From 6cc8c3799ac67b4831bc66b9a1738b7767a51388 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sat, 12 Jan 2019 21:22:54 +0100
Subject: [PATCH] Make FrameBuffer::flush() a no-op when building outside of
 SDL.

---
 Widgets/FrameBuffer.cpp | 4 ++--
 Widgets/FrameBuffer.h   | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Widgets/FrameBuffer.cpp b/Widgets/FrameBuffer.cpp
index 514d90abdf..7c2b4b53c4 100644
--- a/Widgets/FrameBuffer.cpp
+++ b/Widgets/FrameBuffer.cpp
@@ -90,9 +90,9 @@ RGBA32* FrameBuffer::scanline(int y)
 #endif
 }
 
+#ifdef USE_SDL
 void FrameBuffer::flush()
 {
-#ifdef USE_SDL
     SDL_UpdateWindowSurface(m_window);
-#endif
 }
+#endif
diff --git a/Widgets/FrameBuffer.h b/Widgets/FrameBuffer.h
index da00d84141..109519fba5 100644
--- a/Widgets/FrameBuffer.h
+++ b/Widgets/FrameBuffer.h
@@ -25,7 +25,11 @@ public:
 
     RGBA32* scanline(int y);
 
+#ifdef USE_SDL
     void flush();
+#else
+    void flush() { }
+#endif
 
     static void initialize();