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_ 12 #define INCLUDE_LIBYUV_COMPARE_ROW_H_ 13 14 #include "libyuv/basic_types.h" 15 16 #ifdef __cplusplus 17 namespace libyuv { 18 extern "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__) && defined(_MSC_VER) && \ 34 _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) && defined(_M_IX86) && \ 46 (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 70 uint32 SumSquareError_C(const uint8* src_a, const uint8* src_b, int count); 71 uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* src_b, int count); 72 uint32 SumSquareError_AVX2(const uint8* src_a, const uint8* src_b, int count); 73 uint32 SumSquareError_NEON(const uint8* src_a, const uint8* src_b, int count); 74 75 uint32 HashDjb2_C(const uint8* src, int count, uint32 seed); 76 uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed); 77 uint32 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_ 85
