mirror of
https://github.com/love2d/megasource.git
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update OpenAL-Soft to 1.24.3.
This commit is contained in:
Sasha Szpakowski
@@ -16,10 +16,12 @@
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#include "core/bufferline.h"
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#include "core/cubic_defs.h"
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#include "core/mixer/hrtfdefs.h"
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#include "core/resampler_limits.h"
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#include "defs.h"
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#include "hrtfbase.h"
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#include "opthelpers.h"
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struct CTag;
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struct SSETag;
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struct CubicTag;
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struct BSincTag;
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@@ -43,40 +45,45 @@ constexpr uint CubicPhaseDiffMask{CubicPhaseDiffOne - 1u};
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force_inline __m128 vmadd(const __m128 x, const __m128 y, const __m128 z) noexcept
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{ return _mm_add_ps(x, _mm_mul_ps(y, z)); }
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inline void ApplyCoeffs(float2 *RESTRICT Values, const size_t IrSize, const ConstHrirSpan Coeffs,
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const float left, const float right)
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inline void ApplyCoeffs(const al::span<float2> Values, const size_t IrSize,
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const ConstHrirSpan Coeffs, const float left, const float right)
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{
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const __m128 lrlr{_mm_setr_ps(left, right, left, right)};
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ASSUME(IrSize >= MinIrLength);
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ASSUME(IrSize <= HrirLength);
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const auto lrlr = _mm_setr_ps(left, right, left, right);
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/* Round up the IR size to a multiple of 2 for SIMD (2 IRs for 2 channels
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* is 4 floats), to avoid cutting the last sample for odd IR counts. The
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* underlying HRIR is a fixed-size multiple of 2, any extra samples are
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* either 0 (silence) or more IR samples that get applied for "free".
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*/
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const auto count4 = size_t{(IrSize+1) >> 1};
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/* This isn't technically correct to test alignment, but it's true for
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* systems that support SSE, which is the only one that needs to know the
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* alignment of Values (which alternates between 8- and 16-byte aligned).
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*/
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if(!(reinterpret_cast<uintptr_t>(Values)&15))
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if(!(reinterpret_cast<uintptr_t>(Values.data())&15))
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{
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for(size_t i{0};i < IrSize;i += 2)
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{
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const __m128 coeffs{_mm_load_ps(Coeffs[i].data())};
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__m128 vals{_mm_load_ps(Values[i].data())};
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vals = vmadd(vals, lrlr, coeffs);
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_mm_store_ps(Values[i].data(), vals);
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}
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const auto vals4 = al::span{reinterpret_cast<__m128*>(Values[0].data()), count4};
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const auto coeffs4 = al::span{reinterpret_cast<const __m128*>(Coeffs[0].data()), count4};
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std::transform(vals4.cbegin(), vals4.cend(), coeffs4.cbegin(), vals4.begin(),
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[lrlr](const __m128 &val, const __m128 &coeff) -> __m128
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{ return vmadd(val, coeff, lrlr); });
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}
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else
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{
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__m128 imp0, imp1;
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__m128 coeffs{_mm_load_ps(Coeffs[0].data())};
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__m128 vals{_mm_loadl_pi(_mm_setzero_ps(), reinterpret_cast<__m64*>(Values[0].data()))};
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imp0 = _mm_mul_ps(lrlr, coeffs);
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auto coeffs = _mm_load_ps(Coeffs[0].data());
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auto vals = _mm_loadl_pi(_mm_setzero_ps(), reinterpret_cast<__m64*>(Values[0].data()));
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auto imp0 = _mm_mul_ps(lrlr, coeffs);
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vals = _mm_add_ps(imp0, vals);
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_mm_storel_pi(reinterpret_cast<__m64*>(Values[0].data()), vals);
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size_t td{((IrSize+1)>>1) - 1};
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size_t td{count4 - 1};
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size_t i{1};
