aboutsummaryrefslogtreecommitdiffstats
path: root/Alc/mixer_neon.c
diff options
context:
space:
mode:
authorChris Robinson <[email protected]>2012-08-15 01:01:55 -0700
committerChris Robinson <[email protected]>2012-08-15 01:01:55 -0700
commit3b87e29e63915000addb1e37994b30d167fcfb82 (patch)
tree65838f5de322303fae01f1371bcb10e801d69420 /Alc/mixer_neon.c
parente9a20cb985c5686fd2777540dbbd2a13c9525ee0 (diff)
Move mixers into separate source files
Diffstat (limited to 'Alc/mixer_neon.c')
-rw-r--r--Alc/mixer_neon.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/Alc/mixer_neon.c b/Alc/mixer_neon.c
new file mode 100644
index 00000000..10385e69
--- /dev/null
+++ b/Alc/mixer_neon.c
@@ -0,0 +1,50 @@
+#include "config.h"
+
+#ifdef HAVE_ARM_NEON_H
+#include <arm_neon.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)
+{
+ ALuint c;
+ float32x4_t leftright4;
+ {
+ float32x2_t leftright2 = vdup_n_f32(0.0);
+ leftright2 = vset_lane_f32(left, leftright2, 0);
+ leftright2 = vset_lane_f32(right, leftright2, 1);
+ leftright4 = vcombine_f32(leftright2, leftright2);
+ }
+ for(c = 0;c < HRIR_LENGTH;c += 2)
+ {
+ const ALuint o0 = (Offset+c)&HRIR_MASK;
+ const ALuint o1 = (o0+1)&HRIR_MASK;
+ float32x4_t vals = vcombine_f32(vld1_f32((float32_t*)&Values[o0][0]),
+ vld1_f32((float32_t*)&Values[o1][0]));
+ float32x4_t coefs = vld1q_f32((float32_t*)&Coeffs[c][0]);
+
+ vals = vmlaq_f32(vals, coefs, leftright4);
+
+ vst1_f32((float32_t*)&Values[o0][0], vget_low_f32(vals));
+ vst1_f32((float32_t*)&Values[o1][0], vget_high_f32(vals));
+ }
+}
+
+#define SUFFIX Neon
+#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