diff options
Diffstat (limited to 'Alc/mixer')
-rw-r--r-- | Alc/mixer/defs.h | 119 | ||||
-rw-r--r-- | Alc/mixer/hrtf_inc.c | 128 | ||||
-rw-r--r-- | Alc/mixer/mixer_c.c | 169 | ||||
-rw-r--r-- | Alc/mixer/mixer_neon.c | 283 | ||||
-rw-r--r-- | Alc/mixer/mixer_sse.c | 250 | ||||
-rw-r--r-- | Alc/mixer/mixer_sse2.c | 84 | ||||
-rw-r--r-- | Alc/mixer/mixer_sse3.c | 0 | ||||
-rw-r--r-- | Alc/mixer/mixer_sse41.c | 85 |
8 files changed, 0 insertions, 1118 deletions
diff --git a/Alc/mixer/defs.h b/Alc/mixer/defs.h deleted file mode 100644 index 8f6e3755..00000000 --- a/Alc/mixer/defs.h +++ /dev/null @@ -1,119 +0,0 @@ -#ifndef MIXER_DEFS_H -#define MIXER_DEFS_H - -#include "AL/alc.h" -#include "AL/al.h" -#include "alMain.h" -#include "alu.h" - -struct MixGains; - -struct MixHrtfParams; -struct HrtfState; - -/* C resamplers */ -const ALfloat *Resample_copy_C(const InterpState *state, const ALfloat *restrict src, ALsizei frac, ALint increment, ALfloat *restrict dst, ALsizei dstlen); -const ALfloat *Resample_point_C(const InterpState *state, const ALfloat *restrict src, ALsizei frac, ALint increment, ALfloat *restrict dst, ALsizei dstlen); -const ALfloat *Resample_lerp_C(const InterpState *state, const ALfloat *restrict src, ALsizei frac, ALint increment, ALfloat *restrict dst, ALsizei dstlen); -const ALfloat *Resample_cubic_C(const InterpState *state, const ALfloat *restrict src, ALsizei frac, ALint increment, ALfloat *restrict dst, ALsizei dstlen); -const ALfloat *Resample_bsinc_C(const InterpState *state, const ALfloat *restrict src, ALsizei frac, ALint increment, ALfloat *restrict dst, ALsizei dstlen); - - -/* C mixers */ -void MixHrtf_C(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, ALsizei OutPos, - const ALsizei IrSize, struct MixHrtfParams *hrtfparams, - struct HrtfState *hrtfstate, ALsizei BufferSize); -void MixHrtfBlend_C(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, ALsizei OutPos, - const ALsizei IrSize, const HrtfParams *oldparams, - MixHrtfParams *newparams, HrtfState *hrtfstate, - ALsizei BufferSize); -void MixDirectHrtf_C(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, const ALsizei IrSize, - const ALfloat (*restrict Coeffs)[2], ALfloat (*restrict Values)[2], - ALsizei BufferSize); -void Mix_C(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE], - ALfloat *CurrentGains, const ALfloat *TargetGains, ALsizei Counter, ALsizei OutPos, - ALsizei BufferSize); -void MixRow_C(ALfloat *OutBuffer, const ALfloat *Gains, - const ALfloat (*restrict data)[BUFFERSIZE], ALsizei InChans, - ALsizei InPos, ALsizei BufferSize); - -/* SSE mixers */ -void MixHrtf_SSE(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, ALsizei OutPos, - const ALsizei IrSize, struct MixHrtfParams *hrtfparams, - struct HrtfState *hrtfstate, ALsizei BufferSize); -void MixHrtfBlend_SSE(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, ALsizei OutPos, - const ALsizei IrSize, const HrtfParams *oldparams, - MixHrtfParams *newparams, HrtfState *hrtfstate, - ALsizei BufferSize); -void MixDirectHrtf_SSE(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, const ALsizei IrSize, - const ALfloat (*restrict Coeffs)[2], ALfloat (*restrict Values)[2], - ALsizei BufferSize); -void Mix_SSE(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE], - ALfloat *CurrentGains, const ALfloat *TargetGains, ALsizei Counter, ALsizei OutPos, - ALsizei BufferSize); -void MixRow_SSE(ALfloat *OutBuffer, const ALfloat *Gains, - const ALfloat (*restrict data)[BUFFERSIZE], ALsizei InChans, - ALsizei InPos, ALsizei BufferSize); - -/* SSE resamplers */ -inline void InitiatePositionArrays(ALsizei frac, ALint increment, ALsizei *restrict frac_arr, ALsizei *restrict pos_arr, ALsizei size) -{ - ALsizei i; - - pos_arr[0] = 0; - frac_arr[0] = frac; - for(i = 1;i < size;i++) - { - ALint frac_tmp = frac_arr[i-1] + increment; - pos_arr[i] = pos_arr[i-1] + (frac_tmp>>FRACTIONBITS); - frac_arr[i] = frac_tmp&FRACTIONMASK; - } -} - -const ALfloat *Resample_lerp_SSE2(const InterpState *state, const ALfloat *restrict src, - ALsizei frac, ALint increment, ALfloat *restrict dst, - ALsizei numsamples); -const ALfloat *Resample_lerp_SSE41(const InterpState *state, const ALfloat *restrict src, - ALsizei frac, ALint