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-rw-r--r--Alc/mixer_sse41.c224
1 files changed, 0 insertions, 224 deletions
diff --git a/Alc/mixer_sse41.c b/Alc/mixer_sse41.c
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--- a/Alc/mixer_sse41.c
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-/**
- * OpenAL cross platform audio library
- * Copyright (C) 2014 by Timothy Arceri <[email protected]>.
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- * Or go to http://www.gnu.org/copyleft/lgpl.html
- */
-
-#include "config.h"
-
-#include <xmmintrin.h>
-#include <emmintrin.h>
-#include <smmintrin.h>
-
-#include "alu.h"
-#include "mixer_defs.h"
-
-
-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);
- const __m128 fracOne4 = _mm_set1_ps(1.0f/FRACTIONONE);
- 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));
-
- for(i = 0;numsamples-i > 3;i += 4)
- {
- const __m128 val1 = _mm_setr_ps(src[pos_.i[0]], src[pos_.i[1]], src[pos_.i[2]], src[pos_.i[3]]);
- const __m128 val2 = _mm_setr_ps(src[pos_.i[0]+1], src[pos_.i[1]+1], src[pos_.i[2]+1], src[pos_.i[3]+1]);
-
- /* val1 + (val2-val1)*mu */
- const __m128 r0 = _mm_sub_ps(val2, val1);
- const __m128 mu = _mm_mul_ps(_mm_cvtepi32_ps(frac4), fracOne4);
- const __m128 out = _mm_add_ps(val1, _mm_mul_ps(mu, r0));
-
- _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);
- }
-
- /* 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);
-
- for(;i < numsamples;i++)
- {
- dst[i] = lerp(src[pos], src[pos+1], frac * (1.0f/FRACTIONONE));
-
- frac += increment;
- pos += frac>>FRACTIONBITS;
- frac &= FRACTIONMASK;
- }
- 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;
-}
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