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// Copyright 2023 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
#include <assert.h>
#include <stddef.h>
#ifdef _WIN32
#include <windows.h>
#else
#include <pthread.h>
#endif
#include <xnnpack/common.h>
#include <xnnpack/config.h>
#include <xnnpack/microparams-init.h>
#include <xnnpack/lut.h>
static struct xnn_lut32norm_config u8_lut32norm_config = {0};
#if XNN_PLATFORM_WINDOWS
static INIT_ONCE init_guard_u8_lut32norm = INIT_ONCE_STATIC_INIT;
#else
static pthread_once_t init_guard_u8_lut32norm = PTHREAD_ONCE_INIT;
#endif
static void init_u8_lut32norm_config(void) {
#if XNN_ARCH_ARM
const struct xnn_hardware_config* hardware_config = xnn_init_hardware_config();
assert(hardware_config != NULL);
if (hardware_config->use_arm_neon) {
u8_lut32norm_config.lut32norm = xnn_u8_lut32norm_ukernel__scalar;
} else if (!XNN_PLATFORM_MOBILE) {
u8_lut32norm_config.lut32norm = xnn_u8_lut32norm_ukernel__scalar;
}
#elif XNN_ARCH_ARM64
u8_lut32norm_config.lut32norm = xnn_u8_lut32norm_ukernel__scalar;
#elif XNN_ARCH_X86 || XNN_ARCH_X86_64
u8_lut32norm_config.lut32norm = xnn_u8_lut32norm_ukernel__scalar;
#elif XNN_ARCH_WASMSIMD || XNN_ARCH_WASMRELAXEDSIMD
u8_lut32norm_config.lut32norm = xnn_u8_lut32norm_ukernel__scalar;
#elif XNN_ARCH_WASM
u8_lut32norm_config.lut32norm = xnn_u8_lut32norm_ukernel__scalar;
#elif XNN_ARCH_RISCV
u8_lut32norm_config.lut32norm = xnn_u8_lut32norm_ukernel__scalar;
#endif
}
#if XNN_PLATFORM_WINDOWS
static BOOL CALLBACK init_u8_lut32norm_config_windows(PINIT_ONCE init_once, PVOID parameter, PVOID* context) {
init_u8_lut32norm_config();
return TRUE;
}
#endif
const struct xnn_lut32norm_config* xnn_init_u8_lut32norm_config() {
const struct xnn_hardware_config* hardware_config = xnn_init_hardware_config();
if (hardware_config == NULL) {
return NULL;
}
#if XNN_PLATFORM_WINDOWS
InitOnceExecuteOnce(&init_guard_u8_lut32norm, &init_u8_lut32norm_config_windows, NULL, NULL);
#else
pthread_once(&init_guard_u8_lut32norm, &init_u8_lut32norm_config);
#endif
return &u8_lut32norm_config;
}
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