chromium/third_party/libwebp/src/sharpyuv/sharpyuv_sse2.c

// Copyright 2022 Google Inc. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the COPYING 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.
// -----------------------------------------------------------------------------
//
// Speed-critical functions for Sharp YUV.
//
// Author: Skal ([email protected])

#include "sharpyuv/sharpyuv_dsp.h"

#if defined(WEBP_USE_SSE2)
#include <stdlib.h>
#include <emmintrin.h>

static uint16_t clip_SSE2(int v, int max) { … }

static uint64_t SharpYuvUpdateY_SSE2(const uint16_t* ref, const uint16_t* src,
                                     uint16_t* dst, int len, int bit_depth) { … }

static void SharpYuvUpdateRGB_SSE2(const int16_t* ref, const int16_t* src,
                                   int16_t* dst, int len) { … }

static void SharpYuvFilterRow16_SSE2(const int16_t* A, const int16_t* B,
                                     int len, const uint16_t* best_y,
                                     uint16_t* out, int bit_depth) { … }

static WEBP_INLINE __m128i s16_to_s32(__m128i in) { … }

static void SharpYuvFilterRow32_SSE2(const int16_t* A, const int16_t* B,
                                     int len, const uint16_t* best_y,
                                     uint16_t* out, int bit_depth) { … }

static void SharpYuvFilterRow_SSE2(const int16_t* A, const int16_t* B, int len,
                                   const uint16_t* best_y, uint16_t* out,
                                   int bit_depth) { … }

//------------------------------------------------------------------------------

extern void InitSharpYuvSSE2(void);

WEBP_TSAN_IGNORE_FUNCTION void InitSharpYuvSSE2(void) { … }
#else  // !WEBP_USE_SSE2

extern void InitSharpYuvSSE2(void);

void InitSharpYuvSSE2(void) {}

#endif  // WEBP_USE_SSE2