133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// Copyright 2014 Google Inc. All Rights Reserved. 233f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// 333f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// Use of this source code is governed by a BSD-style license 433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// that can be found in the COPYING file in the root of the source 533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// tree. An additional intellectual property rights grant can be found 633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// in the file PATENTS. All contributing project authors may 733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// be found in the AUTHORS file in the root of the source tree. 833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// ----------------------------------------------------------------------------- 933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// 1033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// YUV->RGB conversion functions 1133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// 1233f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// Author: Skal (pascal.massimino@gmail.com) 1333f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 1433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora#include "./yuv.h" 1533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 1633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora#if defined(WEBP_USE_SSE2) 1733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 18fa39824bb690c5806358871f46940d0450973d8aJames Zern#include "./common_sse2.h" 19fa39824bb690c5806358871f46940d0450973d8aJames Zern#include <stdlib.h> 2033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora#include <emmintrin.h> 2133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 227c8da7ce66017295a65ec028084b90800be377f8James Zern//----------------------------------------------------------------------------- 237c8da7ce66017295a65ec028084b90800be377f8James Zern// Convert spans of 32 pixels to various RGB formats for the fancy upsampler. 2433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 257c8da7ce66017295a65ec028084b90800be377f8James Zern// These constants are 14b fixed-point version of ITU-R BT.601 constants. 267c8da7ce66017295a65ec028084b90800be377f8James Zern// R = (19077 * y + 26149 * v - 14234) >> 6 277c8da7ce66017295a65ec028084b90800be377f8James Zern// G = (19077 * y - 6419 * u - 13320 * v + 8708) >> 6 287c8da7ce66017295a65ec028084b90800be377f8James Zern// B = (19077 * y + 33050 * u - 17685) >> 6 297c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void ConvertYUV444ToRGB(const __m128i* const Y0, 307c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const U0, 317c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const V0, 327c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const R, 337c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const G, 347c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const B) { 357c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i k19077 = _mm_set1_epi16(19077); 367c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i k26149 = _mm_set1_epi16(26149); 377c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i k14234 = _mm_set1_epi16(14234); 380912efc2528d03c59d45dd9bdc9ff9ec800a3fc1James Zern // 33050 doesn't fit in a signed short: only use this with unsigned arithmetic 390912efc2528d03c59d45dd9bdc9ff9ec800a3fc1James Zern const __m128i k33050 = _mm_set1_epi16((short)33050); 407c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i k17685 = _mm_set1_epi16(17685); 417c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i k6419 = _mm_set1_epi16(6419); 427c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i k13320 = _mm_set1_epi16(13320); 437c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i k8708 = _mm_set1_epi16(8708); 447c8da7ce66017295a65ec028084b90800be377f8James Zern 457c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i Y1 = _mm_mulhi_epu16(*Y0, k19077); 467c8da7ce66017295a65ec028084b90800be377f8James Zern 477c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i R0 = _mm_mulhi_epu16(*V0, k26149); 487c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i R1 = _mm_sub_epi16(Y1, k14234); 497c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i R2 = _mm_add_epi16(R1, R0); 507c8da7ce66017295a65ec028084b90800be377f8James Zern 517c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i G0 = _mm_mulhi_epu16(*U0, k6419); 527c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i G1 = _mm_mulhi_epu16(*V0, k13320); 537c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i G2 = _mm_add_epi16(Y1, k8708); 547c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i G3 = _mm_add_epi16(G0, G1); 557c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i G4 = _mm_sub_epi16(G2, G3); 567c8da7ce66017295a65ec028084b90800be377f8James Zern 577c8da7ce66017295a65ec028084b90800be377f8James Zern // be careful with the saturated *unsigned* arithmetic here! 587c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i B0 = _mm_mulhi_epu16(*U0, k33050); 597c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i B1 = _mm_adds_epu16(B0, Y1); 607c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i B2 = _mm_subs_epu16(B1, k17685); 617c8da7ce66017295a65ec028084b90800be377f8James Zern 627c8da7ce66017295a65ec028084b90800be377f8James Zern // use logical shift for B2, which can be larger than 32767 637c8da7ce66017295a65ec028084b90800be377f8James Zern *R = _mm_srai_epi16(R2, 6); // range: [-14234, 30815] 647c8da7ce66017295a65ec028084b90800be377f8James Zern *G = _mm_srai_epi16(G4, 6); // range: [-10953, 27710] 657c8da7ce66017295a65ec028084b90800be377f8James Zern *B = _mm_srli_epi16(B2, 6); // range: [0, 34238] 6633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 6733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 687c8da7ce66017295a65ec028084b90800be377f8James Zern// Load the bytes into the *upper* part of 16b words. That's "<< 8", basically. 