AuroraOpenALSoft/Alc/mixer_sse.c
2012-08-15 01:01:55 -07:00

49 lines
1.3 KiB
C

#include "config.h"
#ifdef HAVE_XMMINTRIN_H
#include <xmmintrin.h>
#endif
#include "AL/al.h"
#include "AL/alc.h"
#include "alMain.h"
#include "alu.h"
static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
ALfloat (*RESTRICT Coeffs)[2],
ALfloat left, ALfloat right)
{
const __m128 lrlr = { left, right, left, right };
ALuint c;
for(c = 0;c < HRIR_LENGTH;c += 2)
{
const ALuint o0 = (Offset++)&HRIR_MASK;
const ALuint o1 = (Offset++)&HRIR_MASK;
__m128 vals = { 0.0f, 0.0f, 0.0f, 0.0f };
__m128 coeffs = { 0.0f, 0.0f, 0.0f, 0.0f };
vals = _mm_loadl_pi(vals, (__m64*)&Values[o0][0]);
vals = _mm_loadh_pi(vals, (__m64*)&Values[o1][0]);
coeffs = _mm_loadl_pi(coeffs, (__m64*)&Coeffs[c ][0]);
coeffs = _mm_loadh_pi(coeffs, (__m64*)&Coeffs[c+1][0]);
vals = _mm_add_ps(vals, _mm_mul_ps(coeffs, lrlr));
_mm_storel_pi((__m64*)&Values[o0][0], vals);
_mm_storeh_pi((__m64*)&Values[o1][0], vals);
}
}
#define SUFFIX SSE
#define SAMPLER point32
#include "mixer_inc.c"
#undef SAMPLER
#define SAMPLER lerp32
#include "mixer_inc.c"
#undef SAMPLER
#define SAMPLER cubic32
#include "mixer_inc.c"
#undef SAMPLER
#undef SUFFIX