From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- media/libwebp/src/dsp/dec_sse41.c | 46 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 media/libwebp/src/dsp/dec_sse41.c (limited to 'media/libwebp/src/dsp/dec_sse41.c') diff --git a/media/libwebp/src/dsp/dec_sse41.c b/media/libwebp/src/dsp/dec_sse41.c new file mode 100644 index 0000000000..08a3630272 --- /dev/null +++ b/media/libwebp/src/dsp/dec_sse41.c @@ -0,0 +1,46 @@ +// Copyright 2015 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 version of some decoding functions. +// +// Author: Skal (pascal.massimino@gmail.com) + +#include "src/dsp/dsp.h" + +#if defined(WEBP_USE_SSE41) + +#include +#include "src/dec/vp8i_dec.h" +#include "src/utils/utils.h" + +static void HE16_SSE41(uint8_t* dst) { // horizontal + int j; + const __m128i kShuffle3 = _mm_set1_epi8(3); + for (j = 16; j > 0; --j) { + const __m128i in = _mm_cvtsi32_si128(WebPMemToInt32(dst - 4)); + const __m128i values = _mm_shuffle_epi8(in, kShuffle3); + _mm_storeu_si128((__m128i*)dst, values); + dst += BPS; + } +} + +//------------------------------------------------------------------------------ +// Entry point + +extern void VP8DspInitSSE41(void); + +WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitSSE41(void) { + VP8PredLuma16[3] = HE16_SSE41; +} + +#else // !WEBP_USE_SSE41 + +WEBP_DSP_INIT_STUB(VP8DspInitSSE41) + +#endif // WEBP_USE_SSE41 -- cgit v1.2.3