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/*
* Copyright (c) 2023 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdlib.h>
#include <string.h>
#include "vpx_config.h"
#include "vpx_ports/arm.h"
#if defined(_WIN32)
#undef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#undef WIN32_EXTRA_LEAN
#define WIN32_EXTRA_LEAN
#include <windows.h>
#endif
#ifdef WINAPI_FAMILY
#include <winapifamily.h>
#if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
#define getenv(x) NULL
#endif
#endif
#if defined(__ANDROID__) && (__ANDROID_API__ < 18)
#define ANDROID_USE_CPU_FEATURES_LIB 1
// Use getauxval() when targeting (64-bit) Android with API level >= 18.
// getauxval() is supported since Android API level 18 (Android 4.3.)
// First Android version with 64-bit support was Android 5.x (API level 21).
#include <cpu-features.h>
#endif
static INLINE int arm_cpu_env_flags(int *flags) {
const char *env = getenv("VPX_SIMD_CAPS");
if (env && *env) {
*flags = (int)strtol(env, NULL, 0);
return 1;
}
return 0;
}
static INLINE int arm_cpu_env_mask(void) {
const char *env = getenv("VPX_SIMD_CAPS_MASK");
return env && *env ? (int)strtol(env, NULL, 0) : ~0;
}