diff options
Diffstat (limited to 'Alc/mixer_sse.c')
| -rw-r--r-- | Alc/mixer_sse.c | 111 |
1 files changed, 26 insertions, 85 deletions
diff --git a/Alc/mixer_sse.c b/Alc/mixer_sse.c index 64fd1c12..970619ec 100644 --- a/Alc/mixer_sse.c +++ b/Alc/mixer_sse.c @@ -138,124 +138,65 @@ static inline void ApplyCoeffs(ALuint Offset, ALfloat (*restrict Values)[2], #undef SUFFIX -void MixDirect_SSE(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data, - MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize) +void Mix_SSE(const ALfloat *data, ALuint OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE], + MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize) { - ALfloat DrySend, Step; - __m128 gain, step; + ALfloat gain, step; + __m128 gain4, step4; ALuint c; - for(c = 0;c < MaxChannels;c++) + for(c = 0;c < OutChans;c++) { ALuint pos = 0; - DrySend = Gains[c].Current; - Step = Gains[c].Step; - if(Step != 1.0f && Counter > 0) + gain = Gains[c].Current; + step = Gains[c].Step; + if(step != 1.0f && Counter > 0) { /* Mix with applying gain steps in aligned multiples of 4. */ if(BufferSize-pos > 3 && Counter-pos > 3) { - gain = _mm_setr_ps( - DrySend, - DrySend * Step, - DrySend * Step * Step, - DrySend * Step * Step * Step + gain4 = _mm_setr_ps( + gain, + gain * step, + gain * step * step, + gain * step * step * step ); - step = _mm_set1_ps(Step * Step * Step * Step); + step4 = _mm_set1_ps(step * step * step * step); do { const __m128 val4 = _mm_load_ps(&data[pos]); __m128 dry4 = _mm_load_ps(&OutBuffer[c][OutPos+pos]); - dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain)); - gain = _mm_mul_ps(gain, step); + dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain4)); + gain4 = _mm_mul_ps(gain4, step4); _mm_store_ps(&OutBuffer[c][OutPos+pos], dry4); pos += 4; } while(BufferSize-pos > 3 && Counter-pos > 3); - DrySend = _mm_cvtss_f32(gain); + gain = _mm_cvtss_f32(gain4); } /* Mix with applying left over gain steps that aren't aligned multiples of 4. */ for(;pos < BufferSize && pos < Counter;pos++) { - OutBuffer[c][OutPos+pos] += data[pos]*DrySend; - DrySend *= Step; + OutBuffer[c][OutPos+pos] += data[pos]*gain; + gain *= step; } if(pos == Counter) - DrySend = Gains[c].Target; - Gains[c].Current = DrySend; + gain = Gains[c].Target; + Gains[c].Current = gain; /* Mix until pos is aligned with 4 or the mix is done. */ for(;pos < BufferSize && (pos&3) != 0;pos++) - OutBuffer[c][OutPos+pos] += data[pos]*DrySend; + OutBuffer[c][OutPos+pos] += data[pos]*gain; } - if(!(DrySend > GAIN_SILENCE_THRESHOLD)) + if(!(gain > GAIN_SILENCE_THRESHOLD)) continue; - gain = _mm_set1_ps(DrySend); + gain4 = _mm_set1_ps(gain); for(;BufferSize-pos > 3;pos += 4) { const __m128 val4 = _mm_load_ps(&data[pos]); __m128 dry4 = _mm_load_ps(&OutBuffer[c][OutPos+pos]); - dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain)); + dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain4)); _mm_store_ps(&OutBuffer[c][OutPos+pos], dry4); } for(;pos < BufferSize;pos++) - OutBuffer[c][OutPos+pos] += data[pos]*DrySend; - } -} - - -void MixSend_SSE(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data, - MixGains *Gain, ALuint Counter, ALuint OutPos, ALuint BufferSize) -{ - ALfloat WetGain, Step; - __m128 gain, step; - - { - ALuint pos = 0; - WetGain = Gain[0].Current; - Step = Gain[0].Step; - if(Step != 1.0f && Counter > 0) - { - if(BufferSize-pos > 3 && Counter-pos > 3) - { - gain = _mm_setr_ps( - WetGain, - WetGain * Step, - WetGain * Step * Step, - WetGain * Step * Step * Step - ); - step = _mm_set1_ps(Step * Step * Step * Step); - do { - const __m128 val4 = _mm_load_ps(&data[pos]); - __m128 dry4 = _mm_load_ps(&OutBuffer[0][OutPos+pos]); - dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain)); - gain = _mm_mul_ps(gain, step); - _mm_store_ps(&OutBuffer[0][OutPos+pos], dry4); - pos += 4; - } while(BufferSize-pos > 3 && Counter-pos > 3); - WetGain = _mm_cvtss_f32(gain); - } - for(;pos < BufferSize && pos < Counter;pos++) - { - OutBuffer[0][OutPos+pos] += data[pos]*WetGain; - WetGain *= Step; - } - if(pos == Counter) - WetGain = Gain[0].Target; - Gain[0].Current = WetGain; - for(;pos < BufferSize && (pos&3) != 0;pos++) - OutBuffer[0][OutPos+pos] += data[pos]*WetGain; - } - - if(!(WetGain > GAIN_SILENCE_THRESHOLD)) - return; - gain = _mm_set1_ps(WetGain); - for(;BufferSize-pos > 3;pos += 4) - { - const __m128 val4 = _mm_load_ps(&data[pos]); - __m128 wet4 = _mm_load_ps(&OutBuffer[0][OutPos+pos]); - wet4 = _mm_add_ps(wet4, _mm_mul_ps(val4, gain)); - _mm_store_ps(&OutBuffer[0][OutPos+pos], wet4); - } - for(;pos < BufferSize;pos++) - OutBuffer[0][OutPos+pos] += data[pos] * WetGain; + OutBuffer[c][OutPos+pos] += data[pos]*gain; } } |