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-rw-r--r--Alc/mixer/defs.h59
-rw-r--r--Alc/mixer/hrtfbase.h138
-rw-r--r--Alc/mixer/mixer_c.cpp208
-rw-r--r--Alc/mixer/mixer_neon.cpp307
-rw-r--r--Alc/mixer/mixer_sse.cpp262
-rw-r--r--Alc/mixer/mixer_sse2.cpp84
-rw-r--r--Alc/mixer/mixer_sse3.cpp0
-rw-r--r--Alc/mixer/mixer_sse41.cpp85
8 files changed, 0 insertions, 1143 deletions
diff --git a/Alc/mixer/defs.h b/Alc/mixer/defs.h
deleted file mode 100644
index 3e5d1125..00000000
--- a/Alc/mixer/defs.h
+++ /dev/null
@@ -1,59 +0,0 @@
-#ifndef MIXER_DEFS_H
-#define MIXER_DEFS_H
-
-#include "AL/alc.h"
-#include "AL/al.h"
-
-#include "alcmain.h"
-#include "alu.h"
-#include "alspan.h"
-
-
-struct MixGains;
-struct MixHrtfFilter;
-struct HrtfState;
-struct DirectHrtfState;
-
-
-struct CTag { };
-struct SSETag { };
-struct SSE2Tag { };
-struct SSE3Tag { };
-struct SSE4Tag { };
-struct NEONTag { };
-
-struct CopyTag { };
-struct PointTag { };
-struct LerpTag { };
-struct CubicTag { };
-struct BSincTag { };
-
-template<typename TypeTag, typename InstTag>
-const ALfloat *Resample_(const InterpState *state, const ALfloat *RESTRICT src, ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen);
-
-template<typename InstTag>
-void Mix_(const ALfloat *data, const al::span<FloatBufferLine> OutBuffer, ALfloat *CurrentGains, const ALfloat *TargetGains, const ALsizei Counter, const ALsizei OutPos, const ALsizei BufferSize);
-template<typename InstTag>
-void MixRow_(FloatBufferLine &OutBuffer, const ALfloat *Gains, const al::span<const FloatBufferLine> InSamples, const ALsizei InPos, const ALsizei BufferSize);
-
-template<typename InstTag>
-void MixHrtf_(FloatBufferLine &LeftOut, FloatBufferLine &RightOut, const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize, MixHrtfFilter *hrtfparams, const ALsizei BufferSize);
-template<typename InstTag>
-void MixHrtfBlend_(FloatBufferLine &LeftOut, FloatBufferLine &RightOut, const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize, const HrtfFilter *oldparams, MixHrtfFilter *newparams, const ALsizei BufferSize);
-template<typename InstTag>
-void MixDirectHrtf_(FloatBufferLine &LeftOut, FloatBufferLine &RightOut, const al::span<const FloatBufferLine> InSamples, float2 *AccumSamples, DirectHrtfState *State, const ALsizei BufferSize);
-
-/* Vectorized resampler helpers */
-inline void InitiatePositionArrays(ALsizei frac, ALint increment, ALsizei *RESTRICT frac_arr, ALsizei *RESTRICT pos_arr, ALsizei size)
-{
- pos_arr[0] = 0;
- frac_arr[0] = frac;
- for(ALsizei 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;
- }
-}
-
-#endif /* MIXER_DEFS_H */
diff --git a/Alc/mixer/hrtfbase.h b/Alc/mixer/hrtfbase.h
deleted file mode 100644
index a76bd62e..00000000
--- a/Alc/mixer/hrtfbase.h
+++ /dev/null
@@ -1,138 +0,0 @@
-#ifndef MIXER_HRTFBASE_H
-#define MIXER_HRTFBASE_H
-
-#include <algorithm>
