mirror of
https://github.com/moonlight-stream/moonlight-qt
synced 2024-12-25 02:23:14 +00:00
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#include "nullthreadedvsyncsource.h"
|
|
|
|
NullThreadedVsyncSource::NullThreadedVsyncSource(Pacer* pacer) :
|
|
m_Pacer(pacer),
|
|
m_Thread(nullptr)
|
|
{
|
|
SDL_AtomicSet(&m_Stopping, 0);
|
|
}
|
|
|
|
NullThreadedVsyncSource::~NullThreadedVsyncSource()
|
|
{
|
|
if (m_Thread != nullptr) {
|
|
SDL_AtomicSet(&m_Stopping, 1);
|
|
SDL_WaitThread(m_Thread, nullptr);
|
|
}
|
|
}
|
|
|
|
bool NullThreadedVsyncSource::initialize(SDL_Window*, int displayFps)
|
|
{
|
|
m_DisplayFps = displayFps;
|
|
m_Thread = SDL_CreateThread(vsyncThread, "NullVsync", this);
|
|
if (m_Thread == nullptr) {
|
|
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
|
|
"Unable to create DX V-sync thread: %s",
|
|
SDL_GetError());
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
int NullThreadedVsyncSource::vsyncThread(void* context)
|
|
{
|
|
NullThreadedVsyncSource* me = reinterpret_cast<NullThreadedVsyncSource*>(context);
|
|
|
|
#if SDL_VERSION_ATLEAST(2, 0, 9)
|
|
SDL_SetThreadPriority(SDL_THREAD_PRIORITY_TIME_CRITICAL);
|
|
#else
|
|
SDL_SetThreadPriority(SDL_THREAD_PRIORITY_HIGH);
|
|
#endif
|
|
|
|
while (SDL_AtomicGet(&me->m_Stopping) == 0) {
|
|
me->m_Pacer->vsyncCallback(1000 / me->m_DisplayFps);
|
|
}
|
|
|
|
return 0;
|
|
}
|