dec_sse2.c revision 8b720228d581a84fd173b6dcb2fa295b59db489a
1a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora// Copyright 2011 Google Inc. All Rights Reserved. 2466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// 30406ce1417f76f2034833414dcecc9f56253640cVikas Arora// Use of this source code is governed by a BSD-style license 40406ce1417f76f2034833414dcecc9f56253640cVikas Arora// that can be found in the COPYING file in the root of the source 50406ce1417f76f2034833414dcecc9f56253640cVikas Arora// tree. An additional intellectual property rights grant can be found 60406ce1417f76f2034833414dcecc9f56253640cVikas Arora// in the file PATENTS. All contributing project authors may 70406ce1417f76f2034833414dcecc9f56253640cVikas Arora// be found in the AUTHORS file in the root of the source tree. 8466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// ----------------------------------------------------------------------------- 9466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// 10a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora// SSE2 version of some decoding functions (idct, loop filtering). 11466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// 12466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Author: somnath@google.com (Somnath Banerjee) 13466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// cduvivier@google.com (Christian Duvivier) 14466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 15a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora#include "./dsp.h" 16a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora 17a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora#if defined(WEBP_USE_SSE2) 18466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 198b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora// The 3-coeff sparse transform in SSE2 is not really faster than the plain-C 208b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora// one it seems => disable it by default. Uncomment the following to enable: 218b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora// #define USE_TRANSFORM_AC3 228b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora 23466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#include <emmintrin.h> 24a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora#include "../dec/vp8i.h" 25466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 26a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora//------------------------------------------------------------------------------ 27466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Transforms (Paragraph 14.4) 28466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 29466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void TransformSSE2(const int16_t* in, uint8_t* dst, int do_two) { 30466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // This implementation makes use of 16-bit fixed point versions of two 31466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // multiply constants: 32466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // K1 = sqrt(2) * cos (pi/8) ~= 85627 / 2^16 33466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // K2 = sqrt(2) * sin (pi/8) ~= 35468 / 2^16 34466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // 35466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // To be able to use signed 16-bit integers, we use the following trick to 36466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // have constants within range: 37466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // - Associated constants are obtained by subtracting the 16-bit fixed point 38466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // version of one: 39466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // k = K - (1 << 16) => K = k + (1 << 16) 40466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // K1 = 85267 => k1 = 20091 41466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // K2 = 35468 => k2 = -30068 42466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // - The multiplication of a variable by a constant become the sum of the 43466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // variable and the multiplication of that variable by the associated 44466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // constant: 45466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // (x * K) >> 16 = (x * (k + (1 << 16))) >> 16 = ((x * k ) >> 16) + x 46466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i k1 = _mm_set1_epi16(20091); 47466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i k2 = _mm_set1_epi16(-30068); 48466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i T0, T1, T2, T3; 49466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 50466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load and concatenate the transform coefficients (we'll do two transforms 51466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // in parallel). In the case of only one transform, the second half of the 52466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // vectors will just contain random value we'll never use nor store. 53466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i in0, in1, in2, in3; 54466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora { 55466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora in0 = _mm_loadl_epi64((__m128i*)&in[0]); 56466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora in1 = _mm_loadl_epi64((__m128i*)&in[4]); 57466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora in2 = _mm_loadl_epi64((__m128i*)&in[8]); 58466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora in3 = _mm_loadl_epi64((__m128i*)&in[12]); 59466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a10 a20 a30 x x x x 60466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a01 a11 a21 a31 x x x x 61466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a02 a12 a22 a32 x x x x 62466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a03 a13 a23 a33 x x x x 63466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora if (do_two) { 64466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i inB0 = _mm_loadl_epi64((__m128i*)&in[16]); 65466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i inB1 = _mm_loadl_epi64((__m128i*)&in[20]); 66466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i inB2 = _mm_loadl_epi64((__m128i*)&in[24]); 67466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i inB3 = _mm_loadl_epi64((__m128i*)&in[28]); 68466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora in0 = _mm_unpacklo_epi64(in0, inB0); 69466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora in1 = _mm_unpacklo_epi64(in1, inB1); 70466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora in2 = _mm_unpacklo_epi64(in2, inB2); 71466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora in3 = _mm_unpacklo_epi64(in3, inB3); 72466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a10 a20 a30 b00 b10 b20 b30 73466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a01 a11 a21 a31 b01 b11 b21 b31 74466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a02 a12 a22 a32 b02 b12 b22 b32 75466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a03 a13 a23 a33 b03 b13 b23 b33 76466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 77466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 78466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 79466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Vertical pass and subsequent transpose. 80466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora { 81466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // First pass, c and d calculations are longer because of the "trick" 82466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // multiplications. 83466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a = _mm_add_epi16(in0, in2); 84466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i b = _mm_sub_epi16(in0, in2); 85466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // c = MUL(in1, K2) - MUL(in3, K1) = MUL(in1, k2) - MUL(in3, k1) + in1 - in3 86466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c1 = _mm_mulhi_epi16(in1, k2); 87466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c2 = _mm_mulhi_epi16(in3, k1); 88466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c3 = _mm_sub_epi16(in1, in3); 89466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c4 = _mm_sub_epi16(c1, c2); 90466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c = _mm_add_epi16(c3, c4); 91466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // d = MUL(in1, K1) + MUL(in3, K2) = MUL(in1, k1) + MUL(in3, k2) + in1 + in3 92466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d1 = _mm_mulhi_epi16(in1, k1); 93466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d2 = _mm_mulhi_epi16(in3, k2); 94466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d3 = _mm_add_epi16(in1, in3); 95466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d4 = _mm_add_epi16(d1, d2); 96466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d = _mm_add_epi16(d3, d4); 97466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 98466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Second pass. 99466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i tmp0 = _mm_add_epi16(a, d); 100466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i tmp1 = _mm_add_epi16(b, c); 101466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i tmp2 = _mm_sub_epi16(b, c); 102466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i tmp3 = _mm_sub_epi16(a, d); 103466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 104466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Transpose the two 4x4. 