From 73246c86586ffad03f72409655c9b50e4cca491a Mon Sep 17 00:00:00 2001
From: Dmitry Sapozhnikov <11535558+o-sdn-o@users.noreply.github.com>
Date: Tue, 24 Oct 2023 23:02:18 +0500
Subject: [PATCH] #400 WIP: Shaders (multiuser)

---
 src/netxs/desktopio/canvas.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/netxs/desktopio/canvas.hpp b/src/netxs/desktopio/canvas.hpp
index df1a69ce8d..fa530e37e5 100644
--- a/src/netxs/desktopio/canvas.hpp
+++ b/src/netxs/desktopio/canvas.hpp
@@ -1721,7 +1721,8 @@ namespace netxs
                 template<class D, class S>
                 inline void operator () (D& dst, S& src) const
                 {
-                    dst.fuse(src);
+                    auto i = factor;
+                    while(i-- > 0) dst.fuse(src);
                     operator()(dst);
                 }
             };