Avoid mixing all coefficients together when only some are used

1 files changed, 6 insertions, 4 deletions

diff --git a/Alc/effects/flanger.c b/Alc/effects/flanger.c
index d29e0f25..c323c17a 100644
--- a/Alc/effects/flanger.c
+++ b/Alc/effects/flanger.c
@@ -113,11 +113,13 @@ static ALvoid ALflangerState_update(ALflangerState *state, const ALCdevice *Devi
 
     /* Gains for left and right sides */
     CalcXYZCoeffs(-1.0f, 0.0f, 0.0f, coeffs);
-    ComputePanningGains(Device->Dry.AmbiCoeffs, Device->Dry.NumChannels, coeffs,
-                        Slot->Gain, state->Gain[0]);
+    ComputePanningGains(Device->Dry.AmbiCoeffs, Device->Dry.NumChannels,
+        Device->Dry.CoeffCount, coeffs, Slot->Gain, state->Gain[0]
+    );
     CalcXYZCoeffs( 1.0f, 0.0f, 0.0f, coeffs);
-    ComputePanningGains(Device->Dry.AmbiCoeffs, Device->Dry.NumChannels, coeffs,
-                        Slot->Gain, state->Gain[1]);
+    ComputePanningGains(Device->Dry.AmbiCoeffs, Device->Dry.NumChannels,
+        Device->Dry.CoeffCount, coeffs, Slot->Gain, state->Gain[1]
+    );
 
     phase = Slot->EffectProps.Flanger.Phase;
     rate = Slot->EffectProps.Flanger.Rate;