697c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE __m128i Load_HI_16(const uint8_t* src) { 707c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i zero = _mm_setzero_si128(); 717c8da7ce66017295a65ec028084b90800be377f8James Zern return _mm_unpacklo_epi8(zero, _mm_loadl_epi64((const __m128i*)src)); 727c8da7ce66017295a65ec028084b90800be377f8James Zern} 7333f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 747c8da7ce66017295a65ec028084b90800be377f8James Zern// Load and replicate the U/V samples 757c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE __m128i Load_UV_HI_8(const uint8_t* src) { 767c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i zero = _mm_setzero_si128(); 777c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i tmp0 = _mm_cvtsi32_si128(*(const uint32_t*)src); 787c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i tmp1 = _mm_unpacklo_epi8(zero, tmp0); 797c8da7ce66017295a65ec028084b90800be377f8James Zern return _mm_unpacklo_epi16(tmp1, tmp1); // replicate samples 807c8da7ce66017295a65ec028084b90800be377f8James Zern} 8133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 827c8da7ce66017295a65ec028084b90800be377f8James Zern// Convert 32 samples of YUV444 to R/G/B 837c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void YUV444ToRGB(const uint8_t* const y, 847c8da7ce66017295a65ec028084b90800be377f8James Zern const uint8_t* const u, 857c8da7ce66017295a65ec028084b90800be377f8James Zern const uint8_t* const v, 867c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const R, __m128i* const G, __m128i* const B) { 877c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i Y0 = Load_HI_16(y), U0 = Load_HI_16(u), V0 = Load_HI_16(v); 887c8da7ce66017295a65ec028084b90800be377f8James Zern ConvertYUV444ToRGB(&Y0, &U0, &V0, R, G, B); 8933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 9033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 917c8da7ce66017295a65ec028084b90800be377f8James Zern// Convert 32 samples of YUV420 to R/G/B 927c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void YUV420ToRGB(const uint8_t* const y, 937c8da7ce66017295a65ec028084b90800be377f8James Zern const uint8_t* const u, 947c8da7ce66017295a65ec028084b90800be377f8James Zern const uint8_t* const v, 957c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const R, __m128i* const G, __m128i* const B) { 967c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i Y0 = Load_HI_16(y), U0 = Load_UV_HI_8(u), V0 = Load_UV_HI_8(v); 977c8da7ce66017295a65ec028084b90800be377f8James Zern ConvertYUV444ToRGB(&Y0, &U0, &V0, R, G, B); 9833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 9933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 1007c8da7ce66017295a65ec028084b90800be377f8James Zern// Pack R/G/B/A results into 32b output. 1017c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void PackAndStore4(const __m128i* const R, 1027c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const G, 1037c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const B, 1047c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const A, 1057c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* const dst) { 1067c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rb = _mm_packus_epi16(*R, *B); 1077c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i ga = _mm_packus_epi16(*G, *A); 1087c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rg = _mm_unpacklo_epi8(rb, ga); 1097c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i ba = _mm_unpackhi_epi8(rb, ga); 1107c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i RGBA_lo = _mm_unpacklo_epi16(rg, ba); 1117c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i RGBA_hi = _mm_unpackhi_epi16(rg, ba); 1127c8da7ce66017295a65ec028084b90800be377f8James Zern _mm_storeu_si128((__m128i*)(dst + 0), RGBA_lo); 1137c8da7ce66017295a65ec028084b90800be377f8James Zern _mm_storeu_si128((__m128i*)(dst + 16), RGBA_hi); 11433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 11533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 1167c8da7ce66017295a65ec028084b90800be377f8James Zern// Pack R/G/B/A results into 16b output. 1177c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void PackAndStore4444(const __m128i* const R, 1187c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const G, 1197c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const B, 1207c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const A, 1217c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* const dst) { 1227c8da7ce66017295a65ec028084b90800be377f8James Zern#if !defined(WEBP_SWAP_16BIT_CSP) 1237c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rg0 = _mm_packus_epi16(*R, *G); 1247c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i ba0 = _mm_packus_epi16(*B, *A); 1257c8da7ce66017295a65ec028084b90800be377f8James Zern#else 1267c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rg0 = _mm_packus_epi16(*B, *A); 1277c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i ba0 = _mm_packus_epi16(*R, *G); 1287c8da7ce66017295a65ec028084b90800be377f8James Zern#endif 1297c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i mask_0xf0 = _mm_set1_epi8(0xf0); 1307c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rb1 = _mm_unpacklo_epi8(rg0, ba0); // rbrbrbrbrb... 1317c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i ga1 = _mm_unpackhi_epi8(rg0, ba0); // gagagagaga... 1327c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rb2 = _mm_and_si128(rb1, mask_0xf0); 1337c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i ga2 = _mm_srli_epi16(_mm_and_si128(ga1, mask_0xf0), 4); 1347c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rgba4444 = _mm_or_si128(rb2, ga2); 1357c8da7ce66017295a65ec028084b90800be377f8James Zern _mm_storeu_si128((__m128i*)dst, rgba4444); 13633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 13733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 1387c8da7ce66017295a65ec028084b90800be377f8James Zern// Pack R/G/B results into 16b output. 1397c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void PackAndStore565(const __m128i* const R, 1407c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const G, 1417c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const B, 1427c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* const dst) { 1437c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i r0 = _mm_packus_epi16(*R, *R); 1447c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i g0 = _mm_packus_epi16(*G, *G); 1457c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i b0 = _mm_packus_epi16(*B, *B); 1467c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i r1 = _mm_and_si128(r0, _mm_set1_epi8(0xf8)); 1477c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i b1 = _mm_and_si128(_mm_srli_epi16(b0, 3), _mm_set1_epi8(0x1f)); 1487c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i g1 = _mm_srli_epi16(_mm_and_si128(g0, _mm_set1_epi8(0xe0)), 5); 1497c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i g2 = _mm_slli_epi16(_mm_and_si128(g0, _mm_set1_epi8(0x1c)), 3); 1507c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rg = _mm_or_si128(r1, g1); 1517c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i gb = _mm_or_si128(g2, b1); 1527c8da7ce66017295a65ec028084b90800be377f8James Zern#if !defined(WEBP_SWAP_16BIT_CSP) 1537c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rgb565 = _mm_unpacklo_epi8(rg, gb); 1547c8da7ce66017295a65ec028084b90800be377f8James Zern#else 1557c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i rgb565 = _mm_unpacklo_epi8(gb, rg); 1567c8da7ce66017295a65ec028084b90800be377f8James Zern#endif 1577c8da7ce66017295a65ec028084b90800be377f8James Zern _mm_storeu_si128((__m128i*)dst, rgb565); 15833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 15933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 1607c8da7ce66017295a65ec028084b90800be377f8James Zern// Pack the planar buffers 1617c8da7ce66017295a65ec028084b90800be377f8James Zern// rrrr... rrrr... gggg... gggg... bbbb... bbbb.... 1627c8da7ce66017295a65ec028084b90800be377f8James Zern// triplet by triplet in the output buffer rgb as rgbrgbrgbrgb ... 163fa39824bb690c5806358871f46940d0450973d8aJames Zernstatic WEBP_INLINE void PlanarTo24b(__m128i* const in0, __m128i* const in1, 164fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i* const in2, __m128i* const in3, 165fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i* const in4, __m128i* const in5, 166fa39824bb690c5806358871f46940d0450973d8aJames Zern uint8_t* const rgb) { 1677c8da7ce66017295a65ec028084b90800be377f8James Zern // The input is 6 registers of sixteen 8b but for the sake of explanation, 1687c8da7ce66017295a65ec028084b90800be377f8James Zern // let's take 6 registers of four 8b values. 1697c8da7ce66017295a65ec028084b90800be377f8James Zern // To pack, we will keep taking one every two 8b integer and move it 1707c8da7ce66017295a65ec028084b90800be377f8James Zern // around as follows: 1717c8da7ce66017295a65ec028084b90800be377f8James Zern // Input: 1727c8da7ce66017295a65ec028084b90800be377f8James Zern // r0r1r2r3 | r4r5r6r7 | g0g1g2g3 | g4g5g6g7 | b0b1b2b3 | b4b5b6b7 1737c8da7ce66017295a65ec028084b90800be377f8James Zern // Split the 6 registers in two sets of 3 registers: the first set as the even 1747c8da7ce66017295a65ec028084b90800be377f8James Zern // 8b bytes, the second the odd ones: 1757c8da7ce66017295a65ec028084b90800be377f8James Zern // r0r2r4r6 | g0g2g4g6 | b0b2b4b6 | r1r3r5r7 | g1g3g5g7 | b1b3b5b7 1767c8da7ce66017295a65ec028084b90800be377f8James Zern // Repeat the same permutations twice more: 1777c8da7ce66017295a65ec028084b90800be377f8James Zern // r0r4g0g4 | b0b4r1r5 | g1g5b1b5 | r2r6g2g6 | b2b6r3r7 | g3g7b3b7 1787c8da7ce66017295a65ec028084b90800be377f8James Zern // r0g0b0r1 | g1b1r2g2 | b2r3g3b3 | r4g4b4r5 | g5b5r6g6 | b6r7g7b7 179fa39824bb690c5806358871f46940d0450973d8aJames Zern VP8PlanarTo24b(in0, in1, in2, in3, in4, in5); 180fa39824bb690c5806358871f46940d0450973d8aJames Zern 181fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(rgb + 0), *in0); 182fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(rgb + 16), *in1); 183fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(rgb + 32), *in2); 184fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(rgb + 48), *in3); 185fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(rgb + 64), *in4); 186fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(rgb + 80), *in5); 187fa39824bb690c5806358871f46940d0450973d8aJames Zern} 18833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 18933f74dabbc7920a65ed435d7417987589febdc16Vikas Aroravoid VP8YuvToRgba32(const uint8_t* y, const uint8_t* u, const uint8_t* v, 19033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora uint8_t* dst) { 1917c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kAlpha = _mm_set1_epi16(255); 19233f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 1937c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n < 32; n += 8, dst += 32) { 1947c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R, G, B; 1957c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B); 1967c8da7ce66017295a65ec028084b90800be377f8James Zern PackAndStore4(&R, &G, &B, &kAlpha, dst); 19733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 19833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 19933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 20033f74dabbc7920a65ed435d7417987589febdc16Vikas Aroravoid VP8YuvToBgra32(const uint8_t* y, const uint8_t* u, const uint8_t* v, 20133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora uint8_t* dst) { 2027c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kAlpha = _mm_set1_epi16(255); 20333f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 2047c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n < 32; n += 8, dst += 32) { 2057c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R, G, B; 2067c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B); 2077c8da7ce66017295a65ec028084b90800be377f8James Zern PackAndStore4(&B, &G, &R, &kAlpha, dst); 20833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 20933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 21033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 2117c8da7ce66017295a65ec028084b90800be377f8James Zernvoid VP8YuvToArgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v, 2127c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst) { 2137c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kAlpha = _mm_set1_epi16(255); 21433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 2157c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n < 32; n += 8, dst += 32) { 2167c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R, G, B; 2177c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B); 2187c8da7ce66017295a65ec028084b90800be377f8James Zern PackAndStore4(&kAlpha, &R, &G, &B, dst); 21933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 22033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 22133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 2227c8da7ce66017295a65ec028084b90800be377f8James Zernvoid VP8YuvToRgba444432(const uint8_t* y, const uint8_t* u, const uint8_t* v, 2237c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst) { 2247c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kAlpha = _mm_set1_epi16(255); 22533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 2267c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n < 32; n += 8, dst += 16) { 2277c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R, G, B; 