62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
#include "config.h"
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#ifdef HAVE_ARM_NEON_H
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#include <arm_neon.h>
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#endif
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "alMain.h"
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#include "alu.h"
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static __inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*RESTRICT Values)[2],
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const ALuint IrSize,
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ALfloat (*RESTRICT Coeffs)[2],
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const ALfloat (*RESTRICT CoeffStep)[2],
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ALfloat left, ALfloat right)
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{
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ALuint c;
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for(c = 0;c < IrSize;c++)
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{
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const ALuint off = (Offset+c)&HRIR_MASK;
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Values[off][0] += Coeffs[c][0] * left;
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Values[off][1] += Coeffs[c][1] * right;
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Coeffs[c][0] += CoeffStep[c][0];
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Coeffs[c][1] += CoeffStep[c][1];
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}
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}
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static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
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const ALuint IrSize,
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ALfloat (*RESTRICT Coeffs)[2],
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ALfloat left, ALfloat right)
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{
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ALuint c;
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float32x4_t leftright4;
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{
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float32x2_t leftright2 = vdup_n_f32(0.0);
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leftright2 = vset_lane_f32(left, leftright2, 0);
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leftright2 = vset_lane_f32(right, leftright2, 1);
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leftright4 = vcombine_f32(leftright2, leftright2);
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}
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for(c = 0;c < IrSize;c += 2)
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{
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const ALuint o0 = (Offset+c)&HRIR_MASK;
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const ALuint o1 = (o0+1)&HRIR_MASK;
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float32x4_t vals = vcombine_f32(vld1_f32((float32_t*)&Values[o0][0]),
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vld1_f32((float32_t*)&Values[o1][0]));
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float32x4_t coefs = vld1q_f32((float32_t*)&Coeffs[c][0]);
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vals = vmlaq_f32(vals, coefs, leftright4);
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vst1_f32((float32_t*)&Values[o0][0], vget_low_f32(vals));
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vst1_f32((float32_t*)&Values[o1][0], vget_high_f32(vals));
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}
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}
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#define SUFFIX Neon
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#include "mixer_inc.c"
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#undef SUFFIX
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