From 535f130891445d82110336d1f67de2f69dd2e5e6 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Thu, 13 Feb 2014 15:10:01 +0100
Subject: [PATCH] Prevent division by zero in gfx_set_viewport

---
 gfx/gfx_common.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/gfx/gfx_common.c b/gfx/gfx_common.c
index 425b6de965..7facb4ca10 100644
--- a/gfx/gfx_common.c
+++ b/gfx/gfx_common.c
@@ -251,12 +251,14 @@ void gfx_set_config_viewport(void)
       if (geom->aspect_ratio > 0.0f && g_settings.video.aspect_ratio_auto)
          aspectratio_lut[ASPECT_RATIO_CONFIG].value = geom->aspect_ratio;
       else
-#ifdef PSP
-         // Get around division by zero error
-         aspectratio_lut[ASPECT_RATIO_CONFIG].value = 1.0f; // 1:1 PAR.
-#else
+      {
+         // Get around division by zero errors
+         if (geom->base_width == 0)
+            geom->base_width = 1;
+         if (geom->base_height == 0)
+            geom->base_height = 1;
          aspectratio_lut[ASPECT_RATIO_CONFIG].value = (float)geom->base_width / geom->base_height; // 1:1 PAR.
-#endif
+      }
    }
    else
       aspectratio_lut[ASPECT_RATIO_CONFIG].value = g_settings.video.aspect_ratio;