diff options
Diffstat (limited to 'Alc/mixer_neon.c')
| -rw-r--r-- | Alc/mixer_neon.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Alc/mixer_neon.c b/Alc/mixer_neon.c index 413bd627..8ce17644 100644 --- a/Alc/mixer_neon.c +++ b/Alc/mixer_neon.c @@ -9,6 +9,38 @@ #include "hrtf.h" +static inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*restrict Values)[2], + const ALuint IrSize, + ALfloat (*restrict Coeffs)[2], + const ALfloat (*restrict CoeffStep)[2], + ALfloat left, ALfloat right) +{ + ALuint 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); + } + for(c = 0;c < IrSize;c += 2) + { + const ALuint o0 = (Offset+c)&HRIR_MASK; + const ALuint 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]); + float32x4_t deltas = vld1q_f32(&CoeffStep[c][0]); + + vals = vmlaq_f32(vals, coefs, leftright4); + coefs = vaddq_f32(coefs, deltas); + + vst1_f32((float32_t*)&Values[o0][0], vget_low_f32(vals)); + vst1_f32((float32_t*)&Values[o1][0], vget_high_f32(vals)); + vst1q_f32(&Coeffs[c][0], coefs); + } +} + static inline void ApplyCoeffs(ALuint Offset, ALfloat (*restrict Values)[2], const ALuint IrSize, ALfloat (*restrict Coeffs)[2], |