diff options
Diffstat (limited to 'Alc/mixer_sse.c')
| -rw-r--r-- | Alc/mixer_sse.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Alc/mixer_sse.c b/Alc/mixer_sse.c index d366ca8a..d2ea7439 100644 --- a/Alc/mixer_sse.c +++ b/Alc/mixer_sse.c @@ -156,7 +156,12 @@ void MixDirect_SSE(ALsource *Source, ALCdevice *Device, DirectParams *params, } for(c = 0;c < MaxChannels;c++) { - const __m128 gain = _mm_set1_ps(DrySend[c]); + __m128 gain; + + if(DrySend[c] < 0.00001f) + continue; + + gain = _mm_set1_ps(DrySend[c]); for(pos = 0;pos < BufferSize-3;pos += 4) { const __m128 val4 = _mm_load_ps(&data[pos]); @@ -165,15 +170,20 @@ void MixDirect_SSE(ALsource *Source, ALCdevice *Device, DirectParams *params, _mm_store_ps(&DryBuffer[c][OutPos+pos], dry4); } } + pos = BufferSize&~3; if(pos < BufferSize) { ALuint oldpos = pos; for(c = 0;c < MaxChannels;c++) { + if(DrySend[c] < 0.00001f) + continue; + pos = oldpos; for(;pos < BufferSize;pos++) DryBuffer[c][OutPos+pos] += data[pos]*DrySend[c]; } + pos = BufferSize; } if(OutPos+pos == SamplesToDo) { |