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-rw-r--r--OpenAL32/alAuxEffectSlot.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/OpenAL32/alAuxEffectSlot.c b/OpenAL32/alAuxEffectSlot.c
index 797c8237..2d8cf06f 100644
--- a/OpenAL32/alAuxEffectSlot.c
+++ b/OpenAL32/alAuxEffectSlot.c
@@ -264,7 +264,10 @@ AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotf(ALuint effectslot, ALenum param
{
case AL_EFFECTSLOT_GAIN:
if(flValue >= 0.0f && flValue <= 1.0f)
+ {
EffectSlot->Gain = flValue;
+ EffectSlot->NeedsUpdate = AL_TRUE;
+ }
else
alSetError(Context, AL_INVALID_VALUE);
break;