1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#include "config.h"
#ifdef HAVE_ARM_NEON_H
#include <arm_neon.h>
#endif
#include "AL/al.h"
#include "AL/alc.h"
#include "alMain.h"
#include "alu.h"
static __inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*RESTRICT Values)[2],
ALfloat (*RESTRICT Coeffs)[2],
ALfloat (*RESTRICT CoeffStep)[2],
ALfloat left, ALfloat right)
{
ALuint c;
for(c = 0;c < HRIR_LENGTH;c++)
{
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];
}
}
static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
ALfloat (*RESTRICT Coeffs)[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 < HRIR_LENGTH;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]);
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 SUFFIX Neon
#include "mixer_inc.c"
#undef SUFFIX
|
