1/* 2 * Copyright 2013 The LibYuv Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#ifndef INCLUDE_LIBYUV_COMPARE_ROW_H_ // NOLINT 12#define INCLUDE_LIBYUV_COMPARE_ROW_H_ 13 14#include "libyuv/basic_types.h" 15 16#ifdef __cplusplus 17namespace libyuv { 18extern "C" { 19#endif 20 21#if defined(__pnacl__) || defined(__CLR_VER) || \ 22 (defined(__i386__) && !defined(__SSE2__)) 23#define LIBYUV_DISABLE_X86 24#endif 25// MemorySanitizer does not support assembly code yet. http://crbug.com/344505 26#if defined(__has_feature) 27#if __has_feature(memory_sanitizer) 28#define LIBYUV_DISABLE_X86 29#endif 30#endif 31 32// Visual C 2012 required for AVX2. 33#if defined(_M_IX86) && !defined(__clang__) && \ 34 defined(_MSC_VER) && _MSC_VER >= 1700 35#define VISUALC_HAS_AVX2 1 36#endif // VisualStudio >= 2012 37 38// clang >= 3.4.0 required for AVX2. 39#if defined(__clang__) && (defined(__x86_64__) || defined(__i386__)) 40#if (__clang_major__ > 3) || (__clang_major__ == 3 && (__clang_minor__ >= 4)) 41#define CLANG_HAS_AVX2 1 42#endif // clang >= 3.4 43#endif // __clang__ 44 45#if !defined(LIBYUV_DISABLE_X86) && \ 46 defined(_M_IX86) && (defined(VISUALC_HAS_AVX2) || defined(CLANG_HAS_AVX2)) 47#define HAS_HASHDJB2_AVX2 48#endif 49 50// The following are available for Visual C and GCC: 51#if !defined(LIBYUV_DISABLE_X86) && \ 52 (defined(__x86_64__) || (defined(__i386__) || defined(_M_IX86))) 53#define HAS_HASHDJB2_SSE41 54#define HAS_SUMSQUAREERROR_SSE2 55#endif 56 57// The following are available for Visual C and clangcl 32 bit: 58#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && \ 59 (defined(VISUALC_HAS_AVX2) || defined(CLANG_HAS_AVX2)) 60#define HAS_HASHDJB2_AVX2 61#define HAS_SUMSQUAREERROR_AVX2 62#endif 63 64// The following are available for Neon: 65#if !defined(LIBYUV_DISABLE_NEON) && \ 66 (defined(__ARM_NEON__) || defined(LIBYUV_NEON) || defined(__aarch64__)) 67#define HAS_SUMSQUAREERROR_NEON 68#endif 69 70uint32 SumSquareError_C(const uint8* src_a, const uint8* src_b, int count); 71uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* src_b, int count); 72uint32 SumSquareError_AVX2(const uint8* src_a, const uint8* src_b, int count); 73uint32 SumSquareError_NEON(const uint8* src_a, const uint8* src_b, int count); 74 75uint32 HashDjb2_C(const uint8* src, int count, uint32 seed); 76uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed); 77uint32 HashDjb2_AVX2(const uint8* src, int count, uint32 seed); 78 79#ifdef __cplusplus 80} // extern "C" 81} // namespace libyuv 82#endif 83 84#endif // INCLUDE_LIBYUV_COMPARE_ROW_H_ NOLINT 85