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Only use SDL_WaitEventTimeout() on SDL 2.0.18+

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Cameron Gutman
2022-01-17 16:59:45 -06:00
parent b223e7ec36
commit 49892b3ce8
1 changed files with 10 additions and 5 deletions
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app/streaming/session.cpp
+10 -5
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@@ -1443,11 +1443,16 @@ void Session::execInternal()
SDL_Event event; SDL_Event event;
Sint32 lastResizeW = -1, lastResizeH = -1; Sint32 lastResizeW = -1, lastResizeH = -1;
for (;;) { for (;;) {
#if SDL_VERSION_ATLEAST(2, 0, 16) && !defined(STEAM_LINK) #if SDL_VERSION_ATLEAST(2, 0, 18) && !defined(STEAM_LINK)
// SDL 2.0.16 has a proper wait event implementation that uses platform // SDL 2.0.18 has a proper wait event implementation that uses platform
// support to block on events rather than polling on Windows, macOS, and // support to block on events rather than polling on Windows, macOS, X11,
// X11. It will fall back to 1 ms polling if a joystick is connected, so // and Wayland. It will fall back to 1 ms polling if a joystick is
// we don't use it for STEAM_LINK to ensure we only poll every 10 ms. // connected, so we don't use it for STEAM_LINK to ensure we only poll
// every 10 ms.
//
// NB: This behavior was introduced in SDL 2.0.16, but had a few critical
// issues that could cause indefinite timeouts, delayed joystick detection,
// and other problems.
if (!SDL_WaitEventTimeout(&event, 1000)) { if (!SDL_WaitEventTimeout(&event, 1000)) {
presence.runCallbacks(); presence.runCallbacks();
continue; continue;