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Proper sleep implementation for Windows.

This commit is contained in:
Idiot 2023-07-07 13:38:58 -05:00 committed by BearOso
parent faaf900eb7
commit f1837aa04f
2 changed files with 34 additions and 23 deletions
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3
qt/src/EmuApplication.cpp
View File

@ -9,6 +9,7 @@
#include <QScreen>
#include <chrono>
#include <thread>
#include <QThread>
using namespace std::chrono_literals;
#undef SOUND_BUFFER_WINDOW
@ -104,7 +105,7 @@ void EmuApplication::writeSamples(int16_t *data, int samples)
while (sound_driver->space_free() < samples && iterations < 500)
{
iterations++;
std::this_thread::sleep_for(50us);
QThread::usleep(50);
}
}
auto buffer_level = sound_driver->buffer_level();

48
vulkan/std_chrono_throttle.cpp
View File

@ -17,42 +17,27 @@ microseconds Throttle::remaining()
return frame_duration_us - diff;
}
void Throttle::wait_for_frame()
{
auto time_to_wait = remaining();
if (time_to_wait.count() > 0)
std::this_thread::sleep_for(time_to_wait);
}
#ifdef _WIN32
#if defined(_WIN32)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
void Throttle::wait_for_frame_and_rebase_time()
void Throttle::wait_for_frame()
{
#ifdef _WIN32
static HANDLE timer = nullptr;
if (timer == nullptr)
timer = CreateWaitableTimer(nullptr, true, nullptr);
#endif
auto time_to_wait = remaining();
if (time_to_wait < -frame_duration_us / 10)
reset();
if (time_to_wait.count() > 1000)
if (time_to_wait.count() > 2000)
{
#ifdef _WIN32
LARGE_INTEGER li;
li.QuadPart = -(time_to_wait.count() - 1000) * 10;
li.QuadPart = -(time_to_wait.count() - 2000) * 10;
SetWaitableTimer(timer, &li, 0, nullptr, nullptr, false);
WaitForSingleObject(timer, INFINITE);
#else
std::this_thread::sleep_for(time_to_wait - 1000);
#endif
}
time_to_wait = remaining();
@ -61,7 +46,32 @@ void Throttle::wait_for_frame_and_rebase_time()
std::this_thread::yield();
time_to_wait = remaining();
}
}
#endif
#if !defined(_WIN32)
void Throttle::wait_for_frame()
{
auto time_to_wait = remaining();
if (time_to_wait < -frame_duration_us / 10)
reset();
if (time_to_wait.count() > 1000)
std::this_thread::sleep_for(time_to_wait - 1ms);
time_to_wait = remaining();
while (time_to_wait.count() > 0)
{
std::this_thread::yield();
time_to_wait = remaining();
}
}
#endif
void Throttle::wait_for_frame_and_rebase_time()
{
wait_for_frame();
advance();
}