diff --git a/xorg/server/module/rdpReg.c b/xorg/server/module/rdpReg.c
index 20600f66..8ff7d79d 100644
--- a/xorg/server/module/rdpReg.c
+++ b/xorg/server/module/rdpReg.c
@@ -244,3 +244,22 @@ rdpRegionUnionRect(RegionPtr pReg, BoxPtr prect)
     rdpRegionUnion(pReg, pReg, &reg);
     rdpRegionUninit(&reg);
 }
+
+/*****************************************************************************/
+int
+rdpRegionPixelCount(RegionPtr pReg)
+{
+    int index;
+    int count;
+    int rv;
+    BoxRec box;
+
+    rv = 0;
+    count = REGION_NUM_RECTS(pReg);
+    for (index = 0; index < count; index++)
+    {
+        box = REGION_RECTS(pReg)[index];
+        rv += (box.x2 - box.x1) * (box.y2 - box.y1);
+    }
+    return rv;
+}
diff --git a/xorg/server/module/rdpReg.h b/xorg/server/module/rdpReg.h
index 38c4188a..a5cd73bf 100644
--- a/xorg/server/module/rdpReg.h
+++ b/xorg/server/module/rdpReg.h
@@ -58,5 +58,7 @@ Bool
 rdpRegionBreak(RegionPtr pReg);
 void
 rdpRegionUnionRect(RegionPtr pReg, BoxPtr prect);
+int
+rdpRegionPixelCount(RegionPtr pReg);
 
 #endif