105466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a01 a02 a03 b00 b01 b02 b03 106466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a10 a11 a12 a13 b10 b11 b12 b13 107466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a20 a21 a22 a23 b20 b21 b22 b23 108466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a30 a31 a32 a33 b30 b31 b32 b33 109466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose0_0 = _mm_unpacklo_epi16(tmp0, tmp1); 110466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose0_1 = _mm_unpacklo_epi16(tmp2, tmp3); 111466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose0_2 = _mm_unpackhi_epi16(tmp0, tmp1); 112466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose0_3 = _mm_unpackhi_epi16(tmp2, tmp3); 113466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a10 a01 a11 a02 a12 a03 a13 114466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a20 a30 a21 a31 a22 a32 a23 a33 115466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // b00 b10 b01 b11 b02 b12 b03 b13 116466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // b20 b30 b21 b31 b22 b32 b23 b33 117466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose1_0 = _mm_unpacklo_epi32(transpose0_0, transpose0_1); 118466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose1_1 = _mm_unpacklo_epi32(transpose0_2, transpose0_3); 119466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose1_2 = _mm_unpackhi_epi32(transpose0_0, transpose0_1); 120466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose1_3 = _mm_unpackhi_epi32(transpose0_2, transpose0_3); 121466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a10 a20 a30 a01 a11 a21 a31 122466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // b00 b10 b20 b30 b01 b11 b21 b31 123466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a02 a12 a22 a32 a03 a13 a23 a33 124466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // b02 b12 a22 b32 b03 b13 b23 b33 125466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora T0 = _mm_unpacklo_epi64(transpose1_0, transpose1_1); 126466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora T1 = _mm_unpackhi_epi64(transpose1_0, transpose1_1); 127466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora T2 = _mm_unpacklo_epi64(transpose1_2, transpose1_3); 128466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora T3 = _mm_unpackhi_epi64(transpose1_2, transpose1_3); 129466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a10 a20 a30 b00 b10 b20 b30 130466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a01 a11 a21 a31 b01 b11 b21 b31 131466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a02 a12 a22 a32 b02 b12 b22 b32 132466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a03 a13 a23 a33 b03 b13 b23 b33 133466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 134466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 135466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Horizontal pass and subsequent transpose. 136466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora { 137466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // First pass, c and d calculations are longer because of the "trick" 138466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // multiplications. 139466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i four = _mm_set1_epi16(4); 140466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i dc = _mm_add_epi16(T0, four); 141466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a = _mm_add_epi16(dc, T2); 142466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i b = _mm_sub_epi16(dc, T2); 143466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // c = MUL(T1, K2) - MUL(T3, K1) = MUL(T1, k2) - MUL(T3, k1) + T1 - T3 144466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c1 = _mm_mulhi_epi16(T1, k2); 145466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c2 = _mm_mulhi_epi16(T3, k1); 146466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c3 = _mm_sub_epi16(T1, T3); 147466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c4 = _mm_sub_epi16(c1, c2); 148466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i c = _mm_add_epi16(c3, c4); 149466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // d = MUL(T1, K1) + MUL(T3, K2) = MUL(T1, k1) + MUL(T3, k2) + T1 + T3 150466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d1 = _mm_mulhi_epi16(T1, k1); 151466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d2 = _mm_mulhi_epi16(T3, k2); 152466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d3 = _mm_add_epi16(T1, T3); 153466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d4 = _mm_add_epi16(d1, d2); 154466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i d = _mm_add_epi16(d3, d4); 155466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 156466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Second pass. 157466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i tmp0 = _mm_add_epi16(a, d); 158466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i tmp1 = _mm_add_epi16(b, c); 159466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i tmp2 = _mm_sub_epi16(b, c); 160466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i tmp3 = _mm_sub_epi16(a, d); 161466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i shifted0 = _mm_srai_epi16(tmp0, 3); 162466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i shifted1 = _mm_srai_epi16(tmp1, 3); 163466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i shifted2 = _mm_srai_epi16(tmp2, 3); 164466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i shifted3 = _mm_srai_epi16(tmp3, 3); 165466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 166466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Transpose the two 4x4. 167466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a01 a02 a03 b00 b01 b02 b03 168466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a10 a11 a12 a13 b10 b11 b12 b13 169466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a20 a21 a22 a23 b20 b21 b22 b23 170466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a30 a31 a32 a33 b30 b31 b32 b33 171466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose0_0 = _mm_unpacklo_epi16(shifted0, shifted1); 172466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose0_1 = _mm_unpacklo_epi16(shifted2, shifted3); 173466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose0_2 = _mm_unpackhi_epi16(shifted0, shifted1); 174466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose0_3 = _mm_unpackhi_epi16(shifted2, shifted3); 175466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a10 a01 a11 a02 a12 a03 a13 176466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a20 a30 a21 a31 a22 a32 a23 a33 177466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // b00 b10 b01 b11 b02 b12 b03 b13 178466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // b20 b30 b21 b31 b22 b32 b23 b33 179466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose1_0 = _mm_unpacklo_epi32(transpose0_0, transpose0_1); 180466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose1_1 = _mm_unpacklo_epi32(transpose0_2, transpose0_3); 181466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose1_2 = _mm_unpackhi_epi32(transpose0_0, transpose0_1); 182466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i transpose1_3 = _mm_unpackhi_epi32(transpose0_2, transpose0_3); 183466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a10 a20 a30 a01 a11 a21 a31 184466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // b00 b10 b20 b30 b01 b11 b21 b31 185466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a02 a12 a22 a32 a03 a13 a23 a33 186466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // b02 b12 a22 b32 b03 b13 b23 b33 187466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora T0 = _mm_unpacklo_epi64(transpose1_0, transpose1_1); 188466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora T1 = _mm_unpackhi_epi64(transpose1_0, transpose1_1); 189466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora T2 = _mm_unpacklo_epi64(transpose1_2, transpose1_3); 190466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora T3 = _mm_unpackhi_epi64(transpose1_2, transpose1_3); 191466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a00 a10 a20 a30 b00 b10 b20 b30 192466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a01 a11 a21 a31 b01 b11 b21 b31 193466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a02 a12 a22 a32 b02 b12 b22 b32 194466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // a03 a13 a23 a33 b03 b13 b23 b33 195466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 196466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 197466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Add inverse transform to 'dst' and store. 198466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora { 1991e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora const __m128i zero = _mm_setzero_si128(); 200466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load the reference(s). 201466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i dst0, dst1, dst2, dst3; 202466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora if (do_two) { 203466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load eight bytes/pixels per line. 2048b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst0 = _mm_loadl_epi64((__m128i*)(dst + 0 * BPS)); 2058b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst1 = _mm_loadl_epi64((__m128i*)(dst + 1 * BPS)); 2068b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst2 = _mm_loadl_epi64((__m128i*)(dst + 2 * BPS)); 2078b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst3 = _mm_loadl_epi64((__m128i*)(dst + 3 * BPS)); 208466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } else { 209466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load four bytes/pixels per line. 2108b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst0 = _mm_cvtsi32_si128(*(int*)(dst + 0 * BPS)); 2118b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst1 = _mm_cvtsi32_si128(*(int*)(dst + 1 * BPS)); 2128b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst2 = _mm_cvtsi32_si128(*(int*)(dst + 2 * BPS)); 2138b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst3 = _mm_cvtsi32_si128(*(int*)(dst + 3 * BPS)); 214466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 215466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Convert to 16b. 216466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst0 = _mm_unpacklo_epi8(dst0, zero); 217466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst1 = _mm_unpacklo_epi8(dst1, zero); 218466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst2 = _mm_unpacklo_epi8(dst2, zero); 219466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst3 = _mm_unpacklo_epi8(dst3, zero); 220466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Add the inverse transform(s). 