Store a reference to the effect buffer as an active property

1 files changed, 18 insertions, 0 deletions

diff --git a/alc/alu.cpp b/alc/alu.cpp
index aed79b14..47b3ad36 100644
--- a/alc/alu.cpp
+++ b/alc/alu.cpp
@@ -505,6 +505,24 @@ bool CalcEffectSlotParams(ALeffectslot *slot, ALeffectslot **sorted_slots, ALCco
         }
     }
 
+    EffectBufferBase *buffer{props->Buffer.release()};
+    EffectBufferBase *oldbuffer{slot->Params.mEffectBuffer};
+    slot->Params.mEffectBuffer = buffer;
+
+    if(oldbuffer && !oldbuffer->releaseIfNoDelete())
+    {
+        RingBuffer *ring{context->mAsyncEvents.get()};
+        auto evt_vec = ring->getWriteVector();
+        if LIKELY(evt_vec.first.len > 0)
+        {
+            AsyncEvent *evt{::new(evt_vec.first.buf) AsyncEvent{EventType_ReleaseEffectBuffer}};
+            evt->u.mEffectBuffer = oldbuffer;
+            ring->writeAdvance(1);
+        }
+        else
+            props->Buffer.reset(oldbuffer);
+    }
+
     AtomicReplaceHead(context->mFreeEffectslotProps, props);
 
     EffectTarget output;