Alc/mixer_sse.c

   1 #include "config.h"
   2
   3 #ifdef HAVE_XMMINTRIN_H
   4 #include <xmmintrin.h>
   5 #endif
   6
   7 #include "AL/al.h"
   8 #include "AL/alc.h"
   9 #include "alMain.h"
  10 #include "alu.h"
  11
  12 #include "alSource.h"
  13 #include "alAuxEffectSlot.h"
  14 #include "mixer_defs.h"
  15
  16
  17 static __inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*RESTRICT Values)[2],
  18                                      const ALuint IrSize,
  19                                      ALfloat (*RESTRICT Coeffs)[2],
  20                                      const ALfloat (*RESTRICT CoeffStep)[2],
  21                                      ALfloat left, ALfloat right)
  22 {
  23     const __m128 lrlr = { left, right, left, right };
  24     __m128 coeffs, deltas, imp0, imp1;
  25     __m128 vals = _mm_setzero_ps();
  26     ALuint i;
  27
  28     if((Offset&1))
  29     {
  30         const ALuint o0 = Offset&HRIR_MASK;
  31         const ALuint o1 = (Offset+IrSize-1)&HRIR_MASK;
  32
  33         coeffs = _mm_load_ps(&Coeffs[0][0]);
  34         deltas = _mm_load_ps(&CoeffStep[0][0]);
  35         vals = _mm_loadl_pi(vals, (__m64*)&Values[o0][0]);
  36         imp0 = _mm_mul_ps(lrlr, coeffs);
  37         coeffs = _mm_add_ps(coeffs, deltas);
  38         vals = _mm_add_ps(imp0, vals);
  39         _mm_store_ps(&Coeffs[0][0], coeffs);
  40         _mm_storel_pi((__m64*)&Values[o0][0], vals);
  41         for(i = 1;i < IrSize-1;i += 2)
  42         {
  43             const ALuint o2 = (Offset+i)&HRIR_MASK;
  44
  45             coeffs = _mm_load_ps(&Coeffs[i+1][0]);
  46             deltas = _mm_load_ps(&CoeffStep[i+1][0]);
  47             vals = _mm_load_ps(&Values[o2][0]);
  48             imp1 = _mm_mul_ps(lrlr, coeffs);
  49             coeffs = _mm_add_ps(coeffs, deltas);
  50             imp0 = _mm_shuffle_ps(imp0, imp1, _MM_SHUFFLE(1, 0, 3, 2));
  51             vals = _mm_add_ps(imp0, vals);
  52             _mm_store_ps(&Coeffs[i+1][0], coeffs);
  53             _mm_store_ps(&Values[o2][0], vals);
  54             imp0 = imp1;
  55         }
  56         vals = _mm_loadl_pi(vals, (__m64*)&Values[o1][0]);
  57         imp0 = _mm_movehl_ps(imp0, imp0);
  58         vals = _mm_add_ps(imp0, vals);
  59         _mm_storel_pi((__m64*)&Values[o1][0], vals);
  60     }
  61     else
  62     {
  63         for(i = 0;i < IrSize;i += 2)
  64         {
  65             const ALuint o = (Offset + i)&HRIR_MASK;
  66
  67             coeffs = _mm_load_ps(&Coeffs[i][0]);
  68             deltas = _mm_load_ps(&CoeffStep[i][0]);
  69             vals = _mm_load_ps(&Values[o][0]);
  70             imp0 = _mm_mul_ps(lrlr, coeffs);
  71             coeffs = _mm_add_ps(coeffs, deltas);
  72             vals = _mm_add_ps(imp0, vals);
  73             _mm_store_ps(&Coeffs[i][0], coeffs);
  74             _mm_store_ps(&Values[o][0], vals);
  75         }
  76     }
  77 }
  78
  79 static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
  80                                  const ALuint IrSize,
  81                                  ALfloat (*RESTRICT Coeffs)[2],
  82                                  ALfloat left, ALfloat right)
  83 {
  84     const __m128 lrlr = { left, right, left, right };
  85     __m128 vals = _mm_setzero_ps();
  86     __m128 coeffs;
  87     ALuint i;
  88
  89     if((Offset&1))
  90     {
  91         const ALuint o0 = Offset&HRIR_MASK;
  92         const ALuint o1 = (Offset+IrSize-1)&HRIR_MASK;
  93         __m128 imp0, imp1;
  94
  95         coeffs = _mm_load_ps(&Coeffs[0][0]);
  96         vals = _mm_loadl_pi(vals, (__m64*)&Values[o0][0]);
  97         imp0 = _mm_mul_ps(lrlr, coeffs);
  98         vals = _mm_add_ps(imp0, vals);
  99         _mm_storel_pi((__m64*)&Values[o0][0], vals);
