shithub: choc

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video: Fix rounding up of window_height adjust.

The correct behavior here is to round up to the nearest pixel; the past
logic mostly worked but wasn't quite correct.

--- a/src/i_video.c

+++ b/src/i_video.c

@@ -287,9 +287,9 @@

     if (window_width * h <= window_height * SCREENWIDTH)

     {

-        // The +1 here stops us from repeatedly shrinking the screen size

-        // with each call.

-        window_height = (window_width + 1) * h / SCREENWIDTH;

+        // We round up window_height if the ratio is not exact; this leaves

+        // the result stable.

+        window_height = (window_width * h + SCREENWIDTH - 1) / SCREENWIDTH;

     }

     else

     {