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-rw-r--r--Alc/mixer_c.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/Alc/mixer_c.c b/Alc/mixer_c.c
index caedd339..0fdcc087 100644
--- a/Alc/mixer_c.c
+++ b/Alc/mixer_c.c
@@ -59,6 +59,23 @@ void ALfilterState_processC(ALfilterState *filter, ALfloat *restrict dst, const
}
+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)
+{
+ ALuint c;
+ for(c = 0;c < IrSize;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],
const ALuint IrSize,
ALfloat (*restrict Coeffs)[2],