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-rw-r--r--Alc/mixer_sse.c120
1 files changed, 40 insertions, 80 deletions
diff --git a/Alc/mixer_sse.c b/Alc/mixer_sse.c
index 3c45fd21..719ebd23 100644
--- a/Alc/mixer_sse.c
+++ b/Alc/mixer_sse.c
@@ -1,6 +1,13 @@
#include "config.h"
#ifdef HAVE_XMMINTRIN_H
+#ifdef IN_IDE_PARSER
+/* KDevelop's parser won't recognize these defines that get added by the -msse
+ * switch used to compile this source. Without them, xmmintrin.h fails to
+ * declare anything. */
+#define __MMX__
+#define __SSE__
+#endif
#include <xmmintrin.h>
#endif
@@ -14,72 +21,26 @@
#include "mixer_defs.h"
-static __inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*RESTRICT Values)[2],
- const ALuint IrSize,
- ALfloat (*RESTRICT Coeffs)[2],
- const ALfloat (*RESTRICT CoeffStep)[2],
- ALfloat left, ALfloat right)
+static inline void ApplyCoeffsStep(const ALuint IrSize,
+ ALfloat (*restrict Coeffs)[2],
+ const ALfloat (*restrict CoeffStep)[2])
{
- const __m128 lrlr = { left, right, left, right };
- __m128 coeffs, deltas, imp0, imp1;
- __m128 vals = _mm_setzero_ps();
+ __m128 coeffs, deltas;
ALuint i;
- if((Offset&1))
+ for(i = 0;i < IrSize;i += 2)
{
- 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_load_ps(&Coeffs[i][0]);
+ deltas = _mm_load_ps(&CoeffStep[i][0]);
coeffs = _mm_add_ps(coeffs, deltas);
- 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);
- }
+ _mm_store_ps(&Coeffs[i][0], coeffs);
}
}
-static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
- const ALuint IrSize,
- ALfloat (*RESTRICT Coeffs)[2],
- ALfloat left, ALfloat right)
+static inline void ApplyCoeffs(ALuint Offset, ALfloat (*restrict Values)[2],
+ const ALuint IrSize,
+ ALfloat (*restrict Coeffs)[2],
+ ALfloat left, ALfloat right)
{
const __m128 lrlr = { left, right, left, right };
__m128 vals = _mm_setzero_ps();
@@ -133,22 +94,21 @@ static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
#undef SUFFIX
-void MixDirect_SSE(const DirectParams *params, const ALfloat *RESTRICT data, ALuint srcchan,
+void MixDirect_SSE(const DirectParams *params, const ALfloat *restrict data, ALuint srcchan,
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
{
- ALfloat (*RESTRICT DryBuffer)[BUFFERSIZE] = params->OutBuffer;
- ALfloat *RESTRICT ClickRemoval = params->ClickRemoval;
- ALfloat *RESTRICT PendingClicks = params->PendingClicks;
+ ALfloat (*restrict OutBuffer)[BUFFERSIZE] = params->OutBuffer;
+ ALfloat *restrict ClickRemoval = params->ClickRemoval;
+ ALfloat *restrict PendingClicks = params->PendingClicks;
ALfloat DrySend;
+ __m128 gain;
ALuint pos;
ALuint c;
for(c = 0;c < MaxChannels;c++)
{
- __m128 gain;
-
DrySend = params->Gains[srcchan][c];
- if(DrySend < 0.00001f)
+ if(!(DrySend > GAIN_SILENCE_THRESHOLD))
continue;
if(OutPos == 0)
@@ -158,12 +118,12 @@ void MixDirect_SSE(const DirectParams *params, const ALfloat *RESTRICT data, ALu
for(pos = 0;BufferSize-pos > 3;pos += 4)
{
const __m128 val4 = _mm_load_ps(&data[pos]);
- __m128 dry4 = _mm_load_ps(&DryBuffer[c][OutPos+pos]);
+ __m128 dry4 = _mm_load_ps(&OutBuffer[c][OutPos+pos]);
dry4 = _mm_add_ps(dry4, _mm_mul_ps(val4, gain));
- _mm_store_ps(&DryBuffer[c][OutPos+pos], dry4);
+ _mm_store_ps(&OutBuffer[c][OutPos+pos], dry4);
}
for(;pos < BufferSize;pos++)
- DryBuffer[c][OutPos+pos] += data[pos]*DrySend;
+ OutBuffer[c][OutPos+pos] += data[pos]*DrySend;
if(OutPos+pos == SamplesToDo)
PendingClicks[c] += data[pos]*DrySend;
@@ -171,34 +131,34 @@ void MixDirect_SSE(const DirectParams *params, const ALfloat *RESTRICT data, ALu
}
-void MixSend_SSE(const SendParams *params, const ALfloat *RESTRICT data,
+void MixSend_SSE(const SendParams *params, const ALfloat *restrict data,
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
{
- ALeffectslot *Slot = params->Slot;
- ALfloat (*RESTRICT WetBuffer)[BUFFERSIZE] = Slot->WetBuffer;
- ALfloat *RESTRICT WetClickRemoval = Slot->ClickRemoval;
- ALfloat *RESTRICT WetPendingClicks = Slot->PendingClicks;
- const ALfloat WetGain = params->Gain;
+ ALfloat (*restrict OutBuffer)[BUFFERSIZE] = params->OutBuffer;
+ ALfloat *restrict ClickRemoval = params->ClickRemoval;
+ ALfloat *restrict PendingClicks = params->PendingClicks;
+ ALfloat WetGain;
__m128 gain;
ALuint pos;
- if(WetGain < 0.00001f)
+ WetGain = params->Gain;
+ if(!(WetGain > GAIN_SILENCE_THRESHOLD))
return;
if(OutPos == 0)
- WetClickRemoval[0] -= data[0] * WetGain;
+ ClickRemoval[0] -= data[0] * WetGain;
gain = _mm_set1_ps(WetGain);
for(pos = 0;BufferSize-pos > 3;pos += 4)
{
const __m128 val4 = _mm_load_ps(&data[pos]);
- __m128 wet4 = _mm_load_ps(&WetBuffer[0][OutPos+pos]);
+ __m128 wet4 = _mm_load_ps(&OutBuffer[0][OutPos+pos]);
wet4 = _mm_add_ps(wet4, _mm_mul_ps(val4, gain));
- _mm_store_ps(&WetBuffer[0][OutPos+pos], wet4);
+ _mm_store_ps(&OutBuffer[0][OutPos+pos], wet4);
}
for(;pos < BufferSize;pos++)
- WetBuffer[0][OutPos+pos] += data[pos] * WetGain;
+ OutBuffer[0][OutPos+pos] += data[pos] * WetGain;
if(OutPos+pos == SamplesToDo)
- WetPendingClicks[0] += data[pos] * WetGain;
+ PendingClicks[0] += data[pos] * WetGain;
}
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