aboutsummaryrefslogtreecommitdiffstats
path: root/Alc/mixer_sse.c
blob: 719ebd232f49e92644d020a1c6fec8329f242d0b (plain)
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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
#include "config.h"

#ifdef HAVE_XMMINTRIN_H
#ifdef IN_IDE_PARSER
/* KDevelop's parser won't recognize these defines that get added by the -msse
 * switch used to compile this source. Without them, xmmintrin.h fails to
 * declare anything. */
#define __MMX__
#define __SSE__
#endif
#include <xmmintrin.h>
#endif

#include "AL/al.h"
#include "AL/alc.h"
#include "alMain.h"
#include "alu.h"

#include "alSource.h"
#include "alAuxEffectSlot.h"
#include "mixer_defs.h"


static inline void ApplyCoeffsStep(const ALuint IrSize,
                                   ALfloat (*restrict Coeffs)[2],
                                   const ALfloat (*restrict CoeffStep)[2])
{
    __m128 coeffs, deltas;
    ALuint i;

    for(i = 0;i < IrSize;i += 2)
    {
        coeffs = _mm_load_ps(&Coeffs[i][0]);
        deltas = _mm_load_ps(&CoeffStep[i][0]);
        coeffs = _mm_add_ps(coeffs, deltas);
        _mm_store_ps(&Coeffs[i][0], coeffs);
    }
}

static inline void ApplyCoeffs(ALuint Offset, ALfloat (*restrict Values)[2],
                               const ALuint IrSize,
                               ALfloat (*restrict Coeffs)[2],
                               ALfloat left, ALfloat right)
{
    const __m128 lrlr = { left, right, left, right };
    __m128 vals = _mm_setzero_ps();
    __m128 coeffs;
    ALuint i;

    if((Offset&1))
    {
        const ALuint o0 = Offset&HRIR_MASK;
        const ALuint o1 = (Offset+IrSize-1)&HRIR_MASK;
        __m128 imp0, imp1;

        coeffs = _mm_load_ps(&Coeffs[0][0]);
        vals = _mm_loadl_pi(vals, (__m64*)&Values[o0][0]);
        imp0 = _mm_mul_ps(lrlr, coeffs);
        vals = _mm_add_ps(imp0, vals);
        _mm_storel_pi((__m64*)&Values[o0][0], vals);
        for(i = 1;i < IrSize-1;i += 2)
        {
            const ALuint o2 = (Offset+i)&HRIR_MASK;

            coeffs = _mm_load_ps(&Coeffs[i+1][0]);
            vals = _mm_load_ps(&Values[o2][0]);
            imp1 = _mm_mul_ps(lrlr, coeffs);
            imp0 = _mm_shuffle_ps(imp0, imp1, _MM_SHUFFLE(1, 0, 3, 2));
            vals = _mm_add_ps(imp0, vals);
            _mm_store_ps(&Values[o2][0], vals);
            imp0 = imp1;
        }
        vals = _mm_loadl_pi(vals, (__m64*)&Values[o1][0]);
        imp0 = _mm_movehl_ps(imp0, imp0);
        vals = _mm_add_ps(imp0, vals);
        _mm_storel_pi((__m64*)&Values[o1][0], vals);
    }
    else
    {
        for(i = 0;i < IrSize;i += 2)
        {
            const ALuint o = (Offset + i)&HRIR_MASK;

            coeffs = _mm_load_ps(&Coeffs[i][0]);
            vals = _mm_load_ps(&Values[o][0]);
            vals = _mm_add_ps(vals, _mm_mul_ps(lrlr, coeffs));
            _mm_store_ps(&Values[o][0], vals);
        }
    }
}

#define SUFFIX SSE
#include "mixer_inc.c"
#undef SUFFIX


void MixDirect_SSE(const DirectParams *params, const ALfloat *restrict data, ALuint srcchan,
  ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
{
    ALfloat (*restrict OutBuffer)[BUFFERSIZE] = params->OutBuffer;
    ALfloat *restrict ClickRemoval = params->ClickRemoval;
    ALfloat *restrict PendingClicks = params->PendingClicks;
    ALfloat DrySend;
    __m128 gain;
    ALuint pos;
    ALuint c;

    for(c = 0;c < MaxChannels;c++)
    {
        DrySend = params->Gains[srcchan][c];
        if(!(DrySend > GAIN_SILENCE_THRESHOLD))
            continue;

        if(OutPos == 0)
            ClickRemoval[c] -= data[0]*DrySend;

        gain = _mm_set1_ps(DrySend);
        for(pos = 0;BufferSize-pos > 3;pos += 4)
        {
            const __m128 val4 = _mm_load_ps(&data[pos]);
            __m128 dry4 = _mm_load_ps(&OutBuffer[c][OutPos+pos]);
            dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain));
            _mm_store_ps(&OutBuffer[c][OutPos+pos], dry4);
        }
        for(;pos < BufferSize;pos++)
            OutBuffer[c][OutPos+pos] += data[pos]*DrySend;

        if(OutPos+pos == SamplesToDo)
            PendingClicks[c] += data[pos]*DrySend;
    }
}


void MixSend_SSE(const SendParams *params, const ALfloat *restrict data,
  ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
{
    ALfloat (*restrict OutBuffer)[BUFFERSIZE] = params->OutBuffer;
    ALfloat *restrict ClickRemoval = params->ClickRemoval;
    ALfloat *restrict PendingClicks = params->PendingClicks;
    ALfloat WetGain;
    __m128 gain;
    ALuint pos;

    WetGain = params->Gain;
    if(!(WetGain > GAIN_SILENCE_THRESHOLD))
        return;

    if(OutPos == 0)
        ClickRemoval[0] -= data[0] * WetGain;

    gain = _mm_set1_ps(WetGain);
    for(pos = 0;BufferSize-pos > 3;pos += 4)
    {
        const __m128 val4 = _mm_load_ps(&data[pos]);
        __m128 wet4 = _mm_load_ps(&OutBuffer[0][OutPos+pos]);
        wet4 = _mm_add_ps(wet4, _mm_mul_ps(val4, gain));
        _mm_store_ps(&OutBuffer[0][OutPos+pos], wet4);
    }
    for(;pos < BufferSize;pos++)
        OutBuffer[0][OutPos+pos] += data[pos] * WetGain;

    if(OutPos+pos == SamplesToDo)
        PendingClicks[0] += data[pos] * WetGain;
}