diff options
Diffstat (limited to 'Alc/mixer_sse41.c')
| -rw-r--r-- | Alc/mixer_sse41.c | 81 |
1 files changed, 4 insertions, 77 deletions
diff --git a/Alc/mixer_sse41.c b/Alc/mixer_sse41.c index 7ae5bec7..61be4cae 100644 --- a/Alc/mixer_sse41.c +++ b/Alc/mixer_sse41.c @@ -109,10 +109,10 @@ const ALfloat *Resample_fir4_32_SSE41(const InterpState* UNUSED(state), const __m128 val1 = _mm_loadu_ps(&src[pos_.i[1]]); const __m128 val2 = _mm_loadu_ps(&src[pos_.i[2]]); const __m128 val3 = _mm_loadu_ps(&src[pos_.i[3]]); - __m128 k0 = _mm_load_ps(ResampleCoeffs.FIR4[frac_.i[0]]); - __m128 k1 = _mm_load_ps(ResampleCoeffs.FIR4[frac_.i[1]]); - __m128 k2 = _mm_load_ps(ResampleCoeffs.FIR4[frac_.i[2]]); - __m128 k3 = _mm_load_ps(ResampleCoeffs.FIR4[frac_.i[3]]); + __m128 k0 = _mm_load_ps(ResampleCoeffs_FIR4[frac_.i[0]]); + __m128 k1 = _mm_load_ps(ResampleCoeffs_FIR4[frac_.i[1]]); + __m128 k2 = _mm_load_ps(ResampleCoeffs_FIR4[frac_.i[2]]); + __m128 k3 = _mm_load_ps(ResampleCoeffs_FIR4[frac_.i[3]]); __m128 out; k0 = _mm_mul_ps(k0, val0); @@ -152,76 +152,3 @@ const ALfloat *Resample_fir4_32_SSE41(const InterpState* UNUSED(state), } return dst; } - -const ALfloat *Resample_fir8_32_SSE41(const InterpState* UNUSED(state), - const ALfloat *restrict src, ALuint frac, ALint increment, - ALfloat *restrict dst, ALsizei numsamples) -{ - const __m128i increment4 = _mm_set1_epi32(increment*4); - const __m128i fracMask4 = _mm_set1_epi32(FRACTIONMASK); - union { alignas(16) ALint i[4]; float f[4]; } pos_; - union { alignas(16) ALuint i[4]; float f[4]; } frac_; - __m128i frac4, pos4; - ALsizei i, j; - ALint pos; - - InitiatePositionArrays(frac, increment, frac_.i, pos_.i, 4); - - frac4 = _mm_castps_si128(_mm_load_ps(frac_.f)); - pos4 = _mm_castps_si128(_mm_load_ps(pos_.f)); - - src -= 3; - for(i = 0;numsamples-i > 3;i += 4) - { - __m128 out[2]; - for(j = 0;j < 8;j+=4) - { - const __m128 val0 = _mm_loadu_ps(&src[pos_.i[0]+j]); - const __m128 val1 = _mm_loadu_ps(&src[pos_.i[1]+j]); - const __m128 val2 = _mm_loadu_ps(&src[pos_.i[2]+j]); - const __m128 val3 = _mm_loadu_ps(&src[pos_.i[3]+j]); - __m128 k0 = _mm_load_ps(&ResampleCoeffs.FIR8[frac_.i[0]][j]); - __m128 k1 = _mm_load_ps(&ResampleCoeffs.FIR8[frac_.i[1]][j]); - __m128 k2 = _mm_load_ps(&ResampleCoeffs.FIR8[frac_.i[2]][j]); - __m128 k3 = _mm_load_ps(&ResampleCoeffs.FIR8[frac_.i[3]][j]); - - k0 = _mm_mul_ps(k0, val0); - k1 = _mm_mul_ps(k1, val1); - k2 = _mm_mul_ps(k2, val2); - k3 = _mm_mul_ps(k3, val3); - k0 = _mm_hadd_ps(k0, k1); - k2 = _mm_hadd_ps(k2, k3); - out[j>>2] = _mm_hadd_ps(k0, k2); - } - - out[0] = _mm_add_ps(out[0], out[1]); - _mm_store_ps(&dst[i], out[0]); - - frac4 = _mm_add_epi32(frac4, increment4); - pos4 = _mm_add_epi32(pos4, _mm_srli_epi32(frac4, FRACTIONBITS)); - frac4 = _mm_and_si128(frac4, fracMask4); - - pos_.i[0] = _mm_extract_epi32(pos4, 0); - pos_.i[1] = _mm_extract_epi32(pos4, 1); - pos_.i[2] = _mm_extract_epi32(pos4, 2); - pos_.i[3] = _mm_extract_epi32(pos4, 3); - frac_.i[0] = _mm_extract_epi32(frac4, 0); - frac_.i[1] = _mm_extract_epi32(frac4, 1); - frac_.i[2] = _mm_extract_epi32(frac4, 2); - frac_.i[3] = _mm_extract_epi32(frac4, 3); - } - - pos = pos_.i[0]; - frac = frac_.i[0]; - - for(;i < numsamples;i++) - { - dst[i] = resample_fir8(src[pos ], src[pos+1], src[pos+2], src[pos+3], - src[pos+4], src[pos+5], src[pos+6], src[pos+7], frac); - - frac += increment; - pos += frac>>FRACTIONBITS; - frac &= FRACTIONMASK; - } - return dst; -} |