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 29af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void Transform(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) 249af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void TransformAC3(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 301af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora// Shift each byte of "x" by 3 bits while preserving by the sign bit. 302af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void SignedShift8b(__m128i* const x) { 303af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i zero = _mm_setzero_si128(); 304af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i signs = _mm_cmpgt_epi8(zero, *x); 305af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i lo_0 = _mm_unpacklo_epi8(*x, signs); // s8 -> s16 sign extend 306af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i hi_0 = _mm_unpackhi_epi8(*x, signs); 307af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i lo_1 = _mm_srai_epi16(lo_0, 3); 308af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i hi_1 = _mm_srai_epi16(hi_0, 3); 309af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *x = _mm_packs_epi16(lo_1, hi_1); 310466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 311466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 312466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define FLIP_SIGN_BIT2(a, b) { \ 313466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora a = _mm_xor_si128(a, sign_bit); \ 314466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora b = _mm_xor_si128(b, sign_bit); \ 315466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 316466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 317466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define FLIP_SIGN_BIT4(a, b, c, d) { \ 318466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(a, b); \ 319466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(c, d); \ 320466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 321466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 322af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora// input/output is uint8_t 323af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void GetNotHEV(const __m128i* const p1, 324af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const p0, 325af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q0, 326af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q1, 327af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int hev_thresh, __m128i* const not_hev) { 328af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i zero = _mm_setzero_si128(); 329af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t_1 = MM_ABS(*p1, *p0); 330af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t_2 = MM_ABS(*q1, *q0); 331af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 332af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i h = _mm_set1_epi8(hev_thresh); 333af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t_3 = _mm_subs_epu8(t_1, h); // abs(p1 - p0) - hev_tresh 334af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t_4 = _mm_subs_epu8(t_2, h); // abs(q1 - q0) - hev_tresh 335af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 336af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *not_hev = _mm_or_si128(t_3, t_4); 337af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *not_hev = _mm_cmpeq_epi8(*not_hev, zero); // not_hev <= t1 && not_hev <= t2 338af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora} 339af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 340af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora// input pixels are int8_t 341af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void GetBaseDelta(const __m128i* const p1, 342af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const p0, 343af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q0, 344af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q1, 345af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const delta) { 346af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora // beware of addition order, for saturation! 347af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i p1_q1 = _mm_subs_epi8(*p1, *q1); // p1 - q1 348af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i q0_p0 = _mm_subs_epi8(*q0, *p0); // q0 - p0 349af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i s1 = _mm_adds_epi8(p1_q1, q0_p0); // p1 - q1 + 1 * (q0 - p0) 350af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i s2 = _mm_adds_epi8(q0_p0, s1); // p1 - q1 + 2 * (q0 - p0) 351af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i s3 = _mm_adds_epi8(q0_p0, s2); // p1 - q1 + 3 * (q0 - p0) 352af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *delta = s3; 353af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora} 354af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 355af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora// input and output are int8_t 356af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void DoSimpleFilter(__m128i* const p0, __m128i* const q0, 357af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const fl) { 358af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i k3 = _mm_set1_epi8(3); 359af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i k4 = _mm_set1_epi8(4); 360af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i v3 = _mm_adds_epi8(*fl, k3); 361af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i v4 = _mm_adds_epi8(*fl, k4); 362af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 363af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora SignedShift8b(&v4); // v4 >> 3 364af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora SignedShift8b(&v3); // v3 >> 3 365af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *q0 = _mm_subs_epi8(*q0, v4); // q0 -= v4 366af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *p0 = _mm_adds_epi8(*p0, v3); // p0 += v3 367466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 368466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 369466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Updates values of 2 pixels at MB edge during complex filtering. 370466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Update operations: 3711e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora// q = q - delta and p = p + delta; where delta = [(a_hi >> 7), (a_lo >> 7)] 372af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora// Pixels 'pi' and 'qi' are int8_t on input, uint8_t on output (sign flip). 