2287c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B); 2297c8da7ce66017295a65ec028084b90800be377f8James Zern PackAndStore4444(&R, &G, &B, &kAlpha, dst); 23033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 23133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 23233f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 2337c8da7ce66017295a65ec028084b90800be377f8James Zernvoid VP8YuvToRgb56532(const uint8_t* y, const uint8_t* u, const uint8_t* v, 2347c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst) { 2357c8da7ce66017295a65ec028084b90800be377f8James Zern int n; 2367c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n < 32; n += 8, dst += 16) { 2377c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R, G, B; 2387c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + n, u + n, v + n, &R, &G, &B); 2397c8da7ce66017295a65ec028084b90800be377f8James Zern PackAndStore565(&R, &G, &B, dst); 2407c8da7ce66017295a65ec028084b90800be377f8James Zern } 2417c8da7ce66017295a65ec028084b90800be377f8James Zern} 2427c8da7ce66017295a65ec028084b90800be377f8James Zern 2437c8da7ce66017295a65ec028084b90800be377f8James Zernvoid VP8YuvToRgb32(const uint8_t* y, const uint8_t* u, const uint8_t* v, 2447c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst) { 2457c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; 246fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5; 2477c8da7ce66017295a65ec028084b90800be377f8James Zern 248fa39824bb690c5806358871f46940d0450973d8aJames Zern YUV444ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0); 249fa39824bb690c5806358871f46940d0450973d8aJames Zern YUV444ToRGB(y + 8, u + 8, v + 8, &R1, &G1, &B1); 2507c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + 16, u + 16, v + 16, &R2, &G2, &B2); 2517c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + 24, u + 24, v + 24, &R3, &G3, &B3); 2527c8da7ce66017295a65ec028084b90800be377f8James Zern 2537c8da7ce66017295a65ec028084b90800be377f8James Zern // Cast to 8b and store as RRRRGGGGBBBB. 254fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb0 = _mm_packus_epi16(R0, R1); 255fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb1 = _mm_packus_epi16(R2, R3); 256fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb2 = _mm_packus_epi16(G0, G1); 257fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb3 = _mm_packus_epi16(G2, G3); 258fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb4 = _mm_packus_epi16(B0, B1); 259fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb5 = _mm_packus_epi16(B2, B3); 2607c8da7ce66017295a65ec028084b90800be377f8James Zern 2617c8da7ce66017295a65ec028084b90800be377f8James Zern // Pack as RGBRGBRGBRGB. 262fa39824bb690c5806358871f46940d0450973d8aJames Zern PlanarTo24b(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst); 2637c8da7ce66017295a65ec028084b90800be377f8James Zern} 2647c8da7ce66017295a65ec028084b90800be377f8James Zern 2657c8da7ce66017295a65ec028084b90800be377f8James Zernvoid VP8YuvToBgr32(const uint8_t* y, const uint8_t* u, const uint8_t* v, 2667c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst) { 2677c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; 268fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5; 2697c8da7ce66017295a65ec028084b90800be377f8James Zern 2707c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0); 2717c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + 8, u + 8, v + 8, &R1, &G1, &B1); 2727c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + 16, u + 16, v + 16, &R2, &G2, &B2); 2737c8da7ce66017295a65ec028084b90800be377f8James Zern YUV444ToRGB(y + 24, u + 24, v + 24, &R3, &G3, &B3); 2747c8da7ce66017295a65ec028084b90800be377f8James Zern 2757c8da7ce66017295a65ec028084b90800be377f8James Zern // Cast to 8b and store as BBBBGGGGRRRR. 276fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr0 = _mm_packus_epi16(B0, B1); 277fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr1 = _mm_packus_epi16(B2, B3); 278fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr2 = _mm_packus_epi16(G0, G1); 279fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr3 = _mm_packus_epi16(G2, G3); 280fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr4 = _mm_packus_epi16(R0, R1); 281fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr5= _mm_packus_epi16(R2, R3); 2827c8da7ce66017295a65ec028084b90800be377f8James Zern 2837c8da7ce66017295a65ec028084b90800be377f8James Zern // Pack as BGRBGRBGRBGR. 284fa39824bb690c5806358871f46940d0450973d8aJames Zern PlanarTo24b(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst); 2857c8da7ce66017295a65ec028084b90800be377f8James Zern} 28633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 28733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora//----------------------------------------------------------------------------- 28833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// Arbitrary-length row conversion functions 28933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 2907c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void YuvToRgbaRow(const uint8_t* y, const uint8_t* u, const uint8_t* v, 2917c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst, int len) { 2927c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kAlpha = _mm_set1_epi16(255); 29333f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 2947c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n + 8 <= len; n += 8, dst += 32) { 2957c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R, G, B; 2967c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y, u, v, &R, &G, &B); 2977c8da7ce66017295a65ec028084b90800be377f8James Zern PackAndStore4(&R, &G, &B, &kAlpha, dst); 2987c8da7ce66017295a65ec028084b90800be377f8James Zern y += 8; 2997c8da7ce66017295a65ec028084b90800be377f8James Zern u += 4; 3007c8da7ce66017295a65ec028084b90800be377f8James Zern v += 4; 30133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 3027c8da7ce66017295a65ec028084b90800be377f8James Zern for (; n < len; ++n) { // Finish off 30333f74dabbc7920a65ed435d7417987589febdc16Vikas Arora VP8YuvToRgba(y[0], u[0], v[0], dst); 30433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora dst += 4; 3057c8da7ce66017295a65ec028084b90800be377f8James Zern y += 1; 30633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora u += (n & 1); 30733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora v += (n & 1); 30833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 30933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 31033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 