diff options
Diffstat (limited to 'Alc/alc.cpp')
-rw-r--r-- | Alc/alc.cpp | 98 |
1 files changed, 46 insertions, 52 deletions
diff --git a/Alc/alc.cpp b/Alc/alc.cpp index a8ea1c53..9fcf028a 100644 --- a/Alc/alc.cpp +++ b/Alc/alc.cpp @@ -1711,7 +1711,6 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList) ALCsizei hrtf_id = -1; ALCcontext *context; ALCuint oldFreq; - ALCsizei i; int val; // Check for attributes @@ -2248,9 +2247,6 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList) context = device->ContextList.load(); while(context) { - struct ALvoiceProps *vprops; - ALsizei pos; - if(context->DefaultSlot) { ALeffectslot *slot = context->DefaultSlot.get(); @@ -2320,7 +2316,7 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList) * auxiliary sends is changing. Active sources will have updates * respecified in UpdateAllSourceProps. */ - vprops = context->FreeVoiceProps.exchange(nullptr, std::memory_order_acq_rel); + ALvoiceProps *vprops{context->FreeVoiceProps.exchange(nullptr, std::memory_order_acq_rel)}; while(vprops) { struct ALvoiceProps *next = vprops->next.load(std::memory_order_relaxed); @@ -2329,24 +2325,27 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList) } AllocateVoices(context, context->MaxVoices, old_sends); - for(pos = 0;pos < context->VoiceCount;pos++) - { - ALvoice *voice = context->Voices[pos]; - - al_free(voice->Update.exchange(nullptr, std::memory_order_acq_rel)); + auto voices_end = context->Voices + context->VoiceCount.load(std::memory_order_relaxed); + std::for_each(context->Voices, voices_end, + [device](ALvoice *voice) -> void + { + al_free(voice->Update.exchange(nullptr, std::memory_order_acq_rel)); - if(voice->Source.load(std::memory_order_acquire) == nullptr) - continue; + if(voice->Source.load(std::memory_order_acquire) == nullptr) + return; - if(device->AvgSpeakerDist > 0.0f) - { - /* Reinitialize the NFC filters for new parameters. */ - ALfloat w1 = SPEEDOFSOUNDMETRESPERSEC / - (device->AvgSpeakerDist * device->Frequency); - for(i = 0;i < voice->NumChannels;i++) - NfcFilterCreate(&voice->Direct.Params[i].NFCtrlFilter, 0.0f, w1); + if(device->AvgSpeakerDist > 0.0f) + { + /* Reinitialize the NFC filters for new parameters. */ + ALfloat w1 = SPEEDOFSOUNDMETRESPERSEC / + (device->AvgSpeakerDist * device->Frequency); + std::for_each(voice->Direct.Params, voice->Direct.Params+voice->NumChannels, + [w1](DirectParams ¶ms) -> void + { NfcFilterCreate(¶ms.NFCtrlFilter, 0.0f, w1); } + ); + } } - } + ); srclock.unlock(); context->PropsClean.test_and_set(std::memory_order_release); @@ -2592,11 +2591,12 @@ ALCcontext_struct::~ALCcontext_struct() } TRACE("Freed " SZFMT " voice property object%s\n", count, (count==1)?"":"s"); - for(ALsizei i{0};i < VoiceCount;i++) - DeinitVoice(Voices[i]); + std::for_each(Voices, Voices + VoiceCount.load(std::memory_order_relaxed), + [](ALvoice *voice) -> void { DeinitVoice(voice); } + ); al_free(Voices); Voices = nullptr; - VoiceCount = 0; + VoiceCount.store(0, std::memory_order_relaxed); MaxVoices = 0; struct ALlistenerProps *lprops{Listener.Update.load(std::memory_order_relaxed)}; @@ -2747,15 +2747,8 @@ ALCcontext *GetContextRef(void) void AllocateVoices(ALCcontext *context, ALsizei num_voices, ALsizei old_sends) { - ALCdevice *device = context->Device; - ALsizei num_sends = device->NumAuxSends; - struct ALvoiceProps *props; - size_t sizeof_props; - size_t sizeof_voice; - ALvoice **voices; - ALvoice *voice; - ALsizei v = 0; - size_t size; + ALCdevice *device{context->Device}; + ALsizei num_sends{device->NumAuxSends}; if(num_voices == context->MaxVoices && num_sends == old_sends) return; @@ -2764,53 +2757,54 @@ void AllocateVoices(ALCcontext *context, ALsizei num_voices, ALsizei old_sends) * property set (including the dynamically-sized Send[] array) in one * chunk. */ - sizeof_voice = RoundUp(FAM_SIZE(ALvoice, Send, num_sends), 16); - sizeof_props = RoundUp(FAM_SIZE(struct ALvoiceProps, Send, num_sends), 16); - size = sizeof(ALvoice*) + sizeof_voice + sizeof_props; + size_t sizeof_voice{RoundUp(FAM_SIZE(ALvoice, Send, num_sends), 16)}; + size_t sizeof_props{RoundUp(FAM_SIZE(struct ALvoiceProps, Send, num_sends), 16)}; + size_t size{sizeof(ALvoice*) + sizeof_voice + sizeof_props}; - voices = static_cast<ALvoice**>(al_calloc(16, RoundUp(size*num_voices, 16))); + auto voices = static_cast<ALvoice**>(al_calloc(16, RoundUp(size*num_voices, 16))); /* The voice and property objects are stored interleaved since they're * paired together. */ - voice = (ALvoice*)((char*)voices + RoundUp(num_voices*sizeof(ALvoice*), 16)); - props = (struct ALvoiceProps*)((char*)voice + sizeof_voice); + auto voice = reinterpret_cast<ALvoice*>((char*)voices + RoundUp(num_voices*sizeof(ALvoice*), 16)); + auto props = reinterpret_cast<ALvoiceProps*>((char*)voice + sizeof_voice); + ALsizei v{0}; if(context->Voices) { - const ALsizei v_count = mini(context->VoiceCount, num_voices); + const ALsizei v_count = mini(context->VoiceCount.load(std::memory_order_relaxed), + num_voices); const ALsizei s_count = mini(old_sends, num_sends); for(;v < v_count;v++) { - ALvoice *old_voice = context->Voices[v]; - ALsizei i; + ALvoice *old_voice{context->Voices[v]}; /* Copy the old voice data and source property set to the new * storage. */ memcpy(voice, old_voice, sizeof(*voice)); - for(i = 0;i < s_count;i++) - voice->Send[i] = old_voice->Send[i]; + std::copy_n(old_voice->Send, s_count, voice->Send); memcpy(props, old_voice->Props, sizeof(*props)); - for(i = 0;i < s_count;i++) - props->Send[i] = old_voice->Props->Send[i]; + std::copy_n(old_voice->Props->Send, s_count, props->Send); /* Set this voice's property set pointer and voice reference. */ voice->Props = props; voices[v] = voice; /* Increment pointers to the next storage space. */ - voice = (ALvoice*)((char*)props + sizeof_props); - props = (struct ALvoiceProps*)((char*)voice + sizeof_voice); + voice = reinterpret_cast<ALvoice*>((char*)props + sizeof_props); + props = reinterpret_cast<ALvoiceProps*>((char*)voice + sizeof_voice); } /* Deinit any left over voices that weren't copied over to the new * array. NOTE: If this does anything, v equals num_voices and * num_voices is less than VoiceCount, so the following loop won't do * anything. */ - for(;v < context->VoiceCount;v++) - DeinitVoice(context->Voices[v]); + auto voices_end = context->Voices + context->VoiceCount.load(std::memory_order_relaxed); + std::for_each(context->Voices + v, voices_end, + [](ALvoice *voice) -> void { DeinitVoice(voice); } + ); } /* Finish setting the voices' property set pointers and references. */ for(;v < num_voices;v++) @@ -2820,14 +2814,14 @@ void AllocateVoices(ALCcontext *context, ALsizei num_voices, ALsizei old_sends) voice->Props = props; voices[v] = voice; - voice = (ALvoice*)((char*)props + sizeof_props); - props = (struct ALvoiceProps*)((char*)voice + sizeof_voice); + voice = reinterpret_cast<ALvoice*>((char*)props + sizeof_props); + props = reinterpret_cast<ALvoiceProps*>((char*)voice + sizeof_voice); } al_free(context->Voices); context->Voices = voices; context->MaxVoices = num_voices; - context->VoiceCount = mini(context->VoiceCount, num_voices); + context->VoiceCount = mini(context->VoiceCount.load(std::memory_order_relaxed), num_voices); } |