373af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void Update2Pixels(__m128i* const pi, __m128i* const qi, 374af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const a0_lo, 375af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const a0_hi) { 376af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i a1_lo = _mm_srai_epi16(*a0_lo, 7); 377af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i a1_hi = _mm_srai_epi16(*a0_hi, 7); 378af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i delta = _mm_packs_epi16(a1_lo, a1_hi); 379af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i sign_bit = _mm_set1_epi8(0x80); 380af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *pi = _mm_adds_epi8(*pi, delta); 381af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *qi = _mm_subs_epi8(*qi, delta); 382af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora FLIP_SIGN_BIT2(*pi, *qi); 383466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 384466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 385af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora// input pixels are uint8_t 386af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void NeedsFilter(const __m128i* const p1, 387af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const p0, 388af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q0, 389af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q1, 390af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, __m128i* const mask) { 391af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i m_thresh = _mm_set1_epi8(thresh); 392af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t1 = MM_ABS(*p1, *q1); // abs(p1 - q1) 393af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i kFE = _mm_set1_epi8(0xFE); 394af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t2 = _mm_and_si128(t1, kFE); // set lsb of each byte to zero 395af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t3 = _mm_srli_epi16(t2, 1); // abs(p1 - q1) / 2 396466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 397af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t4 = MM_ABS(*p0, *q0); // abs(p0 - q0) 398af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t5 = _mm_adds_epu8(t4, t4); // abs(p0 - q0) * 2 399af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t6 = _mm_adds_epu8(t5, t3); // abs(p0-q0)*2 + abs(p1-q1)/2 400466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 401af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i t7 = _mm_subs_epu8(t6, m_thresh); // mask <= m_thresh 402af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *mask = _mm_cmpeq_epi8(t7, _mm_setzero_si128()); 403466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 404466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 405a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora//------------------------------------------------------------------------------ 406466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Edge filtering functions 407466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 408466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Applies filter on 2 pixels (p0 and q0) 409af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void DoFilter2(__m128i* const p1, __m128i* const p0, 410af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const q0, __m128i* const q1, 411af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh) { 412466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i a, mask; 413466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i sign_bit = _mm_set1_epi8(0x80); 414af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora // convert p1/q1 to int8_t (for GetBaseDelta) 415466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i p1s = _mm_xor_si128(*p1, sign_bit); 416466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i q1s = _mm_xor_si128(*q1, sign_bit); 417466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 418466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora NeedsFilter(p1, p0, q0, q1, thresh, &mask); 419466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 420466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(*p0, *q0); 421af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora GetBaseDelta(&p1s, p0, q0, &q1s, &a); 422466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora a = _mm_and_si128(a, mask); // mask filter values we don't care about 423af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora DoSimpleFilter(p0, q0, &a); 424466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(*p0, *q0); 425466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 426466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 427466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Applies filter on 4 pixels (p1, p0, q0 and q1) 428af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void DoFilter4(__m128i* const p1, __m128i* const p0, 429af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const q0, __m128i* const q1, 430af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const mask, int hev_thresh) { 431af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i sign_bit = _mm_set1_epi8(0x80); 432af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i k64 = _mm_set1_epi8(0x40); 433af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i zero = _mm_setzero_si128(); 434466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i not_hev; 435466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2, t3; 436466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 437466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // compute hev mask 438af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora GetNotHEV(p1, p0, q0, q1, hev_thresh, ¬_hev); 439466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 440466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // convert to signed values 441466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1); 442466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 443466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_subs_epi8(*p1, *q1); // p1 - q1 444466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_andnot_si128(not_hev, t1); // hev(p1 - q1) 445466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_subs_epi8(*q0, *p0); // q0 - p0 446466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 1 * (q0 - p0) 447466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 2 * (q0 - p0) 448466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_adds_epi8(t1, t2); // hev(p1 - q1) + 3 * (q0 - p0) 449466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_and_si128(t1, *mask); // mask filter values we don't care about 450466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 451466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_set1_epi8(3); 452af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora t3 = _mm_set1_epi8(4); 453af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora t2 = _mm_adds_epi8(t1, t2); // 3 * (q0 - p0) + (p1 - q1) + 3 454af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora t3 = _mm_adds_epi8(t1, t3); // 3 * (q0 - p0) + (p1 - q1) + 4 455af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora SignedShift8b(&t2); // (3 * (q0 - p0) + hev(p1 - q1) + 3) >> 3 456af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora SignedShift8b(&t3); // (3 * (q0 - p0) + hev(p1 - q1) + 4) >> 3 457466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p0 = _mm_adds_epi8(*p0, t2); // p0 += t2 458af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *q0 = _mm_subs_epi8(*q0, t3); // q0 -= t3 459af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora FLIP_SIGN_BIT2(*p0, *q0); 460466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 461af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora // this is equivalent to signed (a + 1) >> 1 calculation 462af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora t2 = _mm_add_epi8(t3, sign_bit); 463af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora t3 = _mm_avg_epu8(t2, zero); 464af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora t3 = _mm_sub_epi8(t3, k64); 465466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 466466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t3 = _mm_and_si128(not_hev, t3); // if !hev 467466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q1 = _mm_subs_epi8(*q1, t3); // q1 -= t3 468466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p1 = _mm_adds_epi8(*p1, t3); // p1 += t3 469af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora FLIP_SIGN_BIT2(*p1, *q1); 470466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 471466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 472466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Applies filter on 6 pixels (p2, p1, p0, q0, q1 and q2) 473af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void DoFilter6(__m128i* const p2, __m128i* const p1, 474af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const p0, __m128i* const q0, 475af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const q1, __m128i* const q2, 476af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const mask, int hev_thresh) { 477af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i zero = _mm_setzero_si128(); 478466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i sign_bit = _mm_set1_epi8(0x80); 479af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i a, not_hev; 480466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 481466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // compute hev mask 482af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora GetNotHEV(p1, p0, q0, q1, hev_thresh, ¬_hev); 483466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 484466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT4(*p1, *p0, *q0, *q1); 485466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora FLIP_SIGN_BIT2(*p2, *q2); 486af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora GetBaseDelta(p1, p0, q0, q1, &a); 487466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 488466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora { // do simple filter on pixels with hev 489466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i m = _mm_andnot_si128(not_hev, *mask); 490466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f = _mm_and_si128(a, m); 491af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora DoSimpleFilter(p0, q0, &f); 492466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 493af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 494466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora { // do strong filter on pixels with not hev 495af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i k9 = _mm_set1_epi16(0x0900); 496af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i k63 = _mm_set1_epi16(63); 497466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 498466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i m = _mm_and_si128(not_hev, *mask); 499466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f = _mm_and_si128(a, m); 500af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 501466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f_lo = _mm_unpacklo_epi8(zero, f); 502466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora const __m128i f_hi = _mm_unpackhi_epi8(zero, f); 503466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 504af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i f9_lo = _mm_mulhi_epi16(f_lo, k9); // Filter (lo) * 9 505af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i f9_hi = _mm_mulhi_epi16(f_hi, k9); // Filter (hi) * 9 506466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 507af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i a2_lo = _mm_add_epi16(f9_lo, k63); // Filter * 9 + 63 508af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i a2_hi = _mm_add_epi16(f9_hi, k63); // Filter * 9 + 63 509466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 510af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i a1_lo = _mm_add_epi16(a2_lo, f9_lo); // Filter * 18 + 63 511af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i a1_hi = _mm_add_epi16(a2_hi, f9_hi); // Filter * 18 + 63 512466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 513af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i a0_lo = _mm_add_epi16(a1_lo, f9_lo); // Filter * 27 + 63 514af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i a0_hi = _mm_add_epi16(a1_hi, f9_hi); // Filter * 27 + 63 515466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 516af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Update2Pixels(p2, q2, &a2_lo, &a2_hi); 517af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Update2Pixels(p1, q1, &a1_lo, &a1_hi); 518af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Update2Pixels(p0, q0, &a0_lo, &a0_hi); 519466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 520466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 521466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 522466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// reads 8 rows across a vertical edge. 523466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// 524466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// TODO(somnath): Investigate _mm_shuffle* also see if it can be broken into 525466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// two Load4x4() to avoid code duplication. 526af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void Load8x4(const uint8_t* const b, int stride, 527af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const p, __m128i* const q) { 528466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2; 529466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 530466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load 0th, 1st, 4th and 5th rows 531466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i r0 = _mm_cvtsi32_si128(*((int*)&b[0 * stride])); // 03 02 01 00 532466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i r1 = _mm_cvtsi32_si128(*((int*)&b[1 * stride])); // 13 12 11 10 533466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i r4 = _mm_cvtsi32_si128(*((int*)&b[4 * stride])); // 43 42 41 40 534466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i r5 = _mm_cvtsi32_si128(*((int*)&b[5 * stride])); // 53 52 51 50 535466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 536466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 = _mm_unpacklo_epi32(r0, r4); // 43 42 41 40 03 02 01 00 537466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r1 = _mm_unpacklo_epi32(r1, r5); // 53 52 51 50 13 12 11 10 538466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 539466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // t1 = 53 43 52 42 51 41 50 40 13 03 12 02 11 01 10 00 540466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_unpacklo_epi8(r0, r1); 541466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 542466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load 2nd, 3rd, 6th and 7th rows 543466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 = _mm_cvtsi32_si128(*((int*)&b[2 * stride])); // 23 22 21 22 544466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r1 = _mm_cvtsi32_si128(*((int*)&b[3 * stride])); // 33 32 31 30 