-
-#include "alu.h"
-#include "../hrtf.h"
-#include "opthelpers.h"
-
-
-using ApplyCoeffsT = void(ALsizei Offset, float2 *RESTRICT Values, const ALsizei irSize,
- const HrirArray<ALfloat> &Coeffs, const ALfloat left, const ALfloat right);
-
-template<ApplyCoeffsT &ApplyCoeffs>
-inline void MixHrtfBase(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *RESTRICT AccumSamples, const ALsizei OutPos,
- const ALsizei IrSize, MixHrtfFilter *hrtfparams, const ALsizei BufferSize)
-{
- ASSUME(OutPos >= 0);
- ASSUME(IrSize >= 4);
- ASSUME(BufferSize > 0);
-
- const auto &Coeffs = *hrtfparams->Coeffs;
- const ALfloat gainstep{hrtfparams->GainStep};
- const ALfloat gain{hrtfparams->Gain};
-
- ALsizei Delay[2]{
- HRTF_HISTORY_LENGTH - hrtfparams->Delay[0],
- HRTF_HISTORY_LENGTH - hrtfparams->Delay[1] };
- ASSUME(Delay[0] >= 0 && Delay[1] >= 0);
- ALfloat stepcount{0.0f};
- for(ALsizei i{0};i < BufferSize;++i)
- {
- const ALfloat g{gain + gainstep*stepcount};
- const ALfloat left{InSamples[Delay[0]++] * g};
- const ALfloat right{InSamples[Delay[1]++] * g};
- ApplyCoeffs(i, AccumSamples+i, IrSize, Coeffs, left, right);
-
- stepcount += 1.0f;
- }
-
- for(ALsizei i{0};i < BufferSize;++i)
- LeftOut[OutPos+i] += AccumSamples[i][0];
- for(ALsizei i{0};i < BufferSize;++i)
- RightOut[OutPos+i] += AccumSamples[i][1];
-
- hrtfparams->Gain = gain + gainstep*stepcount;
-}
-
-template<ApplyCoeffsT &ApplyCoeffs>
-inline void MixHrtfBlendBase(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *RESTRICT AccumSamples, const ALsizei OutPos,
- const ALsizei IrSize, const HrtfFilter *oldparams, MixHrtfFilter *newparams,
- const ALsizei BufferSize)
-{
- const auto &OldCoeffs = oldparams->Coeffs;
- const ALfloat oldGain{oldparams->Gain};
- const ALfloat oldGainStep{-oldGain / static_cast<ALfloat>(BufferSize)};
- const auto &NewCoeffs = *newparams->Coeffs;
- const ALfloat newGainStep{newparams->GainStep};
-
- ASSUME(OutPos >= 0);
- ASSUME(IrSize >= 4);
- ASSUME(BufferSize > 0);
-
- ALsizei Delay[2]{
- HRTF_HISTORY_LENGTH - oldparams->Delay[0],
- HRTF_HISTORY_LENGTH - oldparams->Delay[1] };
- ASSUME(Delay[0] >= 0 && Delay[1] >= 0);
- ALfloat stepcount{0.0f};
- for(ALsizei i{0};i < BufferSize;++i)
- {
- const ALfloat g{oldGain + oldGainStep*stepcount};
- const ALfloat left{InSamples[Delay[0]++] * g};
- const ALfloat right{InSamples[Delay[1]++] * g};
- ApplyCoeffs(i, AccumSamples+i, IrSize, OldCoeffs, left, right);
-
- stepcount += 1.0f;
- }
-
- Delay[0] = HRTF_HISTORY_LENGTH - newparams->Delay[0];
- Delay[1] = HRTF_HISTORY_LENGTH - newparams->Delay[1];
- ASSUME(Delay[0] >= 0 && Delay[1] >= 0);
- stepcount = 0.0f;
- for(ALsizei i{0};i < BufferSize;++i)
- {
- const ALfloat g{newGainStep*stepcount};
- const ALfloat left{InSamples[Delay[0]++] * g};
- const ALfloat right{InSamples[Delay[1]++] * g};
- ApplyCoeffs(i, AccumSamples+i, IrSize, NewCoeffs, left, right);
