Add a method for effects to create persistent buffer data

2 files changed, 13 insertions, 1 deletions

diff --git a/al/auxeffectslot.cpp b/al/auxeffectslot.cpp
index bfacb290..88512bef 100644
--- a/al/auxeffectslot.cpp
+++ b/al/auxeffectslot.cpp
@@ -460,7 +460,14 @@ START_API_FUNC
                 DecrementRef(oldbuffer->ref);
             slot->Buffer = buffer;
 
-            /* TODO: Create a shared effectstate representation of the buffer. */
+            slot->Effect.Buffer = nullptr;
+            if(buffer)
+            {
+                FPUCtl mixer_mode{};
+                auto *state = slot->Effect.State.get();
+                slot->Effect.Buffer.reset(state->createBuffer(device, buffer->mData.data(),
+                    buffer->Frequency, buffer->mFmtType, buffer->mFmtChannels, buffer->SampleLen));
+            }
         }
         break;
 
@@ -730,6 +737,10 @@ ALenum ALeffectslot::initEffect(ALeffect *effect, ALCcontext *context)
         {
             FPUCtl mixer_mode{};
             State->deviceUpdate(Device);
+            Effect.Buffer = nullptr;
+            if(Buffer)
+                Effect.Buffer.reset(State->createBuffer(Device, Buffer->mData.data(),
+                    Buffer->Frequency, Buffer->mFmtType, Buffer->mFmtChannels, Buffer->SampleLen));
         }
 
         if(!effect)
diff --git a/al/auxeffectslot.h b/al/auxeffectslot.h
index 71f99a11..de640b58 100644
--- a/al/auxeffectslot.h
+++ b/al/auxeffectslot.h
@@ -50,6 +50,7 @@ struct ALeffectslot {
         EffectProps Props{};
 
         al::intrusive_ptr<EffectState> State;
+        al::intrusive_ptr<EffectBufferBase> Buffer;
     } Effect;
 
     std::atomic_flag PropsClean;