545466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r4 = _mm_cvtsi32_si128(*((int*)&b[6 * stride])); // 63 62 61 60 546466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r5 = _mm_cvtsi32_si128(*((int*)&b[7 * stride])); // 73 72 71 70 547466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 548466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 = _mm_unpacklo_epi32(r0, r4); // 63 62 61 60 23 22 21 20 549466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r1 = _mm_unpacklo_epi32(r1, r5); // 73 72 71 70 33 32 31 30 550466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 551466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // t2 = 73 63 72 62 71 61 70 60 33 23 32 22 31 21 30 20 552466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_unpacklo_epi8(r0, r1); 553466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 554466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // t1 = 33 23 13 03 32 22 12 02 31 21 11 01 30 20 10 00 555466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // t2 = 73 63 53 43 72 62 52 42 71 61 51 41 70 60 50 40 556466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 = t1; 557466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = _mm_unpacklo_epi16(t1, t2); 558466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = _mm_unpackhi_epi16(r0, t2); 559466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 560466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // *p = 71 61 51 41 31 21 11 01 70 60 50 40 30 20 10 00 561466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // *q = 73 63 53 43 33 23 13 03 72 62 52 42 32 22 12 02 562466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p = _mm_unpacklo_epi32(t1, t2); 563466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q = _mm_unpackhi_epi32(t1, t2); 564466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 565466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 566af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void Load16x4(const uint8_t* const r0, 567af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const uint8_t* const r8, 568a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora int stride, 569af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const p1, __m128i* const p0, 570af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const q0, __m128i* const q1) { 571466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2; 572466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Assume the pixels around the edge (|) are numbered as follows 573466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // 00 01 | 02 03 574466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // 10 11 | 12 13 575466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // ... | ... 576466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // e0 e1 | e2 e3 577466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // f0 f1 | f2 f3 578466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // 579466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // r0 is pointing to the 0th row (00) 580466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // r8 is pointing to the 8th row (80) 581466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 582466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load 583466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p1 = 71 61 51 41 31 21 11 01 70 60 50 40 30 20 10 00 584466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q0 = 73 63 53 43 33 23 13 03 72 62 52 42 32 22 12 02 585466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p0 = f1 e1 d1 c1 b1 a1 91 81 f0 e0 d0 c0 b0 a0 90 80 586466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q1 = f3 e3 d3 c3 b3 a3 93 83 f2 e2 d2 c2 b2 a2 92 82 587466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load8x4(r0, stride, p1, q0); 588466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load8x4(r8, stride, p0, q1); 589466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 590466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = *p1; 591466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t2 = *q0; 592466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p1 = f0 e0 d0 c0 b0 a0 90 80 70 60 50 40 30 20 10 00 593466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p0 = f1 e1 d1 c1 b1 a1 91 81 71 61 51 41 31 21 11 01 594466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q0 = f2 e2 d2 c2 b2 a2 92 82 72 62 52 42 32 22 12 02 595466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q1 = f3 e3 d3 c3 b3 a3 93 83 73 63 53 43 33 23 13 03 596466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p1 = _mm_unpacklo_epi64(t1, *p0); 597466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *p0 = _mm_unpackhi_epi64(t1, *p0); 598466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q0 = _mm_unpacklo_epi64(t2, *q1); 599466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *q1 = _mm_unpackhi_epi64(t2, *q1); 600466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 601466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 602af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void Store4x4(__m128i* const x, uint8_t* dst, int stride) { 603466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int i; 604466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (i = 0; i < 4; ++i, dst += stride) { 605466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *((int32_t*)dst) = _mm_cvtsi128_si32(*x); 606466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora *x = _mm_srli_si128(*x, 4); 607466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 608466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 609466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 610466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Transpose back and store 611af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void Store16x4(const __m128i* const p1, 612af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const p0, 613af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q0, 614af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q1, 615af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora uint8_t* r0, uint8_t* r8, 616af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int stride) { 617af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i t1, p1_s, p0_s, q0_s, q1_s; 618466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 619466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p0 = 71 70 61 60 51 50 41 40 31 30 21 20 11 10 01 00 620466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p1 = f1 f0 e1 e0 d1 d0 c1 c0 b1 b0 a1 a0 91 90 81 80 621466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = *p0; 622af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p0_s = _mm_unpacklo_epi8(*p1, t1); 623af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p1_s = _mm_unpackhi_epi8(*p1, t1); 624466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 625466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q0 = 73 72 63 62 53 52 43 42 33 32 23 22 13 12 03 02 626466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q1 = f3 f2 e3 e2 d3 d2 c3 c2 b3 b2 a3 a2 93 92 83 82 627466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora t1 = *q0; 628af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora q0_s = _mm_unpacklo_epi8(t1, *q1); 