-
- stepcount += 1.0f;
- }
-
- for(ALsizei i{0};i < BufferSize;++i)
- LeftOut[OutPos+i] += AccumSamples[i][0];
- for(ALsizei i{0};i < BufferSize;++i)
- RightOut[OutPos+i] += AccumSamples[i][1];
-
- newparams->Gain = newGainStep*stepcount;
-}
-
-template<ApplyCoeffsT &ApplyCoeffs>
-inline void MixDirectHrtfBase(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const al::span<const FloatBufferLine> InSamples, float2 *RESTRICT AccumSamples,
- DirectHrtfState *State, const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- const ALsizei IrSize{State->IrSize};
- ASSUME(IrSize >= 4);
-
- auto chanstate = State->Chan.begin();
- for(const FloatBufferLine &input : InSamples)
- {
- const auto &Coeffs = chanstate->Coeffs;
-
- auto accum_iter = std::copy_n(chanstate->Values.begin(),
- chanstate->Values.size(), AccumSamples);
- std::fill_n(accum_iter, BufferSize, float2{});
-
- for(ALsizei i{0};i < BufferSize;++i)
- {
- const ALfloat insample{input[i]};
- ApplyCoeffs(i, AccumSamples+i, IrSize, Coeffs, insample, insample);
- }
- for(ALsizei i{0};i < BufferSize;++i)
- LeftOut[i] += AccumSamples[i][0];
- for(ALsizei i{0};i < BufferSize;++i)
- RightOut[i] += AccumSamples[i][1];
-
- std::copy_n(AccumSamples + BufferSize, chanstate->Values.size(),
- chanstate->Values.begin());
- ++chanstate;
- }
-}
-
-#endif /* MIXER_HRTFBASE_H */
diff --git a/Alc/mixer/mixer_c.cpp b/Alc/mixer/mixer_c.cpp
deleted file mode 100644
index 47c4a6f4..00000000
--- a/Alc/mixer/mixer_c.cpp
+++ /dev/null
@@ -1,208 +0,0 @@
-#include "config.h"
-
-#include <cassert>
-
-#include <limits>
-
-#include "alcmain.h"
-#include "alu.h"
-#include "alSource.h"
-#include "alAuxEffectSlot.h"
-#include "defs.h"
-#include "hrtfbase.h"
-
-
-namespace {
-
-inline ALfloat do_point(const InterpState&, const ALfloat *RESTRICT vals, const ALsizei)
-{ return vals[0]; }
-inline ALfloat do_lerp(const InterpState&, const ALfloat *RESTRICT vals, const ALsizei frac)
-{ return lerp(vals[0], vals[1], frac * (1.0f/FRACTIONONE)); }
-inline ALfloat do_cubic(const InterpState&, const ALfloat *RESTRICT vals, const ALsizei frac)
-{ return cubic(vals[0], vals[1], vals[2], vals[3], frac * (1.0f/FRACTIONONE)); }
-inline ALfloat do_bsinc(const InterpState &istate, const ALfloat *RESTRICT vals, const ALsizei frac)
-{
- ASSUME(istate.bsinc.m > 0);
-
- // Calculate the phase index and factor.
-#define FRAC_PHASE_BITDIFF (FRACTIONBITS-BSINC_PHASE_BITS)
- const ALsizei pi{frac >> FRAC_PHASE_BITDIFF};
- const ALfloat pf{(frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF))};
-#undef FRAC_PHASE_BITDIFF
-
- const ALfloat *fil{istate.bsinc.filter + istate.bsinc.m*pi*4};
- const ALfloat *scd{fil + istate.bsinc.m};
- const ALfloat *phd{scd + istate.bsinc.m};
- const ALfloat *spd{phd + istate.bsinc.m};
-
- // Apply the scale and phase interpolated filter.
