diff options
Diffstat (limited to 'Alc/mixer.c')
| -rw-r--r-- | Alc/mixer.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Alc/mixer.c b/Alc/mixer.c index ae049ac8..a11b44dd 100644 --- a/Alc/mixer.c +++ b/Alc/mixer.c @@ -40,6 +40,23 @@ extern inline void InitiatePositionArrays(ALuint frac, ALuint increment, ALuint *frac_arr, ALuint *pos_arr, ALuint size); +alignas(16) ALfloat CubicLUT[FRACTIONONE][4]; + + +void aluInitResamplers(void) +{ + ALuint i; + for(i = 0;i < FRACTIONONE;i++) + { + ALfloat mu = (ALfloat)i / FRACTIONONE; + ALfloat mu2 = mu*mu, mu3 = mu*mu*mu; + CubicLUT[i][0] = -0.5f*mu3 + mu2 + -0.5f*mu; + CubicLUT[i][1] = 1.5f*mu3 + -2.5f*mu2 + 1.0f; + CubicLUT[i][2] = -1.5f*mu3 + 2.0f*mu2 + 0.5f*mu; + CubicLUT[i][3] = 0.5f*mu3 + -0.5f*mu2; + } +} + static inline HrtfMixerFunc SelectHrtfMixer(void) { |