629af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora q1_s = _mm_unpackhi_epi8(t1, *q1); 630466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 631466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p0 = 33 32 31 30 23 22 21 20 13 12 11 10 03 02 01 00 632466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q0 = 73 72 71 70 63 62 61 60 53 52 51 50 43 42 41 40 633af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora t1 = p0_s; 634af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p0_s = _mm_unpacklo_epi16(t1, q0_s); 635af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora q0_s = _mm_unpackhi_epi16(t1, q0_s); 636466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 637466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // p1 = b3 b2 b1 b0 a3 a2 a1 a0 93 92 91 90 83 82 81 80 638466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // q1 = f3 f2 f1 f0 e3 e2 e1 e0 d3 d2 d1 d0 c3 c2 c1 c0 639af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora t1 = p1_s; 640af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p1_s = _mm_unpacklo_epi16(t1, q1_s); 641af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora q1_s = _mm_unpackhi_epi16(t1, q1_s); 642466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 643af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store4x4(&p0_s, r0, stride); 644466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r0 += 4 * stride; 645af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store4x4(&q0_s, r0, stride); 646466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 647af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store4x4(&p1_s, r8, stride); 648466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora r8 += 4 * stride; 649af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store4x4(&q1_s, r8, stride); 650466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 651466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 652a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora//------------------------------------------------------------------------------ 653466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Simple In-loop filtering (Paragraph 15.2) 654466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 655af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void SimpleVFilter16(uint8_t* p, int stride, int thresh) { 656466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load 657466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p1 = _mm_loadu_si128((__m128i*)&p[-2 * stride]); 658466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p0 = _mm_loadu_si128((__m128i*)&p[-stride]); 659466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i q0 = _mm_loadu_si128((__m128i*)&p[0]); 660466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i q1 = _mm_loadu_si128((__m128i*)&p[stride]); 661466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 662466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter2(&p1, &p0, &q0, &q1, thresh); 663466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 664466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 665466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-stride], p0); 666af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora _mm_storeu_si128((__m128i*)&p[0], q0); 667466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 668466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 669af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void SimpleHFilter16(uint8_t* p, int stride, int thresh) { 670466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p1, p0, q0, q1; 671466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 672466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p -= 2; // beginning of p1 673466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 674af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Load16x4(p, p + 8 * stride, stride, &p1, &p0, &q0, &q1); 675466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter2(&p1, &p0, &q0, &q1, thresh); 676af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store16x4(&p1, &p0, &q0, &q1, p, p + 8 * stride, stride); 677466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 678466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 679af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void SimpleVFilter16i(uint8_t* p, int stride, int thresh) { 680466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int k; 681466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (k = 3; k > 0; --k) { 682466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p += 4 * stride; 683af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora SimpleVFilter16(p, stride, thresh); 684466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 685466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 686466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 687af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void SimpleHFilter16i(uint8_t* p, int stride, int thresh) { 688466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int k; 689466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (k = 3; k > 0; --k) { 690466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p += 4; 691af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora SimpleHFilter16(p, stride, thresh); 692466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 693466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 694466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 695a2415724fb3466168b2af5b08bd94ba732c0e753Vikas Arora//------------------------------------------------------------------------------ 696466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// Complex In-loop filtering (Paragraph 15.3) 697466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 698af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora#define MAX_DIFF1(p3, p2, p1, p0, m) do { \ 699af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora m = MM_ABS(p1, p0); \ 700af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora m = _mm_max_epu8(m, MM_ABS(p3, p2)); \ 701466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = _mm_max_epu8(m, MM_ABS(p2, p1)); \ 702af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora} while (0) 703466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 704af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora#define MAX_DIFF2(p3, p2, p1, p0, m) do { \ 705af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora m = _mm_max_epu8(m, MM_ABS(p1, p0)); \ 706466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = _mm_max_epu8(m, MM_ABS(p3, p2)); \ 707466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora m = _mm_max_epu8(m, MM_ABS(p2, p1)); \ 708af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora} while (0) 709466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 710466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define LOAD_H_EDGES4(p, stride, e1, e2, e3, e4) { \ 711466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora e1 = _mm_loadu_si128((__m128i*)&(p)[0 * stride]); \ 712466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora e2 = _mm_loadu_si128((__m128i*)&(p)[1 * stride]); \ 713466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora e3 = _mm_loadu_si128((__m128i*)&(p)[2 * stride]); \ 