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do {
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coeffs = _mm_load_ps(Coeffs[i+1].data());
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vals = _mm_load_ps(Values[i].data());
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imp1 = _mm_mul_ps(lrlr, coeffs);
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const auto imp1 = _mm_mul_ps(lrlr, coeffs);
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imp0 = _mm_shuffle_ps(imp0, imp1, _MM_SHUFFLE(1, 0, 3, 2));
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vals = _mm_add_ps(imp0, vals);
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_mm_store_ps(Values[i].data(), vals);
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@@ -90,37 +97,38 @@ inline void ApplyCoeffs(float2 *RESTRICT Values, const size_t IrSize, const Cons
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}
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}
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force_inline void MixLine(const al::span<const float> InSamples, float *RESTRICT dst,
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float &CurrentGain, const float TargetGain, const float delta, const size_t min_len,
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const size_t aligned_len, size_t Counter)
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force_inline void MixLine(const al::span<const float> InSamples, const al::span<float> dst,
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float &CurrentGain, const float TargetGain, const float delta, const size_t fade_len,
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const size_t realign_len, size_t Counter)
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{
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float gain{CurrentGain};
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const float step{(TargetGain-gain) * delta};
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const auto step = float{(TargetGain-CurrentGain) * delta};
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size_t pos{0};
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if(!(std::abs(step) > std::numeric_limits<float>::epsilon()))
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gain = TargetGain;
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else
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if(std::abs(step) > std::numeric_limits<float>::epsilon())
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{
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float step_count{0.0f};
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const auto gain = CurrentGain;
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auto step_count = 0.0f;
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/* Mix with applying gain steps in aligned multiples of 4. */
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if(size_t todo{min_len >> 2})
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if(const size_t todo{fade_len >> 2})
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{
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const __m128 four4{_mm_set1_ps(4.0f)};
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const __m128 step4{_mm_set1_ps(step)};
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const __m128 gain4{_mm_set1_ps(gain)};
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__m128 step_count4{_mm_setr_ps(0.0f, 1.0f, 2.0f, 3.0f)};
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do {
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const __m128 val4{_mm_load_ps(&InSamples[pos])};
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__m128 dry4{_mm_load_ps(&dst[pos])};
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const auto four4 = _mm_set1_ps(4.0f);
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const auto step4 = _mm_set1_ps(step);
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const auto gain4 = _mm_set1_ps(gain);
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auto step_count4 = _mm_setr_ps(0.0f, 1.0f, 2.0f, 3.0f);
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/* dry += val * (gain + step*step_count) */
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dry4 = vmadd(dry4, val4, vmadd(gain4, step4, step_count4));
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const auto in4 = al::span{reinterpret_cast<const __m128*>(InSamples.data()),
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InSamples.size()/4}.first(todo);
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const auto out4 = al::span{reinterpret_cast<__m128*>(dst.data()), dst.size()/4};
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std::transform(in4.begin(), in4.end(), out4.begin(), out4.begin(),
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[gain4,step4,four4,&step_count4](const __m128 val4, __m128 dry4) -> __m128
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{
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/* dry += val * (gain + step*step_count) */
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dry4 = vmadd(dry4, val4, vmadd(gain4, step4, step_count4));
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step_count4 = _mm_add_ps(step_count4, four4);
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return dry4;
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});
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pos += in4.size()*4;
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_mm_store_ps(&dst[pos], dry4);
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step_count4 = _mm_add_ps(step_count4, four4);
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pos += 4;
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} while(--todo);
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/* NOTE: step_count4 now represents the next four counts after the
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* last four mixed samples, so the lowest element represents the
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* next step count to apply.