 100         for(i = 1;i < IrSize-1;i += 2)
 101         {
 102             const ALuint o2 = (Offset+i)&HRIR_MASK;
 103
 104             coeffs = _mm_load_ps(&Coeffs[i+1][0]);
 105             vals = _mm_load_ps(&Values[o2][0]);
 106             imp1 = _mm_mul_ps(lrlr, coeffs);
 107             imp0 = _mm_shuffle_ps(imp0, imp1, _MM_SHUFFLE(1, 0, 3, 2));
 108             vals = _mm_add_ps(imp0, vals);
 109             _mm_store_ps(&Values[o2][0], vals);
 110             imp0 = imp1;
 111         }
 112         vals = _mm_loadl_pi(vals, (__m64*)&Values[o1][0]);
 113         imp0 = _mm_movehl_ps(imp0, imp0);
 114         vals = _mm_add_ps(imp0, vals);
 115         _mm_storel_pi((__m64*)&Values[o1][0], vals);
 116     }
 117     else
 118     {
 119         for(i = 0;i < IrSize;i += 2)
 120         {
 121             const ALuint o = (Offset + i)&HRIR_MASK;
 122
 123             coeffs = _mm_load_ps(&Coeffs[i][0]);
 124             vals = _mm_load_ps(&Values[o][0]);
 125             vals = _mm_add_ps(vals, _mm_mul_ps(lrlr, coeffs));
 126             _mm_store_ps(&Values[o][0], vals);
 127         }
 128     }
 129 }
 130
 131 #define SUFFIX SSE
 132 #include "mixer_inc.c"
 133 #undef SUFFIX
 134
 135
 136 void MixDirect_SSE(const DirectParams *params, const ALfloat *RESTRICT data, ALuint srcchan,
 137   ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
 138 {
 139     ALfloat (*RESTRICT DryBuffer)[BUFFERSIZE] = params->OutBuffer;
 140     ALfloat *RESTRICT ClickRemoval = params->ClickRemoval;
 141     ALfloat *RESTRICT PendingClicks = params->PendingClicks;
 142     ALfloat DrySend;
 143     ALuint pos;
 144     ALuint c;
 145
 146     for(c = 0;c < MaxChannels;c++)
 147     {
 148         __m128 gain;
 149
 150         DrySend = params->Gains[srcchan][c];
 151         if(DrySend < 0.00001f)
 152             continue;
 153
 154         if(OutPos == 0)
 155             ClickRemoval[c] -= data[0]*DrySend;
 156
 157         gain = _mm_set1_ps(DrySend);
 158         for(pos = 0;pos < BufferSize-3;pos += 4)
 159         {
 160             const __m128 val4 = _mm_load_ps(&data[pos]);
 161             __m128 dry4 = _mm_load_ps(&DryBuffer[c][OutPos+pos]);
 162             dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain));
 163             _mm_store_ps(&DryBuffer[c][OutPos+pos], dry4);
 164         }
 165         for(;pos < BufferSize;pos++)
 166             DryBuffer[c][OutPos+pos] += data[pos]*DrySend;
 167
 168         if(OutPos+pos == SamplesToDo)
 169             PendingClicks[c] += data[pos]*DrySend;
 170     }
 171 }
 172
 173
 174 void MixSend_SSE(const SendParams *params, const ALfloat *RESTRICT data,
 175   ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
 176 {
 177     ALeffectslot *Slot = params->Slot;
 178     ALfloat (*RESTRICT WetBuffer)[BUFFERSIZE] = Slot->WetBuffer;
 179     ALfloat *RESTRICT WetClickRemoval = Slot->ClickRemoval;
 180     ALfloat *RESTRICT WetPendingClicks = Slot->PendingClicks;
 181     const ALfloat WetGain = params->Gain;
 182     __m128 gain;
 183     ALuint pos;
 184
 185     if(WetGain < 0.00001f)
 186         return;
 187
 188     if(OutPos == 0)
 189         WetClickRemoval[0] -= data[0] * WetGain;
 190
 191     gain = _mm_set1_ps(WetGain);
 192     for(pos = 0;pos < BufferSize-3;pos+=4)
 193     {
 194         const __m128 val4 = _mm_load_ps(&data[pos]);
 195         __m128 wet4 = _mm_load_ps(&WetBuffer[0][OutPos+pos]);
 196         wet4 = _mm_add_ps(wet4, _mm_mul_ps(val4, gain));
 197         _mm_store_ps(&WetBuffer[0][OutPos+pos], wet4);
 198     }
 199     for(;pos < BufferSize;pos++)
 200         WetBuffer[0][OutPos+pos] += data[pos] * WetGain;
 201
 202     if(OutPos+pos == SamplesToDo)
 203         WetPendingClicks[0] += data[pos] * WetGain;
 204 }