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Log delays introduced by SDL_PollEvent

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This commit is contained in:
sfan5 2024-04-20 15:42:25 +02:00
parent c8e46749a4
commit af27d97003
1 changed files with 14 additions and 1 deletions
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15
irr/src/CIrrDeviceSDL.cpp
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@ -622,6 +622,19 @@ void CIrrDeviceSDL::createDriver()
os::Printer::log("Could not create video driver", ELL_ERROR);
}
static int wrap_PollEvent(SDL_Event *ev)
{
u32 t0 = os::Timer::getRealTime();
int ret = SDL_PollEvent(ev);
u32 d = os::Timer::getRealTime() - t0;
if (d >= 5) {
auto msg = std::string("SDL_PollEvent took too long: ") + std::to_string(d) + "ms";
// 50ms delay => more than three missed frames (at 60fps)
os::Printer::log(msg.c_str(), d >= 50 ? ELL_WARNING : ELL_INFORMATION);
}
return ret;
}
//! runs the device. Returns false if device wants to be deleted
bool CIrrDeviceSDL::run()
{
@ -630,7 +643,7 @@ bool CIrrDeviceSDL::run()
SEvent irrevent;
SDL_Event SDL_event;
while (!Close && SDL_PollEvent(&SDL_event)) {
while (!Close && wrap_PollEvent(&SDL_event)) {
// os::Printer::log("event: ", core::stringc((int)SDL_event.type).c_str(), ELL_INFORMATION); // just for debugging
switch (SDL_event.type) {