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@@ -128,51 +136,78 @@ force_inline void MixLine(const al::span<const float> InSamples, float *RESTRICT
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step_count = _mm_cvtss_f32(step_count4);
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}
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/* Mix with applying left over gain steps that aren't aligned multiples of 4. */
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for(size_t leftover{min_len&3};leftover;++pos,--leftover)
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if(const size_t leftover{fade_len&3})
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{
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dst[pos] += InSamples[pos] * (gain + step*step_count);
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step_count += 1.0f;
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const auto in = InSamples.subspan(pos, leftover);
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const auto out = dst.subspan(pos);
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std::transform(in.begin(), in.end(), out.begin(), out.begin(),
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[gain,step,&step_count](const float val, float dry) noexcept -> float
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{
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dry += val * (gain + step*step_count);
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step_count += 1.0f;
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return dry;
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});
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pos += leftover;
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}
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if(pos < Counter)
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{
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CurrentGain = gain + step*step_count;
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return;
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}
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if(pos == Counter)
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gain = TargetGain;
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else
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gain += step*step_count;
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/* Mix until pos is aligned with 4 or the mix is done. */
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for(size_t leftover{aligned_len&3};leftover;++pos,--leftover)
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dst[pos] += InSamples[pos] * gain;
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}
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CurrentGain = gain;
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if(const size_t leftover{realign_len&3})
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{
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const auto in = InSamples.subspan(pos, leftover);
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const auto out = dst.subspan(pos);
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if(!(std::abs(gain) > GainSilenceThreshold))
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std::transform(in.begin(), in.end(), out.begin(), out.begin(),
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[TargetGain](const float val, const float dry) noexcept -> float
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{ return dry + val*TargetGain; });
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pos += leftover;
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}
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}
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CurrentGain = TargetGain;
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if(!(std::abs(TargetGain) > GainSilenceThreshold))
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return;
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if(size_t todo{(InSamples.size()-pos) >> 2})
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{
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const __m128 gain4{_mm_set1_ps(gain)};
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do {
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const __m128 val4{_mm_load_ps(&InSamples[pos])};
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__m128 dry4{_mm_load_ps(&dst[pos])};
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dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain4));
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_mm_store_ps(&dst[pos], dry4);
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pos += 4;
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} while(--todo);
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const auto in4 = al::span{reinterpret_cast<const __m128*>(InSamples.data()),
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InSamples.size()/4}.last(todo);
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const auto out = dst.subspan(pos);
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const auto out4 = al::span{reinterpret_cast<__m128*>(out.data()), out.size()/4};
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const auto gain4 = _mm_set1_ps(TargetGain);
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std::transform(in4.begin(), in4.end(), out4.begin(), out4.begin(),
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[gain4](const __m128 val4, const __m128 dry4) -> __m128
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{ return vmadd(dry4, val4, gain4); });
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pos += in4.size()*4;
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}
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if(const size_t leftover{(InSamples.size()-pos)&3})
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{
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const auto in = InSamples.last(leftover);
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const auto out = dst.subspan(pos);
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std::transform(in.begin(), in.end(), out.begin(), out.begin(),
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[TargetGain](const float val, const float dry) noexcept -> float
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{ return dry + val*TargetGain; });
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}
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for(size_t leftover{(InSamples.size()-pos)&3};leftover;++pos,--leftover)
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dst[pos] += InSamples[pos] * gain;
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}
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} // namespace
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template<>
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void Resample_<CubicTag,SSETag>(const InterpState *state, const float *src, uint frac,
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const uint increment, const al::span<float> dst)
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void Resample_<CubicTag,SSETag>(const InterpState *state, const al::span<const float> src,
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uint frac, const uint increment, const al::span<float> dst)
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{
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ASSUME(frac < MixerFracOne);
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const auto filter = std::get<CubicState>(*state).filter;
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src -= 1;
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std::generate(dst.begin(), dst.end(), [&src,&frac,increment,filter]() -> float
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size_t pos{MaxResamplerEdge-1};
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std::generate(dst.begin(), dst.end(), [&pos,&frac,src,increment,filter]() -> float
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{
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const uint pi{frac >> CubicPhaseDiffBits}; ASSUME(pi < CubicPhaseCount);
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const float pf{static_cast<float>(frac&CubicPhaseDiffMask) * (1.0f/CubicPhaseDiffOne)};
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@@ -184,47 +219,50 @@ void Resample_<CubicTag,SSETag>(const InterpState *state, const float *src, uint
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const __m128 f4 = vmadd(_mm_load_ps(filter[pi].mCoeffs.data()), pf4,
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_mm_load_ps(filter[pi].mDeltas.data()));
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/* r = f*src */
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__m128 r4{_mm_mul_ps(f4, _mm_loadu_ps(src))};