714466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora e4 = _mm_loadu_si128((__m128i*)&(p)[3 * stride]); \ 715466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 716466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 717af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora#define LOADUV_H_EDGE(p, u, v, stride) do { \ 718af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i U = _mm_loadl_epi64((__m128i*)&(u)[(stride)]); \ 719af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i V = _mm_loadl_epi64((__m128i*)&(v)[(stride)]); \ 720af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p = _mm_unpacklo_epi64(U, V); \ 721af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora} while (0) 722466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 723466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define LOADUV_H_EDGES4(u, v, stride, e1, e2, e3, e4) { \ 724466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGE(e1, u, v, 0 * stride); \ 725466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGE(e2, u, v, 1 * stride); \ 726466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGE(e3, u, v, 2 * stride); \ 727466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGE(e4, u, v, 3 * stride); \ 728466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 729466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 730466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora#define STOREUV(p, u, v, stride) { \ 731466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storel_epi64((__m128i*)&u[(stride)], p); \ 732466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p = _mm_srli_si128(p, 8); \ 733466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storel_epi64((__m128i*)&v[(stride)], p); \ 734466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 735466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 736af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic WEBP_INLINE void ComplexMask(const __m128i* const p1, 737af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const p0, 738af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q0, 739af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i* const q1, 740af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, 741af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i* const mask) { 742af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i it = _mm_set1_epi8(ithresh); 743af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i diff = _mm_subs_epu8(*mask, it); 744af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora const __m128i thresh_mask = _mm_cmpeq_epi8(diff, _mm_setzero_si128()); 745af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i filter_mask; 746af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora NeedsFilter(p1, p0, q0, q1, thresh, &filter_mask); 747af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora *mask = _mm_and_si128(thresh_mask, filter_mask); 748466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 749466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 750466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// on macroblock edges 751af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void VFilter16(uint8_t* p, int stride, 752af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, int hev_thresh) { 753466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1; 754466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 755466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p2, p1, p0, q0, q1, q2; 756466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 757466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load p3, p2, p1, p0 758466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOAD_H_EDGES4(p - 4 * stride, stride, t1, p2, p1, p0); 759466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t1, p2, p1, p0, mask); 760466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 761466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load q0, q1, q2, q3 762466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOAD_H_EDGES4(p, stride, q0, q1, q2, t1); 763466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t1, q2, q1, q0, mask); 764466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 765af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); 766466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); 767466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 768466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 769466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-3 * stride], p2); 770466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-2 * stride], p1); 771466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora _mm_storeu_si128((__m128i*)&p[-1 * stride], p0); 772af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora _mm_storeu_si128((__m128i*)&p[+0 * stride], q0); 773af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora _mm_storeu_si128((__m128i*)&p[+1 * stride], q1); 774af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora _mm_storeu_si128((__m128i*)&p[+2 * stride], q2); 775466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 776466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 777af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void HFilter16(uint8_t* p, int stride, 778af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, int hev_thresh) { 779466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 780466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p3, p2, p1, p0, q0, q1, q2, q3; 781466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 782466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora uint8_t* const b = p - 4; 783466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(b, b + 8 * stride, stride, &p3, &p2, &p1, &p0); // p3, p2, p1, p0 784466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(p3, p2, p1, p0, mask); 785466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 786466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(p, p + 8 * stride, stride, &q0, &q1, &q2, &q3); // q0, q1, q2, q3 787466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(q3, q2, q1, q0, mask); 788466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 789af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); 790466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); 791466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 792af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store16x4(&p3, &p2, &p1, &p0, b, b + 8 * stride, stride); 793af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store16x4(&q0, &q1, &q2, &q3, p, p + 8 * stride, stride); 794466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 795466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 796466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// on three inner edges 797af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void VFilter16i(uint8_t* p, int stride, 798af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, int hev_thresh) { 799466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int k; 800af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i p3, p2, p1, p0; // loop invariants 801466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 802af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora