ALenum InitializeEffect(ALCdevice *Device, ALeffectslot *EffectSlot, ALeffect *effect)
{
ALenum newtype = (effect ? effect->type : AL_EFFECT_NULL);
ALeffectStateFactory *factory;
if(newtype != EffectSlot->Effect.Type)
{
ALeffectState *State;
FPUCtl oldMode;
factory = getFactoryByType(newtype);
if(!factory)
{
ERR("Failed to find factory for effect type 0x%04x\n", newtype);
return AL_INVALID_ENUM;
}
State = V0(factory,create)();
if(!State)
return AL_OUT_OF_MEMORY;
SetMixerFPUMode(&oldMode);
/* FIXME: This just needs to prevent the device from being reset during
* the state's device update, so the list lock in ALc.c should do here.
*/
ALCdevice_Lock(Device);
State->OutBuffer = Device->Dry.Buffer;
State->OutChannels = Device->Dry.NumChannels;
if(V(State,deviceUpdate)(Device) == AL_FALSE)
{
ALCdevice_Unlock(Device);
RestoreFPUMode(&oldMode);
DELETE_OBJ(State);
return AL_OUT_OF_MEMORY;
}
ALCdevice_Unlock(Device);
RestoreFPUMode(&oldMode);
if(!effect)
{
EffectSlot->Effect.Type = AL_EFFECT_NULL;
memset(&EffectSlot->Effect.Props, 0, sizeof(EffectSlot->Effect.Props));
}
else
{
EffectSlot->Effect.Type = effect->type;
memcpy(&EffectSlot->Effect.Props, &effect->Props, sizeof(EffectSlot->Effect.Props));
}
EffectSlot->Effect.State = State;
UpdateEffectSlotProps(EffectSlot, AL_TRUE);
}
else if(effect)
{
memcpy(&EffectSlot->Effect.Props, &effect->Props, sizeof(EffectSlot->Effect.Props));
UpdateEffectSlotProps(EffectSlot, AL_FALSE);
}
return AL_NO_ERROR;
}
AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void)
{
ALCcontext *context;
context = GetContextRef();
if(!context) return;
if(!context->DeferUpdates)
{
ALboolean UpdateSources;
ALactivesource **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 = ATOMIC_EXCHANGE(ALenum, &context->UpdateSources, AL_FALSE);
src = context->ActiveSources;
src_end = src + context->ActiveSourceCount;
while(src != src_end)
{
ALsource *source = (*src)->Source;
if(source->state != AL_PLAYING && source->state != AL_PAUSED)
{
ALactivesource *temp = *(--src_end);
*src_end = *src;
*src = temp;
--(context->ActiveSourceCount);
continue;
}
if(ATOMIC_EXCHANGE(ALenum, &source->NeedsUpdate, AL_FALSE) || UpdateSources)
(*src)->Update(*src, context);
src++;
}
slot = VECTOR_ITER_BEGIN(context->ActiveAuxSlots);
slot_end = VECTOR_ITER_END(context->ActiveAuxSlots);
while(slot != slot_end)
{
if(ATOMIC_EXCHANGE(ALenum, &(*slot)->NeedsUpdate, AL_FALSE))
V((*slot)->EffectState,update)(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);
ALeffectStateFactory *factory;
if(newtype != EffectSlot->Effect.Type)
{
ALeffectState *State;
FPUCtl oldMode;
factory = getFactoryByType(newtype);
if(!factory)
{
ERR("Failed to find factory for effect type 0x%04x\n", newtype);
return AL_INVALID_ENUM;
}
State = V0(factory,create)();
if(!State) return AL_OUT_OF_MEMORY;
SetMixerFPUMode(&oldMode);
almtx_lock(&Device->BackendLock);
State->OutBuffer = Device->Dry.Buffer;
State->OutChannels = Device->Dry.NumChannels;
if(V(State,deviceUpdate)(Device) == AL_FALSE)
{
almtx_unlock(&Device->BackendLock);
RestoreFPUMode(&oldMode);
DELETE_OBJ(State);
return AL_OUT_OF_MEMORY;
}
almtx_unlock(&Device->BackendLock);
RestoreFPUMode(&oldMode);
