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Read atomic variables in the reverse order they're set

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This commit is contained in:
Chris Robinson
2018-12-04 14:48:08 -08:00
parent 31b54eb86a
commit a0967967de
1 changed files with 5 additions and 6 deletions
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Alc/alu.cpp
+5 -6
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@@ -1515,10 +1515,9 @@ void ProcessContext(ALCcontext *ctx, ALsizei SamplesToDo)
std::for_each(ctx->Voices, ctx->Voices+ctx->VoiceCount.load(std::memory_order_acquire),
[SamplesToDo,ctx](ALvoice *voice) -> void
{
ALuint sid{voice->SourceID.load(std::memory_order_acquire)};
if(!sid) return;
if(!voice->Playing.load(std::memory_order_relaxed) || voice->Step < 1)
return;
if(!voice->Playing.load(std::memory_order_acquire)) return;
ALuint sid{voice->SourceID.load(std::memory_order_relaxed)};
if(!sid || voice->Step < 1) return;
if(!MixSource(voice, sid, ctx, SamplesToDo))
{
@@ -1841,9 +1840,9 @@ void aluHandleDisconnect(ALCdevice *device, const char *msg, ...)
std::for_each(ctx->Voices, ctx->Voices+ctx->VoiceCount.load(std::memory_order_acquire),
[ctx](ALvoice *voice) -> void
{
if(!voice->Playing.load(std::memory_order_acquire)) return;
ALuint sid{voice->SourceID.load(std::memory_order_relaxed)};
if(!sid || !voice->Playing.load(std::memory_order_relaxed))
return;
if(!sid) return;
voice->SourceID.store(0u, std::memory_order_relaxed);
voice->Playing.store(false, std::memory_order_release);