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84 lines
2.7 KiB
84 lines
2.7 KiB
/*
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* Copyright 2013 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef INCLUDE_LIBYUV_COMPARE_ROW_H_
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#define INCLUDE_LIBYUV_COMPARE_ROW_H_
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#include "libyuv/basic_types.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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#if defined(__pnacl__) || defined(__CLR_VER) || \
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(defined(__i386__) && !defined(__SSE2__))
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#define LIBYUV_DISABLE_X86
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#endif
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// MemorySanitizer does not support assembly code yet. http://crbug.com/344505
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#if defined(__has_feature)
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#if __has_feature(memory_sanitizer)
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#define LIBYUV_DISABLE_X86
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#endif
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#endif
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// Visual C 2012 required for AVX2.
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#if defined(_M_IX86) && !defined(__clang__) && \
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defined(_MSC_VER) && _MSC_VER >= 1700
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#define VISUALC_HAS_AVX2 1
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#endif // VisualStudio >= 2012
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// clang >= 3.4.0 required for AVX2.
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#if defined(__clang__) && (defined(__x86_64__) || defined(__i386__))
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#if (__clang_major__ > 3) || (__clang_major__ == 3 && (__clang_minor__ >= 4))
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#define CLANG_HAS_AVX2 1
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#endif // clang >= 3.4
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#endif // __clang__
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#if !defined(LIBYUV_DISABLE_X86) && \
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defined(_M_IX86) && (defined(VISUALC_HAS_AVX2) || defined(CLANG_HAS_AVX2))
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#define HAS_HASHDJB2_AVX2
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#endif
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// The following are available for Visual C and GCC:
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#if !defined(LIBYUV_DISABLE_X86) && \
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(defined(__x86_64__) || (defined(__i386__) || defined(_M_IX86)))
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#define HAS_HASHDJB2_SSE41
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#define HAS_SUMSQUAREERROR_SSE2
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#endif
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// The following are available for Visual C and clangcl 32 bit:
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#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && \
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(defined(VISUALC_HAS_AVX2) || defined(CLANG_HAS_AVX2))
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#define HAS_HASHDJB2_AVX2
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#define HAS_SUMSQUAREERROR_AVX2
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#endif
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// The following are available for Neon:
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#if !defined(LIBYUV_DISABLE_NEON) && \
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(defined(__ARM_NEON__) || defined(LIBYUV_NEON) || defined(__aarch64__))
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#define HAS_SUMSQUAREERROR_NEON
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#endif
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uint32 SumSquareError_C(const uint8* src_a, const uint8* src_b, int count);
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uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* src_b, int count);
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uint32 SumSquareError_AVX2(const uint8* src_a, const uint8* src_b, int count);
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uint32 SumSquareError_NEON(const uint8* src_a, const uint8* src_b, int count);
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uint32 HashDjb2_C(const uint8* src, int count, uint32 seed);
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uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed);
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uint32 HashDjb2_AVX2(const uint8* src, int count, uint32 seed);
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#ifdef __cplusplus
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} // extern "C"
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} // namespace libyuv
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#endif
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#endif // INCLUDE_LIBYUV_COMPARE_ROW_H_
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