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-rw-r--r--OpenAL32/Include/alAuxEffectSlot.h2
-rw-r--r--OpenAL32/alAuxEffectSlot.c10
-rw-r--r--OpenAL32/alSource.c6
3 files changed, 18 insertions, 0 deletions
diff --git a/OpenAL32/Include/alAuxEffectSlot.h b/OpenAL32/Include/alAuxEffectSlot.h
index dba2c207..66b3ba20 100644
--- a/OpenAL32/Include/alAuxEffectSlot.h
+++ b/OpenAL32/Include/alAuxEffectSlot.h
@@ -21,6 +21,8 @@ typedef struct ALeffectslot
ALfloat Gain;
ALboolean AuxSendAuto;
+ ALuint refcount;
+
// Index to itself
ALuint effectslot;
diff --git a/OpenAL32/alAuxEffectSlot.c b/OpenAL32/alAuxEffectSlot.c
index 7eae3476..f39659e9 100644
--- a/OpenAL32/alAuxEffectSlot.c
+++ b/OpenAL32/alAuxEffectSlot.c
@@ -70,6 +70,7 @@ AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslo
(*list)->Gain = 1.0;
(*list)->AuxSendAuto = AL_TRUE;
+ (*list)->refcount = 0;
effectslots[i] = (ALuint)ALTHUNK_ADDENTRY(*list);
(*list)->effectslot = effectslots[i];
@@ -112,6 +113,15 @@ AL_API ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, ALuint *effect
alSetError(AL_INVALID_NAME);
break;
}
+ else
+ {
+ ALAuxiliaryEffectSlot = (ALeffectslot*)ALTHUNK_LOOKUPENTRY(effectslots[i]);
+ if(ALAuxiliaryEffectSlot->refcount > 0)
+ {
+ alSetError(AL_INVALID_NAME);
+ break;
+ }
+ }
}
if (i == n)
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index 69da0df4..f0ac5847 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -745,7 +745,13 @@ ALAPI void ALAPIENTRY alSource3i(ALuint source, ALenum eParam, ALint lValue1, AL
ALeffectslot *ALEffectSlot = (ALeffectslot*)ALTHUNK_LOOKUPENTRY(lValue1);
ALfilter *ALFilter = (ALfilter*)ALTHUNK_LOOKUPENTRY(lValue3);
+ /* Release refcount on the previous slot, and add one for
+ * the new slot */
+ if(pSource->Send[lValue2].Slot)
+ pSource->Send[lValue2].Slot->refcount--;
pSource->Send[lValue2].Slot = ALEffectSlot;
+ if(pSource->Send[lValue2].Slot)
+ pSource->Send[lValue2].Slot->refcount++;
if(!ALFilter)
{