- ALfloat r{0.0f};
- for(ALsizei j_f{0};j_f < istate.bsinc.m;j_f++)
- r += (fil[j_f] + istate.bsinc.sf*scd[j_f] + pf*(phd[j_f] + istate.bsinc.sf*spd[j_f])) * vals[j_f];
- return r;
-}
-
-using SamplerT = ALfloat(const InterpState&, const ALfloat*RESTRICT, const ALsizei);
-template<SamplerT &Sampler>
-const ALfloat *DoResample(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei numsamples)
-{
- ASSUME(numsamples > 0);
- ASSUME(increment > 0);
- ASSUME(frac >= 0);
-
- const InterpState istate{*state};
- auto proc_sample = [&src,&frac,istate,increment]() -> ALfloat
- {
- const ALfloat ret{Sampler(istate, src, frac)};
-
- frac += increment;
- src += frac>>FRACTIONBITS;
- frac &= FRACTIONMASK;
-
- return ret;
- };
- std::generate_n(dst, numsamples, proc_sample);
-
- return dst;
-}
-
-} // namespace
-
-template<>
-const ALfloat *Resample_<CopyTag,CTag>(const InterpState*, const ALfloat *RESTRICT src, ALsizei,
- ALint, ALfloat *RESTRICT dst, ALsizei dstlen)
-{
- ASSUME(dstlen > 0);
-#if defined(HAVE_SSE) || defined(HAVE_NEON)
- /* Avoid copying the source data if it's aligned like the destination. */
- if((reinterpret_cast<intptr_t>(src)&15) == (reinterpret_cast<intptr_t>(dst)&15))
- return src;
-#endif
- std::copy_n(src, dstlen, dst);
- return dst;
-}
-
-template<>
-const ALfloat *Resample_<PointTag,CTag>(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{ return DoResample<do_point>(state, src, frac, increment, dst, dstlen); }
-
-template<>
-const ALfloat *Resample_<LerpTag,CTag>(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{ return DoResample<do_lerp>(state, src, frac, increment, dst, dstlen); }
-
-template<>
-const ALfloat *Resample_<CubicTag,CTag>(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{ return DoResample<do_cubic>(state, src-1, frac, increment, dst, dstlen); }
-
-template<>
-const ALfloat *Resample_<BSincTag,CTag>(const InterpState *state, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{ return DoResample<do_bsinc>(state, src-state->bsinc.l, frac, increment, dst, dstlen); }
-
-
-static inline void ApplyCoeffs(ALsizei /*Offset*/, float2 *RESTRICT Values, const ALsizei IrSize,
- const HrirArray<ALfloat> &Coeffs, const ALfloat left, const ALfloat right)
-{
- ASSUME(IrSize >= 2);
- for(ALsizei c{0};c < IrSize;++c)
- {
- Values[c][0] += Coeffs[c][0] * left;
- Values[c][1] += Coeffs[c][1] * right;
- }
-}
-
-template<>
-void MixHrtf_<CTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize,
- MixHrtfFilter *hrtfparams, const ALsizei BufferSize)
-{
- MixHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, OutPos, IrSize,
- hrtfparams, BufferSize);
-}
-
-template<>
-void MixHrtfBlend_<CTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize,
- const HrtfFilter *oldparams, MixHrtfFilter *newparams, const ALsizei BufferSize)
-{
- MixHrtfBlendBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, OutPos, IrSize,
- oldparams, newparams, BufferSize);
-}
-
-template<>
-void MixDirectHrtf_<CTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const al::span<const FloatBufferLine> InSamples, float2 *AccumSamples, DirectHrtfState *State,
- const ALsizei BufferSize)
-{
- MixDirectHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, State, BufferSize);
-}
-
-
-template<>
-void Mix_<CTag>(const ALfloat *data, const al::span<FloatBufferLine> OutBuffer,
- ALfloat *CurrentGains, const ALfloat *TargetGains, const ALsizei Counter, const ALsizei OutPos,
- const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- const ALfloat delta{(Counter > 0) ? 1.0f / static_cast<ALfloat>(Counter) : 0.0f};
- for(FloatBufferLine &output : OutBuffer)
- {
- ALfloat *RESTRICT dst{output.data()+OutPos};
- ALfloat gain{*CurrentGains};
- const ALfloat diff{*TargetGains - gain};
-
- ALsizei pos{0};
- if(std::fabs(diff) > std::numeric_limits<float>::epsilon())
- {
- ALsizei minsize{mini(BufferSize, Counter)};
- const ALfloat step{diff * delta};
- ALfloat step_count{0.0f};
- for(;pos < minsize;pos++)
- {
- dst[pos] += data[pos] * (gain + step*step_count);
- step_count += 1.0f;
- }
- if(pos == Counter)
- gain = *TargetGains;
- else
- gain += step*step_count;
- *CurrentGains = gain;
- }
- ++CurrentGains;
- ++TargetGains;
-
- if(!(std::fabs(gain) > GAIN_SILENCE_THRESHOLD))
- continue;
- for(;pos < BufferSize;pos++)
- dst[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.
