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(sinc_resampler.c) Do away with function pointer

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This commit is contained in:
twinaphex 2017-01-30 18:45:37 +01:00
parent cdb45a38d3
commit 73acd4aa0f
1 changed files with 12 additions and 22 deletions
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34
libretro-common/audio/resampler/drivers/sinc_resampler.c
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@ -131,31 +131,14 @@ typedef struct rarch_sinc_resampler
* are created in a single calloc().
* Ensure that we get as good cache locality as we can hope for. */
float *main_buffer;
bool neon_enabled;
} rarch_sinc_resampler_t;
#if defined(__ARM_NEON__) && !defined(SINC_COEFF_LERP)
/* Need to make this function pointer as Android doesn't
* have built-in targets for NEON and plain ARMv7a.
*/
static void (*process_sinc_func)(rarch_sinc_resampler_t *resamp,
float *out_buffer);
/* Assumes that taps >= 8, and that taps is a multiple of 8. */
void process_sinc_neon_asm(float *out, const float *left,
const float *right, const float *coeff, unsigned taps);
static void process_sinc_neon(rarch_sinc_resampler_t *resamp,
float *out_buffer)
{
const float *buffer_l = resamp->buffer_l + resamp->ptr;
const float *buffer_r = resamp->buffer_r + resamp->ptr;
unsigned phase = resamp->time >> SUBPHASE_BITS;
unsigned taps = resamp->taps;
const float *phase_table = resamp->phase_table + phase * taps;
process_sinc_neon_asm(out_buffer, buffer_l, buffer_r, phase_table, taps);
}
#endif
static void resampler_sinc_process(void *re_, struct resampler_data *data)
@ -298,9 +281,16 @@ static void resampler_sinc_process(void *re_, struct resampler_data *data)
/* movehl { X, R, X, L } == { X, R, X, R } */
_mm_store_ss(output + 1, _mm_movehl_ps(sum, sum));
#elif defined(__ARM_NEON__)
if (process_sinc_func)
if (resamp->neon_enabled)
{
process_sinc_func(resamp, output);
const float *buffer_l = resamp->buffer_l + resamp->ptr;
const float *buffer_r = resamp->buffer_r + resamp->ptr;
unsigned phase = resamp->time >> SUBPHASE_BITS;
unsigned taps = resamp->taps;
const float *phase_table = resamp->phase_table + phase * taps;
process_sinc_neon_asm(output, buffer_l, buffer_r, phase_table, taps);
output += 2;
out_frames++;
@ -466,7 +456,7 @@ static void *resampler_sinc_new(const struct resampler_config *config,
#if defined(__ARM_NEON__)
if (mask & RESAMPLER_SIMD_NEON)
process_sinc_func = process_sinc_neon;
re->neon_enabled = true;
#endif
return re;