From 2c50f82b5bc4c59c29170be5a0778947c3e0cbd8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Tue, 28 May 2024 19:06:00 +0200
Subject: [PATCH] SDL: Switch to SDL_WaitEventTimeout instead of SDL_PollEvent
 when possible.

Fixes #19131
---
 SDL/SDLMain.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/SDL/SDLMain.cpp b/SDL/SDLMain.cpp
index 985309aa0681..6e04018d468c 100644
--- a/SDL/SDLMain.cpp
+++ b/SDL/SDLMain.cpp
@@ -1420,10 +1420,12 @@ int main(int argc, char *argv[]) {
 	bool waitOnExit = g_Config.iGPUBackend == (int)GPUBackend::OPENGL;
 
 	if (!mainThreadIsRender) {
-		// We should only be a message pump
+		// Vulkan mode uses this.
+		// We should only be a message pump. This allows for lower latency
+		// input events, and so on.
 		while (true) {
 			SDL_Event event;
-			while (SDL_PollEvent(&event)) {
+			while (SDL_WaitEventTimeout(&event, 100)) {
 				ProcessSDLEvent(window, event, &inputTracker);
 			}
 			if (g_QuitRequested || g_RestartRequested)