From fc61ecb25cf7690e363513fb55b08008da2abe4e Mon Sep 17 00:00:00 2001
From: Sylvain Becker <sylvain.becker@gmail.com>
Date: Tue, 5 Jan 2021 21:54:03 +0100
Subject: [PATCH] Fix software UpdateNVTexture non fullscreen (bug #5430)

---
 src/render/SDL_yuv_sw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/render/SDL_yuv_sw.c b/src/render/SDL_yuv_sw.c
index 8b8bf9b12..a6c22afed 100644
--- a/src/render/SDL_yuv_sw.c
+++ b/src/render/SDL_yuv_sw.c
@@ -322,7 +322,7 @@ int SDL_SW_UpdateNVTexturePlanar(SDL_SW_YUVTexture * swdata, const SDL_Rect * re
     /* Copy the UV or VU plane */
     src = UVplane;
     dst = swdata->pixels + swdata->h * swdata->w;
-    dst += rect->y/2 * ((swdata->w + 1)/2) + rect->x/2;
+    dst += rect->y * ((swdata->w + 1)/2) + rect->x;
     length = (rect->w + 1) / 2;
     length *= 2;
     for (row = 0; row < (rect->h + 1)/2; ++row) {