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-rw-r--r--OpenAL32/alAuxEffectSlot.c139
1 files changed, 83 insertions, 56 deletions
diff --git a/OpenAL32/alAuxEffectSlot.c b/OpenAL32/alAuxEffectSlot.c
index 038adbb0..d5c39051 100644
--- a/OpenAL32/alAuxEffectSlot.c
+++ b/OpenAL32/alAuxEffectSlot.c
@@ -38,6 +38,9 @@
extern inline void LockEffectSlotList(ALCcontext *context);
extern inline void UnlockEffectSlotList(ALCcontext *context);
+static void AddActiveEffectSlots(const ALuint *slotids, ALsizei count, ALCcontext *context);
+static void RemoveActiveEffectSlots(const ALuint *slotids, ALsizei count, ALCcontext *context);
+
static const struct {
ALenum Type;
ALeffectStateFactory* (*GetFactory)(void);
@@ -105,7 +108,6 @@ AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslo
{
ALCdevice *device;
ALCcontext *context;
- ALeffectslot **tmpslots = NULL;
ALsizei cur;
ALenum err;
@@ -114,10 +116,10 @@ AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslo
if(!(n >= 0))
SETERR_GOTO(context, AL_INVALID_VALUE, done, "Generating %d effect slots", n);
- tmpslots = al_malloc(DEF_ALIGN, sizeof(ALeffectslot*)*n);
+ if(n == 0) goto done;
- device = context->Device;
LockEffectSlotList(context);
+ device = context->Device;
if(device->AuxiliaryEffectSlotMax - VECTOR_SIZE(context->EffectSlotList) < (ALuint)n)
{
UnlockEffectSlotList(context);
@@ -162,33 +164,12 @@ AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslo
slot->id = (iter - VECTOR_BEGIN(context->EffectSlotList)) + 1;
*iter = slot;
- tmpslots[cur] = slot;
effectslots[cur] = slot->id;
}
- if(n > 0)
- {
- struct ALeffectslotArray *curarray = ATOMIC_LOAD(&context->ActiveAuxSlots, almemory_order_acquire);
- struct ALeffectslotArray *newarray = NULL;
- ALsizei newcount = curarray->count + n;
- ALCdevice *device;
-
- newarray = al_calloc(DEF_ALIGN, FAM_SIZE(struct ALeffectslotArray, slot, newcount));
- newarray->count = newcount;
- memcpy(newarray->slot, tmpslots, sizeof(ALeffectslot*)*n);
- if(curarray)
- memcpy(newarray->slot+n, curarray->slot, sizeof(ALeffectslot*)*curarray->count);
-
- newarray = ATOMIC_EXCHANGE_PTR(&context->ActiveAuxSlots, newarray,
- almemory_order_acq_rel);
- device = context->Device;
- while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
- althrd_yield();
- al_free(newarray);
- }
+ AddActiveEffectSlots(effectslots, n, context);
UnlockEffectSlotList(context);
done:
- al_free(tmpslots);
ALCcontext_DecRef(context);
}
@@ -204,6 +185,8 @@ AL_API ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, const ALuint *
LockEffectSlotList(context);
if(!(n >= 0))
SETERR_GOTO(context, AL_INVALID_VALUE, done, "Deleting %d effect slots", n);
+ if(n == 0) goto done;
+
for(i = 0;i < n;i++)
{
if((slot=LookupEffectSlot(context, effectslots[i])) == NULL)
@@ -215,37 +198,7 @@ AL_API ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, const ALuint *
}
// All effectslots are valid
- if(n > 0)
- {
- struct ALeffectslotArray *curarray = ATOMIC_LOAD(&context->ActiveAuxSlots, almemory_order_acquire);
- struct ALeffectslotArray *newarray = NULL;
- ALsizei newcount = curarray->count - n;
- ALCdevice *device;
