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-rw-r--r--Alc/mixer_neon.c28
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);
}
}