LOAD_H_EDGES4(p, stride, p3, p2, p1, p0); // prologue 803466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 804af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora for (k = 3; k > 0; --k) { 805af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i mask, tmp1, tmp2; 806af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora uint8_t* const b = p + 2 * stride; // beginning of p1 807466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora p += 4 * stride; 808466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 809af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora MAX_DIFF1(p3, p2, p1, p0, mask); // compute partial mask 810af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora LOAD_H_EDGES4(p, stride, p3, p2, tmp1, tmp2); 811af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora MAX_DIFF2(p3, p2, tmp1, tmp2, mask); 812466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 813af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora // p3 and p2 are not just temporary variables here: they will be 814af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora // re-used for next span. And q2/q3 will become p1/p0 accordingly. 815af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora ComplexMask(&p1, &p0, &p3, &p2, thresh, ithresh, &mask); 816af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora DoFilter4(&p1, &p0, &p3, &p2, &mask, hev_thresh); 817466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 818466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 819af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora _mm_storeu_si128((__m128i*)&b[0 * stride], p1); 820af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora _mm_storeu_si128((__m128i*)&b[1 * stride], p0); 821af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora _mm_storeu_si128((__m128i*)&b[2 * stride], p3); 822af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora _mm_storeu_si128((__m128i*)&b[3 * stride], p2); 823af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 824af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora // rotate samples 825af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p1 = tmp1; 826af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p0 = tmp2; 827466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 828466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 829466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 830af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void HFilter16i(uint8_t* p, int stride, 831af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, int hev_thresh) { 832466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora int k; 833af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i p3, p2, p1, p0; // loop invariants 834af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 835af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Load16x4(p, p + 8 * stride, stride, &p3, &p2, &p1, &p0); // prologue 836466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 837466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora for (k = 3; k > 0; --k) { 838af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora __m128i mask, tmp1, tmp2; 839af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora uint8_t* const b = p + 2; // beginning of p1 840466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 841af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p += 4; // beginning of q0 (and next span) 842466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 843af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora MAX_DIFF1(p3, p2, p1, p0, mask); // compute partial mask 844af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Load16x4(p, p + 8 * stride, stride, &p3, &p2, &tmp1, &tmp2); 845af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora MAX_DIFF2(p3, p2, tmp1, tmp2, mask); 846466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 847af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora ComplexMask(&p1, &p0, &p3, &p2, thresh, ithresh, &mask); 848af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora DoFilter4(&p1, &p0, &p3, &p2, &mask, hev_thresh); 849466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 850af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store16x4(&p1, &p0, &p3, &p2, b, b + 8 * stride, stride); 851af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 852af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora // rotate samples 853af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p1 = tmp1; 854af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora p0 = tmp2; 855466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora } 856466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 857466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 858466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora// 8-pixels wide variant, for chroma filtering 859af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void VFilter8(uint8_t* u, uint8_t* v, int stride, 860af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, int hev_thresh) { 861466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 862466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, p2, p1, p0, q0, q1, q2; 863466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 864466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load p3, p2, p1, p0 865466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGES4(u - 4 * stride, v - 4 * stride, stride, t1, p2, p1, p0); 866466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t1, p2, p1, p0, mask); 867466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 868466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load q0, q1, q2, q3 869466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGES4(u, v, stride, q0, q1, q2, t1); 870466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t1, q2, q1, q0, mask); 871466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 872af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); 873466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); 874466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 875466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 876466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p2, u, v, -3 * stride); 877466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p1, u, v, -2 * stride); 878466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p0, u, v, -1 * stride); 879466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q0, u, v, 0 * stride); 880466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q1, u, v, 1 * stride); 881466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q2, u, v, 2 * stride); 882466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 883466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 884af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void HFilter8(uint8_t* u, uint8_t* v, int stride, 885af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, int hev_thresh) { 886466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 887466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i p3, p2, p1, p0, q0, q1, q2, q3; 888466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 889466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora uint8_t* const tu = u - 4; 