Fix compiling problems on VS2019 with vc142 toolset

Msvc142 in VS2019 preview 2 doesn't allow std::atomic_flag to be initialized by a bool. Call test_and_set in the constructors instead.

3 files changed, 6 insertions, 4 deletions

diff --git a/OpenAL32/Include/alAuxEffectSlot.h b/OpenAL32/Include/alAuxEffectSlot.h
index e761280a..61865397 100644
--- a/OpenAL32/Include/alAuxEffectSlot.h
+++ b/OpenAL32/Include/alAuxEffectSlot.h
@@ -73,7 +73,7 @@ struct ALeffectslot {
         EffectState *State{nullptr};
     } Effect;
 
-    std::atomic_flag PropsClean{true};
+    std::atomic_flag PropsClean;
 
     RefCount ref{0u};
 
@@ -113,7 +113,7 @@ struct ALeffectslot {
      */
     alignas(16) ALfloat WetBuffer[MAX_EFFECT_CHANNELS][BUFFERSIZE];
 
-    ALeffectslot() = default;
+    ALeffectslot() { PropsClean.test_and_set(); }
     ALeffectslot(const ALeffectslot&) = delete;
     ALeffectslot& operator=(const ALeffectslot&) = delete;
     ~ALeffectslot();
diff --git a/OpenAL32/Include/alListener.h b/OpenAL32/Include/alListener.h
index 0aa28a46..7b5b8b20 100644
--- a/OpenAL32/Include/alListener.h
+++ b/OpenAL32/Include/alListener.h
@@ -30,7 +30,7 @@ struct ALlistener {
     std::array<ALfloat,3> OrientUp{{0.0f, 1.0f, 0.0f}};
     ALfloat Gain{1.0f};
 
-    std::atomic_flag PropsClean{true};
+    std::atomic_flag PropsClean;
 
     /* Pointer to the most recent property values that are awaiting an update.
      */
@@ -50,6 +50,8 @@ struct ALlistener {
         ALboolean SourceDistanceModel;
         DistanceModel mDistanceModel;
     } Params;
+
+    ALlistener() { PropsClean.test_and_set(); }
 };
 
 void UpdateListenerProps(ALCcontext *context);
diff --git a/OpenAL32/Include/alSource.h b/OpenAL32/Include/alSource.h
index ac17fc0d..d02dbd5b 100644
--- a/OpenAL32/Include/alSource.h
+++ b/OpenAL32/Include/alSource.h
@@ -98,7 +98,7 @@ struct ALsource {
     /** Source Buffer Queue head. */
     ALbufferlistitem *queue;
 
-    std::atomic_flag PropsClean{true};
+    std::atomic_flag PropsClean;
 
     /* Index into the context's Voices array. Lazily updated, only checked and
      * reset when looking up the voice.