From 3991633ad2cf15ee87b7eceaa39f7d2b93a07a13 Mon Sep 17 00:00:00 2001
From: Ben Kurtovic <ben.kurtovic@gmail.com>
Date: Tue, 3 May 2016 21:40:13 -0500
Subject: [PATCH] Vsync solves most of the screen tearing issues.

---
 src/emulator.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/emulator.c b/src/emulator.c
index f623b6b..3f430d7 100644
--- a/src/emulator.c
+++ b/src/emulator.c
@@ -66,6 +66,7 @@ static void setup_graphics(bool fullscreen, unsigned scale)
     SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "nearest");
     SDL_SetWindowTitle(emu.window, "crater");
     SDL_ShowCursor(SDL_DISABLE);
+    SDL_GL_SetSwapInterval(1);  // Vsync
 
     SDL_SetRenderDrawColor(emu.renderer, 0x00, 0x00, 0x00, 0xFF);
     SDL_RenderClear(emu.renderer);