From 9215600148c6f3c6219174565c192ec113eab1b3 Mon Sep 17 00:00:00 2001
From: Peter Evans <pevans@activecampaign.com>
Date: Tue, 23 Jan 2018 16:09:27 -0600
Subject: [PATCH] Don't attempt to render a glyph if render is NULL

---
 src/vm_bitfont.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/vm_bitfont.c b/src/vm_bitfont.c
index c851a9d..ad55c5c 100644
--- a/src/vm_bitfont.c
+++ b/src/vm_bitfont.c
@@ -118,9 +118,13 @@ vm_bitfont_render(vm_bitfont *font,
     MAKE_SDL_RECT(dest_rect, *dest);
     MAKE_SDL_RECT(src_rect, src);
 
-    if (SDL_RenderCopy(screen->render, font->texture, &src_rect, &dest_rect) < 0) {
-        log_critical("Failed to render glyph: %s", SDL_GetError());
-        return ERR_GFXOP;
+    if (screen->render) {
+        if (SDL_RenderCopy(screen->render, font->texture, 
+                           &src_rect, &dest_rect) < 0
+           ) {
+            log_critical("Failed to render glyph: %s", SDL_GetError());
+            return ERR_GFXOP;
+        }
     }
 
     screen->dirty = true;