diff options
Diffstat (limited to 'Alc')
-rw-r--r-- | Alc/mixer.c | 8 | ||||
-rw-r--r-- | Alc/mixer_defs.h | 5 | ||||
-rw-r--r-- | Alc/mixer_sse2.c | 60 | ||||
-rw-r--r-- | Alc/mixer_sse41.c | 66 |
4 files changed, 139 insertions, 0 deletions
diff --git a/Alc/mixer.c b/Alc/mixer.c index a11b44dd..87d94fff 100644 --- a/Alc/mixer.c +++ b/Alc/mixer.c @@ -103,6 +103,14 @@ static inline ResamplerFunc SelectResampler(enum Resampler resampler) #endif return Resample_lerp32_C; case CubicResampler: +#ifdef HAVE_SSE4_1 + if((CPUCapFlags&CPU_CAP_SSE4_1)) + return Resample_cubic32_SSE41; +#endif +#ifdef HAVE_SSE2 + if((CPUCapFlags&CPU_CAP_SSE2)) + return Resample_cubic32_SSE2; +#endif return Resample_cubic32_C; case ResamplerMax: /* Shouldn't happen */ diff --git a/Alc/mixer_defs.h b/Alc/mixer_defs.h index c1500ed2..00176ad4 100644 --- a/Alc/mixer_defs.h +++ b/Alc/mixer_defs.h @@ -54,6 +54,11 @@ const ALfloat *Resample_lerp32_SSE2(const ALfloat *src, ALuint frac, ALuint incr const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *restrict dst, ALuint numsamples); +const ALfloat *Resample_cubic32_SSE2(const ALfloat *src, ALuint frac, ALuint increment, + ALfloat *restrict dst, ALuint numsamples); +const ALfloat *Resample_cubic32_SSE41(const ALfloat *src, ALuint frac, ALuint increment, + ALfloat *restrict dst, ALuint numsamples); + /* Neon mixers */ void MixHrtf_Neon(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data, ALuint Counter, ALuint Offset, ALuint OutPos, const ALuint IrSize, diff --git a/Alc/mixer_sse2.c b/Alc/mixer_sse2.c index 6759f795..68a3a903 100644 --- a/Alc/mixer_sse2.c +++ b/Alc/mixer_sse2.c @@ -76,3 +76,63 @@ const ALfloat *Resample_lerp32_SSE2(const ALfloat *src, ALuint frac, ALuint incr } return dst; } + +const ALfloat *Resample_cubic32_SSE2(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_setr_ps(src[pos_.i[0] ], src[pos_.i[1] ], src[pos_.i[2] ], src[pos_.i[3] ]); + const __m128 val1 = _mm_setr_ps(src[pos_.i[0]+1], src[pos_.i[1]+1], src[pos_.i[2]+1], src[pos_.i[3]+1]); + const __m128 val2 = _mm_setr_ps(src[pos_.i[0]+2], src[pos_.i[1]+2], src[pos_.i[2]+2], src[pos_.i[3]+2]); + const __m128 val3 = _mm_setr_ps(src[pos_.i[0]+3], src[pos_.i[1]+3], src[pos_.i[2]+3], src[pos_.i[3]+3]); + __m128 k0 = _mm_load_ps(CubicLUT[frac_.i[0]]); + __m128 k1 = _mm_load_ps(CubicLUT[frac_.i[1]]); + __m128 k2 = _mm_load_ps(CubicLUT[frac_.i[2]]); + __m128 k3 = _mm_load_ps(CubicLUT[frac_.i[3]]); + __m128 out; + + _MM_TRANSPOSE4_PS(k0, k1, k2, k3); + + /* k0*val0 + k1*val1 + k2*val2 + k3*val3 */ + out = _mm_mul_ps(k0, val0); + out = _mm_add_ps(out, _mm_mul_ps(k1, val1)); + out = _mm_add_ps(out, _mm_mul_ps(k2, val2)); + out = _mm_add_ps(out, _mm_mul_ps(k3, val3)); + _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); + + _mm_store_ps(pos_.f, _mm_castsi128_ps(pos4)); + _mm_store_ps(frac_.f, _mm_castsi128_ps(frac4)); + } + + pos = pos_.i[0]; + frac = frac_.i[0]; + + for(;i < numsamples;i++) + { + dst[i] = cubic(src[pos], src[pos+1], src[pos+2], src[pos+3], frac); + + frac += increment; + pos += frac>>FRACTIONBITS; + frac &= FRACTIONMASK; + } + return dst; +} diff --git a/Alc/mixer_sse41.c b/Alc/mixer_sse41.c index a6264a11..374e7e31 100644 --- a/Alc/mixer_sse41.c +++ b/Alc/mixer_sse41.c @@ -80,3 +80,69 @@ const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint inc } return dst; } + +const ALfloat *Resample_cubic32_SSE41(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_setr_ps(src[pos_.i[0] ], src[pos_.i[1] ], src[pos_.i[2] ], src[pos_.i[3] ]); + const __m128 val1 = _mm_setr_ps(src[pos_.i[0]+1], src[pos_.i[1]+1], src[pos_.i[2]+1], src[pos_.i[3]+1]); + const __m128 val2 = _mm_setr_ps(src[pos_.i[0]+2], src[pos_.i[1]+2], src[pos_.i[2]+2], src[pos_.i[3]+2]); + const __m128 val3 = _mm_setr_ps(src[pos_.i[0]+3], src[pos_.i[1]+3], src[pos_.i[2]+3], src[pos_.i[3]+3]); + __m128 k0 = _mm_load_ps(CubicLUT[frac_.i[0]]); + __m128 k1 = _mm_load_ps(CubicLUT[frac_.i[1]]); + __m128 k2 = _mm_load_ps(CubicLUT[frac_.i[2]]); + __m128 k3 = _mm_load_ps(CubicLUT[frac_.i[3]]); + __m128 out; + + _MM_TRANSPOSE4_PS(k0, k1, k2, k3); + + /* k0*val0 + k1*val1 + k2*val2 + k3*val3 */ + out = _mm_mul_ps(k0, val0); + out = _mm_add_ps(out, _mm_mul_ps(k1, val1)); + out = _mm_add_ps(out, _mm_mul_ps(k2, val2)); + out = _mm_add_ps(out, _mm_mul_ps(k3, val3)); + _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] = cubic(src[pos], src[pos+1], src[pos+2], src[pos+3], frac); + + frac += increment; + pos += frac>>FRACTIONBITS; + frac &= FRACTIONMASK; + } + return dst; +} |