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AudioCommon/WASAPI: Use leaner memory model on m_running, no need for a full barrier

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Silent 2019-08-17 10:13:01 +02:00
parent ee60be4501
commit 7d59ad262f
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GPG Key ID: AE53149BB0C45AF1
1 changed files with 4 additions and 4 deletions
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8
Source/Core/AudioCommon/WASAPIStream.cpp
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@ -45,7 +45,7 @@ WASAPIStream::WASAPIStream()
WASAPIStream::~WASAPIStream() WASAPIStream::~WASAPIStream()
{ {
m_running = false; m_running.store(false, std::memory_order_relaxed);
if (m_thread.joinable()) if (m_thread.joinable())
m_thread.join(); m_thread.join();
} }
@ -327,12 +327,12 @@ bool WASAPIStream::SetRunning(bool running)
m_audio_renderer = std::move(audio_renderer); m_audio_renderer = std::move(audio_renderer);
m_need_data_event = std::move(need_data_event); m_need_data_event = std::move(need_data_event);
m_running = true; m_running.store(true, std::memory_order_relaxed);
m_thread = std::thread([this] { SoundLoop(); }); m_thread = std::thread([this] { SoundLoop(); });
} }
else else
{ {
m_running = false; m_running.store(false, std::memory_order_relaxed);
if (m_thread.joinable()) if (m_thread.joinable())
m_thread.join(); m_thread.join();
@ -356,7 +356,7 @@ void WASAPIStream::SoundLoop()
m_audio_renderer->ReleaseBuffer(m_frames_in_buffer, AUDCLNT_BUFFERFLAGS_SILENT); m_audio_renderer->ReleaseBuffer(m_frames_in_buffer, AUDCLNT_BUFFERFLAGS_SILENT);
} }
while (m_running) while (m_running.load(std::memory_order_relaxed))
{ {
if (!m_audio_renderer) if (!m_audio_renderer)
continue; continue;