diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/effects/modulator.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/Alc/effects/modulator.c b/Alc/effects/modulator.c index a7c4ce36..9ec0d47e 100644 --- a/Alc/effects/modulator.c +++ b/Alc/effects/modulator.c @@ -30,14 +30,18 @@ #include "alu.h" +#define MAX_UPDATE_SAMPLES 128 + typedef struct ALmodulatorState { DERIVE_FROM_TYPE(ALeffectState); - void (*Process)(ALfloat*, const ALfloat*, ALsizei, const ALsizei, ALsizei); + void (*GetSamples)(ALfloat*, ALsizei, const ALsizei, ALsizei); ALsizei index; ALsizei step; + alignas(16) ALfloat ModSamples[MAX_UPDATE_SAMPLES]; + struct { ALfilterState Filter; @@ -75,15 +79,15 @@ static inline ALfloat Square(ALsizei index) } #define DECL_TEMPLATE(func) \ -static void Modulate##func(ALfloat *restrict dst, const ALfloat *restrict src,\ - ALsizei index, const ALsizei step, ALsizei todo) \ +static void Modulate##func(ALfloat *restrict dst, ALsizei index, \ + const ALsizei step, ALsizei todo) \ { \ ALsizei i; \ for(i = 0;i < todo;i++) \ { \ index += step; \ index &= WAVEFORM_FRACMASK; \ - dst[i] = src[i] * func(index); \ + dst[i] = func(index); \ } \ } @@ -127,11 +131,11 @@ static ALvoid ALmodulatorState_update(ALmodulatorState *state, const ALCcontext ALsizei i; if(props->Modulator.Waveform == AL_RING_MODULATOR_SINUSOID) - state->Process = ModulateSin; + state->GetSamples = ModulateSin; else if(props->Modulator.Waveform == AL_RING_MODULATOR_SAWTOOTH) - state->Process = ModulateSaw; + state->GetSamples = ModulateSaw; else /*if(Slot->Params.EffectProps.Modulator.Waveform == AL_RING_MODULATOR_SQUARE)*/ - state->Process = ModulateSquare; + state->GetSamples = ModulateSquare; state->step = fastf2i(props->Modulator.Frequency*WAVEFORM_FRACONE / device->Frequency); @@ -158,30 +162,32 @@ static ALvoid ALmodulatorState_update(ALmodulatorState *state, const ALCcontext static ALvoid ALmodulatorState_process(ALmodulatorState *state, ALsizei SamplesToDo, const ALfloat (*restrict SamplesIn)[BUFFERSIZE], ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALsizei NumChannels) { + ALfloat *restrict modsamples = ASSUME_ALIGNED(state->ModSamples, 16); const ALsizei step = state->step; - ALsizei index = state->index; ALsizei base; for(base = 0;base < SamplesToDo;) { - ALfloat temps[2][128]; - ALsizei td = mini(128, SamplesToDo-base); - ALsizei i; + alignas(16) ALfloat temps[2][MAX_UPDATE_SAMPLES]; + ALsizei td = mini(MAX_UPDATE_SAMPLES, SamplesToDo-base); + ALsizei c, i; + + state->GetSamples(modsamples, state->index, step, td); + state->index += (step*td) & WAVEFORM_FRACMASK; + state->index &= WAVEFORM_FRACMASK; - for(i = 0;i < MAX_EFFECT_CHANNELS;i++) + for(c = 0;c < MAX_EFFECT_CHANNELS;c++) { - ALfilterState_process(&state->Chans[i].Filter, temps[0], &SamplesIn[i][base], td); - state->Process(temps[1], temps[0], index, step, td); + ALfilterState_process(&state->Chans[c].Filter, temps[0], &SamplesIn[c][base], td); + for(i = 0;i < td;i++) + temps[1][i] = temps[0][i] * modsamples[i]; - MixSamples(temps[1], NumChannels, SamplesOut, state->Chans[i].CurrentGains, - state->Chans[i].TargetGains, SamplesToDo-base, base, td); + MixSamples(temps[1], NumChannels, SamplesOut, state->Chans[c].CurrentGains, + state->Chans[c].TargetGains, SamplesToDo-base, base, td); } - index += (step*td) & WAVEFORM_FRACMASK; - index &= WAVEFORM_FRACMASK; base += td; } - state->index = index; } |