fixes: Add panoramix support

Taken from:
583f4dde81

With minor style fixes and ported to dixLookupResourceByType.

Reviewed-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>

Xext/panoramiX.c

@@ -53,6 +53,9 @@ Equipment Corporation.
 #include "servermd.h"
 #include "resource.h"
 #include "picturestr.h"
+#ifdef XFIXES
+#include "xfixesint.h"
+#endif
 #include "modinit.h"
 #include "protocol-versions.h"
 
@@ -581,6 +584,9 @@ void PanoramiXExtensionInit(int argc, char *argv[])
     ProcVector[X_StoreNamedColor] = PanoramiXStoreNamedColor;
 
     PanoramiXRenderInit ();
+#ifdef XFIXES
+    PanoramiXFixesInit ();
+#endif
 }
 
 extern Bool CreateConnectionBlock(void);
@@ -882,6 +888,9 @@ static void PanoramiXResetProc(ExtensionEntry* extEntry)
     int		i;
 
     PanoramiXRenderReset ();
+#ifdef XFIXES
+    PanoramiXFixesReset ();
+#endif
     screenInfo.numScreens = PanoramiXNumScreens;
     for (i = 256; i--; )
 	ProcVector[i] = SavedProcVector[i];

Xext/panoramiXsrv.h

@@ -26,6 +26,7 @@ extern _X_EXPORT unsigned long XRT_WINDOW;
 extern _X_EXPORT unsigned long XRT_PIXMAP;
 extern _X_EXPORT unsigned long XRT_GC;
 extern _X_EXPORT unsigned long XRT_COLORMAP;
+extern _X_EXPORT unsigned long XRT_PICTURE;
 
 /*
  * Drivers are allowed to wrap this function.  Each wrapper can decide that the

xfixes/region.c

@@ -842,3 +842,81 @@ SProcXFixesExpandRegion (ClientPtr client)
     return (*ProcXFixesVector[stuff->xfixesReqType]) (client);
 }
 
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+
+int
+PanoramiXFixesSetGCClipRegion (ClientPtr client)
+{
+    REQUEST(xXFixesSetGCClipRegionReq);
+    int		    result = Success, j;
+    PanoramiXRes    *gc;
+    REQUEST_SIZE_MATCH(xXFixesSetGCClipRegionReq);
+
+    if ((result = dixLookupResourceByType((void **)&gc, stuff->gc, XRT_GC,
+					  client, DixWriteAccess))) {
+	client->errorValue = stuff->gc;
+	return result;
+    }
+
+    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 ((result = dixLookupResourceByType((void **)&win, stuff->dest,
+					  XRT_WINDOW, client,
+					  DixWriteAccess))) {
+	client->errorValue = stuff->dest;
+	return result;
+    }
+
+    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);
+
+    if ((result = dixLookupResourceByType((void **)&pict, stuff->picture,
+					  XRT_PICTURE, client,
+					  DixWriteAccess))) {
+	client->errorValue = stuff->picture;
+	return result;
+    }
+
+    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

@@ -262,3 +262,33 @@ XFixesExtensionInit(void)
 	SetResourceTypeErrorValue(RegionResType, XFixesErrorBase + BadRegion);
     }
 }
+
+#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 +255,15 @@ ProcXFixesExpandRegion (ClientPtr client);
 int
 SProcXFixesExpandRegion (ClientPtr client);
 
+int
+PanoramiXFixesSetGCClipRegion (ClientPtr client);
+
+int
+PanoramiXFixesSetWindowShapeRegion (ClientPtr client);
+
+int
+PanoramiXFixesSetPictureClipRegion (ClientPtr client);
+
 /* Cursor Visibility (Version 4) */
 
 int 
@@ -269,4 +278,8 @@ ProcXFixesShowCursor (ClientPtr client);
 int 
 SProcXFixesShowCursor (ClientPtr client);
 
+extern int (*PanoramiXSaveXFixesVector[XFixesNumberRequests])(ClientPtr);
+void PanoramiXFixesInit (void);
+void PanoramiXFixesReset (void);
+
 #endif /* _XFIXESINT_H_ */