diff options
Diffstat (limited to 'alc/mixer/mixer_sse2.cpp')
| -rw-r--r-- | alc/mixer/mixer_sse2.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/alc/mixer/mixer_sse2.cpp b/alc/mixer/mixer_sse2.cpp index e3443f4e..b126cd25 100644 --- a/alc/mixer/mixer_sse2.cpp +++ b/alc/mixer/mixer_sse2.cpp @@ -29,13 +29,12 @@ template<> const ALfloat *Resample_<LerpTag,SSE2Tag>(const InterpState*, const ALfloat *RESTRICT src, - ALsizei frac, ALint increment, const al::span<float> dst) + ALuint frac, ALint increment, const al::span<float> dst) { const __m128i increment4{_mm_set1_epi32(increment*4)}; const __m128 fracOne4{_mm_set1_ps(1.0f/FRACTIONONE)}; const __m128i fracMask4{_mm_set1_epi32(FRACTIONMASK)}; - ASSUME(frac >= 0); ASSUME(increment > 0); alignas(16) ALsizei pos_[4], frac_[4]; @@ -70,15 +69,15 @@ const ALfloat *Resample_<LerpTag,SSE2Tag>(const InterpState*, const ALfloat *RES /* NOTE: These four elements represent the position *after* the last four * samples, so the lowest element is the next position to resample. */ - ALsizei pos{_mm_cvtsi128_si32(pos4)}; + src += static_cast<ALuint>(_mm_cvtsi128_si32(pos4)); frac = _mm_cvtsi128_si32(frac4); while(dst_iter != dst.end()) { - *(dst_iter++) = lerp(src[pos], src[pos+1], frac * (1.0f/FRACTIONONE)); + *(dst_iter++) = lerp(src[0], src[1], frac * (1.0f/FRACTIONONE)); frac += increment; - pos += frac>>FRACTIONBITS; + src += frac>>FRACTIONBITS; frac &= FRACTIONMASK; } return dst.begin(); |