- */
-template<>
-void MixRow_<CTag>(FloatBufferLine &OutBuffer, const ALfloat *Gains,
- const al::span<const FloatBufferLine> InSamples, const ALsizei InPos, const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- for(const FloatBufferLine &input : InSamples)
- {
- const ALfloat *RESTRICT src{input.data()+InPos};
- const ALfloat gain{*(Gains++)};
- if(!(std::fabs(gain) > GAIN_SILENCE_THRESHOLD))
- continue;
-
- for(ALsizei i{0};i < BufferSize;i++)
- OutBuffer[i] += src[i] * gain;
- }
-}
diff --git a/Alc/mixer/mixer_neon.cpp b/Alc/mixer/mixer_neon.cpp
deleted file mode 100644
index fa487d97..00000000
--- a/Alc/mixer/mixer_neon.cpp
+++ /dev/null
@@ -1,307 +0,0 @@
-#include "config.h"
-
-#include <arm_neon.h>
-
-#include <limits>
-
-#include "AL/al.h"
-#include "AL/alc.h"
-#include "alcmain.h"
-#include "alu.h"
-#include "hrtf.h"
-#include "defs.h"
-#include "hrtfbase.h"
-
-
-
-template<>
-const ALfloat *Resample_<LerpTag,NEONTag>(const InterpState*, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{
- 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(frac >= 0);
- ASSUME(increment > 0);
- ASSUME(dstlen > 0);
-
- InitiatePositionArrays(frac, increment, frac_, pos_, 4);
- frac4 = vld1q_s32(frac_);
- pos4 = vld1q_s32(pos_);
-
- todo = dstlen & ~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 < dstlen;++i)
- {
- dst[i] = lerp(src[pos], src[pos+1], frac * (1.0f/FRACTIONONE));
-
- frac += increment;
- pos += frac>>FRACTIONBITS;
- frac &= FRACTIONMASK;
- }
- return dst;
-}
-
-template<>
-const ALfloat *Resample_<BSincTag,NEONTag>(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);
- ASSUME(increment > 0);
- ASSUME(frac >= 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 float32x4_t*)(filter + offset); offset += m;
- scd = (const float32x4_t*)(filter + offset); offset += m;
- phd = (const float32x4_t*)(filter + offset); offset += m;
- spd = (const float32x4_t*)(filter + offset);
-
- // 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*/, float2 *RESTRICT Values, const ALsizei IrSize,
- const HrirArray<ALfloat> &Coeffs, const ALfloat left, const ALfloat right)
-{
- ASSUME(IrSize >= 2);
-
- 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);
- }
-
- for(ALsizei c{0};c < IrSize;c += 2)
- {
- float32x4_t vals = vcombine_f32(vld1_f32((float32_t*)&Values[c ][0]),
- vld1_f32((float32_t*)&Values[c+1][0]));
- float32x4_t coefs = vld1q_f32((float32_t*)&Coeffs[c][0]);
-
- vals = vmlaq_f32(vals, coefs, leftright4);
-
- vst1_f32((float32_t*)&Values[c ][0], vget_low_f32(vals));
- vst1_f32((float32_t*)&Values[c+1][0], vget_high_f32(vals));
- }
-}
-
-template<>
-void MixHrtf_<NEONTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize,
- MixHrtfFilter *hrtfparams, const ALsizei BufferSize)
-{
- MixHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, OutPos, IrSize,
- hrtfparams, BufferSize);
-}
-
-template<>
-void MixHrtfBlend_<NEONTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize,
- const HrtfFilter *oldparams, MixHrtfFilter *newparams, const ALsizei BufferSize)
-{
- MixHrtfBlendBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, OutPos, IrSize,
- oldparams, newparams, BufferSize);
-}
-
-template<>
-void MixDirectHrtf_<NEONTag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const al::span<const FloatBufferLine> InSamples, float2 *AccumSamples, DirectHrtfState *State,
- const ALsizei BufferSize)
-{
- MixDirectHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, State, BufferSize);
-}
-
-
-template<>