890466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora uint8_t* const tv = v - 4; 891466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(tu, tv, stride, &p3, &p2, &p1, &p0); // p3, p2, p1, p0 892466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(p3, p2, p1, p0, mask); 893466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 894466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(u, v, stride, &q0, &q1, &q2, &q3); // q0, q1, q2, q3 895466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(q3, q2, q1, q0, mask); 896466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 897af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); 898466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter6(&p2, &p1, &p0, &q0, &q1, &q2, &mask, hev_thresh); 899466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 900af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store16x4(&p3, &p2, &p1, &p0, tu, tv, stride); 901af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store16x4(&q0, &q1, &q2, &q3, u, v, stride); 902466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 903466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 904af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void VFilter8i(uint8_t* u, uint8_t* v, int stride, 905af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, int hev_thresh) { 906466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 907466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2, p1, p0, q0, q1; 908466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 909466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load p3, p2, p1, p0 910466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGES4(u, v, stride, t2, t1, p1, p0); 911466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t2, t1, p1, p0, mask); 912466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 913466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora u += 4 * stride; 914466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora v += 4 * stride; 915466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 916466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Load q0, q1, q2, q3 917466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora LOADUV_H_EDGES4(u, v, stride, q0, q1, t1, t2); 918466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t2, t1, q1, q0, mask); 919466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 920af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); 921466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter4(&p1, &p0, &q0, &q1, &mask, hev_thresh); 922466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 923466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora // Store 924466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p1, u, v, -2 * stride); 925466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(p0, u, v, -1 * stride); 926466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q0, u, v, 0 * stride); 927466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora STOREUV(q1, u, v, 1 * stride); 928466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 929466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 930af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arorastatic void HFilter8i(uint8_t* u, uint8_t* v, int stride, 931af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora int thresh, int ithresh, int hev_thresh) { 932466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i mask; 933466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora __m128i t1, t2, p1, p0, q0, q1; 934466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(u, v, stride, &t2, &t1, &p1, &p0); // p3, p2, p1, p0 935466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF1(t2, t1, p1, p0, mask); 936466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 937466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora u += 4; // beginning of q0 938466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora v += 4; 939466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora Load16x4(u, v, stride, &q0, &q1, &t1, &t2); // q0, q1, q2, q3 940466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora MAX_DIFF2(t2, t1, q1, q0, mask); 941466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 942af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora ComplexMask(&p1, &p0, &q0, &q1, thresh, ithresh, &mask); 943466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora DoFilter4(&p1, &p0, &q0, &q1, &mask, hev_thresh); 944466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 945466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora u -= 2; // beginning of p1 946466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora v -= 2; 947af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora Store16x4(&p1, &p0, &q0, &q1, u, v, stride); 948466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 949466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 9501e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora#endif // WEBP_USE_SSE2 9511e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora 9521e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora//------------------------------------------------------------------------------ 9531e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora// Entry point 9541e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora 955466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Aroraextern void VP8DspInitSSE2(void); 956466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 957466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Aroravoid VP8DspInitSSE2(void) { 9581e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora#if defined(WEBP_USE_SSE2) 959af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8Transform = Transform; 9608b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora#if defined(USE_TRANSFORM_AC3) 961af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8TransformAC3 = TransformAC3; 9628b720228d581a84fd173b6dcb2fa295b59db489aVikas Arora#endif 963466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora 964af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8VFilter16 = VFilter16; 965af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8HFilter16 = HFilter16; 966af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8VFilter8 = VFilter8; 967af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8HFilter8 = HFilter8; 968af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8VFilter16i = VFilter16i; 969af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8HFilter16i = HFilter16i; 970af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8VFilter8i = VFilter8i; 971af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8HFilter8i = HFilter8i; 972af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora 973af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8SimpleVFilter16 = SimpleVFilter16; 974af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8SimpleHFilter16 = SimpleHFilter16; 975af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8SimpleVFilter16i = SimpleVFilter16i; 976af51b94a435132e9014c324e25fb686b3d07a8c8Vikas Arora VP8SimpleHFilter16i = SimpleHFilter16i; 9771e7bf8805bd030c19924a5306837ecd72c295751Vikas Arora#endif // WEBP_USE_SSE2 978466727975bcc57c0c5597bcd0747a2fe4777b303Vikas Arora} 979