if(!effect)
{
EffectSlot->Effect.Type = AL_EFFECT_NULL;
memset(&EffectSlot->Effect.Props, 0, sizeof(EffectSlot->Effect.Props));
}
else
{
EffectSlot->Effect.Type = effect->type;
EffectSlot->Effect.Props = effect->Props;
}
EffectSlot->Effect.State = State;
UpdateEffectSlotProps(EffectSlot);
}
else if(effect)
{
EffectSlot->Effect.Props = effect->Props;
UpdateEffectSlotProps(EffectSlot);
}
return AL_NO_ERROR;
}
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))
VCALL((*slot)->EffectState,update,(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);
ALeffectStateFactory *factory;
if(newtype != EffectSlot->EffectType)
{
ALeffectState *State;
FPUCtl oldMode;
factory = getFactoryByType(newtype);
if(!factory)
{
ERR("Failed to find factory for effect type 0x%04x\n", newtype);
return AL_INVALID_ENUM;
}
State = V0(factory,create)();
if(!State)
return AL_OUT_OF_MEMORY;
SetMixerFPUMode(&oldMode);
ALCdevice_Lock(Device);
if(V(State,deviceUpdate)(Device) == AL_FALSE)
{
ALCdevice_Unlock(Device);
RestoreFPUMode(&oldMode);
DELETE_OBJ(State);
return AL_OUT_OF_MEMORY;
}
State = ExchangePtr((XchgPtr*)&EffectSlot->EffectState, State);
if(!effect)
{
memset(&EffectSlot->EffectProps, 0, sizeof(EffectSlot->EffectProps));
EffectSlot->EffectType = AL_EFFECT_NULL;
}
else
{
memcpy(&EffectSlot->EffectProps, &effect->Props, sizeof(effect->Props));
EffectSlot->EffectType = effect->type;
}
/* FIXME: This should be done asynchronously, but since the EffectState
* object was changed, it needs an update before its Process method can
* be called. */
ATOMIC_STORE(&EffectSlot->NeedsUpdate, AL_FALSE);
V(EffectSlot->EffectState,update)(Device, EffectSlot);
ALCdevice_Unlock(Device);
RestoreFPUMode(&oldMode);
DELETE_OBJ(State);
State = NULL;
}
else
{
if(effect)
{
ALCdevice_Lock(Device);
memcpy(&EffectSlot->EffectProps, &effect->Props, sizeof(effect->Props));
ALCdevice_Unlock(Device);
ATOMIC_STORE(&EffectSlot->NeedsUpdate, AL_TRUE);
}
}
return AL_NO_ERROR;
}
ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size)
{
ALuint SamplesToDo;
ALeffectslot **slot, **slot_end;
ALvoice *voice, *voice_end;
ALCcontext *ctx;
FPUCtl oldMode;
ALuint i, c;
SetMixerFPUMode(&oldMode);
while(size > 0)
{
ALfloat (*OutBuffer)[BUFFERSIZE];
ALuint OutChannels;
IncrementRef(&device->MixCount);
OutBuffer = device->DryBuffer;
OutChannels = device->NumChannels;
SamplesToDo = minu(size, BUFFERSIZE);
for(c = 0;c < OutChannels;c++)
memset(OutBuffer[c], 0, SamplesToDo*sizeof(ALfloat));
if(device->Hrtf)
{
/* Set OutBuffer/OutChannels to correspond to the actual output
* with HRTF. Make sure to clear them too. */
OutBuffer += OutChannels;
OutChannels = 2;
for(c = 0;c < OutChannels;c++)
memset(OutBuffer[c], 0, SamplesToDo*sizeof(ALfloat));
}
V0(device->Backend,lock)();
V(device->Synth,process)(SamplesToDo, OutBuffer, OutChannels);
ctx = ATOMIC_LOAD(&device->ContextList);
while(ctx)
{
ALenum DeferUpdates = ctx->DeferUpdates;
ALenum UpdateSources = AL_FALSE;
if(!DeferUpdates)
UpdateSources = ATOMIC_EXCHANGE(ALenum, &ctx->UpdateSources, AL_FALSE);
if(UpdateSources)
CalcListenerParams(ctx->Listener);
/* source processing */
voice = ctx->Voices;
voice_end = voice + ctx->VoiceCount;
