1 files changed, 84 insertions, 0 deletions
diff --git a/files/include/libyuv/compare_row.h b/files/include/libyuv/compare_row.h
new file mode 100644
index 00000000..38a957b2
--- /dev/null
+++ b/files/include/libyuv/compare_row.h
@@ -0,0 +1,84 @@
+/*
+ *  Copyright 2013 The LibYuv 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.
+ */
+
+#ifndef INCLUDE_LIBYUV_COMPARE_ROW_H_  // NOLINT
+#define INCLUDE_LIBYUV_COMPARE_ROW_H_
+
+#include "libyuv/basic_types.h"
+
+#ifdef __cplusplus
+namespace libyuv {
+extern "C" {
+#endif
+
+#if defined(__pnacl__) || defined(__CLR_VER) || \
+    (defined(__i386__) && !defined(__SSE2__))
+#define LIBYUV_DISABLE_X86
+#endif
+// MemorySanitizer does not support assembly code yet. http://crbug.com/344505
+#if defined(__has_feature)
+#if __has_feature(memory_sanitizer)
+#define LIBYUV_DISABLE_X86
+#endif
+#endif
+
+// Visual C 2012 required for AVX2.
+#if defined(_M_IX86) && !defined(__clang__) && \
+    defined(_MSC_VER) && _MSC_VER >= 1700
+#define VISUALC_HAS_AVX2 1
+#endif  // VisualStudio >= 2012
+
+// clang >= 3.4.0 required for AVX2.
+#if defined(__clang__) && (defined(__x86_64__) || defined(__i386__))
+#if (__clang_major__ > 3) || (__clang_major__ == 3 && (__clang_minor__ >= 4))
+#define CLANG_HAS_AVX2 1
+#endif  // clang >= 3.4
+#endif  // __clang__
+
+#if !defined(LIBYUV_DISABLE_X86) && \
+    defined(_M_IX86) && (defined(VISUALC_HAS_AVX2) || defined(CLANG_HAS_AVX2))
+#define HAS_HASHDJB2_AVX2
+#endif
+
+// The following are available for Visual C and GCC:
+#if !defined(LIBYUV_DISABLE_X86) && \
+    (defined(__x86_64__) || (defined(__i386__) || defined(_M_IX86)))
+#define HAS_HASHDJB2_SSE41
+#define HAS_SUMSQUAREERROR_SSE2
+#endif
+
+// The following are available for Visual C and clangcl 32 bit:
+#if !defined(LIBYUV_DISABLE_X86) && defined(_M_IX86) && \
+    (defined(VISUALC_HAS_AVX2) || defined(CLANG_HAS_AVX2))
+#define HAS_HASHDJB2_AVX2
+#define HAS_SUMSQUAREERROR_AVX2
+#endif
+
+// The following are available for Neon:
+#if !defined(LIBYUV_DISABLE_NEON) && \
+    (defined(__ARM_NEON__) || defined(LIBYUV_NEON) || defined(__aarch64__))
+#define HAS_SUMSQUAREERROR_NEON
+#endif
+
+uint32 SumSquareError_C(const uint8* src_a, const uint8* src_b, int count);
+uint32 SumSquareError_SSE2(const uint8* src_a, const uint8* src_b, int count);
+uint32 SumSquareError_AVX2(const uint8* src_a, const uint8* src_b, int count);
+uint32 SumSquareError_NEON(const uint8* src_a, const uint8* src_b, int count);
+
+uint32 HashDjb2_C(const uint8* src, int count, uint32 seed);
+uint32 HashDjb2_SSE41(const uint8* src, int count, uint32 seed);
+uint32 HashDjb2_AVX2(const uint8* src, int count, uint32 seed);
+
+#ifdef __cplusplus
+}  // extern "C"
+}  // namespace libyuv
+#endif
+
+#endif  // INCLUDE_LIBYUV_COMPARE_ROW_H_  NOLINT