3117c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void YuvToBgraRow(const uint8_t* y, const uint8_t* u, const uint8_t* v, 3127c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst, int len) { 3137c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kAlpha = _mm_set1_epi16(255); 31433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 3157c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n + 8 <= len; n += 8, dst += 32) { 3167c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R, G, B; 3177c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y, u, v, &R, &G, &B); 3187c8da7ce66017295a65ec028084b90800be377f8James Zern PackAndStore4(&B, &G, &R, &kAlpha, dst); 3197c8da7ce66017295a65ec028084b90800be377f8James Zern y += 8; 3207c8da7ce66017295a65ec028084b90800be377f8James Zern u += 4; 3217c8da7ce66017295a65ec028084b90800be377f8James Zern v += 4; 32233f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 3237c8da7ce66017295a65ec028084b90800be377f8James Zern for (; n < len; ++n) { // Finish off 32433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora VP8YuvToBgra(y[0], u[0], v[0], dst); 3257c8da7ce66017295a65ec028084b90800be377f8James Zern dst += 4; 3267c8da7ce66017295a65ec028084b90800be377f8James Zern y += 1; 3277c8da7ce66017295a65ec028084b90800be377f8James Zern u += (n & 1); 3287c8da7ce66017295a65ec028084b90800be377f8James Zern v += (n & 1); 32933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 33033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 33133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 3327c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void YuvToArgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v, 3337c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst, int len) { 3347c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kAlpha = _mm_set1_epi16(255); 33533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 3367c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n + 8 <= len; n += 8, dst += 32) { 3377c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R, G, B; 3387c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y, u, v, &R, &G, &B); 3397c8da7ce66017295a65ec028084b90800be377f8James Zern PackAndStore4(&kAlpha, &R, &G, &B, dst); 3407c8da7ce66017295a65ec028084b90800be377f8James Zern y += 8; 3417c8da7ce66017295a65ec028084b90800be377f8James Zern u += 4; 3427c8da7ce66017295a65ec028084b90800be377f8James Zern v += 4; 34333f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 3447c8da7ce66017295a65ec028084b90800be377f8James Zern for (; n < len; ++n) { // Finish off 34533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora VP8YuvToArgb(y[0], u[0], v[0], dst); 3467c8da7ce66017295a65ec028084b90800be377f8James Zern dst += 4; 3477c8da7ce66017295a65ec028084b90800be377f8James Zern y += 1; 3487c8da7ce66017295a65ec028084b90800be377f8James Zern u += (n & 1); 3497c8da7ce66017295a65ec028084b90800be377f8James Zern v += (n & 1); 35033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 35133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 35233f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 3537c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void YuvToRgbRow(const uint8_t* y, const uint8_t* u, const uint8_t* v, 3547c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst, int len) { 35533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 3567c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) { 3577c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; 358fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i rgb0, rgb1, rgb2, rgb3, rgb4, rgb5; 3597c8da7ce66017295a65ec028084b90800be377f8James Zern 3607c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0); 3617c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y + 8, u + 4, v + 4, &R1, &G1, &B1); 3627c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y + 16, u + 8, v + 8, &R2, &G2, &B2); 3637c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y + 24, u + 12, v + 12, &R3, &G3, &B3); 3647c8da7ce66017295a65ec028084b90800be377f8James Zern 3657c8da7ce66017295a65ec028084b90800be377f8James Zern // Cast to 8b and store as RRRRGGGGBBBB. 366fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb0 = _mm_packus_epi16(R0, R1); 367fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb1 = _mm_packus_epi16(R2, R3); 368fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb2 = _mm_packus_epi16(G0, G1); 369fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb3 = _mm_packus_epi16(G2, G3); 370fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb4 = _mm_packus_epi16(B0, B1); 371fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb5 = _mm_packus_epi16(B2, B3); 3727c8da7ce66017295a65ec028084b90800be377f8James Zern 3737c8da7ce66017295a65ec028084b90800be377f8James Zern // Pack as RGBRGBRGBRGB. 374fa39824bb690c5806358871f46940d0450973d8aJames Zern PlanarTo24b(&rgb0, &rgb1, &rgb2, &rgb3, &rgb4, &rgb5, dst); 3757c8da7ce66017295a65ec028084b90800be377f8James Zern 3767c8da7ce66017295a65ec028084b90800be377f8James Zern y += 32; 3777c8da7ce66017295a65ec028084b90800be377f8James Zern u += 16; 3787c8da7ce66017295a65ec028084b90800be377f8James Zern v += 16; 3797c8da7ce66017295a65ec028084b90800be377f8James Zern } 3807c8da7ce66017295a65ec028084b90800be377f8James Zern for (; n < len; ++n) { // Finish off 3817c8da7ce66017295a65ec028084b90800be377f8James Zern VP8YuvToRgb(y[0], u[0], v[0], dst); 38233f74dabbc7920a65ed435d7417987589febdc16Vikas Arora dst += 3; 3837c8da7ce66017295a65ec028084b90800be377f8James Zern y += 1; 38433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora u += (n & 1); 38533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora v += (n & 1); 38633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 38733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 38833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 3897c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void YuvToBgrRow(const uint8_t* y, const uint8_t* u, const uint8_t* v, 3907c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* dst, int len) { 39133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora int n; 3927c8da7ce66017295a65ec028084b90800be377f8James Zern for (n = 0; n + 32 <= len; n += 32, dst += 32 * 3) { 3937c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i R0, R1, R2, R3, G0, G1, G2, G3, B0, B1, B2, B3; 394fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i bgr0, bgr1, bgr2, bgr3, bgr4, bgr5; 3957c8da7ce66017295a65ec028084b90800be377f8James Zern 3967c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y + 0, u + 0, v + 0, &R0, &G0, &B0); 3977c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y + 8, u + 4, v + 4, &R1, &G1, &B1); 3987c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y + 16, u + 8, v + 8, &R2, &G2, &B2); 3997c8da7ce66017295a65ec028084b90800be377f8James Zern YUV420ToRGB(y + 24, u + 12, v + 12, &R3, &G3, &B3); 4007c8da7ce66017295a65ec028084b90800be377f8James Zern 4017c8da7ce66017295a65ec028084b90800be377f8James Zern // Cast to 8b and store as BBBBGGGGRRRR. 402fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr0 = _mm_packus_epi16(B0, B1); 403fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr1 = _mm_packus_epi16(B2, B3); 404fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr2 = _mm_packus_epi16(G0, G1); 405fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr3 = _mm_packus_epi16(G2, G3); 406fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr4 = _mm_packus_epi16(R0, R1); 407fa39824bb690c5806358871f46940d0450973d8aJames Zern bgr5 = _mm_packus_epi16(R2, R3); 4087c8da7ce66017295a65ec028084b90800be377f8James Zern 4097c8da7ce66017295a65ec028084b90800be377f8James Zern // Pack as BGRBGRBGRBGR. 410fa39824bb690c5806358871f46940d0450973d8aJames Zern PlanarTo24b(&bgr0, &bgr1, &bgr2, &bgr3, &bgr4, &bgr5, dst); 4117c8da7ce66017295a65ec028084b90800be377f8James Zern 4127c8da7ce66017295a65ec028084b90800be377f8James Zern y += 32; 4137c8da7ce66017295a65ec028084b90800be377f8James Zern u += 16; 4147c8da7ce66017295a65ec028084b90800be377f8James Zern v += 16; 4157c8da7ce66017295a65ec028084b90800be377f8James Zern } 4167c8da7ce66017295a65ec028084b90800be377f8James Zern for (; n < len; ++n) { // Finish off 4177c8da7ce66017295a65ec028084b90800be377f8James Zern VP8YuvToBgr(y[0], u[0], v[0], dst); 41833f74dabbc7920a65ed435d7417987589febdc16Vikas Arora dst += 3; 4197c8da7ce66017295a65ec028084b90800be377f8James Zern y += 1; 42033f74dabbc7920a65ed435d7417987589febdc16Vikas Arora u += (n & 1); 42133f74dabbc7920a65ed435d7417987589febdc16Vikas Arora v += (n & 1); 42233f74dabbc7920a65ed435d7417987589febdc16Vikas Arora } 42333f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 42433f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 42533f74dabbc7920a65ed435d7417987589febdc16Vikas Arora//------------------------------------------------------------------------------ 42633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora// Entry point 42733f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 42833f74dabbc7920a65ed435d7417987589febdc16Vikas Aroraextern void WebPInitSamplersSSE2(void); 42933f74dabbc7920a65ed435d7417987589febdc16Vikas Arora 4307c8da7ce66017295a65ec028084b90800be377f8James ZernWEBP_TSAN_IGNORE_FUNCTION void WebPInitSamplersSSE2(void) { 4317c8da7ce66017295a65ec028084b90800be377f8James Zern WebPSamplers[MODE_RGB] = YuvToRgbRow; 4327c8da7ce66017295a65ec028084b90800be377f8James Zern WebPSamplers[MODE_RGBA] = YuvToRgbaRow; 4337c8da7ce66017295a65ec028084b90800be377f8James Zern WebPSamplers[MODE_BGR] = YuvToBgrRow; 4347c8da7ce66017295a65ec028084b90800be377f8James Zern WebPSamplers[MODE_BGRA] = YuvToBgraRow; 4357c8da7ce66017295a65ec028084b90800be377f8James Zern WebPSamplers[MODE_ARGB] = YuvToArgbRow; 43633f74dabbc7920a65ed435d7417987589febdc16Vikas Arora} 4377c8da7ce66017295a65ec028084b90800be377f8James Zern 4387c8da7ce66017295a65ec028084b90800be377f8James Zern//------------------------------------------------------------------------------ 4397c8da7ce66017295a65ec028084b90800be377f8James Zern// RGB24/32 -> YUV converters 4407c8da7ce66017295a65ec028084b90800be377f8James Zern 4417c8da7ce66017295a65ec028084b90800be377f8James Zern// Load eight 16b-words from *src. 4427c8da7ce66017295a65ec028084b90800be377f8James Zern#define LOAD_16(src) _mm_loadu_si128((const __m128i*)(src)) 4437c8da7ce66017295a65ec028084b90800be377f8James Zern// Store either 16b-words into *dst 4447c8da7ce66017295a65ec028084b90800be377f8James Zern#define STORE_16(V, dst) _mm_storeu_si128((__m128i*)(dst), (V)) 4457c8da7ce66017295a65ec028084b90800be377f8James Zern 4467c8da7ce66017295a65ec028084b90800be377f8James Zern// Function that inserts a value of the second half of the in buffer in between 4477c8da7ce66017295a65ec028084b90800be377f8James Zern// every two char of the first half. 4487c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void RGB24PackedToPlanarHelper( 4497c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const in /*in[6]*/, __m128i* const out /*out[6]*/) { 4507c8da7ce66017295a65ec028084b90800be377f8James Zern out[0] = _mm_unpacklo_epi8(in[0], in[3]); 4517c8da7ce66017295a65ec028084b90800be377f8James Zern out[1] = _mm_unpackhi_epi8(in[0], in[3]); 4527c8da7ce66017295a65ec028084b90800be377f8James Zern out[2] = _mm_unpacklo_epi8(in[1], in[4]); 4537c8da7ce66017295a65ec028084b90800be377f8James Zern out[3] = _mm_unpackhi_epi8(in[1], in[4]); 4547c8da7ce66017295a65ec028084b90800be377f8James Zern out[4] = _mm_unpacklo_epi8(in[2], in[5]); 4557c8da7ce66017295a65ec028084b90800be377f8James Zern out[5] = _mm_unpackhi_epi8(in[2], in[5]); 4567c8da7ce66017295a65ec028084b90800be377f8James Zern} 4577c8da7ce66017295a65ec028084b90800be377f8James Zern 4587c8da7ce66017295a65ec028084b90800be377f8James Zern// Unpack the 8b input rgbrgbrgbrgb ... as contiguous registers: 4597c8da7ce66017295a65ec028084b90800be377f8James Zern// rrrr... rrrr... gggg... gggg... bbbb... bbbb.... 4607c8da7ce66017295a65ec028084b90800be377f8James Zern// Similar to PlanarTo24bHelper(), but in reverse order. 4617c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void RGB24PackedToPlanar(const uint8_t* const rgb, 4627c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const out /*out[6]*/) { 4637c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i tmp[6]; 4647c8da7ce66017295a65ec028084b90800be377f8James Zern tmp[0] = _mm_loadu_si128((const __m128i*)(rgb + 0)); 4657c8da7ce66017295a65ec028084b90800be377f8James Zern tmp[1] = _mm_loadu_si128((const __m128i*)(rgb + 16)); 4667c8da7ce66017295a65ec028084b90800be377f8James Zern tmp[2] = _mm_loadu_si128((const __m128i*)(rgb + 32)); 4677c8da7ce66017295a65ec028084b90800be377f8James Zern tmp[3] = _mm_loadu_si128((const __m128i*)(rgb + 48)); 4687c8da7ce66017295a65ec028084b90800be377f8James Zern tmp[4] = _mm_loadu_si128((const __m128i*)(rgb + 64)); 4697c8da7ce66017295a65ec028084b90800be377f8James Zern tmp[5] = _mm_loadu_si128((const __m128i*)(rgb + 80)); 4707c8da7ce66017295a65ec028084b90800be377f8James Zern 4717c8da7ce66017295a65ec028084b90800be377f8James Zern RGB24PackedToPlanarHelper(tmp, out); 