chromium/third_party/libwebp/src/src/dsp/common_sse41.h

// Copyright 2016 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.
// -----------------------------------------------------------------------------
//
// SSE4 code common to several files.
//
// Author: Vincent Rabaud ([email protected])

#ifndef WEBP_DSP_COMMON_SSE41_H_
#define WEBP_DSP_COMMON_SSE41_H_

#ifdef __cplusplus
extern "C" {
#endif

#if defined(WEBP_USE_SSE41)
#include <smmintrin.h>

//------------------------------------------------------------------------------
// Channel mixing.
// Shuffles the input buffer as A0 0 0 A1 0 0 A2 ...
#define WEBP_SSE41_SHUFF …

// Pack the planar buffers
// rrrr... rrrr... gggg... gggg... bbbb... bbbb....
// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ...
static WEBP_INLINE void VP8PlanarTo24b_SSE41(
    __m128i* const in0, __m128i* const in1, __m128i* const in2,
    __m128i* const in3, __m128i* const in4, __m128i* const in5) { … }

#undef WEBP_SSE41_SHUFF

// Convert four packed four-channel buffers like argbargbargbargb... into the
// split channels aaaaa ... rrrr ... gggg .... bbbbb ......
static WEBP_INLINE void VP8L32bToPlanar_SSE41(__m128i* const in0,
                                              __m128i* const in1,
                                              __m128i* const in2,
                                              __m128i* const in3) { … }

#endif  // WEBP_USE_SSE41

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // WEBP_DSP_COMMON_SSE41_H_