AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void)
{
ALCcontext *Context;
Context = GetContextRef();
if(!Context) return;
if(!Context->DeferUpdates)
{
ALboolean UpdateSources;
ALsource **src, **src_end;
ALeffectslot **slot, **slot_end;
FPUCtl oldMode;
SetMixerFPUMode(&oldMode);
LockContext(Context);
Context->DeferUpdates = AL_TRUE;
/* Make sure all pending updates are performed */
UpdateSources = ExchangeInt(&Context->UpdateSources, AL_FALSE);
src = Context->ActiveSources;
src_end = src + Context->ActiveSourceCount;
while(src != src_end)
{
if((*src)->state != AL_PLAYING)
{
Context->ActiveSourceCount--;
*src = *(--src_end);
continue;
}
if(ExchangeInt(&(*src)->NeedsUpdate, AL_FALSE) || UpdateSources)
ALsource_Update(*src, Context);
src++;
}
slot = Context->ActiveEffectSlots;
slot_end = slot + Context->ActiveEffectSlotCount;
while(slot != slot_end)
{
if(ExchangeInt(&(*slot)->NeedsUpdate, AL_FALSE))
ALeffectState_Update((*slot)->EffectState, Context->Device, *slot);
slot++;
}
UnlockContext(Context);
RestoreFPUMode(&oldMode);
}
ALCcontext_DecRef(Context);
}
ALenum InitializeEffect(ALCdevice *Device, ALeffectslot *EffectSlot, ALeffect *effect)
{
ALenum newtype = (effect ? effect->type : AL_EFFECT_NULL);
ALeffectState *State = NULL;
ALenum err = AL_NO_ERROR;
LockDevice(Device);
if(newtype == AL_EFFECT_NULL && EffectSlot->effect.type != AL_EFFECT_NULL)
{
State = NoneCreate();
if(!State) err = AL_OUT_OF_MEMORY;
}
else if(newtype == AL_EFFECT_EAXREVERB || newtype == AL_EFFECT_REVERB)
{
if(EffectSlot->effect.type != AL_EFFECT_EAXREVERB && EffectSlot->effect.type != AL_EFFECT_REVERB)
{
State = ReverbCreate();
if(!State) err = AL_OUT_OF_MEMORY;
}
}
else if(newtype == AL_EFFECT_ECHO && EffectSlot->effect.type != AL_EFFECT_ECHO)
{
State = EchoCreate();
if(!State) err = AL_OUT_OF_MEMORY;
}
else if(newtype == AL_EFFECT_RING_MODULATOR && EffectSlot->effect.type != AL_EFFECT_RING_MODULATOR)
{
State = ModulatorCreate();
if(!State) err = AL_OUT_OF_MEMORY;
}
else if(newtype == AL_EFFECT_DEDICATED_DIALOGUE || newtype == AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT)
{
if(EffectSlot->effect.type != AL_EFFECT_DEDICATED_DIALOGUE && EffectSlot->effect.type != AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT)
{
State = DedicatedCreate();
if(!State) err = AL_OUT_OF_MEMORY;
}
}
if(err != AL_NO_ERROR)
{
UnlockDevice(Device);
return err;
}
if(State)
{
int oldMode;
oldMode = SetMixerFPUMode();
if(ALeffectState_DeviceUpdate(State, Device) == AL_FALSE)
{
RestoreFPUMode(oldMode);
UnlockDevice(Device);
ALeffectState_Destroy(State);
return AL_OUT_OF_MEMORY;
}
State = ExchangePtr((XchgPtr*)&EffectSlot->EffectState, State);
if(!effect)
memset(&EffectSlot->effect, 0, sizeof(EffectSlot->effect));
else
memcpy(&EffectSlot->effect, effect, sizeof(*effect));
/* FIXME: This should be done asynchronously, but since the EffectState
* object was changed, it needs an update before its Process method can
* be called. */
EffectSlot->NeedsUpdate = AL_FALSE;
ALeffectState_Update(EffectSlot->EffectState, Device, EffectSlot);
UnlockDevice(Device);
RestoreFPUMode(oldMode);
ALeffectState_Destroy(State);
State = NULL;
}
else
{
if(!effect)
memset(&EffectSlot->effect, 0, sizeof(EffectSlot->effect));
else
memcpy(&EffectSlot->effect, effect, sizeof(*effect));
UnlockDevice(Device);
EffectSlot->NeedsUpdate = AL_TRUE;
}
return AL_NO_ERROR;
}