221466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst0 = _mm_add_epi16(dst0, T0); 222466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst1 = _mm_add_epi16(dst1, T1); 223466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst2 = _mm_add_epi16(dst2, T2); 224466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst3 = _mm_add_epi16(dst3, T3); 225466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Unsigned saturate to 8b. 226466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst0 = _mm_packus_epi16(dst0, dst0); 227466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst1 = _mm_packus_epi16(dst1, dst1); 228466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst2 = _mm_packus_epi16(dst2, dst2); 229466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora dst3 = _mm_packus_epi16(dst3, dst3); 230466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store the results. 231466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora if (do_two) { 232466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store eight bytes/pixels per line. 2338b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora _mm_storel_epi64((__m128i*)(dst + 0 * BPS), dst0); 2348b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora _mm_storel_epi64((__m128i*)(dst + 1 * BPS), dst1); 2358b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora _mm_storel_epi64((__m128i*)(dst + 2 * BPS), dst2); 2368b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora _mm_storel_epi64((__m128i*)(dst + 3 * BPS), dst3); 237466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } else { 238466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store four bytes/pixels per line. 2398b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora *(int*)(dst + 0 * BPS) = _mm_cvtsi128_si32(dst0); 2408b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora *(int*)(dst + 1 * BPS) = _mm_cvtsi128_si32(dst1); 2418b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora *(int*)(dst + 2 * BPS) = _mm_cvtsi128_si32(dst2); 2428b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora *(int*)(dst + 3 * BPS) = _mm_cvtsi128_si32(dst3); 243466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 244466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 245466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 246466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 2478b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora#if defined(USE_TRANSFORM_AC3) 2488b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora#define MUL(a, b) (((a) * (b)) >> 16) 2498b720228d581a84fd173b6dcb2fa295b59db489aVikas Arorastatic void TransformAC3SSE2(const int16_t* in, uint8_t* dst) { 2508b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora static const int kC1 = 20091 + (1 << 16); 2518b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora static const int kC2 = 35468; 2528b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i A = _mm_set1_epi16(in[0] + 4); 2538b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i c4 = _mm_set1_epi16(MUL(in[4], kC2)); 2548b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i d4 = _mm_set1_epi16(MUL(in[4], kC1)); 2558b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const int c1 = MUL(in[1], kC2); 2568b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const int d1 = MUL(in[1], kC1); 2578b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i CD = _mm_set_epi16(0, 0, 0, 0, -d1, -c1, c1, d1); 2588b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i B = _mm_adds_epi16(A, CD); 2598b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i m0 = _mm_adds_epi16(B, d4); 2608b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i m1 = _mm_adds_epi16(B, c4); 2618b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i m2 = _mm_subs_epi16(B, c4); 2628b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i m3 = _mm_subs_epi16(B, d4); 2638b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora const __m128i zero = _mm_setzero_si128(); 2648b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora // Load the source pixels. 2658b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora __m128i dst0 = _mm_cvtsi32_si128(*(int*)(dst + 0 * BPS)); 2668b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora __m128i dst1 = _mm_cvtsi32_si128(*(int*)(dst + 1 * BPS)); 2678b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora __m128i dst2 = _mm_cvtsi32_si128(*(int*)(dst + 2 * BPS)); 2688b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora __m128i dst3 = _mm_cvtsi32_si128(*(int*)(dst + 3 * BPS)); 2698b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora // Convert to 16b. 2708b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst0 = _mm_unpacklo_epi8(dst0, zero); 2718b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst1 = _mm_unpacklo_epi8(dst1, zero); 2728b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst2 = _mm_unpacklo_epi8(dst2, zero); 2738b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst3 = _mm_unpacklo_epi8(dst3, zero); 2748b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora // Add the inverse transform. 2758b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst0 = _mm_adds_epi16(dst0, _mm_srai_epi16(m0, 3)); 2768b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst1 = _mm_adds_epi16(dst1, _mm_srai_epi16(m1, 3)); 2778b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst2 = _mm_adds_epi16(dst2, _mm_srai_epi16(m2, 3)); 2788b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst3 = _mm_adds_epi16(dst3, _mm_srai_epi16(m3, 3)); 2798b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora // Unsigned saturate to 8b. 2808b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst0 = _mm_packus_epi16(dst0, dst0); 2818b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst1 = _mm_packus_epi16(dst1, dst1); 2828b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst2 = _mm_packus_epi16(dst2, dst2); 2838b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora dst3 = _mm_packus_epi16(dst3, dst3); 2848b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora // Store the results. 2858b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora *(int*)(dst + 0 * BPS) = _mm_cvtsi128_si32(dst0); 2868b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora *(int*)(dst + 1 * BPS) = _mm_cvtsi128_si32(dst1); 2878b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora *(int*)(dst + 2 * BPS) = _mm_cvtsi128_si32(dst2); 2888b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora *(int*)(dst + 3 * BPS) = _mm_cvtsi128_si32(dst3); 2898b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora} 2908b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora#undef MUL 2918b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora#endif // USE_TRANSFORM_AC3 2928b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora 293a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora//------------------------------------------------------------------------------ 294466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Loop Filter (Paragraph 15) 295466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 296466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Compute abs(p - q) = subs(p - q) OR subs(q - p) 297466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define MM_ABS(p, q) _mm_or_si128( \ 298466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_subs_epu8((q), (p)), \ 299466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_subs_epu8((p), (q))) 300466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 301466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Shift each byte of "a" by N bits while preserving by the sign bit. 302466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// 303466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// It first shifts the lower bytes of the words and then the upper bytes and 304466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// then merges the results together. 305466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define SIGNED_SHIFT_N(a, N) { \ 306466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t = a; \ 307466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t = _mm_slli_epi16(t, 8); \ 308466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t = _mm_srai_epi16(t, N); \ 309466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t = _mm_srli_epi16(t, 8); \ 310466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora \ 311466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora a = _mm_srai_epi16(a, N + 8); \ 312466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora a = _mm_slli_epi16(a, 8); \ 313466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora \ 314466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora a = _mm_or_si128(t, a); \ 315466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 316466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 317466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define FLIP_SIGN_BIT2(a, b) { \ 318466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora a = _mm_xor_si128(a, sign_bit); \ 319466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora b = _mm_xor_si128(b, sign_bit); \ 320466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 321466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 322466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define FLIP_SIGN_BIT4(a, b, c, d) { \ 323466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(a, b); \ 324466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(c, d); \ 325466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 326466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 327466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define GET_NOTHEV(p1, p0, q0, q1, hev_thresh, not_hev) { \ 328466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i zero = _mm_setzero_si128(); \ 3291e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora const __m128i t_1 = MM_ABS(p1, p0); \ 3301e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora const __m128i t_2 = MM_ABS(q1, q0); \ 331466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora \ 332466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i h = _mm_set1_epi8(hev_thresh); \ 3331e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora const __m128i t_3 = _mm_subs_epu8(t_1, h); /* abs(p1 - p0) - hev_tresh */ \ 3341e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora const __m128i t_4 = _mm_subs_epu8(t_2, h); /* abs(q1 - q0) - hev_tresh */ \ 335466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora \ 3361e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora not_hev = _mm_or_si128(t_3, t_4); \ 337466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora not_hev = _mm_cmpeq_epi8(not_hev, zero); /* not_hev <= t1 && not_hev <= t2 */\ 