Add XF86SmtWrapPointer and XF86SmtSyncPointer functions

to synchronize early wrapping of circular buffer pointers.

1 files changed, 33 insertions, 0 deletions

diff --git a/xc/programs/Xserver/Xext/xf86smt.c b/xc/programs/Xserver/Xext/xf86smt.c
index 9baf42682..13903beaa 100644
--- a/xc/programs/Xserver/Xext/xf86smt.c
+++ b/xc/programs/Xserver/Xext/xf86smt.c
@@ -75,6 +75,8 @@ extern void XFree86SMTWriteBufferEmptyEvent(ClientPtr client,
 static DISPATCH_PROC(ProcXF86SMTDispatch);
 static DISPATCH_PROC(ProcXF86SMTQueryVersion);
 static DISPATCH_PROC(ProcXF86SMTOpen);
+static DISPATCH_PROC(ProcXF86SMTWrapPointer);
+static DISPATCH_PROC(ProcXF86SMTSyncPointer);
 static DISPATCH_PROC(SProcXF86SMTDispatch);
 
 static void XF86SMTResetProc (ExtensionEntry *extEntry)
@@ -143,6 +145,12 @@ void XFree86SMTWriteBufferEmptyEvent(ClientPtr client, int sequenceNumber)
     
     ev.type           = XF86SmtEventBase + XF86SmtBufferEmptyEvent;
     ev.sequenceNumber = sequenceNumber;
+#if 1				/* FIXME: for debugging only */
+    ev.pad2 = 0;
+    ev.pad3 = 33335555;
+    ev.pad4 = 12344321;
+    ev.pad6 = 20202020;
+#endif
     WriteEventsToClient(client, 1, (xEvent *)&ev);
 				/* Cast to OsCommPtr for LBX #define. */
     FlushClient(client, (OsCommPtr)client->osPrivate, NULL, 0);
@@ -201,6 +209,29 @@ static int ProcXF86SMTOpen(ClientPtr client)
     return client->noClientException;
 }
 
+static int ProcXF86SMTWrapPointer(ClientPtr client)
+{
+    REQUEST(xXF86SmtWrapPointerReq);
+
+    REQUEST_SIZE_MATCH(xXF86SmtWrapPointerReq);
+    _XSERVTransSmtWrapPointer(((OsCommPtr)client->osPrivate)->trans_conn);
+    return client->noClientException;
+}
+
+static int ProcXF86SMTSyncPointer(ClientPtr client)
+{
+    xXF86SmtSyncPointerReply rep;
+    REQUEST(xXF86SmtSyncPointerReq);
+
+    REQUEST_SIZE_MATCH(xXF86SmtSyncPointerReq);
+    _XSERVTransSmtWrapPointer(((OsCommPtr)client->osPrivate)->trans_conn);
+    rep.type           = X_Reply;
+    rep.length         = 0;
+    rep.sequenceNumber = client->sequence;
+    WriteToClient(client, sizeof(xXF86SmtSyncPointerReply), (char *)&rep);
+    return client->noClientException;
+}
+
 static int SProcXF86SMTDispatch (ClientPtr client)
 {
    return XF86SmtErrorBase + XF86SmtClientNotLocal;
@@ -216,6 +247,8 @@ static int ProcXF86SMTDispatch (ClientPtr client)
     switch (stuff->data){
     case X_XF86SmtQueryVersion: return ProcXF86SMTQueryVersion(client);
     case X_XF86SmtOpen:         return ProcXF86SMTOpen(client);
+    case X_XF86SmtWrapPointer:  return ProcXF86SMTWrapPointer(client);
+    case X_XF86SmtSyncPointer:  return ProcXF86SMTSyncPointer(client);
     default:
 	return BadRequest;
     }