diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/ALu.c | 8 | ||||
| -rw-r--r-- | Alc/mixer_defs.h | 4 | ||||
| -rw-r--r-- | Alc/mixer_sse.c | 92 |
3 files changed, 0 insertions, 104 deletions
@@ -60,16 +60,8 @@ static ResamplerFunc SelectResampler(enum Resampler Resampler, ALuint increment) case PointResampler: return Resample_point32_C; case LinearResampler: -#ifdef HAVE_SSE - if((CPUCapFlags&CPU_CAP_SSE)) - return Resample_lerp32_SSE; -#endif return Resample_lerp32_C; case CubicResampler: -#ifdef HAVE_SSE - if((CPUCapFlags&CPU_CAP_SSE)) - return Resample_cubic32_SSE; -#endif return Resample_cubic32_C; case ResamplerMax: /* Shouldn't happen */ diff --git a/Alc/mixer_defs.h b/Alc/mixer_defs.h index d9fda9be..caebbcc5 100644 --- a/Alc/mixer_defs.h +++ b/Alc/mixer_defs.h @@ -15,10 +15,6 @@ void Resample_point32_C(const ALfloat *src, ALuint frac, ALuint increment, ALuin void Resample_lerp32_C(const ALfloat *src, ALuint frac, ALuint increment, ALuint NumChannels, ALfloat *RESTRICT dst, ALuint dstlen); void Resample_cubic32_C(const ALfloat *src, ALuint frac, ALuint increment, ALuint NumChannels, ALfloat *RESTRICT dst, ALuint dstlen); -/* SSE resamplers */ -void Resample_lerp32_SSE(const ALfloat *src, ALuint frac, ALuint increment, ALuint NumChannels, ALfloat *RESTRICT dst, ALuint dstlen); -void Resample_cubic32_SSE(const ALfloat *src, ALuint frac, ALuint increment, ALuint NumChannels, ALfloat *RESTRICT dst, ALuint dstlen); - /* C mixers */ void MixDirect_Hrtf_C(struct ALsource*,ALCdevice*,struct DirectParams*,const ALfloat*RESTRICT,ALuint,ALuint,ALuint,ALuint); diff --git a/Alc/mixer_sse.c b/Alc/mixer_sse.c index 22a7db40..d366ca8a 100644 --- a/Alc/mixer_sse.c +++ b/Alc/mixer_sse.c @@ -13,98 +13,6 @@ #include "alAuxEffectSlot.h" #include "mixer_defs.h" -static __inline ALfloat lerp32(const ALfloat *vals, ALint step, ALuint frac) -{ return lerp(vals[0], vals[step], frac * (1.0f/FRACTIONONE)); } - -void Resample_lerp32_SSE(const ALfloat *data, ALuint frac, - ALuint increment, ALuint NumChannels, ALfloat *RESTRICT OutBuffer, - ALuint BufferSize) -{ - ALIGN(16) float value[3][4]; - ALuint pos = 0; - ALuint i, j; - - for(i = 0;i < BufferSize+1-3;i+=4) - { - __m128 x, y, a; - for(j = 0;j < 4;j++) - { - value[0][j] = data[(pos )*NumChannels]; - value[1][j] = data[(pos+1)*NumChannels]; - value[2][j] = frac * (1.0f/FRACTIONONE); - - frac += increment; - pos += frac>>FRACTIONBITS; - frac &= FRACTIONMASK; - } - - x = _mm_load_ps(value[0]); - y = _mm_load_ps(value[1]); - y = _mm_sub_ps(y, x); - - a = _mm_load_ps(value[2]); - y = _mm_mul_ps(y, a); - - x = _mm_add_ps(x, y); - - _mm_store_ps(&OutBuffer[i], x); - } - for(;i < BufferSize+1;i++) - { - OutBuffer[i] = lerp32(data + pos*NumChannels, NumChannels, frac); - - frac += increment; - pos += frac>>FRACTIONBITS; - frac &= FRACTIONMASK; - } -} - -void Resample_cubic32_SSE(const ALfloat *data, ALuint frac, - ALuint increment, ALuint channels, ALfloat *RESTRICT OutBuffer, - ALuint BufferSize) -{ - /* Cubic interpolation mainly consists of a matrix4 * vector4 operation, - * followed by scalars being applied to the resulting elements before all - * four are added together for the final sample. */ - static const __m128 matrix[4] = { - { -0.5f, 1.0f, -0.5f, 0.0f }, - { 1.5f, -2.5f, 0.0f, 1.0f }, - { -1.5f, 2.0f, 0.5f, 0.0f }, - { 0.5f, -0.5f, 0.0f, 0.0f }, - }; - ALIGN(16) float value[4]; - ALuint pos = 0; - ALuint i; - - for(i = 0;i < BufferSize+1;i++) - { - __m128 res1, res2; - ALfloat mu; - - /* matrix * { samples } */ - res1 = _mm_add_ps(_mm_mul_ps(_mm_set1_ps(data[(pos-1)*channels]), matrix[0]), - _mm_mul_ps(_mm_set1_ps(data[(pos )*channels]), matrix[1])); - res2 = _mm_add_ps(_mm_mul_ps(_mm_set1_ps(data[(pos+1)*channels]), matrix[2]), - _mm_mul_ps(_mm_set1_ps(data[(pos+2)*channels]), matrix[3])); - res1 = _mm_add_ps(res1, res2); - - /* res1 * { mu^3, mu^2, mu^1, mu^0 } */ - mu = frac * (1.0f/FRACTIONONE); - value[0] = mu*mu*mu; - value[1] = mu*mu; - value[2] = mu; - value[3] = 1.0f; - res1 = _mm_mul_ps(res1, _mm_load_ps(value)); - - _mm_store_ps(value, res1); - OutBuffer[i] = value[0] + value[1] + value[2] + value[3]; - - frac += increment; - pos += frac>>FRACTIONBITS; - frac &= FRACTIONMASK; - } -} - static __inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*RESTRICT Values)[2], const ALuint IrSize, |