338466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 339466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 340466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define GET_BASE_DELTA(p1, p0, q0, q1, o) { \ 341466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i qp0 = _mm_subs_epi8(q0, p0); /* q0 - p0 */ \ 342466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora o = _mm_subs_epi8(p1, q1); /* p1 - q1 */ \ 343466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora o = _mm_adds_epi8(o, qp0); /* p1 - q1 + 1 * (q0 - p0) */ \ 344466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora o = _mm_adds_epi8(o, qp0); /* p1 - q1 + 2 * (q0 - p0) */ \ 345466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora o = _mm_adds_epi8(o, qp0); /* p1 - q1 + 3 * (q0 - p0) */ \ 346466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 347466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 348466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define DO_SIMPLE_FILTER(p0, q0, fl) { \ 349466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i three = _mm_set1_epi8(3); \ 350466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i four = _mm_set1_epi8(4); \ 351466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i v3 = _mm_adds_epi8(fl, three); \ 352466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i v4 = _mm_adds_epi8(fl, four); \ 353466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora \ 354466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora /* Do +4 side */ \ 355466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora SIGNED_SHIFT_N(v4, 3); /* v4 >> 3 */ \ 356466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora q0 = _mm_subs_epi8(q0, v4); /* q0 -= v4 */ \ 357466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora \ 358466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora /* Now do +3 side */ \ 359466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora SIGNED_SHIFT_N(v3, 3); /* v3 >> 3 */ \ 360466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p0 = _mm_adds_epi8(p0, v3); /* p0 += v3 */ \ 361466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 362466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 363466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Updates values of 2 pixels at MB edge during complex filtering. 364466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Update operations: 3651e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora// q = q - delta and p = p + delta; where delta = [(a_hi >> 7), (a_lo >> 7)] 366466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define UPDATE_2PIXELS(pi, qi, a_lo, a_hi) { \ 367466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a_lo7 = _mm_srai_epi16(a_lo, 7); \ 368466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a_hi7 = _mm_srai_epi16(a_hi, 7); \ 3691e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora const __m128i delta = _mm_packs_epi16(a_lo7, a_hi7); \ 3701e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora pi = _mm_adds_epi8(pi, delta); \ 3711e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora qi = _mm_subs_epi8(qi, delta); \ 372466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 373466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 374466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void NeedsFilter(const __m128i* p1, const __m128i* p0, const __m128i* q0, 375466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i* q1, int thresh, __m128i *mask) { 376466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1 = MM_ABS(*p1, *q1); // abs(p1 - q1) 377466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *mask = _mm_set1_epi8(0xFE); 378466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_and_si128(t1, *mask); // set lsb of each byte to zero 379466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_srli_epi16(t1, 1); // abs(p1 - q1) / 2 380466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 381466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *mask = MM_ABS(*p0, *q0); // abs(p0 - q0) 382466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *mask = _mm_adds_epu8(*mask, *mask); // abs(p0 - q0) * 2 383466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *mask = _mm_adds_epu8(*mask, t1); // abs(p0 - q0) * 2 + abs(p1 - q1) / 2 384466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 385466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_set1_epi8(thresh); 386466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *mask = _mm_subs_epu8(*mask, t1); // mask <= thresh 387466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *mask = _mm_cmpeq_epi8(*mask, _mm_setzero_si128()); 388466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 389466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 390a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora//------------------------------------------------------------------------------ 391466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Edge filtering functions 392466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 393466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Applies filter on 2 pixels (p0 and q0) 394a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arorastatic WEBP_INLINE void DoFilter2(const __m128i* p1, __m128i* p0, __m128i* q0, 395a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora const __m128i* q1, int thresh) { 396466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i a, mask; 397466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i sign_bit = _mm_set1_epi8(0x80); 398466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i p1s = _mm_xor_si128(*p1, sign_bit); 399466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i q1s = _mm_xor_si128(*q1, sign_bit); 400466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 401466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora NeedsFilter(p1, p0, q0, q1, thresh, &mask); 402466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 403466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // convert to signed values 404466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(*p0, *q0); 405466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 406466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora GET_BASE_DELTA(p1s, *p0, *q0, q1s, a); 407466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora a = _mm_and_si128(a, mask); // mask filter values we don't care about 408466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DO_SIMPLE_FILTER(*p0, *q0, a); 409466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 410466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // unoffset 411466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(*p0, *q0); 412466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 413466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 414466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Applies filter on 4 pixels (p1, p0, q0 and q1) 415a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arorastatic WEBP_INLINE void DoFilter4(__m128i* p1, __m128i *p0, 416a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora __m128i* q0, __m128i* q1, 417a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora const __m128i* mask, int hev_thresh) { 418466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i not_hev; 419466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2, t3; 420466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i sign_bit = _mm_set1_epi8(0x80); 421466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 422466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // compute hev mask 423466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora GET_NOTHEV(*p1, *p0, *q0, *q1, hev_thresh, not_hev); 424466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 425466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // convert to signed values 426466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1); 427466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 428466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_subs_epi8(*p1, *q1); // p1 - q1 429466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_andnot_si128(not_hev, t1); // hev(p1 - q1) 430466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_subs_epi8(*q0, *p0); // q0 - p0 431466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 1 * (q0 - p0) 432466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 2 * (q0 - p0) 433466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 3 * (q0 - p0) 434466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_and_si128(t1, *mask); // mask filter values we don't care about 435466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 436466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Do +4 side 437466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_set1_epi8(4); 438466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_adds_epi8(t1, t2); // 3 * (q0 - p0) + (p1 - q1) + 4 439466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora SIGNED_SHIFT_N(t2, 3); // (3 * (q0 - p0) + hev(p1 - q1) + 4) >> 3 440466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t3 = t2; // save t2 441466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q0 = _mm_subs_epi8(*q0, t2); // q0 -= t2 442466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 443466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Now do +3 side 444466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_set1_epi8(3); 445466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_adds_epi8(t1, t2); // +3 instead of +4 446466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora SIGNED_SHIFT_N(t2, 3); // (3 * (q0 - p0) + hev(p1 - q1) + 3) >> 3 447466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p0 = _mm_adds_epi8(*p0, t2); // p0 += t2 448466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 449466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_set1_epi8(1); 450466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t3 = _mm_adds_epi8(t3, t2); 451466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora SIGNED_SHIFT_N(t3, 1); // (3 * (q0 - p0) + hev(p1 - q1) + 4) >> 4 452466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 453466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t3 = _mm_and_si128(not_hev, t3); // if !hev 454466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q1 = _mm_subs_epi8(*q1, t3); // q1 -= t3 455466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p1 = _mm_adds_epi8(*p1, t3); // p1 += t3 456466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 457466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // unoffset 458466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1); 459466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 460466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 461466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Applies filter on 6 pixels (p2, p1, p0, q0, q1 and q2) 462a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arorastatic WEBP_INLINE void DoFilter6(__m128i *p2, __m128i* p1, __m128i *p0, 463a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora __m128i* q0, __m128i* q1, __m128i *q2, 464a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora const __m128i* mask, int hev_thresh) { 465466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i a, not_hev; 466466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i sign_bit = _mm_set1_epi8(0x80); 467466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 468466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // compute hev mask 469466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora GET_NOTHEV(*p1, *p0, *q0, *q1, hev_thresh, not_hev); 470466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 471466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // convert to signed values 472466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1); 473466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(*p2, *q2); 474466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 475466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora GET_BASE_DELTA(*p1, *p0, *q0, *q1, a); 476466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 477466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora { // do simple filter on pixels with hev 478466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i m = _mm_andnot_si128(not_hev, *mask); 479466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f = _mm_and_si128(a, m); 480466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DO_SIMPLE_FILTER(*p0, *q0, f); 481466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 482466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora { // do strong filter on pixels with not hev 483466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i zero = _mm_setzero_si128(); 484466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i nine = _mm_set1_epi16(0x0900); 485466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i sixty_three = _mm_set1_epi16(63); 486466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 487466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i m = _mm_and_si128(not_hev, *mask); 488466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f = _mm_and_si128(a, m); 489466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f_lo = _mm_unpacklo_epi8(zero, f); 490466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f_hi = _mm_unpackhi_epi8(zero, f); 491466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 492466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f9_lo = _mm_mulhi_epi16(f_lo, nine); // Filter (lo) * 9 493466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f9_hi = _mm_mulhi_epi16(f_hi, nine); // Filter (hi) * 9 494466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f18_lo = _mm_add_epi16(f9_lo, f9_lo); // Filter (lo) * 18 495466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f18_hi = _mm_add_epi16(f9_hi, f9_hi); // Filter (hi) * 18 496466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 497466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a2_lo = _mm_add_epi16(f9_lo, sixty_three); // Filter * 9 + 63 498466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a2_hi = _mm_add_epi16(f9_hi, sixty_three); // Filter * 9 + 63 499466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 500466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a1_lo = _mm_add_epi16(f18_lo, sixty_three); // F... * 18 + 63 501466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a1_hi = _mm_add_epi16(f18_hi, sixty_three); // F... * 18 + 63 502466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 503466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a0_lo = _mm_add_epi16(f18_lo, a2_lo); // Filter * 27 + 63 504466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i a0_hi = _mm_add_epi16(f18_hi, a2_hi); // Filter * 27 + 63 505466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 506466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora UPDATE_2PIXELS(*p2, *q2, a2_lo, a2_hi); 507466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora UPDATE_2PIXELS(*p1, *q1, a1_lo, a1_hi); 508466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora UPDATE_2PIXELS(*p0, *q0, a0_lo, a0_hi); 509466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 510466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 511466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // unoffset 512466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1); 513466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(*p2, *q2); 514466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 515466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 516466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// reads 8 rows across a vertical edge. 517466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// 518466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// TODO(somnath): Investigate _mm_shuffle* also see if it can be broken into 519466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// two Load4x4() to avoid code duplication. 520a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arorastatic WEBP_INLINE void Load8x4(const uint8_t* b, int stride, 521a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora __m128i* p, __m128i* q) { 522466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2; 523466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 524466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load 0th, 1st, 4th and 5th rows 525466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i r0 = _mm_cvtsi32_si128(*((int*)&b[0 * stride])); // 03 02 01 00 526466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i r1 = _mm_cvtsi32_si128(*((int*)&b[1 * stride])); // 13 12 11 10 527466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i r4 = _mm_cvtsi32_si128(*((int*)&b[4 * stride])); // 43 42 41 40 528466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i r5 = _mm_cvtsi32_si128(*((int*)&b[5 * stride])); // 53 52 51 50 529466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 530466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 = _mm_unpacklo_epi32(r0, r4); // 43 42 41 40 03 02 01 00 531466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r1 = _mm_unpacklo_epi32(r1, r5); // 53 52 51 50 13 12 11 10 532466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 533466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // t1 = 53 43 52 42 51 41 50 40 13 03 12 02 11 01 10 00 534466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_unpacklo_epi8(r0, r1); 535466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 536466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load 2nd, 3rd, 6th and 7th rows 537466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 = _mm_cvtsi32_si128(*((int*)&b[2 * stride])); // 23 22 21 22 538466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r1 = _mm_cvtsi32_si128(*((int*)&b[3 * stride])); // 33 32 31 30 539466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r4 = _mm_cvtsi32_si128(*((int*)&b[6 * stride])); // 63 62 61 60 540466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r5 = _mm_cvtsi32_si128(*((int*)&b[7 * stride])); // 73 72 71 70 541466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 542466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 = _mm_unpacklo_epi32(r0, r4); // 63 62 61 60 23 22 21 20 543466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r1 = _mm_unpacklo_epi32(r1, r5); // 73 72 71 70 33 32 31 30 544466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 545466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // t2 = 73 63 72 62 71 61 70 60 33 23 32 22 31 21 30 20 546466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_unpacklo_epi8(r0, r1); 547466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 548466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // t1 = 33 23 13 03 32 22 12 02 31 21 11 01 30 20 10 00 549466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // t2 = 73 63 53 43 72 62 52 42 71 61 51 41 70 60 50 40 550466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 = t1; 551466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_unpacklo_epi16(t1, t2); 552466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_unpackhi_epi16(r0, t2); 553466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 554466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // *p = 71 61 51 41 31 21 11 01 70 60 50 40 30 20 10 00 555466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // *q = 73 63 53 43 33 23 13 03 72 62 52 42 32 22 12 02 556466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p = _mm_unpacklo_epi32(t1, t2); 557466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q = _mm_unpackhi_epi32(t1, t2); 558466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 559466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 560a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arorastatic WEBP_INLINE void Load16x4(const uint8_t* r0, const uint8_t* r8, 561a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora int stride, 562a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora __m128i* p1, __m128i* p0, 563a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora __m128i* q0, __m128i* q1) { 564466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2; 565466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Assume the pixels around the edge (|) are numbered as follows 566466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // 00 01 | 02 03 567466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // 10 11 | 12 13 568466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // ... | ... 