1 files changed, 0 insertions, 266 deletions
diff --git a/alc/mixer/mixer_sse.cpp b/alc/mixer/mixer_sse.cpp
deleted file mode 100644
index 85b2f1ce..00000000
--- a/alc/mixer/mixer_sse.cpp
+++ /dev/null
@@ -1,266 +0,0 @@
-#include "config.h"
-
-#include <xmmintrin.h>
-
-#include <cmath>
-#include <limits>
-
-#include "alnumeric.h"
-#include "core/bsinc_defs.h"
-#include "defs.h"
-#include "hrtfbase.h"
-
-struct SSETag;
-struct BSincTag;
-struct FastBSincTag;
-
-
-namespace {
-
-constexpr uint FracPhaseBitDiff{MixerFracBits - BSincPhaseBits};
-constexpr uint FracPhaseDiffOne{1 << FracPhaseBitDiff};
-
-#define MLA4(x, y, z) _mm_add_ps(x, _mm_mul_ps(y, z))
-
-inline void ApplyCoeffs(float2 *RESTRICT Values, const uint_fast32_t IrSize,
-    const HrirArray &Coeffs, const float left, const float right)
-{
-    const __m128 lrlr{_mm_setr_ps(left, right, left, right)};
-
-    ASSUME(IrSize >= MIN_IR_LENGTH);
-    /* This isn't technically correct to test alignment, but it's true for
-     * systems that support SSE, which is the only one that needs to know the
-     * alignment of Values (which alternates between 8- and 16-byte aligned).
-     */
-    if(reinterpret_cast<intptr_t>(Values)&0x8)
-    {
-        __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);
-        uint_fast32_t td{((IrSize+1)>>1) - 1};
-        size_t i{1};
-        do {
-            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;
-            i += 2;
-        } while(--td);
-        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(size_t i{0};i < IrSize;i += 2)
-        {
-            const __m128 coeffs{_mm_load_ps(&Coeffs[i][0])};
-            __m128 vals{_mm_load_ps(&Values[i][0])};
-            vals = MLA4(vals, lrlr, coeffs);
-            _mm_store_ps(&Values[i][0], vals);
-        }
-    }
-}
-
-} // namespace
-
-template<>
-const float *Resample_<BSincTag,SSETag>(const InterpState *state, const float *RESTRICT src,
-    uint frac, uint increment, const al::span<float> dst)
-{
-    const float *const filter{state->bsinc.filter};
-    const __m128 sf4{_mm_set1_ps(state->bsinc.sf)};
-    const size_t m{state->bsinc.m};
-
-    src -= state->bsinc.l;
-    for(float &out_sample : dst)
-    {
-        // Calculate the phase index and factor.
-        const uint pi{frac >> FracPhaseBitDiff};
-        const float pf{static_cast<float>(frac & (FracPhaseDiffOne-1)) * (1.0f/FracPhaseDiffOne)};
-
-        // Apply the scale and phase interpolated filter.
-        __m128 r4{_mm_setzero_ps()};
-        {
-            const __m128 pf4{_mm_set1_ps(pf)};
-            const float *fil{filter + m*pi*4};
-            const float *phd{fil + m};
-            const float *scd{phd + m};
-            const float *spd{scd + m};
-            size_t td{m >> 2};
-            size_t j{0u};
-
-            do {
-                /* f = ((fil + sf*scd) + pf*(phd + sf*spd)) */
-                const __m128 f4 = MLA4(
-                    MLA4(_mm_load_ps(&fil[j]), sf4, _mm_load_ps(&scd[j])),
-                    pf4, MLA4(_mm_load_ps(&phd[j]), sf4, _mm_load_ps(&spd[j])));
-                /* r += f*src */
-                r4 = MLA4(r4, f4, _mm_loadu_ps(&src[j]));
-                j += 4;
-            } while(--td);
-        }
-        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));
-        out_sample = _mm_cvtss_f32(r4);
-
-        frac += increment;
-        src  += frac>>MixerFracBits;
-        frac &= MixerFracMask;
-    }
-    return dst.data();
-}
-
-template<>
-const float *Resample_<FastBSincTag,SSETag>(const InterpState *state, const float *RESTRICT src,
-    uint frac, uint increment, const al::span<float> dst)
-{
-    const float *const filter{state->bsinc.filter};
-    const size_t m{state->bsinc.m};
-
-    src -= state->bsinc.l;
-    for(float &out_sample : dst)
-    {
-        // Calculate the phase index and factor.
-        const uint pi{frac >> FracPhaseBitDiff};
-        const float pf{static_cast<float>(frac & (FracPhaseDiffOne-1)) * (1.0f/FracPhaseDiffOne)};
-
-        // Apply the phase interpolated filter.