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__m128 r4{_mm_mul_ps(f4, _mm_loadu_ps(&src[pos]))};
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r4 = _mm_add_ps(r4, _mm_shuffle_ps(r4, r4, _MM_SHUFFLE(0, 1, 2, 3)));
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r4 = _mm_add_ps(r4, _mm_movehl_ps(r4, r4));
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const float output{_mm_cvtss_f32(r4)};
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frac += increment;
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src += frac>>MixerFracBits;
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pos += frac>>MixerFracBits;
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frac &= MixerFracMask;
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return output;
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});
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}
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template<>
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void Resample_<BSincTag,SSETag>(const InterpState *state, const float *src, uint frac,
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const uint increment, const al::span<float> dst)
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void Resample_<BSincTag,SSETag>(const InterpState *state, const al::span<const float> src,
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uint frac, const uint increment, const al::span<float> dst)
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{
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const auto &bsinc = std::get<BsincState>(*state);
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const float *const filter{bsinc.filter};
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const __m128 sf4{_mm_set1_ps(bsinc.sf)};
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const size_t m{bsinc.m};
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const auto sf4 = _mm_set1_ps(bsinc.sf);
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const auto m = size_t{bsinc.m};
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ASSUME(m > 0);
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ASSUME(m <= MaxResamplerPadding);
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ASSUME(frac < MixerFracOne);
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src -= bsinc.l;
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std::generate(dst.begin(), dst.end(), [&src,&frac,increment,filter,sf4,m]() -> float
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const auto filter = bsinc.filter.first(4_uz*BSincPhaseCount*m);
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ASSUME(bsinc.l <= MaxResamplerEdge);
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auto pos = size_t{MaxResamplerEdge-bsinc.l};
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std::generate(dst.begin(), dst.end(), [&pos,&frac,src,increment,sf4,m,filter]() -> float
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{
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// Calculate the phase index and factor.
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const uint pi{frac >> BSincPhaseDiffBits};
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const size_t pi{frac >> BSincPhaseDiffBits}; ASSUME(pi < BSincPhaseCount);
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const float pf{static_cast<float>(frac&BSincPhaseDiffMask) * (1.0f/BSincPhaseDiffOne)};
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// Apply the scale and phase interpolated filter.
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__m128 r4{_mm_setzero_ps()};
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auto r4 = _mm_setzero_ps();
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{
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const __m128 pf4{_mm_set1_ps(pf)};
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const float *fil{filter + m*pi*2_uz};
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const float *phd{fil + m};
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const float *scd{fil + BSincPhaseCount*2_uz*m};
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const float *spd{scd + m};
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size_t td{m >> 2};
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size_t j{0u};
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const auto pf4 = _mm_set1_ps(pf);
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const auto fil = filter.subspan(2_uz*pi*m);
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const auto phd = fil.subspan(m);
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const auto scd = fil.subspan(2_uz*BSincPhaseCount*m);
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const auto spd = scd.subspan(m);
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auto td = size_t{m >> 2};
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auto j = size_t{0};
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do {
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/* f = ((fil + sf*scd) + pf*(phd + sf*spd)) */
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@@ -232,61 +270,64 @@ void Resample_<BSincTag,SSETag>(const InterpState *state, const float *src, uint
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vmadd(_mm_load_ps(&fil[j]), sf4, _mm_load_ps(&scd[j])),
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pf4, vmadd(_mm_load_ps(&phd[j]), sf4, _mm_load_ps(&spd[j])));
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/* r += f*src */
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r4 = vmadd(r4, f4, _mm_loadu_ps(&src[j]));
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r4 = vmadd(r4, f4, _mm_loadu_ps(&src[pos+j]));
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j += 4;
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} while(--td);
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}
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r4 = _mm_add_ps(r4, _mm_shuffle_ps(r4, r4, _MM_SHUFFLE(0, 1, 2, 3)));
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r4 = _mm_add_ps(r4, _mm_movehl_ps(r4, r4));
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const float output{_mm_cvtss_f32(r4)};
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const auto output = _mm_cvtss_f32(r4);
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frac += increment;
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src += frac>>MixerFracBits;
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pos += frac>>MixerFracBits;
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frac &= MixerFracMask;
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return output;
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});
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}
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template<>
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void Resample_<FastBSincTag,SSETag>(const InterpState *state, const float *src, uint frac,
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const uint increment, const al::span<float> dst)
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void Resample_<FastBSincTag,SSETag>(const InterpState *state, const al::span<const float> src,
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uint frac, const uint increment, const al::span<float> dst)
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{
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const auto &bsinc = std::get<BsincState>(*state);
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const float *const filter{bsinc.filter};
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const size_t m{bsinc.m};
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const auto m = size_t{bsinc.m};
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ASSUME(m > 0);
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ASSUME(m <= MaxResamplerPadding);
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ASSUME(frac < MixerFracOne);
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src -= bsinc.l;
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std::generate(dst.begin(), dst.end(), [&src,&frac,increment,filter,m]() -> float
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const auto filter = bsinc.filter.first(2_uz*m*BSincPhaseCount);
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ASSUME(bsinc.l <= MaxResamplerEdge);
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size_t pos{MaxResamplerEdge-bsinc.l};
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std::generate(dst.begin(), dst.end(), [&pos,&frac,src,increment,filter,m]() -> float
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{
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// Calculate the phase index and factor.