569466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // e0 e1 | e2 e3 570466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // f0 f1 | f2 f3 571466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // 572466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // r0 is pointing to the 0th row (00) 573466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // r8 is pointing to the 8th row (80) 574466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 575466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load 576466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p1 = 71 61 51 41 31 21 11 01 70 60 50 40 30 20 10 00 577466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q0 = 73 63 53 43 33 23 13 03 72 62 52 42 32 22 12 02 578466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p0 = f1 e1 d1 c1 b1 a1 91 81 f0 e0 d0 c0 b0 a0 90 80 579466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q1 = f3 e3 d3 c3 b3 a3 93 83 f2 e2 d2 c2 b2 a2 92 82 580466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load8x4(r0, stride, p1, q0); 581466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load8x4(r8, stride, p0, q1); 582466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 583466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = *p1; 584466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = *q0; 585466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p1 = f0 e0 d0 c0 b0 a0 90 80 70 60 50 40 30 20 10 00 586466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p0 = f1 e1 d1 c1 b1 a1 91 81 71 61 51 41 31 21 11 01 587466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q0 = f2 e2 d2 c2 b2 a2 92 82 72 62 52 42 32 22 12 02 588466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q1 = f3 e3 d3 c3 b3 a3 93 83 73 63 53 43 33 23 13 03 589466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p1 = _mm_unpacklo_epi64(t1, *p0); 590466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p0 = _mm_unpackhi_epi64(t1, *p0); 591466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q0 = _mm_unpacklo_epi64(t2, *q1); 592466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q1 = _mm_unpackhi_epi64(t2, *q1); 593466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 594466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 595a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arorastatic WEBP_INLINE void Store4x4(__m128i* x, uint8_t* dst, int stride) { 596466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int i; 597466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (i = 0; i < 4; ++i, dst += stride) { 598466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *((int32_t*)dst) = _mm_cvtsi128_si32(*x); 599466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *x = _mm_srli_si128(*x, 4); 600466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 601466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 602466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 603466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Transpose back and store 604a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arorastatic WEBP_INLINE void Store16x4(uint8_t* r0, uint8_t* r8, int stride, 605a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora __m128i* p1, __m128i* p0, 606a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora __m128i* q0, __m128i* q1) { 607466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1; 608466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 609466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p0 = 71 70 61 60 51 50 41 40 31 30 21 20 11 10 01 00 610466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p1 = f1 f0 e1 e0 d1 d0 c1 c0 b1 b0 a1 a0 91 90 81 80 611466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = *p0; 612466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p0 = _mm_unpacklo_epi8(*p1, t1); 613466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p1 = _mm_unpackhi_epi8(*p1, t1); 614466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 615466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q0 = 73 72 63 62 53 52 43 42 33 32 23 22 13 12 03 02 616466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q1 = f3 f2 e3 e2 d3 d2 c3 c2 b3 b2 a3 a2 93 92 83 82 617466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = *q0; 618466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q0 = _mm_unpacklo_epi8(t1, *q1); 619466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q1 = _mm_unpackhi_epi8(t1, *q1); 620466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 621466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p0 = 33 32 31 30 23 22 21 20 13 12 11 10 03 02 01 00 622466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q0 = 73 72 71 70 63 62 61 60 53 52 51 50 43 42 41 40 623466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = *p0; 624466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p0 = _mm_unpacklo_epi16(t1, *q0); 625466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q0 = _mm_unpackhi_epi16(t1, *q0); 626466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 627466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p1 = b3 b2 b1 b0 a3 a2 a1 a0 93 92 91 90 83 82 81 80 628466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q1 = f3 f2 f1 f0 e3 e2 e1 e0 d3 d2 d1 d0 c3 c2 c1 c0 629466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = *p1; 630466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p1 = _mm_unpacklo_epi16(t1, *q1); 631466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q1 = _mm_unpackhi_epi16(t1, *q1); 632466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 633466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store4x4(p0, r0, stride); 634466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 += 4 * stride; 635466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store4x4(q0, r0, stride); 636466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 637466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store4x4(p1, r8, stride); 638466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r8 += 4 * stride; 639466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store4x4(q1, r8, stride); 640466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 641466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 642a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora//------------------------------------------------------------------------------ 643466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Simple In-loop filtering (Paragraph 15.2) 644466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 645466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void SimpleVFilter16SSE2(uint8_t* p, int stride, int thresh) { 646466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load 647466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p1 = _mm_loadu_si128((__m128i*)&p[-2 * stride]); 648466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p0 = _mm_loadu_si128((__m128i*)&p[-stride]); 649466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i q0 = _mm_loadu_si128((__m128i*)&p[0]); 650466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i q1 = _mm_loadu_si128((__m128i*)&p[stride]); 651466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 652466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter2(&p1, &p0, &q0, &q1, thresh); 653466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 654466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 655466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-stride], p0); 656466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)p, q0); 657466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 658466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 659466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void SimpleHFilter16SSE2(uint8_t* p, int stride, int thresh) { 660466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p1, p0, q0, q1; 661466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 662466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p -= 2; // beginning of p1 663466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 664466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(p, p + 8 * stride, stride, &p1, &p0, &q0, &q1); 665466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter2(&p1, &p0, &q0, &q1, thresh); 666466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store16x4(p, p + 8 * stride, stride, &p1, &p0, &q0, &q1); 667466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 668466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 669466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void SimpleVFilter16iSSE2(uint8_t* p, int stride, int thresh) { 670466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int k; 671466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (k = 3; k > 0; --k) { 672466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p += 4 * stride; 673466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora SimpleVFilter16SSE2(p, stride, thresh); 674466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 675466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 676466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 677466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void SimpleHFilter16iSSE2(uint8_t* p, int stride, int thresh) { 678466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int k; 679466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (k = 3; k > 0; --k) { 680466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p += 4; 681466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora SimpleHFilter16SSE2(p, stride, thresh); 682466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 683466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 684466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 685a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora//------------------------------------------------------------------------------ 686466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Complex In-loop filtering (Paragraph 15.3) 687466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 688466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define MAX_DIFF1(p3, p2, p1, p0, m) { \ 689466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = MM_ABS(p3, p2); \ 690466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = _mm_max_epu8(m, MM_ABS(p2, p1)); \ 691466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = _mm_max_epu8(m, MM_ABS(p1, p0)); \ 692466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 693466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 694466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define MAX_DIFF2(p3, p2, p1, p0, m) { \ 695466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = _mm_max_epu8(m, MM_ABS(p3, p2)); \ 696466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = _mm_max_epu8(m, MM_ABS(p2, p1)); \ 