From 945ad4a89f13c4f5f612321c0f859939ae4109af Mon Sep 17 00:00:00 2001
From: sonninnos <45124675+sonninnos@users.noreply.github.com>
Date: Tue, 2 Jan 2024 20:01:19 +0200
Subject: [PATCH] Limit paused video refresh when vsync is disabled (#16067)

---
 runloop.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/runloop.c b/runloop.c
index 9520b96226b3..8ca3408295f2 100644
--- a/runloop.c
+++ b/runloop.c
@@ -6939,6 +6939,17 @@ int runloop_iterate(void)
          netplay_driver_ctl(RARCH_NETPLAY_CTL_PAUSE, NULL);
 #endif
          video_driver_cached_frame();
+
+         /* Limit paused video refresh when vsync is disabled */
+         if (!settings->bools.video_vsync)
+         {
+            float refresh_rate = (video_st->video_refresh_rate_original)
+                  ? video_st->video_refresh_rate_original : settings->floats.video_refresh_rate;
+
+            runloop_st->frame_limit_minimum_time = (retro_time_t)roundf(1000000.0f / refresh_rate);
+            goto end;
+         }
+
          return 1;
       case RUNLOOP_STATE_MENU:
 #ifdef HAVE_NETWORKING