mirror of
https://github.com/moonlight-stream/moonlight-qt
synced 2024-12-15 13:52:28 +00:00
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#include "nullthreadedvsyncsource.h"
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NullThreadedVsyncSource::NullThreadedVsyncSource(Pacer* pacer) :
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m_Pacer(pacer),
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m_Thread(nullptr)
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{
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SDL_AtomicSet(&m_Stopping, 0);
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}
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NullThreadedVsyncSource::~NullThreadedVsyncSource()
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{
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if (m_Thread != nullptr) {
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SDL_AtomicSet(&m_Stopping, 1);
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SDL_WaitThread(m_Thread, nullptr);
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}
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}
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bool NullThreadedVsyncSource::initialize(SDL_Window*, int displayFps)
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{
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m_DisplayFps = displayFps;
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m_Thread = SDL_CreateThread(vsyncThread, "NullVsync", this);
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if (m_Thread == nullptr) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
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"Unable to create DX V-sync thread: %s",
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SDL_GetError());
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return false;
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}
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return true;
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}
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int NullThreadedVsyncSource::vsyncThread(void* context)
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{
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NullThreadedVsyncSource* me = reinterpret_cast<NullThreadedVsyncSource*>(context);
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#if SDL_VERSION_ATLEAST(2, 0, 9)
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SDL_SetThreadPriority(SDL_THREAD_PRIORITY_TIME_CRITICAL);
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#else
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SDL_SetThreadPriority(SDL_THREAD_PRIORITY_HIGH);
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#endif
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while (SDL_AtomicGet(&me->m_Stopping) == 0) {
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me->m_Pacer->vsyncCallback(1000 / me->m_DisplayFps);
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}
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return 0;
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}
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