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Only use CTZL in audio;

This commit is contained in:
bjorn 2021-02-24 13:54:02 -07:00
parent bff86e6add
commit 1d1a2de124
2 changed files with 8 additions and 4 deletions
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2
src/core/util.h
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@ -14,13 +14,11 @@
#define LOVR_THREAD_LOCAL __declspec(thread)
#define LOVR_ALIGN(n) __declspec(align(n))
#define LOVR_RESTRICT __restrict
#define LOVR_CTZLL _tzcnt_u64
#else
#define LOVR_NORETURN __attribute__((noreturn))
#define LOVR_THREAD_LOCAL __thread
#define LOVR_ALIGN(n) __attribute__((aligned(n)))
#define LOVR_RESTRICT restrict
#define LOVR_CTZLL __builtin_ctzll
#endif
#ifndef M_PI

10
src/modules/audio/audio.c
View File

@ -6,13 +6,19 @@
#include "lib/miniaudio/miniaudio.h"
#include <string.h>
#include <stdlib.h>
#ifdef _MSVC_VER
#include <intrin.h>
#define CTZL _tzcnt_u64
#else
#define CTZL __builtin_ctzl
#endif
static const ma_format miniaudioFormats[] = {
[SAMPLE_I16] = ma_format_s16,
[SAMPLE_F32] = ma_format_f32
};
#define FOREACH_SOURCE(s) for (uint64_t m = state.sourceMask; s = m ? state.sources[LOVR_CTZLL(m)] : NULL, m; m ^= (m & -m))
#define FOREACH_SOURCE(s) for (uint64_t m = state.sourceMask; s = m ? state.sources[CTZL(m)] : NULL, m; m ^= (m & -m))
#define OUTPUT_FORMAT SAMPLE_F32
#define OUTPUT_CHANNELS 2
#define CAPTURE_CHANNELS 1
@ -398,7 +404,7 @@ bool lovrSourcePlay(Source* source) {
// If the source isn't tracked, set its index to the right-most zero bit in the mask
if (source->index == ~0u) {
uint32_t index = state.sourceMask ? LOVR_CTZLL(~state.sourceMask) : 0;
uint32_t index = state.sourceMask ? CTZL(~state.sourceMask) : 0;
state.sourceMask |= (1ull << index);
state.sources[index] = source;
source->index = index;