Use a temporary buffer for HRTF filter accumulation

Similar to the history buffer, to avoid using the state buffer as a ring
buffer.

1 files changed, 2 insertions, 2 deletions

diff --git a/Alc/alu.cpp b/Alc/alu.cpp
index 11ef209b..1939b7b0 100644
--- a/Alc/alu.cpp
+++ b/Alc/alu.cpp
@@ -134,8 +134,8 @@ void ProcessHrtf(ALCdevice *device, const ALsizei SamplesToDo)
     ALfloat *RightOut{device->RealOut.Buffer[ridx]};
 
     DirectHrtfState *state{device->mHrtfState.get()};
-    MixDirectHrtf(LeftOut, RightOut, device->Dry.Buffer, state, device->Dry.NumChannels,
-        SamplesToDo);
+    MixDirectHrtf(LeftOut, RightOut, device->Dry.Buffer, device->HrtfAccumData, state,
+        device->Dry.NumChannels, SamplesToDo);
     state->Offset += SamplesToDo;
 }