-void Mix_<NEONTag>(const ALfloat *data, const al::span<FloatBufferLine> OutBuffer,
- ALfloat *CurrentGains, const ALfloat *TargetGains, const ALsizei Counter, const ALsizei OutPos,
- const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- const ALfloat delta{(Counter > 0) ? 1.0f/(ALfloat)Counter : 0.0f};
- for(FloatBufferLine &output : OutBuffer)
- {
- ALfloat *RESTRICT dst{al::assume_aligned<16>(output.data()+OutPos)};
- ALfloat gain{*CurrentGains};
- const ALfloat diff{*TargetGains - gain};
-
- ALsizei pos{0};
- if(std::fabs(diff) > std::numeric_limits<float>::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(&dst[pos]);
- dry4 = vmlaq_f32(dry4, val4, vmlaq_f32(gain4, step4, step_count4));
- step_count4 = vaddq_f32(step_count4, four4);
- vst1q_f32(&dst[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++)
- {
- dst[pos] += data[pos]*(gain + step*step_count);
- step_count += 1.0f;
- }
- if(pos == Counter)
- gain = *TargetGains;
- else
- gain += step*step_count;
- *CurrentGains = gain;
-
- /* Mix until pos is aligned with 4 or the mix is done. */
- minsize = mini(BufferSize, (pos+3)&~3);
- for(;pos < minsize;pos++)
- dst[pos] += data[pos]*gain;
- }
- ++CurrentGains;
- ++TargetGains;
-
- if(!(std::fabs(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(&dst[pos]);
- dry4 = vmlaq_f32(dry4, val4, gain4);
- vst1q_f32(&dst[pos], dry4);
- pos += 4;
- } while(--todo);
- }
- for(;pos < BufferSize;pos++)
- dst[pos] += data[pos]*gain;
- }
-}
-
-template<>
-void MixRow_<NEONTag>(FloatBufferLine &OutBuffer, const ALfloat *Gains,
- const al::span<const FloatBufferLine> InSamples, const ALsizei InPos, const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- for(const FloatBufferLine &input : InSamples)
- {
- const ALfloat *RESTRICT src{al::assume_aligned<16>(input.data()+InPos)};
- const ALfloat gain{*(Gains++)};
- if(!(std::fabs(gain) > GAIN_SILENCE_THRESHOLD))
- continue;
-
- ALsizei pos{0};
- if(LIKELY(BufferSize > 3))
- {
- ALsizei todo{BufferSize >> 2};
- float32x4_t gain4{vdupq_n_f32(gain)};
- do {
- const float32x4_t val4 = vld1q_f32(&src[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] += src[pos]*gain;
- }
-}
diff --git a/Alc/mixer/mixer_sse.cpp b/Alc/mixer/mixer_sse.cpp
deleted file mode 100644
index b763fdbd..00000000
--- a/Alc/mixer/mixer_sse.cpp
+++ /dev/null
@@ -1,262 +0,0 @@
-#include "config.h"
-
-#include <xmmintrin.h>
-
-#include <limits>
-
-#include "AL/al.h"
-#include "AL/alc.h"
-#include "alcmain.h"
-#include "alu.h"
-
-#include "alSource.h"
-#include "alAuxEffectSlot.h"
-#include "defs.h"
-#include "hrtfbase.h"
-
-
-template<>
-const ALfloat *Resample_<BSincTag,SSETag>(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};
-
- ASSUME(m > 0);
- ASSUME(dstlen > 0);
- ASSUME(increment > 0);
- ASSUME(frac >= 0);
-
- src -= state->bsinc.l;
- for(ALsizei i{0};i < dstlen;i++)
- {
- // Calculate the phase index and factor.
-#define FRAC_PHASE_BITDIFF (FRACTIONBITS-BSINC_PHASE_BITS)
- const ALsizei pi{frac >> FRAC_PHASE_BITDIFF};
- const ALfloat pf{(frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF))};
-#undef FRAC_PHASE_BITDIFF
-
- ALsizei offset{m*pi*4};
- const __m128 *fil{reinterpret_cast<const __m128*>(filter + offset)}; offset += m;
- const __m128 *scd{reinterpret_cast<const __m128*>(filter + offset)}; offset += m;
- const __m128 *phd{reinterpret_cast<const __m128*>(filter + offset)}; offset += m;
- const __m128 *spd{reinterpret_cast<const __m128*>(filter + offset)};
-
- // Apply the scale and phase interpolated filter.