- ALsizei j, k;
-
- assert(newcount >= 0);
- newarray = al_calloc(DEF_ALIGN, FAM_SIZE(struct ALeffectslotArray, slot, newcount));
- newarray->count = newcount;
- for(i = j = 0;i < newarray->count;)
- {
- slot = curarray->slot[j++];
- for(k = 0;k < n;k++)
- {
- if(slot->id == effectslots[k])
- break;
- }
- if(k == n)
- newarray->slot[i++] = slot;
- }
-
- newarray = ATOMIC_EXCHANGE_PTR(&context->ActiveAuxSlots, newarray,
- almemory_order_acq_rel);
- device = context->Device;
- while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
- althrd_yield();
- al_free(newarray);
- }
-
+ RemoveActiveEffectSlots(effectslots, n, context);
for(i = 0;i < n;i++)
{
if((slot=LookupEffectSlot(context, effectslots[i])) == NULL)
@@ -630,6 +583,80 @@ void ALeffectState_Destruct(ALeffectState *UNUSED(state))
}
+static void AddActiveEffectSlots(const ALuint *slotids, ALsizei count, ALCcontext *context)
+{
+ struct ALeffectslotArray *curarray = ATOMIC_LOAD(&context->ActiveAuxSlots,
+ almemory_order_acquire);
+ struct ALeffectslotArray *newarray = NULL;
+ ALsizei newcount = curarray->count + count;
+ ALCdevice *device = context->Device;
+ ALsizei i, j;
+
+ /* Insert the new effect slots into the head of the array, followed by the
+ * existing ones.
+ */
+ newarray = al_calloc(DEF_ALIGN, FAM_SIZE(struct ALeffectslotArray, slot, newcount));
+ newarray->count = newcount;
+ for(i = 0;i < count;i++)
+ newarray->slot[i] = LookupEffectSlot(context, slotids[i]);
+ for(j = 0;i < newcount;)
+ newarray->slot[i++] = curarray->slot[j++];
+ /* Remove any duplicates (first instance of each will be kept). */
+ for(i = 1;i < newcount;i++)
+ {
+ for(j = i;j != 0;)
+ {
+ if(newarray->slot[i] == newarray->slot[--j])
+ break;
+ }
+ if(j != 0)
+ {
+ newcount--;
+ for(j = i;j < newcount;j++)
+ newarray->slot[j] = newarray->slot[j+1];
+ i--;
+ }
+ }
+ newarray->count = newcount;
+
+ curarray = ATOMIC_EXCHANGE_PTR(&context->ActiveAuxSlots, newarray, almemory_order_acq_rel);
+ while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
+ althrd_yield();
+ al_free(curarray);
+}
+
+static void RemoveActiveEffectSlots(const ALuint *slotids, ALsizei count, ALCcontext *context)
+{
+ struct ALeffectslotArray *curarray = ATOMIC_LOAD(&context->ActiveAuxSlots,
+ almemory_order_acquire);
+ struct ALeffectslotArray *newarray = NULL;
+ ALsizei newcount = curarray->count - count;
+ ALCdevice *device = context->Device;
+ ALsizei i, j;
+
+ assert(newcount >= 0);
+ newarray = al_calloc(DEF_ALIGN, FAM_SIZE(struct ALeffectslotArray, slot, newcount));
+ newarray->count = newcount;
+ for(i = j = 0;i < newarray->count;)
+ {
+ ALeffectslot *slot = curarray->slot[j++];
+ ALsizei k = count;
+ while(k != 0)
+ {
+ if(slot->id == slotids[--k])
+ break;
+ }
+ if(k == 0)
+ newarray->slot[i++] = slot;
+ }
+
+ curarray = ATOMIC_EXCHANGE_PTR(&context->ActiveAuxSlots, newarray, almemory_order_acq_rel);
+ while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
+ althrd_yield();
+ al_free(curarray);
+}
+
+
ALenum InitEffectSlot(ALeffectslot *slot)
{
ALeffectStateFactory *factory;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 22:26:47 +0000