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const uint pi{frac >> BSincPhaseDiffBits};
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const size_t pi{frac >> BSincPhaseDiffBits}; ASSUME(pi < BSincPhaseCount);
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const float pf{static_cast<float>(frac&BSincPhaseDiffMask) * (1.0f/BSincPhaseDiffOne)};
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// Apply the phase interpolated filter.
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__m128 r4{_mm_setzero_ps()};
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auto r4 = _mm_setzero_ps();
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{
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const __m128 pf4{_mm_set1_ps(pf)};
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const float *fil{filter + m*pi*2_uz};
|
||||
const float *phd{fil + m};
|
||||
size_t td{m >> 2};
|
||||
size_t j{0u};
|
||||
const auto pf4 = _mm_set1_ps(pf);
|
||||
const auto fil = filter.subspan(2_uz*m*pi);
|
||||
const auto phd = fil.subspan(m);
|
||||
auto td = size_t{m >> 2};
|
||||
auto j = size_t{0};
|
||||
|
||||
do {
|
||||
/* f = fil + pf*phd */
|
||||
const __m128 f4 = vmadd(_mm_load_ps(&fil[j]), pf4, _mm_load_ps(&phd[j]));
|
||||
const auto f4 = vmadd(_mm_load_ps(&fil[j]), pf4, _mm_load_ps(&phd[j]));
|
||||
/* r += f*src */
|
||||
r4 = vmadd(r4, f4, _mm_loadu_ps(&src[j]));
|
||||
r4 = vmadd(r4, f4, _mm_loadu_ps(&src[pos+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));
|
||||
const float output{_mm_cvtss_f32(r4)};
|
||||
const auto output = _mm_cvtss_f32(r4);
|
||||
|
||||
frac += increment;
|
||||
src += frac>>MixerFracBits;
|
||||
pos += frac>>MixerFracBits;
|
||||
frac &= MixerFracMask;
|
||||
return output;
|
||||
});
|
||||
@@ -294,50 +335,59 @@ void Resample_<FastBSincTag,SSETag>(const InterpState *state, const float *src,
|
||||
|
||||
|
||||
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); }
|
||||
void MixHrtf_<SSETag>(const al::span<const float> InSamples, const al::span<float2> AccumSamples,
|
||||
const uint IrSize, const MixHrtfFilter *hrtfparams, const size_t SamplesToDo)
|
||||
{ MixHrtfBase<ApplyCoeffs>(InSamples, AccumSamples, IrSize, hrtfparams, SamplesToDo); }
|
||||
|
||||
template<>
|
||||
void MixHrtfBlend_<SSETag>(const float *InSamples, float2 *AccumSamples, const uint IrSize,
|
||||
const HrtfFilter *oldparams, const MixHrtfFilter *newparams, const size_t BufferSize)
|
||||
void MixHrtfBlend_<SSETag>(const al::span<const float> InSamples,
|
||||
const al::span<float2> AccumSamples, const uint IrSize, const HrtfFilter *oldparams,
|
||||
const MixHrtfFilter *newparams, const size_t SamplesToDo)
|
||||
{
|
||||
MixHrtfBlendBase<ApplyCoeffs>(InSamples, AccumSamples, IrSize, oldparams, newparams,
|
||||
BufferSize);
|
||||
SamplesToDo);
|
||||
}
|
||||
|
||||
template<>
|
||||
void MixDirectHrtf_<SSETag>(const FloatBufferSpan LeftOut, const FloatBufferSpan RightOut,
|
||||
const al::span<const FloatBufferLine> InSamples, float2 *AccumSamples,