increment, ALfloat *restrict dst, - ALsizei numsamples); - -const ALfloat *Resample_bsinc_SSE(const InterpState *state, const ALfloat *restrict src, - ALsizei frac, ALint increment, ALfloat *restrict dst, - ALsizei dstlen); - -/* Neon mixers */ -void MixHrtf_Neon(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, ALsizei OutPos, - const ALsizei IrSize, struct MixHrtfParams *hrtfparams, - struct HrtfState *hrtfstate, ALsizei BufferSize); -void MixHrtfBlend_Neon(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, ALsizei OutPos, - const ALsizei IrSize, const HrtfParams *oldparams, - MixHrtfParams *newparams, HrtfState *hrtfstate, - ALsizei BufferSize); -void MixDirectHrtf_Neon(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, const ALsizei IrSize, - const ALfloat (*restrict Coeffs)[2], ALfloat (*restrict Values)[2], - ALsizei BufferSize); -void Mix_Neon(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE], - ALfloat *CurrentGains, const ALfloat *TargetGains, ALsizei Counter, ALsizei OutPos, - ALsizei BufferSize); -void MixRow_Neon(ALfloat *OutBuffer, const ALfloat *Gains, - const ALfloat (*restrict data)[BUFFERSIZE], ALsizei InChans, - ALsizei InPos, ALsizei BufferSize); - -/* Neon resamplers */ -const ALfloat *Resample_lerp_Neon(const InterpState *state, const ALfloat *restrict src, - ALsizei frac, ALint increment, ALfloat *restrict dst, - ALsizei numsamples); -const ALfloat *Resample_bsinc_Neon(const InterpState *state, const ALfloat *restrict src, - ALsizei frac, ALint increment, ALfloat *restrict dst, - ALsizei dstlen); - -#endif /* MIXER_DEFS_H */ diff --git a/Alc/mixer/hrtf_inc.c b/Alc/mixer/hrtf_inc.c deleted file mode 100644 index 3ef22f24..00000000 --- a/Alc/mixer/hrtf_inc.c +++ /dev/null @@ -1,128 +0,0 @@ -#include "config.h" - -#include "alMain.h" -#include "alSource.h" - -#include "hrtf.h" -#include "align.h" -#include "alu.h" -#include "defs.h" - - -static inline void ApplyCoeffs(ALsizei Offset, ALfloat (*restrict Values)[2], - const ALsizei irSize, - const ALfloat (*restrict Coeffs)[2], - ALfloat left, ALfloat right); - - -void MixHrtf(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, ALsizei OutPos, - const ALsizei IrSize, MixHrtfParams *hrtfparams, HrtfState *hrtfstate, - ALsizei BufferSize) -{ - const ALfloat (*Coeffs)[2] = ASSUME_ALIGNED(hrtfparams->Coeffs, 16); - const ALsizei Delay[2] = { hrtfparams->Delay[0], hrtfparams->Delay[1] }; - const ALfloat gainstep = hrtfparams->GainStep; - const ALfloat gain = hrtfparams->Gain; - ALfloat g, stepcount = 0.0f; - ALfloat left, right; - ALsizei i; - - ASSUME(IrSize >= 4); - ASSUME(BufferSize > 0); - - LeftOut += OutPos; - RightOut += OutPos; - for(i = 0;i < BufferSize;i++) - { - hrtfstate->History[Offset&HRTF_HISTORY_MASK] = *(data++); - - g = gain + gainstep*stepcount; - left = hrtfstate->History[(Offset-Delay[0])&HRTF_HISTORY_MASK]*g; - right = hrtfstate->History[(Offset-Delay[1])&HRTF_HISTORY_MASK]*g; - - hrtfstate->Values[(Offset+IrSize-1)&HRIR_MASK][0] = 0.0f; - hrtfstate->Values[(Offset+IrSize-1)&HRIR_MASK][1] = 0.0f; - - ApplyCoeffs(Offset, hrtfstate->Values, IrSize, Coeffs, left, right); - *(LeftOut++) += hrtfstate->Values[Offset&HRIR_MASK][0]; - *(RightOut++) += hrtfstate->Values[Offset&HRIR_MASK][1]; - - stepcount += 1.0f; - Offset++; - } - hrtfparams->Gain = gain + gainstep*stepcount; -} - -void MixHrtfBlend(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, ALsizei OutPos, - const ALsizei IrSize, const HrtfParams *oldparams, - MixHrtfParams *newparams, HrtfState *hrtfstate, - ALsizei BufferSize) -{ - const ALfloat (*OldCoeffs)[2] = ASSUME_ALIGNED(oldparams->Coeffs, 16); - const ALsizei OldDelay[2] = { oldparams->Delay[0], oldparams->Delay[1] }; - const ALfloat oldGain = oldparams->Gain; - const ALfloat oldGainStep = -oldGain / (ALfloat)BufferSize; - const ALfloat (*NewCoeffs)[2] = ASSUME_ALIGNED(newparams->Coeffs, 16); - const ALsizei NewDelay[2] = { newparams->Delay[0], newparams->Delay[1] }; - const ALfloat newGain = newparams->Gain; - const ALfloat newGainStep = newparams->GainStep; - ALfloat g, stepcount = 0.0f; - ALfloat left, right; - ALsizei i; - - ASSUME(IrSize >= 4); - ASSUME(BufferSize > 0); - - LeftOut += OutPos; - RightOut += OutPos; - for(i = 0;i < BufferSize;i++) - { - hrtfstate->Values[(Offset+IrSize-1)&HRIR_MASK][0] = 0.0f; - hrtfstate->Values[(Offset+IrSize-1)&HRIR_MASK][1] = 0.0f; - - hrtfstate->History[Offset&HRTF_HISTORY_MASK] = *(data++); - - g = oldGain + oldGainStep*stepcount; - left = hrtfstate->History[(Offset-OldDelay[0])&HRTF_HISTORY_MASK]*g; - right = hrtfstate->History[(Offset-OldDelay[1])&HRTF_HISTORY_MASK]*g; - ApplyCoeffs(Offset, hrtfstate->Values, IrSize, OldCoeffs, left, right); - - g = newGain + newGainStep*stepcount; - left = hrtfstate->History[(Offset-NewDelay[0])&HRTF_HISTORY_MASK]*g; - right = hrtfstate->History[(Offset-NewDelay[1])&HRTF_HISTORY_MASK]*g; - ApplyCoeffs(Offset, hrtfstate->Values, IrSize, NewCoeffs, left, right); - - *(LeftOut++) += hrtfstate->Values[Offset&HRIR_MASK][0]; - *(RightOut++) += hrtfstate->Values[Offset&HRIR_MASK][1]; - - stepcount += 1.0f; - Offset++; - } - newparams->Gain = newGain + newGainStep*stepcount; -} - -void MixDirectHrtf(ALfloat *restrict LeftOut, ALfloat *restrict RightOut, - const ALfloat *data, ALsizei Offset, const ALsizei IrSize, - const ALfloat (*restrict Coeffs)[2], ALfloat (*restrict Values)[2], - ALsizei BufferSize) -{ - ALfloat insample; - ALsizei i; - - ASSUME(IrSize >= 4); - ASSUME(BufferSize > 0); - - for(i = 0;i < BufferSize;i++) - { - Values[(Offset+IrSize)&HRIR_MASK][0] = 0.0f; - Values[(Offset+IrSize)&HRIR_MASK][1] = 0.0f; - Offset++; - - insample = *(data++); - ApplyCoeffs(Offset, Values, IrSize, Coeffs, insample, insample); - *(LeftOut++) += Values[Offset&HRIR_MASK][0]; - *(RightOut++) += Values[Offset&HRIR_MASK][1]; - } -} diff --git a/Alc/mixer/mixer_c.c b/Alc/mixer/mixer_c.c deleted file mode 100644 index 14d7c669..00000000 --- a/Alc/mixer/mixer_c.c +++ /dev/null @@ -1,169 +0,0 @@ -#include "config.h" - -#include <assert.h> - -#include "alMain.h" -#include "alu.h" -#include "alSource.h" -#include "alAuxEffectSlot.h" -#include "defs.h" - - -static inline ALfloat do_point(const InterpState* UNUSED(state), const ALfloat *restrict vals, ALsizei UNUSED(frac)) -{ return vals[0]; } -static inline ALfloat do_lerp(const InterpState* UNUSED(state), const ALfloat *restrict vals, ALsizei frac) -{ return lerp(vals[0], vals[1], frac * (1.0f/FRACTIONONE)); } -static inline ALfloat do_cubic(const InterpState* UNUSED(state), const ALfloat *restrict vals, ALsizei frac) -{ return cubic(vals[0], vals[1], vals[2], vals[3], frac * (1.0f/FRACTIONONE)); } -static inline ALfloat do_bsinc(const InterpState *state, const ALfloat *restrict vals, ALsizei frac) -{ - const ALfloat *fil, *scd, *phd, *spd; - ALsizei j_f, pi; - ALfloat pf, r; - - ASSUME(state->bsinc.m > 0); - - // Calculate the phase index and factor. -#define FRAC_PHASE_BITDIFF (FRACTIONBITS-BSINC_PHASE_BITS) - pi = frac >> FRAC_PHASE_BITDIFF; - pf = (frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF)); -#undef FRAC_PHASE_BITDIFF - - fil = ASSUME_ALIGNED(state->bsinc.filter + state->bsinc.m*pi*4, 16); - scd = ASSUME_ALIGNED(fil + state->bsinc.m, 16); - phd = ASSUME_ALIGNED(scd + state->bsinc.m, 16); - spd = ASSUME_ALIGNED(phd + state->bsinc.m, 16); - - // Apply the scale and phase interpolated filter. - r = 0.0f; - for(j_f = 0;j_f < state->bsinc.m;j_f++) - r += (fil[j_f] + state->bsinc.sf*scd[j_f] + pf*(phd[j_f] + state->bsinc.sf*spd[j_f])) * vals[j_f]; - return r; -} - -const ALfloat *Resample_copy_C(const InterpState* UNUSED(state), - const ALfloat *restrict src, ALsizei UNUSED(frac), ALint UNUSED(increment), - ALfloat *restrict dst, ALsizei numsamples) -{ -#if defined(HAVE_SSE) || defined(HAVE_NEON) - /* Avoid copying the source data if it's aligned like the destination. */ - if((((intptr_t)src)&15) == (((intptr_t)dst)&15)) - return src; -#endif - memcpy(dst, src, numsamples*sizeof(ALfloat)); - return dst; -} - -#define DECL_TEMPLATE(Tag, Sampler, O) \ -const ALfloat *Resample_##Tag##_C(const InterpState *state, \ - const ALfloat *restrict src, ALsizei frac, ALint increment, \ - ALfloat *restrict dst, ALsizei numsamples) \ -{ \ - const InterpState istate = *state; \ - ALsizei i; \ - \ - ASSUME(numsamples > 0); \ - \ - src -= O; \ - for(i = 0;i < numsamples;i++) \ - { \ - dst[i] = Sampler(&istate, src, frac); \ - \ - frac += increment; \ - src += frac>>FRACTIONBITS; \ - frac &= FRACTIONMASK; \ - } \ - return dst; \ -} - -DECL_TEMPLATE(point, do_point, 0) -DECL_TEMPLATE(lerp, do_lerp, 0) -DECL_TEMPLATE(cubic, do_cubic, 1) -DECL_TEMPLATE(bsinc, do_bsinc, istate.bsinc.l) - -#undef DECL_TEMPLATE - - -static inline void ApplyCoeffs(ALsizei Offset, ALfloat (*restrict Values)[2], - const ALsizei IrSize, - const ALfloat (*restrict Coeffs)[2], - ALfloat left, ALfloat right) -{ - ALsizei c; - for(c = 0;c < IrSize;c++) - { - const ALsizei off = (Offset+c)&HRIR_MASK; - Values[off][0] += Coeffs[c][0] * left; - Values[off][1] += Coeffs[c][1] * right; - } -} - -#define MixHrtf MixHrtf_C -#define MixHrtfBlend MixHrtfBlend_C -#define MixDirectHrtf MixDirectHrtf_C -#include "hrtf_inc.c" - - -void Mix_C(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE], - ALfloat *CurrentGains, const ALfloat *TargetGains, ALsizei Counter, ALsizei OutPos, - ALsizei BufferSize) -{ - const ALfloat delta = (Counter > 0) ? 1.0f/(ALfloat)Counter : 0.0f; - ALsizei c; - - ASSUME(OutChans > 0); - ASSUME(BufferSize > 0); - - for(c = 0;c < OutChans;c++) - { - ALsizei pos = 0; - ALfloat gain = CurrentGains[c]; - const ALfloat diff = TargetGains[c] - gain; - - if(fabsf(diff) > FLT_EPSILON) - { - ALsizei minsize = mini(BufferSize, Counter); - const ALfloat step = diff * delta; - ALfloat step_count = 0.0f; - for(;pos < minsize;pos++) - { - OutBuffer[c][OutPos+pos] += data[pos] * (gain + step*step_count); - step_count += 1.0f; - } - if(pos == Counter) - gain = TargetGains[c]; - else - gain += step*step_count; - CurrentGains[c] = gain; - } - - if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD)) - continue; - for(;pos < BufferSize;pos++) - OutBuffer[c][OutPos+pos] += data[pos]*gain; - } -} - -/* Basically the inverse of the above. Rather than one input going to multiple - * outputs (each with its own gain), it's multiple inputs (each with its own - * gain) going to one output. This applies one row (vs one column) of a matrix - * transform. And as the matrices are more or less static once set up, no - * stepping is necessary. - */ -void MixRow_C(ALfloat *OutBuffer, const ALfloat *Gains, const ALfloat (*restrict data)[BUFFERSIZE], ALsizei InChans, ALsizei InPos, ALsizei BufferSize) -{ - ALsizei c, i; - - ASSUME(InChans > 0); - ASSUME(BufferSize > 0); - - for(c = 0;c < InChans;c++) - { - const ALfloat gain = Gains[c]; - if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD)) - continue; - - for(i = 0;i < BufferSize;i++) - OutBuffer[i] += data[c][InPos+i] * gain; - } -} diff --git a/Alc/mixer/mixer_neon.c b/Alc/mixer/mixer_neon.c deleted file mode 100644 index 9bf5521a..00000000 --- a/Alc/mixer/mixer_neon.c +++ /dev/null @@ -1,283 +0,0 @@ -#include "config.h" - -#include <arm_neon.h> - -#include "AL/al.h" -#include "AL/alc.h" -#include "alMain.h" -#include "alu.h" -#include "hrtf.h" -#include "defs.h" - - -const ALfloat *Resample_lerp_Neon(const InterpState* UNUSED(state), - const ALfloat *restrict src, ALsizei frac, ALint increment, - ALfloat *restrict dst, ALsizei numsamples) -{ - const int32x4_t increment4 = vdupq_n_s32(increment*4); - const float32x4_t fracOne4 = vdupq_n_f32(1.0f/FRACTIONONE); - const int32x4_t fracMask4 = vdupq_n_s32(FRACTIONMASK); - alignas(16) ALsizei pos_[4], frac_[4]; - int32x4_t pos4, frac4; - ALsizei todo, pos, i; - - ASSUME(numsamples > 0); - - InitiatePositionArrays(frac, increment, frac_, pos_, 4); - frac4 = vld1q_s32(frac_); - pos4 = vld1q_s32(pos_); - - todo = numsamples & ~3; - for(i = 0;i < todo;i += 4) - { - const int pos0 = vgetq_lane_s32(pos4, 0); - const int pos1 = vgetq_lane_s32(pos4, 1); - const int pos2 = vgetq_lane_s32(pos4, 2); - const int pos3 = vgetq_lane_s32(pos4, 3); - const float32x4_t val1 = (float32x4_t){src[pos0], src[pos1], src[pos2], src[pos3]}; - const float32x4_t val2 = (float32x4_t){src[pos0+1], src[pos1+1], src[pos2+1], src[pos3+1]}; - - /* val1 + (val2-val1)*mu */ - const float32x4_t r0 = vsubq_f32(val2, val1); - const float32x4_t mu = vmulq_f32(vcvtq_f32_s32(frac4), fracOne4); - const float32x4_t out = vmlaq_f32(val1, mu, r0); - - vst1q_f32(&dst[i], out); - - frac4 = vaddq_s32(frac4, increment4); - pos4 = vaddq_s32(pos4, vshrq_n_s32(frac4, FRACTIONBITS)); - frac4 = vandq_s32(frac4, fracMask4); - } - - /* NOTE: These four elements represent the