diff options
Diffstat (limited to 'Alc/mixer_sse.c')
| -rw-r--r-- | Alc/mixer_sse.c | 60 |
1 files changed, 53 insertions, 7 deletions
diff --git a/Alc/mixer_sse.c b/Alc/mixer_sse.c index 719ebd23..56a4bdae 100644 --- a/Alc/mixer_sse.c +++ b/Alc/mixer_sse.c @@ -21,19 +21,65 @@ #include "mixer_defs.h" -static inline void ApplyCoeffsStep(const ALuint IrSize, +static inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*restrict Values)[2], + const ALuint IrSize, ALfloat (*restrict Coeffs)[2], - const ALfloat (*restrict CoeffStep)[2]) + const ALfloat (*restrict CoeffStep)[2], + ALfloat left, ALfloat right) { - __m128 coeffs, deltas; + const __m128 lrlr = { left, right, left, right }; + __m128 coeffs, deltas, imp0, imp1; + __m128 vals = _mm_setzero_ps(); ALuint i; - for(i = 0;i < IrSize;i += 2) + if((Offset&1)) { - coeffs = _mm_load_ps(&Coeffs[i][0]); - deltas = _mm_load_ps(&CoeffStep[i][0]); + const ALuint o0 = Offset&HRIR_MASK; + const ALuint o1 = (Offset+IrSize-1)&HRIR_MASK; + + coeffs = _mm_load_ps(&Coeffs[0][0]); + deltas = _mm_load_ps(&CoeffStep[0][0]); + vals = _mm_loadl_pi(vals, (__m64*)&Values[o0][0]); + imp0 = _mm_mul_ps(lrlr, coeffs); coeffs = _mm_add_ps(coeffs, deltas); - _mm_store_ps(&Coeffs[i][0], coeffs); + vals = _mm_add_ps(imp0, vals); + _mm_store_ps(&Coeffs[0][0], coeffs); + _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]); + deltas = _mm_load_ps(&CoeffStep[i+1][0]); + vals = _mm_load_ps(&Values[o2][0]); + imp1 = _mm_mul_ps(lrlr, coeffs); + coeffs = _mm_add_ps(coeffs, deltas); + imp0 = _mm_shuffle_ps(imp0, imp1, _MM_SHUFFLE(1, 0, 3, 2)); + vals = _mm_add_ps(imp0, vals); + _mm_store_ps(&Coeffs[i+1][0], coeffs); + _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]); + deltas = _mm_load_ps(&CoeffStep[i][0]); + vals = _mm_load_ps(&Values[o][0]); + imp0 = _mm_mul_ps(lrlr, coeffs); + coeffs = _mm_add_ps(coeffs, deltas); + vals = _mm_add_ps(imp0, vals); + _mm_store_ps(&Coeffs[i][0], coeffs); + _mm_store_ps(&Values[o][0], vals); + } } } |