|
||||
const al::span<float,BufferLineSize> TempBuf, HrtfChannelState *ChanState, const size_t IrSize,
|
||||
const size_t BufferSize)
|
||||
const al::span<const FloatBufferLine> InSamples, const al::span<float2> AccumSamples,
|
||||
const al::span<float,BufferLineSize> TempBuf, const al::span<HrtfChannelState> ChanState,
|
||||
const size_t IrSize, const size_t SamplesToDo)
|
||||
{
|
||||
MixDirectHrtfBase<ApplyCoeffs>(LeftOut, RightOut, InSamples, AccumSamples, TempBuf, ChanState,
|
||||
IrSize, BufferSize);
|
||||
IrSize, SamplesToDo);
|
||||
}
|
||||
|
||||
|
||||
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 al::span<float> CurrentGains, const al::span<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 = std::min(Counter, InSamples.size());
|
||||
const auto aligned_len = std::min((min_len+3_uz) & ~3_uz, InSamples.size()) - min_len;
|
||||
if((OutPos&3) != 0) UNLIKELY
|
||||
return Mix_<CTag>(InSamples, OutBuffer, CurrentGains, TargetGains, Counter, OutPos);
|
||||
|
||||
const float delta{(Counter > 0) ? 1.0f / static_cast<float>(Counter) : 0.0f};
|
||||
const auto fade_len = std::min(Counter, InSamples.size());
|
||||
const auto realign_len = std::min((fade_len+3_uz) & ~3_uz, InSamples.size()) - fade_len;
|
||||
|
||||
auto curgains = CurrentGains.begin();
|
||||
auto targetgains = TargetGains.cbegin();
|
||||
for(FloatBufferLine &output : OutBuffer)
|
||||
MixLine(InSamples, al::assume_aligned<16>(output.data()+OutPos), *CurrentGains++,
|
||||
*TargetGains++, delta, min_len, aligned_len, Counter);
|
||||
MixLine(InSamples, al::span{output}.subspan(OutPos), *curgains++, *targetgains++, delta,
|
||||
fade_len, realign_len, Counter);
|
||||
}
|
||||
|
||||
template<>
|
||||
void Mix_<SSETag>(const al::span<const float> InSamples, float *OutBuffer, float &CurrentGain,
|
||||
const float TargetGain, const size_t Counter)
|
||||
void Mix_<SSETag>(const al::span<const float> InSamples, const al::span<float> OutBuffer,
|
||||
float &CurrentGain, const float TargetGain, const size_t Counter)
|
||||
{
|
||||
const float delta{(Counter > 0) ? 1.0f / static_cast<float>(Counter) : 0.0f};
|
||||
const auto min_len = std::min(Counter, InSamples.size());
|
||||
const auto aligned_len = std::min((min_len+3_uz) & ~3_uz, InSamples.size()) - min_len;
|
||||
if((reinterpret_cast<uintptr_t>(OutBuffer.data())&15) != 0) UNLIKELY
|
||||
return Mix_<CTag>(InSamples, OutBuffer, CurrentGain, TargetGain, Counter);
|
||||
|
||||
MixLine(InSamples, al::assume_aligned<16>(OutBuffer), CurrentGain, TargetGain, delta, min_len,
|
||||
aligned_len, Counter);
|
||||
const float delta{(Counter > 0) ? 1.0f / static_cast<float>(Counter) : 0.0f};
|
||||
const auto fade_len = std::min(Counter, InSamples.size());
|
||||
const auto realign_len = std::min((fade_len+3_uz) & ~3_uz, InSamples.size()) - fade_len;
|
||||
|
||||
MixLine(InSamples, OutBuffer, CurrentGain, TargetGain, delta, fade_len, realign_len, Counter);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user