Added a sub-pixel offset to the halo/flare origin in GL_CalcLuminace …

…so that they are centered to the middle of the brightest pixel.
skyjake · Jul 4, 2008 · 37543f2 · 37543f2
1 parent 829807d
commit 37543f2
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/doomsday/engine/portable/src/gl_tex.c b/doomsday/engine/portable/src/gl_tex.c
@@ -1147,6 +1147,10 @@ void GL_CalcLuminance(int pnum, byte *buffer, int width, int height,
         (*brightY) += region[2];
     }
 
+    // Center on the middle of the brightest pixel.
+    (*brightX) += .5f;
+    (*brightY) += .5f;
+
     // The color.
     if(!avgCnt)
     {