- __m128 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(ALsizei 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, float2 *RESTRICT Values, const ALsizei IrSize,
- const HrirArray<ALfloat> &Coeffs, const ALfloat left, const ALfloat right)
-{
- const __m128 lrlr{_mm_setr_ps(left, right, left, right)};
-
- ASSUME(IrSize >= 2);
-
- if((Offset&1))
- {
- __m128 imp0, imp1;
- __m128 coeffs{_mm_load_ps(&Coeffs[0][0])};
- __m128 vals{_mm_loadl_pi(_mm_setzero_ps(), reinterpret_cast<__m64*>(&Values[0][0]))};
- imp0 = _mm_mul_ps(lrlr, coeffs);
- vals = _mm_add_ps(imp0, vals);
- _mm_storel_pi(reinterpret_cast<__m64*>(&Values[0][0]), vals);
- ALsizei i{1};
- for(;i < IrSize-1;i += 2)
- {
- coeffs = _mm_load_ps(&Coeffs[i+1][0]);
- vals = _mm_load_ps(&Values[i][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[i][0], vals);
- imp0 = imp1;
- }
- vals = _mm_loadl_pi(vals, reinterpret_cast<__m64*>(&Values[i][0]));
- imp0 = _mm_movehl_ps(imp0, imp0);
- vals = _mm_add_ps(imp0, vals);
- _mm_storel_pi(reinterpret_cast<__m64*>(&Values[i][0]), vals);
- }
- else
- {
- for(ALsizei i{0};i < IrSize;i += 2)
- {
- __m128 coeffs{_mm_load_ps(&Coeffs[i][0])};
- __m128 vals{_mm_load_ps(&Values[i][0])};
- vals = _mm_add_ps(vals, _mm_mul_ps(lrlr, coeffs));
- _mm_store_ps(&Values[i][0], vals);
- }
- }
-}
-
-template<>
-void MixHrtf_<SSETag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize,
- MixHrtfFilter *hrtfparams, const ALsizei BufferSize)
-{
- MixHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, OutPos, IrSize,
- hrtfparams, BufferSize);
-}
-
-template<>
-void MixHrtfBlend_<SSETag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const ALfloat *InSamples, float2 *AccumSamples, const ALsizei OutPos, const ALsizei IrSize,
- const HrtfFilter *oldparams, MixHrtfFilter *newparams, const ALsizei BufferSize)
-{
- MixHrtfBlendBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, OutPos, IrSize,
- oldparams, newparams, BufferSize);
-}
-
-template<>
-void MixDirectHrtf_<SSETag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
- const al::span<const FloatBufferLine> InSamples, float2 *AccumSamples, DirectHrtfState *State,
- const ALsizei BufferSize)
-{
- MixDirectHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, State, BufferSize);
-}
-
-
-template<>
-void Mix_<SSETag>(const ALfloat *data, const al::span<FloatBufferLine> OutBuffer,
- ALfloat *CurrentGains, const ALfloat *TargetGains, const ALsizei Counter, const ALsizei OutPos,
- const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- const ALfloat delta{(Counter > 0) ? 1.0f / static_cast<ALfloat>(Counter) : 0.0f};
- for(FloatBufferLine &output : OutBuffer)
- {
- ALfloat *RESTRICT dst{al::assume_aligned<16>(output.data()+OutPos)};
- ALfloat gain{*CurrentGains};
- const ALfloat diff{*TargetGains - gain};
-
- ALsizei pos{0};
- if(std::fabs(diff) > std::numeric_limits<float>::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(&dst[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(&dst[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++)
- {
- dst[pos] += data[pos]*(gain + step*step_count);
- step_count += 1.0f;
- }
- if(pos == Counter)
- gain = *TargetGains;
- else
- gain += step*step_count;
- *CurrentGains = gain;
-
- /* Mix until pos is aligned with 4 or the mix is done. */
- minsize = mini(BufferSize, (pos+3)&~3);
- for(;pos < minsize;pos++)
- dst[pos] += data[pos]*gain;
- }
- ++CurrentGains;
- ++TargetGains;
-
