Simplify calculation

schellingb · Oct 17, 2024 · 87d20cc · 87d20cc
1 parent 1036772
commit 87d20cc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/dosbox_pure_libretro.cpp b/dosbox_pure_libretro.cpp
@@ -2035,7 +2035,7 @@ void GFX_EndUpdate(const Bit16u *changedLines)
 			else if (!dblh) for (; src != srcEnd; trg -= 2) trg[0] = trg[1] = *(--src);
 			else            for (; src != srcEnd; trg -= 2) trg[0] = trg[1] = trg[pitch] = trg[pitch+1] = *(--src);
 		}
-		buf.ratio = ((float)render.src.width * ((float)render.src.dblw+1.f)) / ((float)render.src.height * ((float)render.src.dblh+1.0f) * (float)render.src.ratio);
+		buf.ratio = (srcw << dblw) / ((srch << dblh) * (float)render.src.ratio);
 	}
 	else
 	{