while(voice != voice_end)
{
ALsource *source = voice->Source;
if(!source) goto next;
if(source->state != AL_PLAYING && source->state != AL_PAUSED)
{
voice->Source = NULL;
goto next;
}
if(!DeferUpdates && (ATOMIC_EXCHANGE(ALenum, &source->NeedsUpdate, AL_FALSE) ||
UpdateSources))
voice->Update(voice, source, ctx);
if(source->state != AL_PAUSED)
MixSource(voice, source, device, SamplesToDo);
next:
voice++;
}
/* effect slot processing */
slot = VECTOR_ITER_BEGIN(ctx->ActiveAuxSlots);
slot_end = VECTOR_ITER_END(ctx->ActiveAuxSlots);
while(slot != slot_end)
{
if(!DeferUpdates && ATOMIC_EXCHANGE(ALenum, &(*slot)->NeedsUpdate, AL_FALSE))
V((*slot)->EffectState,update)(device, *slot);
V((*slot)->EffectState,process)(SamplesToDo, (*slot)->WetBuffer[0],
device->DryBuffer, device->NumChannels);
for(i = 0;i < SamplesToDo;i++)
(*slot)->WetBuffer[0][i] = 0.0f;
slot++;
}
ctx = ctx->next;
}
slot = &device->DefaultSlot;
if(*slot != NULL)
{
if(ATOMIC_EXCHANGE(ALenum, &(*slot)->NeedsUpdate, AL_FALSE))
V((*slot)->EffectState,update)(device, *slot);
V((*slot)->EffectState,process)(SamplesToDo, (*slot)->WetBuffer[0],
device->DryBuffer, device->NumChannels);
for(i = 0;i < SamplesToDo;i++)
(*slot)->WetBuffer[0][i] = 0.0f;
}
/* Increment the clock time. Every second's worth of samples is
* converted and added to clock base so that large sample counts don't
* overflow during conversion. This also guarantees an exact, stable
* conversion. */
device->SamplesDone += SamplesToDo;
device->ClockBase += (device->SamplesDone/device->Frequency) * DEVICE_CLOCK_RES;
device->SamplesDone %= device->Frequency;
V0(device->Backend,unlock)();
if(device->Hrtf)
{
HrtfMixerFunc HrtfMix = SelectHrtfMixer();
ALuint irsize = GetHrtfIrSize(device->Hrtf);
for(c = 0;c < device->NumChannels;c++)
HrtfMix(OutBuffer, device->DryBuffer[c], 0, device->Hrtf_Offset,
0, irsize, &device->Hrtf_Params[c], &device->Hrtf_State[c],
SamplesToDo
);
device->Hrtf_Offset += SamplesToDo;
}
else if(device->Bs2b)
{
/* Apply binaural/crossfeed filter */
for(i = 0;i < SamplesToDo;i++)
{
float samples[2];
samples[0] = device->DryBuffer[0][i];
samples[1] = device->DryBuffer[1][i];
bs2b_cross_feed(device->Bs2b, samples);
device->DryBuffer[0][i] = samples[0];
device->DryBuffer[1][i] = samples[1];
}
}
if(buffer)
{
#define WRITE(T, a, b, c, d) do { \
Write_##T((a), (b), (c), (d)); \
buffer = (T*)buffer + (c)*(d); \
} while(0)
switch(device->FmtType)
{
case DevFmtByte:
WRITE(ALbyte, OutBuffer, buffer, SamplesToDo, OutChannels);
break;
case DevFmtUByte:
WRITE(ALubyte, OutBuffer, buffer, SamplesToDo, OutChannels);
break;
case DevFmtShort:
WRITE(ALshort, OutBuffer, buffer, SamplesToDo, OutChannels);
break;
case DevFmtUShort:
WRITE(ALushort, OutBuffer, buffer, SamplesToDo, OutChannels);
break;
case DevFmtInt:
WRITE(ALint, OutBuffer, buffer, SamplesToDo, OutChannels);
break;
case DevFmtUInt:
WRITE(ALuint, OutBuffer, buffer, SamplesToDo, OutChannels);
break;
case DevFmtFloat:
WRITE(ALfloat, OutBuffer, buffer, SamplesToDo, OutChannels);
break;
}
#undef WRITE
}
size -= SamplesToDo;
IncrementRef(&device->MixCount);
}
RestoreFPUMode(&oldMode);
}
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;
}