position *after* the last four - * samples, so the lowest element is the next position to resample. - */ - pos = vgetq_lane_s32(pos4, 0); - frac = vgetq_lane_s32(frac4, 0); - - 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_bsinc_Neon(const InterpState *state, - const ALfloat *restrict src, ALsizei frac, ALint increment, - ALfloat *restrict dst, ALsizei dstlen) -{ - const ALfloat *const filter = state->bsinc.filter; - const float32x4_t sf4 = vdupq_n_f32(state->bsinc.sf); - const ALsizei m = state->bsinc.m; - const float32x4_t *fil, *scd, *phd, *spd; - ALsizei pi, i, j, offset; - float32x4_t r4; - ALfloat pf; - - ASSUME(m > 0); - ASSUME(dstlen > 0); - - src -= state->bsinc.l; - for(i = 0;i < dstlen;i++) - { - // Calculate the phase index and factor. -#define FRAC_PHASE_BITDIFF (FRACTIONBITS-BSINC_PHASE_BITS) - pi = frac >> FRAC_PHASE_BITDIFF; - pf = (frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF)); -#undef FRAC_PHASE_BITDIFF - - offset = m*pi*4; - fil = ASSUME_ALIGNED(filter + offset, 16); offset += m; - scd = ASSUME_ALIGNED(filter + offset, 16); offset += m; - phd = ASSUME_ALIGNED(filter + offset, 16); offset += m; - spd = ASSUME_ALIGNED(filter + offset, 16); - - // Apply the scale and phase interpolated filter. - r4 = vdupq_n_f32(0.0f); - { - const ALsizei count = m >> 2; - const float32x4_t pf4 = vdupq_n_f32(pf); - - ASSUME(count > 0); - - for(j = 0;j < count;j++) - { - /* f = ((fil + sf*scd) + pf*(phd + sf*spd)) */ - const float32x4_t f4 = vmlaq_f32( - vmlaq_f32(fil[j], sf4, scd[j]), - pf4, vmlaq_f32(phd[j], sf4, spd[j]) - ); - /* r += f*src */ - r4 = vmlaq_f32(r4, f4, vld1q_f32(&src[j*4])); - } - } - r4 = vaddq_f32(r4, vcombine_f32(vrev64_f32(vget_high_f32(r4)), - vrev64_f32(vget_low_f32(r4)))); - dst[i] = vget_lane_f32(vadd_f32(vget_low_f32(r4), vget_high_f32(r4)), 0); - - frac += increment; - src += frac>>FRACTIONBITS; - frac &= FRACTIONMASK; - } - return dst; -} - - -static inline void ApplyCoeffs(ALsizei Offset, ALfloat (*restrict Values)[2], - const ALsizei IrSize, - const ALfloat (*restrict Coeffs)[2], - ALfloat left, ALfloat right) -{ - ALsizei c; - float32x4_t leftright4; - { - float32x2_t leftright2 = vdup_n_f32(0.0); - leftright2 = vset_lane_f32(left, leftright2, 0); - leftright2 = vset_lane_f32(right, leftright2, 1); - leftright4 = vcombine_f32(leftright2, leftright2); - } - Values = ASSUME_ALIGNED(Values, 16); - Coeffs = ASSUME_ALIGNED(Coeffs, 16); - for(c = 0;c < IrSize;c += 2) - { - const ALsizei o0 = (Offset+c)&HRIR_MASK; - const ALsizei o1 = (o0+1)&HRIR_MASK; - float32x4_t vals = vcombine_f32(vld1_f32((float32_t*)&Values[o0][0]), - vld1_f32((float32_t*)&Values[o1][0])); - float32x4_t coefs = vld1q_f32((float32_t*)&Coeffs[c][0]); - - vals = vmlaq_f32(vals, coefs, leftright4); - - vst1_f32((float32_t*)&Values[o0][0], vget_low_f32(vals)); - vst1_f32((float32_t*)&Values[o1][0], vget_high_f32(vals)); - } -} - -#define MixHrtf MixHrtf_Neon -#define MixHrtfBlend MixHrtfBlend_Neon -#define MixDirectHrtf MixDirectHrtf_Neon -#include "hrtf_inc.c" - - -void Mix_Neon(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE], - ALfloat *CurrentGains, const ALfloat *TargetGains, ALsizei Counter, ALsizei OutPos, - ALsizei BufferSize) -{ - const ALfloat delta = (Counter > 0) ? 1.0f/(ALfloat)Counter : 0.0f; - ALsizei c; - - ASSUME(OutChans > 0); - ASSUME(BufferSize > 0); - data = ASSUME_ALIGNED(data, 16); - OutBuffer = ASSUME_ALIGNED(OutBuffer, 16); - - for(c = 0;c < OutChans;c++) - { - ALsizei pos = 0; - ALfloat gain = CurrentGains[c]; - const ALfloat diff = TargetGains[c] - gain; - - if(fabsf(diff) > FLT_EPSILON) - { - ALsizei minsize = mini(BufferSize, Counter); - const ALfloat step = diff * delta; - ALfloat step_count = 0.0f; - /* Mix with applying gain steps in aligned multiples of 4. */ - if(LIKELY(minsize > 3)) - { - const float32x4_t four4 = vdupq_n_f32(4.0f); - const float32x4_t step4 = vdupq_n_f32(step); - const float32x4_t gain4 = vdupq_n_f32(gain); - float32x4_t step_count4 = vsetq_lane_f32(0.0f, - vsetq_lane_f32(1.0f, - vsetq_lane_f32(2.0f, - vsetq_lane_f32(3.0f, vdupq_n_f32(0.0f), 3), - 2), 1), 0 - ); - ALsizei todo = minsize >> 2; - - do { - const float32x4_t val4 = vld1q_f32(&data[pos]); - float32x4_t dry4 = vld1q_f32(&OutBuffer[c][OutPos+pos]); - dry4 = vmlaq_f32(dry4, val4, vmlaq_f32(gain4, step4, step_count4)); - step_count4 = vaddq_f32(step_count4, four4); - vst1q_f32(&OutBuffer[c][OutPos+pos], dry4); - pos += 4; - } while(--todo); - /* NOTE: step_count4 now represents the next four counts after - * the last four mixed samples, so the lowest element - * represents the next step count to apply. - */ - step_count = vgetq_lane_f32(step_count4, 0); - } - /* Mix with applying left over gain steps that aren't aligned multiples of 4. */ - for(;pos < minsize;pos++) - { - OutBuffer[c][OutPos+pos] += data[pos]*(gain + step*step_count); - step_count += 1.0f; - } - if(pos == Counter) - gain = TargetGains[c]; - else - gain += step*step_count; - CurrentGains[c] = gain; - - /* Mix until pos is aligned with 4 or the mix is done. */ - minsize = mini(BufferSize, (pos+3)&~3); - for(;pos < minsize;pos++) - OutBuffer[c][OutPos+pos] += data[pos]*gain; - } - - if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD)) - continue; - if(LIKELY(BufferSize-pos > 3)) - { - ALsizei todo = (BufferSize-pos) >> 2; - const float32x4_t gain4 = vdupq_n_f32(gain); - do { - const float32x4_t val4 = vld1q_f32(&data[pos]); - float32x4_t dry4 = vld1q_f32(&OutBuffer[c][OutPos+pos]); - dry4 = vmlaq_f32(dry4, val4, gain4); - vst1q_f32(&OutBuffer[c][OutPos+pos], dry4); - pos += 4; - } while(--todo); - } - for(;pos < BufferSize;pos++) - OutBuffer[c][OutPos+pos] += data[pos]*gain; - } -} - -void MixRow_Neon(ALfloat *OutBuffer, const ALfloat *Gains, const ALfloat (*restrict data)[BUFFERSIZE], ALsizei InChans, ALsizei InPos, ALsizei BufferSize) -{ - ALsizei c; - - ASSUME(InChans > 0); - ASSUME(BufferSize > 0); - - for(c = 0;c < InChans;c++) - { - ALsizei pos = 0; - const ALfloat gain = Gains[c]; - if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD)) - continue; - - if(LIKELY(BufferSize > 3)) - { - ALsizei todo = BufferSize >> 2; - float32x4_t gain4 = vdupq_n_f32(gain); - do { - const float32x4_t val4 = vld1q_f32(&data[c][InPos+pos]); - float32x4_t dry4 = vld1q_f32(&OutBuffer[pos]); - dry4 = vmlaq_f32(dry4, val4, gain4); - vst1q_f32(&OutBuffer[pos], dry4); - pos += 4; - } while(--todo); - } - for(;pos < BufferSize;pos++) - OutBuffer[pos] += data[c][InPos+pos]*gain; - } -} diff --git a/Alc/mixer/mixer_sse.c b/Alc/mixer/mixer_sse.c deleted file mode 100644 index 725a5ebc..00000000 --- a/Alc/mixer/mixer_sse.c +++ /dev/null @@ -1,250 +0,0 @@ -#include "config.h" - -#include <xmmintrin.h> - -#include "AL/al.h" -#include "AL/alc.h" -#include "alMain.h" -#include "alu.h" - -#include "alSource.h" -#include "alAuxEffectSlot.h" -#include "defs.h" - - -const ALfloat *Resample_bsinc_SSE(const InterpState *state, const ALfloat *restrict src, - ALsizei frac, ALint increment, ALfloat *restrict dst, - ALsizei dstlen) -{ - const ALfloat *const filter = state->bsinc.filter; - const __m128 sf4 = _mm_set1_ps(state->bsinc.sf); - const ALsizei m = state->bsinc.m; - const __m128 *fil, *scd, *phd, *spd; - ALsizei pi, i, j, offset; - ALfloat pf; - __m128 r4; - - ASSUME(m > 0); - ASSUME(dstlen > 0); - - src -= state->bsinc.l; - for(i = 0;i < dstlen;i++) - { - // Calculate the phase index and factor. -#define FRAC_PHASE_BITDIFF (FRACTIONBITS-BSINC_PHASE_BITS) - pi = frac >> FRAC_PHASE_BITDIFF; - pf = (frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF)); -#undef FRAC_PHASE_BITDIFF - - offset = m*pi*4; - fil = (const __m128*)ASSUME_ALIGNED(filter + offset, 16); offset += m; - scd = (const __m128*)ASSUME_ALIGNED(filter + offset, 16); offset += m; - phd = (const __m128*)ASSUME_ALIGNED(filter + offset, 16); offset += m; - spd = (const __m128*)ASSUME_ALIGNED(filter + offset, 16); - - // Apply the scale and phase interpolated filter. - r4 = _mm_setzero_ps(); - { - const ALsizei count = m >> 2; - const __m128 pf4 = _mm_set1_ps(pf); - - ASSUME(count > 0); - -#define MLA4(x, y, z) _mm_add_ps(x, _mm_mul_ps(y, z)) - for(j = 0;j < count;j++) - { - /* f = ((fil + sf*scd) + pf*(phd + sf*spd)) */ - const __m128 f4 = MLA4( - MLA4(fil[j], sf4, scd[j]), - pf4, MLA4(phd[j], sf4, spd[j]) - ); - /* r += f*src */ - r4 = MLA4(r4, f4, _mm_loadu_ps(&src[j*4])); - } -#undef MLA4 - } - r4 = _mm_add_ps(r4, _mm_shuffle_ps(r4, r4, _MM_SHUFFLE(0, 1, 2, 3))); - r4 = _mm_add_ps(r4, _mm_movehl_ps(r4, r4)); - dst[i] = _mm_cvtss_f32(r4); - - frac += increment; - src += frac>>FRACTIONBITS; - frac &= FRACTIONMASK; - } - return dst; -} - - -static inline void ApplyCoeffs(ALsizei Offset, ALfloat (*restrict Values)[2], - const ALsizei IrSize, - const ALfloat (*restrict Coeffs)[2], - ALfloat left, ALfloat right) -{ - const __m128 lrlr = _mm_setr_ps(left, right, left, right); - __m128 vals = _mm_setzero_ps(); - __m128 coeffs; - ALsizei i; - - Values = ASSUME_ALIGNED(Values, 16); - Coeffs = ASSUME_ALIGNED(Coeffs, 16); - if((Offset&1)) - { - const ALsizei o0 = Offset&HRIR_MASK; - const ALsizei o1 = (Offset+IrSize-1)&HRIR_MASK; - __m128 imp0, imp1; - - coeffs = _mm_load_ps(&Coeffs[0][0]); - vals = _mm_loadl_pi(vals, (__m64*)&Values[o0][0]); - imp0 = _mm_mul_ps(lrlr, coeffs); - vals = _mm_add_ps(imp0, vals); - _mm_storel_pi((__m64*)&Values[o0][0], vals); - for(i = 1;i < IrSize-1;i += 2) - { - const ALsizei o2 = (Offset+i)&HRIR_MASK; - - coeffs = _mm_load_ps(&Coeffs[i+1][0]); - vals = _mm_load_ps(&Values[o2][0]); - imp1 = _mm_mul_ps(lrlr, coeffs); - imp0 = _mm_shuffle_ps(imp0, imp1, _MM_SHUFFLE(1, 0, 3, 2)); - vals = _mm_add_ps(imp0, vals); - _mm_store_ps(&Values[o2][0], vals); - imp0 = imp1; - } - vals = _mm_loadl_pi(vals, (__m64*)&Values[o1][0]); - imp0 = _mm_movehl_ps(imp0, imp0); - vals = _mm_add_ps(imp0, vals); - _mm_storel_pi((__m64*)&Values[o1][0], vals); - } - else - { - for(i = 0;i < IrSize;i += 2) - { - const ALsizei o = (Offset + i)&HRIR_MASK; - - coeffs = _mm_load_ps(&Coeffs[i][0]); - vals = _mm_load_ps(&Values[o][0]); - vals = _mm_add_ps(vals, _mm_mul_ps(lrlr, coeffs)); - _mm_store_ps(&Values[o][0], vals); - } - } -} - -#define MixHrtf MixHrtf_SSE -#define MixHrtfBlend MixHrtfBlend_SSE -#define MixDirectHrtf MixDirectHrtf_SSE -#include "hrtf_inc.c" - - -void Mix_SSE(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE], - ALfloat *CurrentGains, const ALfloat *TargetGains, ALsizei Counter, ALsizei OutPos, - ALsizei BufferSize) -{ - const ALfloat delta = (Counter > 0) ? 1.0f/(ALfloat)Counter : 0.0f; - ALsizei c; - - ASSUME(OutChans > 0); - ASSUME(BufferSize > 0); - - for(c = 0;c < OutChans;c++) - { - ALsizei pos = 0; - ALfloat gain = CurrentGains[c]; - const ALfloat diff = TargetGains[c] - gain; - - if(fabsf(diff) > FLT_EPSILON) - { - ALsizei minsize = mini(BufferSize, Counter); - const ALfloat step = diff * delta; - ALfloat step_count = 0.0f; - /* Mix with applying gain steps in aligned multiples of 4. */ - if(LIKELY(minsize > 3)) - { - const __m128 four4 = _mm_set1_ps(4.0f); - const __m128 step4 = _mm_set1_ps(step); - const __m128 gain4 = _mm_set1_ps(gain); - __m128 step_count4 = _mm_setr_ps(0.0f, 1.0f, 2.0f, 3.0f); - ALsizei todo = minsize >> 2; - do { - const __m128 val4 = _mm_load_ps(&data[pos]); - __m128 dry4 = _mm_load_ps(&OutBuffer[c][OutPos+pos]); -#define MLA4(x, y, z) _mm_add_ps(x, _mm_mul_ps(y, z)) - /* dry += val * (gain + step*step_count) */ - dry4 = MLA4(dry4, val4, MLA4(gain4, step4, step_count4)); -#undef MLA4 - _mm_store_ps(&OutBuffer[c][OutPos+pos], dry4); - step_count4 = _mm_add_ps(step_count4, four4); - pos += 4; - } while(--todo); - /* NOTE: step_count4 now represents the next four counts after - * the last four mixed samples, so the lowest element - * represents the next step count to apply. - */ - step_count = _mm_cvtss_f32(step_count4); - } - /* Mix with applying left over gain steps that aren't aligned multiples of 4. */ - for(;pos < minsize;pos++) - { - OutBuffer[c][OutPos+pos] += data[pos]*(gain + step*step_count); - step_count += 1.0f; - } - if(pos == Counter) - gain = TargetGains[c]; - else - gain += step*step_count; - CurrentGains[c] = gain; - - /* Mix until pos is aligned with 4 or the mix is done. */ - minsize = mini(BufferSize, (pos+3)&~3); - for(;pos < minsize;pos++) - OutBuffer[c][OutPos+pos] += data[pos]*gain; - } - - if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD)) - continue; - if(LIKELY(BufferSize-pos > 3)) - { - ALsizei todo = (BufferSize-pos) >> 2; - const __m128 gain4 = _mm_set1_ps(gain); - do { - const __m128 val4 = _mm_load_ps(&data[pos]); - __m128 dry4 = _mm_load_ps(&OutBuffer[c][OutPos+pos]); - dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain4)); - _mm_store_ps(&OutBuffer[c][OutPos+pos], dry4); - pos += 4; - } while(--todo); - } - for(;pos < BufferSize;pos++) - OutBuffer[c][OutPos+pos] += data[pos]*gain; - } -} - -void MixRow_SSE(ALfloat *OutBuffer, const ALfloat *Gains, const ALfloat (*restrict data)[BUFFERSIZE], ALsizei InChans, ALsizei InPos, ALsizei BufferSize) -{ - ALsizei c; - - ASSUME(InChans > 0); - ASSUME(BufferSize > 0); - - for(c = 0;c < InChans;c++) - { - ALsizei pos = 0; - const ALfloat gain = Gains[c]; - if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD)) - continue; - - if(LIKELY(BufferSize > 3)) - { - ALsizei todo = BufferSize >> 2; - const __m128 gain4 = _mm_set1_ps(gain); - do { - const __m128 val4 = _mm_load_ps(&data[c][InPos+pos]); - __m128 dry4 = _mm_load_ps(&OutBuffer[pos]); - dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain4)); - _mm_store_ps(&OutBuffer[pos], dry4); - pos += 4; - } while(--todo); - } - for(;pos < BufferSize;pos++) - OutBuffer[pos] += data[c][InPos+pos]*gain; - } -} diff --git a/Alc/mixer/mixer_sse2.c b/Alc/mixer/mixer_sse2.c deleted file mode 100644 index 9cbaeb0a..00000000 --- a/Alc/mixer/mixer_sse2.c +++ /dev/null @@ -1,84 +0,0 @@ -/** - * 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 "alu.h" -#include "defs.h" - - -const ALfloat *Resample_lerp_SSE2(const InterpState* UNUSED(state), - const ALfloat *restrict src, ALsizei frac, ALint increment, - ALfloat *restrict dst, ALsizei 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) ALsizei pos_[4], frac_[4]; - __m128i frac4, pos4; - ALsizei todo, pos, i; - - ASSUME(numsamples > 0); - - InitiatePositionArrays(frac, increment, frac_, pos_, 4); - frac4 = _mm_setr_epi32(frac_[0], frac_[1], frac_[2], frac_[3]); - pos4 = _mm_setr_epi32(pos_[0], pos_[1], pos_[2], pos_[3]); - - todo = numsamples & ~3; - for(i = 0;i < todo;i += 4) - { - const int pos0 = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(0, 0, 0, 0))); - const int pos1 = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(1, 1, 1, 1))); - const int pos2 = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(2, 2, 2, 2))); - const int pos3 = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(3, 3, 3, 3))); - const __m128 val1 = _mm_setr_ps(src[pos0 ], src[pos1 ], src[pos2 ], src[pos3 ]); - const __m128 val2 = _mm_setr_ps(src[pos0+1], src[pos1+1], src[pos2+1], src[pos3+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); - } - - /* NOTE: These four elements represent the position *after* the last four - * samples, so the lowest element is the next position to resample. - */ - pos = _mm_cvtsi128_si32(pos4); - 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; -} diff --git a/Alc/mixer/mixer_sse3.c b/Alc/mixer/mixer_sse3.c deleted file mode 100644 index e69de29b..00000000 --- a/Alc/mixer/mixer_sse3.c +++ /dev/null diff --git a/Alc/mixer/mixer_sse41.c b/Alc/mixer/mixer_sse41.c deleted file mode 100644 index e92a3dd0..00000000 --- a/Alc/mixer/mixer_sse41.c +++ /dev/null @@ -1,85 +0,0 @@ -/** - * 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 "defs.h" - - -const ALfloat *Resample_lerp_SSE41(const InterpState* UNUSED(state), - const ALfloat *restrict src, ALsizei frac, ALint increment, - ALfloat *restrict dst, ALsizei 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) ALsizei pos_[4], frac_[4]; - __m128i frac4, pos4; - ALsizei todo, pos, i; - - ASSUME(numsamples > 0); - - InitiatePositionArrays(frac, increment, frac_, pos_, 4); - frac4 = _mm_setr_epi32(frac_[0], frac_[1], frac_[2], frac_[3]); - pos4 = _mm_setr_epi32(pos_[0], pos_[1], pos_[2], pos_[3]); - - todo = numsamples & ~3; - for(i = 0;i < todo;i += 4) - { - const int pos0 = _mm_extract_epi32(pos4, 0); - const int pos1 = _mm_extract_epi32(pos4, 1); - const int pos2 = _mm_extract_epi32(pos4, 2); - const int pos3 = _mm_extract_epi32(pos4, 3); - const __m128 val1 = _mm_setr_ps(src[pos0 ], src[pos1 ], src[pos2 ], src[pos3 ]); - const __m128 val2 = _mm_setr_ps(src[pos0+1], src[pos1+1], src[pos2+1], src[pos3+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); - } - - /* NOTE: These four elements represent the position *after* the last four - * samples, so the lowest element is the next position to resample. - */ - pos = _mm_cvtsi128_si32(pos4); - 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; -} |