-        __m128 r4{_mm_setzero_ps()};
-        {
-            const __m128 pf4{_mm_set1_ps(pf)};
-            const float *fil{filter + m*pi*4};
-            const float *phd{fil + m};
-            size_t td{m >> 2};
-            size_t j{0u};
-
-            do {
-                /* f = fil + pf*phd */
-                const __m128 f4 = MLA4(_mm_load_ps(&fil[j]), pf4, _mm_load_ps(&phd[j]));
-                /* r += f*src */
-                r4 = MLA4(r4, f4, _mm_loadu_ps(&src[j]));
-                j += 4;
-            } while(--td);
-        }
-        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));
-        out_sample = _mm_cvtss_f32(r4);
-
-        frac += increment;
-        src  += frac>>MixerFracBits;
-        frac &= MixerFracMask;
-    }
-    return dst.data();
-}
-
-
-template<>
-void MixHrtf_<SSETag>(const float *InSamples, float2 *AccumSamples, const uint IrSize,
-    const MixHrtfFilter *hrtfparams, const size_t BufferSize)
-{ MixHrtfBase<ApplyCoeffs>(InSamples, AccumSamples, IrSize, hrtfparams, BufferSize); }
-
-template<>
-void MixHrtfBlend_<SSETag>(const float *InSamples, float2 *AccumSamples, const uint IrSize,
-    const HrtfFilter *oldparams, const MixHrtfFilter *newparams, const size_t BufferSize)
-{
-    MixHrtfBlendBase<ApplyCoeffs>(InSamples, AccumSamples, IrSize, oldparams, newparams,
-        BufferSize);
-}
-
-template<>
-void MixDirectHrtf_<SSETag>(FloatBufferLine &LeftOut, FloatBufferLine &RightOut,
-    const al::span<const FloatBufferLine> InSamples, float2 *AccumSamples,
-    float *TempBuf, HrtfChannelState *ChanState, const size_t IrSize, const size_t BufferSize)
-{
-    MixDirectHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, TempBuf, ChanState,
-        IrSize, BufferSize);
-}
-
-
-template<>
-void Mix_<SSETag>(const al::span<const float> InSamples, const al::span<FloatBufferLine> OutBuffer,
-    float *CurrentGains, const float *TargetGains, const size_t Counter, const size_t OutPos)
-{
-    const float delta{(Counter > 0) ? 1.0f / static_cast<float>(Counter) : 0.0f};
-    const auto min_len = minz(Counter, InSamples.size());
-    const auto aligned_len = minz((min_len+3) & ~size_t{3}, InSamples.size()) - min_len;
-
-    for(FloatBufferLine &output : OutBuffer)
-    {
-        float *RESTRICT dst{al::assume_aligned<16>(output.data()+OutPos)};
-        float gain{*CurrentGains};
-        const float step{(*TargetGains-gain) * delta};
-
-        size_t pos{0};
-        if(!(std::abs(step) > std::numeric_limits<float>::epsilon()))
-            gain = *TargetGains;
-        else
-        {
-            float step_count{0.0f};
-            /* Mix with applying gain steps in aligned multiples of 4. */
-            if(size_t todo{(min_len-pos) >> 2})
-            {
-                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)};
-                do {
-                    const __m128 val4{_mm_load_ps(&InSamples[pos])};
-                    __m128 dry4{_mm_load_ps(&dst[pos])};
-
-                    /* dry += val * (gain + step*step_count) */
-                    dry4 = MLA4(dry4, val4, MLA4(gain4, step4, step_count4));
-
-                    _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(size_t leftover{min_len&3};leftover;++pos,--leftover)
-            {
-                dst[pos] += InSamples[pos] * (gain + step*step_count);
-                step_count += 1.0f;
-            }
-            if(pos == Counter)
-                gain = *TargetGains;
-            else
-                gain += step*step_count;
-
-            /* Mix until pos is aligned with 4 or the mix is done. */
-            for(size_t leftover{aligned_len&3};leftover;++pos,--leftover)
-                dst[pos] += InSamples[pos] * gain;
-        }
-        *CurrentGains = gain;
-        ++CurrentGains;
-        ++TargetGains;
-
-        if(!(std::abs(gain) > GainSilenceThreshold))
-            continue;
-        if(size_t todo{(InSamples.size()-pos) >> 2})
-        {
-            const __m128 gain4{_mm_set1_ps(gain)};
-            do {
-                const __m128 val4{_mm_load_ps(&InSamples[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(size_t leftover{(InSamples.size()-pos)&3};leftover;++pos,--leftover)
-            dst[pos] += InSamples[pos] * gain;
-    }
-}