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authorChris Robinson <[email protected]>2012-08-15 08:19:04 -0700
committerChris Robinson <[email protected]>2012-08-15 08:19:04 -0700
commit0bca771a88f83e77cd6a5eb04757125b4fa5dc6c (patch)
tree5d38eb665129c0b708e1b61634922b54a96d05fb /Alc/mixer_c.c
parentf4ff63e2715b28e8ed1fd54e48e3ee6077f1689d (diff)
Apply HRTF mixer coefficients with stepping using SSE
Diffstat (limited to 'Alc/mixer_c.c')
-rw-r--r--Alc/mixer_c.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/Alc/mixer_c.c b/Alc/mixer_c.c
index f59b3190..eeb75bf4 100644
--- a/Alc/mixer_c.c
+++ b/Alc/mixer_c.c
@@ -6,6 +6,22 @@
#include "alu.h"
+static __inline void ApplyCoeffsStep(ALuint Offset, ALfloat (*RESTRICT Values)[2],
+ ALfloat (*RESTRICT Coeffs)[2],
+ ALfloat (*RESTRICT CoeffStep)[2],
+ ALfloat left, ALfloat right)
+{
+ ALuint c;
+ for(c = 0;c < HRIR_LENGTH;c++)
+ {
+ const ALuint off = (Offset+c)&HRIR_MASK;
+ Values[off][0] += Coeffs[c][0] * left;
+ Values[off][1] += Coeffs[c][1] * right;
+ Coeffs[c][0] += CoeffStep[c][0];
+ Coeffs[c][1] += CoeffStep[c][1];
+ }
+}
+
static __inline void ApplyCoeffs(ALuint Offset, ALfloat (*RESTRICT Values)[2],
ALfloat (*RESTRICT Coeffs)[2],
ALfloat left, ALfloat right)