diff options
Diffstat (limited to 'Alc/mixer_sse41.c')
| -rw-r--r-- | Alc/mixer_sse41.c | 148 |
1 files changed, 145 insertions, 3 deletions
diff --git a/Alc/mixer_sse41.c b/Alc/mixer_sse41.c index 8ce8cd90..e832e5df 100644 --- a/Alc/mixer_sse41.c +++ b/Alc/mixer_sse41.c @@ -13,8 +13,8 @@ * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * Or go to http://www.gnu.org/copyleft/lgpl.html */ @@ -28,7 +28,7 @@ #include "mixer_defs.h" -const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint increment, +const ALfloat *Resample_lerp32_SSE41(const BsincState* UNUSED(state), const ALfloat *src, ALuint frac, ALuint increment, ALfloat *restrict dst, ALuint numsamples) { const __m128i increment4 = _mm_set1_epi32(increment*4); @@ -67,6 +67,9 @@ const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint inc pos_.i[3] = _mm_extract_epi32(pos4, 3); } + /* NOTE: These four elements represent the position *after* the last four + * samples, so the lowest element is the next position to resample. + */ pos = pos_.i[0]; frac = _mm_cvtsi128_si32(frac4); @@ -80,3 +83,142 @@ const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint inc } return dst; } + +const ALfloat *Resample_fir4_32_SSE41(const BsincState* UNUSED(state), const ALfloat *src, ALuint frac, ALuint increment, + ALfloat *restrict dst, ALuint numsamples) +{ + const __m128i increment4 = _mm_set1_epi32(increment*4); + const __m128i fracMask4 = _mm_set1_epi32(FRACTIONMASK); + alignas(16) union { ALuint i[4]; float f[4]; } pos_; + alignas(16) union { ALuint i[4]; float f[4]; } frac_; + __m128i frac4, pos4; + ALuint pos; + ALuint i; + + 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; + for(i = 0;numsamples-i > 3;i += 4) + { + const __m128 val0 = _mm_loadu_ps(&src[pos_.i[0]]); + 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 out; + + 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 = _mm_hadd_ps(k0, k2); + + _mm_store_ps(&dst[i], out); + + 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_fir4(src[pos], src[pos+1], src[pos+2], src[pos+3], frac); + + frac += increment; + pos += frac>>FRACTIONBITS; + frac &= FRACTIONMASK; + } + return dst; +} + +const ALfloat *Resample_fir8_32_SSE41(const BsincState* UNUSED(state), const ALfloat *src, ALuint frac, ALuint increment, + ALfloat *restrict dst, ALuint numsamples) +{ + const __m128i increment4 = _mm_set1_epi32(increment*4); + const __m128i fracMask4 = _mm_set1_epi32(FRACTIONMASK); + alignas(16) union { ALuint i[4]; float f[4]; } pos_; + alignas(16) union { ALuint i[4]; float f[4]; } frac_; + __m128i frac4, pos4; + ALuint pos; + ALuint i, j; + + 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; +} |