diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/mixer_neon.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/Alc/mixer_neon.c b/Alc/mixer_neon.c index 65e702eb..dd7c1c80 100644 --- a/Alc/mixer_neon.c +++ b/Alc/mixer_neon.c @@ -8,6 +8,7 @@ #include "AL/alc.h" #include "alMain.h" #include "alu.h" +#include "hrtf.h" static inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*restrict Values)[2], @@ -16,16 +17,29 @@ static inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*restrict Values)[2], const ALfloat (*restrict CoeffStep)[2], ALfloat left, ALfloat right) { - float32x4_t coeffs, deltas; 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 off = (Offset+c)&HRIR_MASK; - Values[off][0] += Coeffs[c][0] * left; - Values[off][1] += Coeffs[c][1] * right; - Coeffs[c][0] += CoeffStep[c][0]; - Coeffs[c][1] += CoeffStep[c][1]; + 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); } } |