4727c8da7ce66017295a65ec028084b90800be377f8James Zern RGB24PackedToPlanarHelper(out, tmp); 4737c8da7ce66017295a65ec028084b90800be377f8James Zern RGB24PackedToPlanarHelper(tmp, out); 4747c8da7ce66017295a65ec028084b90800be377f8James Zern RGB24PackedToPlanarHelper(out, tmp); 4757c8da7ce66017295a65ec028084b90800be377f8James Zern RGB24PackedToPlanarHelper(tmp, out); 4767c8da7ce66017295a65ec028084b90800be377f8James Zern} 4777c8da7ce66017295a65ec028084b90800be377f8James Zern 4787c8da7ce66017295a65ec028084b90800be377f8James Zern// Convert 8 packed ARGB to r[], g[], b[] 4797c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void RGB32PackedToPlanar(const uint32_t* const argb, 480fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i* const rgb /*in[6]*/) { 4817c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i zero = _mm_setzero_si128(); 482fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i a0 = LOAD_16(argb + 0); 483fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i a1 = LOAD_16(argb + 4); 484fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i a2 = LOAD_16(argb + 8); 485fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i a3 = LOAD_16(argb + 12); 486fa39824bb690c5806358871f46940d0450973d8aJames Zern VP8L32bToPlanar(&a0, &a1, &a2, &a3); 487fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb[0] = _mm_unpacklo_epi8(a1, zero); 488fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb[1] = _mm_unpackhi_epi8(a1, zero); 489fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb[2] = _mm_unpacklo_epi8(a2, zero); 490fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb[3] = _mm_unpackhi_epi8(a2, zero); 491fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb[4] = _mm_unpacklo_epi8(a3, zero); 492fa39824bb690c5806358871f46940d0450973d8aJames Zern rgb[5] = _mm_unpackhi_epi8(a3, zero); 4937c8da7ce66017295a65ec028084b90800be377f8James Zern} 4947c8da7ce66017295a65ec028084b90800be377f8James Zern 4957c8da7ce66017295a65ec028084b90800be377f8James Zern// This macro computes (RG * MULT_RG + GB * MULT_GB + ROUNDER) >> DESCALE_FIX 4967c8da7ce66017295a65ec028084b90800be377f8James Zern// It's a macro and not a function because we need to use immediate values with 4977c8da7ce66017295a65ec028084b90800be377f8James Zern// srai_epi32, e.g. 4987c8da7ce66017295a65ec028084b90800be377f8James Zern#define TRANSFORM(RG_LO, RG_HI, GB_LO, GB_HI, MULT_RG, MULT_GB, \ 4997c8da7ce66017295a65ec028084b90800be377f8James Zern ROUNDER, DESCALE_FIX, OUT) do { \ 5007c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V0_lo = _mm_madd_epi16(RG_LO, MULT_RG); \ 5017c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V0_hi = _mm_madd_epi16(RG_HI, MULT_RG); \ 5027c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V1_lo = _mm_madd_epi16(GB_LO, MULT_GB); \ 5037c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V1_hi = _mm_madd_epi16(GB_HI, MULT_GB); \ 5047c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V2_lo = _mm_add_epi32(V0_lo, V1_lo); \ 5057c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V2_hi = _mm_add_epi32(V0_hi, V1_hi); \ 5067c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V3_lo = _mm_add_epi32(V2_lo, ROUNDER); \ 5077c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V3_hi = _mm_add_epi32(V2_hi, ROUNDER); \ 5087c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V5_lo = _mm_srai_epi32(V3_lo, DESCALE_FIX); \ 5097c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i V5_hi = _mm_srai_epi32(V3_hi, DESCALE_FIX); \ 5107c8da7ce66017295a65ec028084b90800be377f8James Zern (OUT) = _mm_packs_epi32(V5_lo, V5_hi); \ 5117c8da7ce66017295a65ec028084b90800be377f8James Zern} while (0) 5127c8da7ce66017295a65ec028084b90800be377f8James Zern 5137c8da7ce66017295a65ec028084b90800be377f8James Zern#define MK_CST_16(A, B) _mm_set_epi16((B), (A), (B), (A), (B), (A), (B), (A)) 5147c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void ConvertRGBToY(const __m128i* const R, 5157c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const G, 5167c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const B, 5177c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const Y) { 5187c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kRG_y = MK_CST_16(16839, 33059 - 16384); 5197c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kGB_y = MK_CST_16(16384, 6420); 5207c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kHALF_Y = _mm_set1_epi32((16 << YUV_FIX) + YUV_HALF); 5217c8da7ce66017295a65ec028084b90800be377f8James Zern 5227c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G); 5237c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G); 5247c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B); 5257c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B); 5267c8da7ce66017295a65ec028084b90800be377f8James Zern TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_y, kGB_y, kHALF_Y, YUV_FIX, *Y); 5277c8da7ce66017295a65ec028084b90800be377f8James Zern} 5287c8da7ce66017295a65ec028084b90800be377f8James Zern 5297c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void ConvertRGBToUV(const __m128i* const R, 5307c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const G, 5317c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i* const B, 5327c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const U, __m128i* const V) { 5337c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kRG_u = MK_CST_16(-9719, -19081); 5347c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kGB_u = MK_CST_16(0, 28800); 5357c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kRG_v = MK_CST_16(28800, 0); 5367c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kGB_v = MK_CST_16(-24116, -4684); 5377c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i kHALF_UV = _mm_set1_epi32(((128 << YUV_FIX) + YUV_HALF) << 2); 5387c8da7ce66017295a65ec028084b90800be377f8James Zern 5397c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i RG_lo = _mm_unpacklo_epi16(*R, *G); 5407c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i RG_hi = _mm_unpackhi_epi16(*R, *G); 5417c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i GB_lo = _mm_unpacklo_epi16(*G, *B); 5427c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i GB_hi = _mm_unpackhi_epi16(*G, *B); 5437c8da7ce66017295a65ec028084b90800be377f8James Zern TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_u, kGB_u, 5447c8da7ce66017295a65ec028084b90800be377f8James Zern kHALF_UV, YUV_FIX + 2, *U); 5457c8da7ce66017295a65ec028084b90800be377f8James Zern TRANSFORM(RG_lo, RG_hi, GB_lo, GB_hi, kRG_v, kGB_v, 