- if(!(std::fabs(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(&dst[pos])};
- dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain4));
- _mm_store_ps(&dst[pos], dry4);
- pos += 4;
- } while(--todo);
- }
- for(;pos < BufferSize;pos++)
- dst[pos] += data[pos]*gain;
- }
-}
-
-template<>
-void MixRow_<SSETag>(FloatBufferLine &OutBuffer, const ALfloat *Gains,
- const al::span<const FloatBufferLine> InSamples, const ALsizei InPos, const ALsizei BufferSize)
-{
- ASSUME(BufferSize > 0);
-
- for(const FloatBufferLine &input : InSamples)
- {
- const ALfloat *RESTRICT src{al::assume_aligned<16>(input.data()+InPos)};
- const ALfloat gain{*(Gains++)};
- if(!(std::fabs(gain) > GAIN_SILENCE_THRESHOLD))
- continue;
-
- ALsizei pos{0};
- if(LIKELY(BufferSize > 3))
- {
- ALsizei todo{BufferSize >> 2};
- const __m128 gain4 = _mm_set1_ps(gain);
- do {
- const __m128 val4{_mm_load_ps(&src[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] += src[pos]*gain;
- }
-}
diff --git a/Alc/mixer/mixer_sse2.cpp b/Alc/mixer/mixer_sse2.cpp
deleted file mode 100644
index b5d00106..00000000
--- a/Alc/mixer/mixer_sse2.cpp
+++ /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"
-
-
-template<>
-const ALfloat *Resample_<LerpTag,SSE2Tag>(const InterpState*, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{
- const __m128i increment4{_mm_set1_epi32(increment*4)};
- const __m128 fracOne4{_mm_set1_ps(1.0f/FRACTIONONE)};
- const __m128i fracMask4{_mm_set1_epi32(FRACTIONMASK)};
-
- ASSUME(frac > 0);
- ASSUME(increment > 0);
- ASSUME(dstlen >= 0);
-
- alignas(16) ALsizei pos_[4], frac_[4];
- InitiatePositionArrays(frac, increment, frac_, pos_, 4);
- __m128i frac4{_mm_setr_epi32(frac_[0], frac_[1], frac_[2], frac_[3])};
- __m128i pos4{_mm_setr_epi32(pos_[0], pos_[1], pos_[2], pos_[3])};
-
- const ALsizei todo{dstlen & ~3};
- for(ALsizei 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.
- */
- ALsizei pos{_mm_cvtsi128_si32(pos4)};
- frac = _mm_cvtsi128_si32(frac4);
-
- for(ALsizei i{todo};i < dstlen;++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.cpp b/Alc/mixer/mixer_sse3.cpp
deleted file mode 100644
index e69de29b..00000000
--- a/Alc/mixer/mixer_sse3.cpp
+++ /dev/null
diff --git a/Alc/mixer/mixer_sse41.cpp b/Alc/mixer/mixer_sse41.cpp
deleted file mode 100644
index 7efbda7b..00000000
--- a/Alc/mixer/mixer_sse41.cpp
+++ /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"
-
-
-template<>
-const ALfloat *Resample_<LerpTag,SSE4Tag>(const InterpState*, const ALfloat *RESTRICT src,
- ALsizei frac, ALint increment, ALfloat *RESTRICT dst, ALsizei dstlen)
-{
- const __m128i increment4{_mm_set1_epi32(increment*4)};
- const __m128 fracOne4{_mm_set1_ps(1.0f/FRACTIONONE)};
- const __m128i fracMask4{_mm_set1_epi32(FRACTIONMASK)};
-
- ASSUME(frac > 0);
- ASSUME(increment > 0);
- ASSUME(dstlen >= 0);
-
- alignas(16) ALsizei pos_[4], frac_[4];
- InitiatePositionArrays(frac, increment, frac_, pos_, 4);
- __m128i frac4{_mm_setr_epi32(frac_[0], frac_[1], frac_[2], frac_[3])};
- __m128i pos4{_mm_setr_epi32(pos_[0], pos_[1], pos_[2], pos_[3])};
-
- const ALsizei todo{dstlen & ~3};
- for(ALsizei 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.
- */
- ALsizei pos{_mm_cvtsi128_si32(pos4)};
- frac = _mm_cvtsi128_si32(frac4);
-
- for(ALsizei i{todo};i < dstlen;++i)
- {
- dst[i] = lerp(src[pos], src[pos+1], frac * (1.0f/FRACTIONONE));
-
- frac += increment;
- pos += frac>>FRACTIONBITS;
- frac &= FRACTIONMASK;
- }
- return dst;
-}
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