From 292ea0607ddd3df4edced130cc041ba2de13cf27 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Sat, 16 Jul 2011 03:15:28 -0700
Subject: [PATCH] Request a slot update when the gain changes

---
 OpenAL32/alAuxEffectSlot.c | 3 +++
 1 file changed, 3 insertions(+)

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;