From cf8227d7d3d625d83804e53b8bec5d8c3ce8516b Mon Sep 17 00:00:00 2001
From: veclavtalica <veclavtalica@tutamail.com>
Date: Sun, 26 Jan 2025 12:06:00 +0300
Subject: [PATCH] twn_loop.c: place SDL_Delay() to not waste CPU time

---
 src/twn_loop.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/twn_loop.c b/src/twn_loop.c
index 0310358..3ed5736 100644
--- a/src/twn_loop.c
+++ b/src/twn_loop.c
@@ -252,6 +252,10 @@ static void main_loop(void) {
     /*       which for now is broken as glBufferData with NULL is used all over right after render */
     if (frames != 0)
         render();
+    else
+        /* don't waste clock cycles on useless work */
+        /* TODO: make it adjustable from config */
+        SDL_Delay((uint32_t)(ctx.desired_frametime - ctx.frame_accumulator) / 1250000);
 }