// 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 <smmintrin.h> #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(WebPMemToUint32(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