From: jaspervdg <jaspervdg@users.sourceforge.net>
Date: Wed, 8 Apr 2009 11:50:31 +0000 (+0000)
Subject: Swap iterations over x and y coordinate to be more cache friendly (so the inner loop... 
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=d3fe83c908e8e3e6dc2040f10a3f4a1d2b97cd87;p=inkscape.git

Swap iterations over x and y coordinate to be more cache friendly (so the inner loop iterates over x).
---

diff --git a/src/display/nr-filter-displacement-map.cpp b/src/display/nr-filter-displacement-map.cpp
index 4cd0f5160..869a184ac 100644
--- a/src/display/nr-filter-displacement-map.cpp
+++ b/src/display/nr-filter-displacement-map.cpp
@@ -124,8 +124,8 @@ static void performDisplacement(NRPixBlock const* texture, NRPixBlock const* map
     if (!Xneedsdemul) scalex /= 255.0;
     if (!Yneedsdemul) scaley /= 255.0;
 
-    for (int xout=out->area.x0; xout < out->area.x1; xout++){
-        for (int yout=out->area.y0; yout < out->area.y1; yout++){
+    for (int yout=out->area.y0; yout < out->area.y1; yout++){
+        for (int xout=out->area.x0; xout < out->area.x1; xout++){
             int xmap = xout;
             int ymap = yout;