697466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = _mm_max_epu8(m, MM_ABS(p1, p0)); \ 698466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 699466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 700466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define LOAD_H_EDGES4(p, stride, e1, e2, e3, e4) { \ 701466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora e1 = _mm_loadu_si128((__m128i*)&(p)[0 * stride]); \ 702466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora e2 = _mm_loadu_si128((__m128i*)&(p)[1 * stride]); \ 703466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora e3 = _mm_loadu_si128((__m128i*)&(p)[2 * stride]); \ 704466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora e4 = _mm_loadu_si128((__m128i*)&(p)[3 * stride]); \ 705466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 706466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 707466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define LOADUV_H_EDGE(p, u, v, stride) { \ 708466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p = _mm_loadl_epi64((__m128i*)&(u)[(stride)]); \ 709466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p = _mm_unpacklo_epi64(p, _mm_loadl_epi64((__m128i*)&(v)[(stride)])); \ 710466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 711466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 712466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define LOADUV_H_EDGES4(u, v, stride, e1, e2, e3, e4) { \ 713466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGE(e1, u, v, 0 * stride); \ 714466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGE(e2, u, v, 1 * stride); \ 715466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGE(e3, u, v, 2 * stride); \ 716466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGE(e4, u, v, 3 * stride); \ 717466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 718466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 719466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define STOREUV(p, u, v, stride) { \ 720466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storel_epi64((__m128i*)&u[(stride)], p); \ 721466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p = _mm_srli_si128(p, 8); \ 722466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storel_epi64((__m128i*)&v[(stride)], p); \ 723466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 724466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 725466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask) { \ 726466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i fl_yes; \ 727466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i it = _mm_set1_epi8(ithresh); \ 728466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora mask = _mm_subs_epu8(mask, it); \ 729466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora mask = _mm_cmpeq_epi8(mask, _mm_setzero_si128()); \ 730466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora NeedsFilter(&p1, &p0, &q0, &q1, thresh, &fl_yes); \ 731466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora mask = _mm_and_si128(mask, fl_yes); \ 732466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 733466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 734466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// on macroblock edges 735466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void VFilter16SSE2(uint8_t* p, int stride, 736466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int thresh, int ithresh, int hev_thresh) { 737466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1; 738466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 739466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p2, p1, p0, q0, q1, q2; 740466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 741466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load p3, p2, p1, p0 742466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOAD_H_EDGES4(p - 4 * stride, stride, t1, p2, p1, p0); 743466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t1, p2, p1, p0, mask); 744466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 745466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load q0, q1, q2, q3 746466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOAD_H_EDGES4(p, stride, q0, q1, q2, t1); 747466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t1, q2, q1, q0, mask); 748466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 749466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask); 750466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); 751466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 752466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 753466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-3 * stride], p2); 754466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-2 * stride], p1); 755466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-1 * stride], p0); 756466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[0 * stride], q0); 757466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[1 * stride], q1); 758466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[2 * stride], q2); 759466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 760466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 761466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void HFilter16SSE2(uint8_t* p, int stride, 762466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int thresh, int ithresh, int hev_thresh) { 763466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 764466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p3, p2, p1, p0, q0, q1, q2, q3; 765466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 766466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora uint8_t* const b = p - 4; 767466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(b, b + 8 * stride, stride, &p3, &p2, &p1, &p0); // p3, p2, p1, p0 768466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(p3, p2, p1, p0, mask); 769466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 770466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(p, p + 8 * stride, stride, &q0, &q1, &q2, &q3); // q0, q1, q2, q3 771466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(q3, q2, q1, q0, mask); 772466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 773466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask); 774466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); 775466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 776466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store16x4(b, b + 8 * stride, stride, &p3, &p2, &p1, &p0); 777466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store16x4(p, p + 8 * stride, stride, &q0, &q1, &q2, &q3); 778466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 779466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 780466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// on three inner edges 781466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void VFilter16iSSE2(uint8_t* p, int stride, 782466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int thresh, int ithresh, int hev_thresh) { 783466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int k; 784466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 785466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2, p1, p0, q0, q1; 786466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 787466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (k = 3; k > 0; --k) { 788466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load p3, p2, p1, p0 789466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOAD_H_EDGES4(p, stride, t2, t1, p1, p0); 790466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t2, t1, p1, p0, mask); 791466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 792466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p += 4 * stride; 793466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 794466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load q0, q1, q2, q3 795466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOAD_H_EDGES4(p, stride, q0, q1, t1, t2); 796466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t2, t1, q1, q0, mask); 797466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 798466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask); 799466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter4(&p1, &p0, &q0, &q1, &mask, hev_thresh); 800466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 801466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 802466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-2 * stride], p1); 803466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-1 * stride], p0); 804466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[0 * stride], q0); 805466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[1 * stride], q1); 806466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 807466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 808466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 809466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void HFilter16iSSE2(uint8_t* p, int stride, 810466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int thresh, int ithresh, int hev_thresh) { 811466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int k; 812466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora uint8_t* b; 813466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 814466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2, p1, p0, q0, q1; 815466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 816466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (k = 3; k > 0; --k) { 817466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora b = p; 818466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(b, b + 8 * stride, stride, &t2, &t1, &p1, &p0); // p3, p2, p1, p0 819466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t2, t1, p1, p0, mask); 820466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 821466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora b += 4; // beginning of q0 822466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(b, b + 8 * stride, stride, &q0, &q1, &t1, &t2); // q0, q1, q2, q3 823466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t2, t1, q1, q0, mask); 824466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 825466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask); 826466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter4(&p1, &p0, &q0, &q1, &mask, hev_thresh); 