Alc/mixer_c.c

   1 #include "config.h"
   2
   3 #include "AL/al.h"
   4 #include "AL/alc.h"
   5 #include "alMain.h"
   6 #include "alu.h"
   7
   8
   9 static __inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*RESTRICT Values)[2],
  10                                      ALfloat (*RESTRICT Coeffs)[2],
  11                                      ALfloat (*RESTRICT CoeffStep)[2],
  12                                      ALfloat left, ALfloat right)
  13 {
  14     ALuint c;
  15     for(c = 0;c < HRIR_LENGTH;c++)
  16     {
  17         const ALuint off = (Offset+c)&HRIR_MASK;
  18         Values[off][0] += Coeffs[c][0] * left;
  19         Values[off][1] += Coeffs[c][1] * right;
  20         Coeffs[c][0] += CoeffStep[c][0];
  21         Coeffs[c][1] += CoeffStep[c][1];
  22     }
  23 }
  24
  25 static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
  26                                  ALfloat (*RESTRICT Coeffs)[2],
  27                                  ALfloat left, ALfloat right)
  28 {
  29     ALuint c;
  30     for(c = 0;c < HRIR_LENGTH;c++)
  31     {
  32         const ALuint off = (Offset+c)&HRIR_MASK;
  33         Values[off][0] += Coeffs[c][0] * left;
  34         Values[off][1] += Coeffs[c][1] * right;
  35     }
  36 }
  37
  38
  39 static __inline void ApplyValue(ALfloat *RESTRICT Output, ALfloat value, const ALfloat *DrySend)
  40 {
  41     ALuint c;
  42     for(c = 0;c < MaxChannels;c++)
  43         Output[c] += value*DrySend[c];
  44 }
  45
  46
  47 #define SUFFIX C
  48 #define Sampler point32
  49 #include "mixer_inc.c"
  50 #undef Sampler
  51 #define Sampler lerp32
  52 #include "mixer_inc.c"
  53 #undef Sampler
  54 #define Sampler cubic32
  55 #include "mixer_inc.c"
  56 #undef Sampler
  57 #undef SUFFIX