Add panoramix support to XFixes extension.

Xext/panoramiX.c

@@ -56,6 +56,9 @@ Equipment Corporation.
 #ifdef RENDER
 #include "picturestr.h"
 #endif
+#ifdef XFIXES
+#include "xfixesint.h"
+#endif
 #include "modinit.h"
 
 
@@ -582,6 +585,9 @@ void PanoramiXExtensionInit(int argc, char *argv[])
 #ifdef RENDER
     PanoramiXRenderInit ();
 #endif
+#ifdef XFIXES
+    PanoramiXFixesInit ();
+#endif
 }
 
 extern Bool CreateConnectionBlock(void);
@@ -883,6 +889,9 @@ static void PanoramiXResetProc(ExtensionEntry* extEntry)
 
 #ifdef RENDER
     PanoramiXRenderReset ();
+#endif
+#ifdef XFIXES
+    PanoramiXFixesReset ();
 #endif
     screenInfo.numScreens = PanoramiXNumScreens;
     for (i = 256; i--; )

xfixes/region.c

@@ -864,3 +864,84 @@ SProcXFixesExpandRegion (ClientPtr client)
     return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
 }
 
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+
+#define VERIFY_XIN_PICTURE(pPicture, pid, client, mode, err) {\
+    pPicture = SecurityLookupIDByType(client, pid, XRT_PICTURE, mode);\
+    if (!pPicture) { \
+	client->errorValue = pid; \
+	return err; \
+    } \
+}
+
+extern unsigned long	XRT_PICTURE;
+
+extern int (*PanoramiXSaveXFixesVector[XFixesNumberRequests])(ClientPtr);
+
+int
+PanoramiXFixesSetGCClipRegion (ClientPtr client)
+{
+    REQUEST(xXFixesSetGCClipRegionReq);
+    int		    result = Success, j;
+    PanoramiXRes    *gc;
+    REQUEST_SIZE_MATCH(xXFixesSetGCClipRegionReq);
+
+    if(!(gc = (PanoramiXRes *)SecurityLookupIDByType(
+	     client, stuff->gc, XRT_GC, DixReadAccess)))
+	return BadGC;
+
+    FOR_NSCREENS_BACKWARD(j) {
+        stuff->gc = gc->info[j].id;
+        result = (*PanoramiXSaveXFixesVector[X_XFixesSetGCClipRegion]) (client);
+        if(result != Success) break;
+    }
+
+    return (result);
+}
+
+int
+PanoramiXFixesSetWindowShapeRegion (ClientPtr client)
+{
+    int		    result = Success, j;
+    PanoramiXRes    *win;
+    REQUEST(xXFixesSetWindowShapeRegionReq);
+
+    REQUEST_SIZE_MATCH(xXFixesSetWindowShapeRegionReq);
+
+    if(!(win = (PanoramiXRes *)SecurityLookupIDByType(
+	     client, stuff->dest, XRT_WINDOW, DixWriteAccess)))
+	return BadWindow;
+
+    FOR_NSCREENS_FORWARD(j) {
+	stuff->dest = win->info[j].id;
+	result = (*PanoramiXSaveXFixesVector[X_XFixesSetWindowShapeRegion]) (client);
+        if(result != Success) break;
+    }
+
+    return (result);
+}
+
+int
+PanoramiXFixesSetPictureClipRegion (ClientPtr client)
+{
+    REQUEST(xXFixesSetPictureClipRegionReq);
+    int		    result = Success, j;
+    PanoramiXRes    *pict;
+
+    REQUEST_SIZE_MATCH (xXFixesSetPictureClipRegionReq);
+
+    VERIFY_XIN_PICTURE(pict, stuff->picture, client, DixWriteAccess,
+		       RenderErrBase + BadPicture);
+
+    FOR_NSCREENS_BACKWARD(j) {
+        stuff->picture = pict->info[j].id;
+	result = (*PanoramiXSaveXFixesVector[X_XFixesSetPictureClipRegion]) (client);
+        if(result != Success) break;
+    }
+
+    return (result);
+}
+
+#endif

xfixes/xfixes.c

@@ -261,3 +261,33 @@ XFixesExtensionInit(void)
 	    (EventSwapPtr) SXFixesCursorNotifyEvent;
     }
 }
+
+#ifdef PANORAMIX
+
+int (*PanoramiXSaveXFixesVector[XFixesNumberRequests])(ClientPtr);
+
+void
+PanoramiXFixesInit (void)
+{
+    int i;
+
+    for (i = 0; i < XFixesNumberRequests; i++)
+	PanoramiXSaveXFixesVector[i] = ProcXFixesVector[i];
+    /*
+     * Stuff in Xinerama aware request processing hooks
+     */
+    ProcXFixesVector[X_XFixesSetGCClipRegion] = PanoramiXFixesSetGCClipRegion;
+    ProcXFixesVector[X_XFixesSetWindowShapeRegion] = PanoramiXFixesSetWindowShapeRegion;
+    ProcXFixesVector[X_XFixesSetPictureClipRegion] = PanoramiXFixesSetPictureClipRegion;
+}
+
+void
+PanoramiXFixesReset (void)
+{
+    int i;
+
+    for (i = 0; i < XFixesNumberRequests; i++)
+	ProcXFixesVector[i] = PanoramiXSaveXFixesVector[i];
+}
+
+#endif

xfixes/xfixesint.h

@@ -255,6 +255,17 @@ ProcXFixesExpandRegion (ClientPtr client);
 int
 SProcXFixesExpandRegion (ClientPtr client);
 
+#ifdef PANORAMIX
+int
+PanoramiXFixesSetGCClipRegion (ClientPtr client);
+
+int
+PanoramiXFixesSetWindowShapeRegion (ClientPtr client);
+
+int
+PanoramiXFixesSetPictureClipRegion (ClientPtr client);
+#endif
+
 /* Cursor Visibility (Version 4) */
 
 int 
@@ -269,4 +280,9 @@ ProcXFixesShowCursor (ClientPtr client);
 int 
 SProcXFixesShowCursor (ClientPtr client);
 
+#ifdef PANORAMIX
+void PanoramiXFixesInit (void);
+void PanoramiXFixesReset (void);
+#endif
+
 #endif /* _XFIXESINT_H_ */