827466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 828466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora b -= 2; // beginning of p1 829466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store16x4(b, b + 8 * stride, stride, &p1, &p0, &q0, &q1); 830466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 831466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p += 4; 832466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 833466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 834466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 835466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// 8-pixels wide variant, for chroma filtering 836466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void VFilter8SSE2(uint8_t* u, uint8_t* v, int stride, 837466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int thresh, int ithresh, int hev_thresh) { 838466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 839466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, p2, p1, p0, q0, q1, q2; 840466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 841466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load p3, p2, p1, p0 842466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGES4(u - 4 * stride, v - 4 * stride, stride, t1, p2, p1, p0); 843466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t1, p2, p1, p0, mask); 844466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 845466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load q0, q1, q2, q3 846466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGES4(u, v, stride, q0, q1, q2, t1); 847466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t1, q2, q1, q0, mask); 848466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 849466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask); 850466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); 851466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 852466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 853466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p2, u, v, -3 * stride); 854466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p1, u, v, -2 * stride); 855466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p0, u, v, -1 * stride); 856466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q0, u, v, 0 * stride); 857466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q1, u, v, 1 * stride); 858466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q2, u, v, 2 * stride); 859466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 860466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 861466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void HFilter8SSE2(uint8_t* u, uint8_t* v, int stride, 862466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int thresh, int ithresh, int hev_thresh) { 863466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 864466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p3, p2, p1, p0, q0, q1, q2, q3; 865466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 866466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora uint8_t* const tu = u - 4; 867466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora uint8_t* const tv = v - 4; 868466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(tu, tv, stride, &p3, &p2, &p1, &p0); // p3, p2, p1, p0 869466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(p3, p2, p1, p0, mask); 870466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 871466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(u, v, stride, &q0, &q1, &q2, &q3); // q0, q1, q2, q3 872466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(q3, q2, q1, q0, mask); 873466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 874466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask); 875466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); 876466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 877466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store16x4(tu, tv, stride, &p3, &p2, &p1, &p0); 878466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store16x4(u, v, stride, &q0, &q1, &q2, &q3); 879466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 880466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 881466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void VFilter8iSSE2(uint8_t* u, uint8_t* v, int stride, 882466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int thresh, int ithresh, int hev_thresh) { 883466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 884466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2, p1, p0, q0, q1; 885466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 886466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load p3, p2, p1, p0 887466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGES4(u, v, stride, t2, t1, p1, p0); 888466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t2, t1, p1, p0, mask); 889466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 890466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora u += 4 * stride; 891466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora v += 4 * stride; 892466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 893466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load q0, q1, q2, q3 894466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGES4(u, v, stride, q0, q1, t1, t2); 895466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t2, t1, q1, q0, mask); 896466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 897466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask); 898466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter4(&p1, &p0, &q0, &q1, &mask, hev_thresh); 899466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 900466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 901466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p1, u, v, -2 * stride); 902466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p0, u, v, -1 * stride); 903466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q0, u, v, 0 * stride); 904466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q1, u, v, 1 * stride); 905466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 906466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 907466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arorastatic void HFilter8iSSE2(uint8_t* u, uint8_t* v, int stride, 908466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int thresh, int ithresh, int hev_thresh) { 909466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 910466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2, p1, p0, q0, q1; 911466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(u, v, stride, &t2, &t1, &p1, &p0); // p3, p2, p1, p0 912466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t2, t1, p1, p0, mask); 913466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 914466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora u += 4; // beginning of q0 915466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora v += 4; 916466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(u, v, stride, &q0, &q1, &t1, &t2); // q0, q1, q2, q3 917466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t2, t1, q1, q0, mask); 918466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 919466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora COMPLEX_FL_MASK(p1, p0, q0, q1, thresh, ithresh, mask); 920466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter4(&p1, &p0, &q0, &q1, &mask, hev_thresh); 921466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 922466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora u -= 2; // beginning of p1 923466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora v -= 2; 924466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Store16x4(u, v, stride, &p1, &p0, &q0, &q1); 925466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 926466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 9271e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora#endif // WEBP_USE_SSE2 9281e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora 9291e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora//------------------------------------------------------------------------------ 9301e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora// Entry point 9311e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora 932466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Aroraextern void VP8DspInitSSE2(void); 933466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 934466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Aroravoid VP8DspInitSSE2(void) { 9351e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora#if defined(WEBP_USE_SSE2) 936466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8Transform = TransformSSE2; 9378b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora#if defined(USE_TRANSFORM_AC3) 9388b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora VP8TransformAC3 = TransformAC3SSE2; 9398b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora#endif 940466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 941466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8VFilter16 = VFilter16SSE2; 942466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8HFilter16 = HFilter16SSE2; 943466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8VFilter8 = VFilter8SSE2; 944466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8HFilter8 = HFilter8SSE2; 945466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8VFilter16i = VFilter16iSSE2; 946466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8HFilter16i = HFilter16iSSE2; 947466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8VFilter8i = VFilter8iSSE2; 948466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8HFilter8i = HFilter8iSSE2; 949466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 950466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8SimpleVFilter16 = SimpleVFilter16SSE2; 951466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8SimpleHFilter16 = SimpleHFilter16SSE2; 952466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8SimpleVFilter16i = SimpleVFilter16iSSE2; 953466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora VP8SimpleHFilter16i = SimpleHFilter16iSSE2; 9541e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora#endif // WEBP_USE_SSE2 955466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 956466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 957