From 5ad41b0af4485f878228dfdebb9ad068898b5a2c Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@gmail.com>
Date: Wed, 18 Feb 2026 19:10:14 +0100
Subject: feat: enable vsync

---
 libs/SDL/render.S | 2 ++
 src/main.S        | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/libs/SDL/render.S b/libs/SDL/render.S
index 70d1ca8..61c06e5 100644
--- a/libs/SDL/render.S
+++ b/libs/SDL/render.S
@@ -3,6 +3,8 @@
 //! Assembler bindings for SDL2 (SDL_render.h)
 
 #define SDL_RENDERER_ACCELERATED 0x00000002u
+#define SDL_RENDERER_PRESENTVSYNC 0x00000004u
+
 
 //! @fn SDL_Renderer * SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags);
 //! @param the window where rendering is displayed.
diff --git a/src/main.S b/src/main.S
index 5e2ccf0..6bad719 100644
--- a/src/main.S
+++ b/src/main.S
@@ -77,7 +77,7 @@
     // create a renderer
     load_local window_handle, %rdi
     mov $-1, %rsi
-    mov $SDL_RENDERER_ACCELERATED, %rdx
+    mov $(SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC), %rdx
     call SDL_CreateRenderer@PLT
     store_local %rax, renderer_handle
 
-- 
cgit v1.2.3