, CARD64 *count)
+{
+ XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+ xDRI2SwapBuffersReq *req;
+ xDRI2SwapBuffersReply rep;
+
+ XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
+
+ LockDisplay(dpy);
+ GetReq(DRI2SwapBuffers, req);
+ req->reqType = info->codes->major_opcode;
+ req->dri2ReqType = X_DRI2SwapBuffers;
+ req->drawable = drawable;
+ load_swap_req(req, target_msc, divisor, remainder);
+
+ _XReply(dpy, (xReply *)&rep, 0, xFalse);
+
+ *count = vals_to_card64(rep.swap_lo, rep.swap_hi);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+#endif
+
+#ifdef X_DRI2GetMSC
+Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc,
+ CARD64 *sbc)
+{
+ XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+ xDRI2GetMSCReq *req;
+ xDRI2MSCReply rep;
+
+ XextCheckExtension (dpy, info, dri2ExtensionName, False);
+
+ LockDisplay(dpy);
+ GetReq(DRI2GetMSC, req);
+ req->reqType = info->codes->major_opcode;
+ req->dri2ReqType = X_DRI2GetMSC;
+ req->drawable = drawable;
+
+ if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+ }
+
+ *ust = vals_to_card64(rep.ust_lo, rep.ust_hi);
+ *msc = vals_to_card64(rep.msc_lo, rep.msc_hi);
+ *sbc = vals_to_card64(rep.sbc_lo, rep.sbc_hi);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return True;
+}
+#endif
+
+#ifdef X_DRI2WaitMSC
+static void
+load_msc_req(xDRI2WaitMSCReq *req, CARD64 target, CARD64 divisor,
+ CARD64 remainder)
+{
+ req->target_msc_hi = target >> 32;
+ req->target_msc_lo = target & 0xffffffff;
+ req->divisor_hi = divisor >> 32;
+ req->divisor_lo = divisor & 0xffffffff;
+ req->remainder_hi = remainder >> 32;
+ req->remainder_lo = remainder & 0xffffffff;
+}
+
+Bool DRI2WaitMSC(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor,
+ CARD64 remainder, CARD64 *ust, CARD64 *msc, CARD64 *sbc)
+{
+ XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+ xDRI2WaitMSCReq *req;
+ xDRI2MSCReply rep;
+
+ XextCheckExtension (dpy, info, dri2ExtensionName, False);
+
+ LockDisplay(dpy);
+ GetReq(DRI2WaitMSC, req);
+ req->reqType = info->codes->major_opcode;
+ req->dri2ReqType = X_DRI2WaitMSC;
+ req->drawable = drawable;
+ load_msc_req(req, target_msc, divisor, remainder);
+
+ if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+ }
+
+ *ust = ((CARD64)rep.ust_hi << 32) | (CARD64)rep.ust_lo;
+ *msc = ((CARD64)rep.msc_hi << 32) | (CARD64)rep.msc_lo;
+ *sbc = ((CARD64)rep.sbc_hi << 32) | (CARD64)rep.sbc_lo;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return True;
+}
+#endif
+
+#ifdef X_DRI2WaitSBC
+static void
+load_sbc_req(xDRI2WaitSBCReq *req, CARD64 target)
+{
+ req->target_sbc_hi = target >> 32;
+ req->target_sbc_lo = target & 0xffffffff;
+}
+
+Bool DRI2WaitSBC(Display *dpy, XID drawable, CARD64 target_sbc, CARD64 *ust,
+ CARD64 *msc, CARD64 *sbc)
+{
+ XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+ xDRI2WaitSBCReq *req;
+ xDRI2MSCReply rep;
+
+ XextCheckExtension (dpy, info, dri2ExtensionName, False);
+
+ LockDisplay(dpy);
+ GetReq(DRI2WaitSBC, req);
+ req->reqType = info->codes->major_opcode;
+ req->dri2ReqType = X_DRI2WaitSBC;
+ req->drawable = drawable;
+ load_sbc_req(req, target_sbc);
+
+ if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return False;
+ }
+
+ *ust = ((CARD64)rep.ust_hi << 32) | rep.ust_lo;
+ *msc = ((CARD64)rep.msc_hi << 32) | rep.msc_lo;
+ *sbc = ((CARD64)rep.sbc_hi << 32) | rep.sbc_lo;
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return True;
+}
+#endif
+
+#ifdef X_DRI2SwapInterval
+void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
+{
+ XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+ xDRI2SwapIntervalReq *req;
+
+ XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
+
+ LockDisplay(dpy);
+ GetReq(DRI2SwapInterval, req);
+ req->reqType = info->codes->major_opcode;
+ req->dri2ReqType = X_DRI2SwapInterval;
+ req->drawable = drawable;
+ req->interval = interval;
+ UnlockDisplay(dpy);
+ SyncHandle();
+}
+#endif
+
+#endif /* GLX_DIRECT_RENDERING */