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-rw-r--r--Alc/mixer/mixer_neon.c283
1 files changed, 0 insertions, 283 deletions
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;
- }
-}
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