5467c8da7ce66017295a65ec028084b90800be377f8James Zern kHALF_UV, YUV_FIX + 2, *V); 5477c8da7ce66017295a65ec028084b90800be377f8James Zern} 5487c8da7ce66017295a65ec028084b90800be377f8James Zern 5497c8da7ce66017295a65ec028084b90800be377f8James Zern#undef MK_CST_16 5507c8da7ce66017295a65ec028084b90800be377f8James Zern#undef TRANSFORM 5517c8da7ce66017295a65ec028084b90800be377f8James Zern 5527c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void ConvertRGB24ToY(const uint8_t* rgb, uint8_t* y, int width) { 5537c8da7ce66017295a65ec028084b90800be377f8James Zern const int max_width = width & ~31; 5547c8da7ce66017295a65ec028084b90800be377f8James Zern int i; 5557c8da7ce66017295a65ec028084b90800be377f8James Zern for (i = 0; i < max_width; rgb += 3 * 16 * 2) { 5567c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i rgb_plane[6]; 5577c8da7ce66017295a65ec028084b90800be377f8James Zern int j; 5587c8da7ce66017295a65ec028084b90800be377f8James Zern 5597c8da7ce66017295a65ec028084b90800be377f8James Zern RGB24PackedToPlanar(rgb, rgb_plane); 5607c8da7ce66017295a65ec028084b90800be377f8James Zern 5617c8da7ce66017295a65ec028084b90800be377f8James Zern for (j = 0; j < 2; ++j, i += 16) { 5627c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i zero = _mm_setzero_si128(); 5637c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i r, g, b, Y0, Y1; 5647c8da7ce66017295a65ec028084b90800be377f8James Zern 5657c8da7ce66017295a65ec028084b90800be377f8James Zern // Convert to 16-bit Y. 5667c8da7ce66017295a65ec028084b90800be377f8James Zern r = _mm_unpacklo_epi8(rgb_plane[0 + j], zero); 5677c8da7ce66017295a65ec028084b90800be377f8James Zern g = _mm_unpacklo_epi8(rgb_plane[2 + j], zero); 5687c8da7ce66017295a65ec028084b90800be377f8James Zern b = _mm_unpacklo_epi8(rgb_plane[4 + j], zero); 5697c8da7ce66017295a65ec028084b90800be377f8James Zern ConvertRGBToY(&r, &g, &b, &Y0); 5707c8da7ce66017295a65ec028084b90800be377f8James Zern 5717c8da7ce66017295a65ec028084b90800be377f8James Zern // Convert to 16-bit Y. 5727c8da7ce66017295a65ec028084b90800be377f8James Zern r = _mm_unpackhi_epi8(rgb_plane[0 + j], zero); 5737c8da7ce66017295a65ec028084b90800be377f8James Zern g = _mm_unpackhi_epi8(rgb_plane[2 + j], zero); 5747c8da7ce66017295a65ec028084b90800be377f8James Zern b = _mm_unpackhi_epi8(rgb_plane[4 + j], zero); 5757c8da7ce66017295a65ec028084b90800be377f8James Zern ConvertRGBToY(&r, &g, &b, &Y1); 5767c8da7ce66017295a65ec028084b90800be377f8James Zern 5777c8da7ce66017295a65ec028084b90800be377f8James Zern // Cast to 8-bit and store. 5787c8da7ce66017295a65ec028084b90800be377f8James Zern STORE_16(_mm_packus_epi16(Y0, Y1), y + i); 5797c8da7ce66017295a65ec028084b90800be377f8James Zern } 5807c8da7ce66017295a65ec028084b90800be377f8James Zern } 5817c8da7ce66017295a65ec028084b90800be377f8James Zern for (; i < width; ++i, rgb += 3) { // left-over 5827c8da7ce66017295a65ec028084b90800be377f8James Zern y[i] = VP8RGBToY(rgb[0], rgb[1], rgb[2], YUV_HALF); 5837c8da7ce66017295a65ec028084b90800be377f8James Zern } 5847c8da7ce66017295a65ec028084b90800be377f8James Zern} 5857c8da7ce66017295a65ec028084b90800be377f8James Zern 5867c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void ConvertBGR24ToY(const uint8_t* bgr, uint8_t* y, int width) { 5877c8da7ce66017295a65ec028084b90800be377f8James Zern const int max_width = width & ~31; 5887c8da7ce66017295a65ec028084b90800be377f8James Zern int i; 5897c8da7ce66017295a65ec028084b90800be377f8James Zern for (i = 0; i < max_width; bgr += 3 * 16 * 2) { 5907c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i bgr_plane[6]; 5917c8da7ce66017295a65ec028084b90800be377f8James Zern int j; 5927c8da7ce66017295a65ec028084b90800be377f8James Zern 5937c8da7ce66017295a65ec028084b90800be377f8James Zern RGB24PackedToPlanar(bgr, bgr_plane); 5947c8da7ce66017295a65ec028084b90800be377f8James Zern 5957c8da7ce66017295a65ec028084b90800be377f8James Zern for (j = 0; j < 2; ++j, i += 16) { 5967c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i zero = _mm_setzero_si128(); 5977c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i r, g, b, Y0, Y1; 5987c8da7ce66017295a65ec028084b90800be377f8James Zern 5997c8da7ce66017295a65ec028084b90800be377f8James Zern // Convert to 16-bit Y. 6007c8da7ce66017295a65ec028084b90800be377f8James Zern b = _mm_unpacklo_epi8(bgr_plane[0 + j], zero); 6017c8da7ce66017295a65ec028084b90800be377f8James Zern g = _mm_unpacklo_epi8(bgr_plane[2 + j], zero); 6027c8da7ce66017295a65ec028084b90800be377f8James Zern r = _mm_unpacklo_epi8(bgr_plane[4 + j], zero); 6037c8da7ce66017295a65ec028084b90800be377f8James Zern ConvertRGBToY(&r, &g, &b, &Y0); 6047c8da7ce66017295a65ec028084b90800be377f8James Zern 6057c8da7ce66017295a65ec028084b90800be377f8James Zern // Convert to 16-bit Y. 6067c8da7ce66017295a65ec028084b90800be377f8James Zern b = _mm_unpackhi_epi8(bgr_plane[0 + j], zero); 6077c8da7ce66017295a65ec028084b90800be377f8James Zern g = _mm_unpackhi_epi8(bgr_plane[2 + j], zero); 6087c8da7ce66017295a65ec028084b90800be377f8James Zern r = _mm_unpackhi_epi8(bgr_plane[4 + j], zero); 6097c8da7ce66017295a65ec028084b90800be377f8James Zern ConvertRGBToY(&r, &g, &b, &Y1); 6107c8da7ce66017295a65ec028084b90800be377f8James Zern 6117c8da7ce66017295a65ec028084b90800be377f8James Zern // Cast to 8-bit and store. 6127c8da7ce66017295a65ec028084b90800be377f8James Zern STORE_16(_mm_packus_epi16(Y0, Y1), y + i); 6137c8da7ce66017295a65ec028084b90800be377f8James Zern } 6147c8da7ce66017295a65ec028084b90800be377f8James Zern } 6157c8da7ce66017295a65ec028084b90800be377f8James Zern for (; i < width; ++i, bgr += 3) { // left-over 6167c8da7ce66017295a65ec028084b90800be377f8James Zern y[i] = VP8RGBToY(bgr[2], bgr[1], bgr[0], YUV_HALF); 6177c8da7ce66017295a65ec028084b90800be377f8James Zern } 6187c8da7ce66017295a65ec028084b90800be377f8James Zern} 6197c8da7ce66017295a65ec028084b90800be377f8James Zern 6207c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void ConvertARGBToY(const uint32_t* argb, uint8_t* y, int width) { 6217c8da7ce66017295a65ec028084b90800be377f8James Zern const int max_width = width & ~15; 6227c8da7ce66017295a65ec028084b90800be377f8James Zern int i; 6237c8da7ce66017295a65ec028084b90800be377f8James Zern for (i = 0; i < max_width; i += 16) { 624fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i Y0, Y1, rgb[6]; 625fa39824bb690c5806358871f46940d0450973d8aJames Zern RGB32PackedToPlanar(&argb[i], rgb); 626fa39824bb690c5806358871f46940d0450973d8aJames Zern ConvertRGBToY(&rgb[0], &rgb[2], &rgb[4], &Y0); 627fa39824bb690c5806358871f46940d0450973d8aJames Zern ConvertRGBToY(&rgb[1], &rgb[3], &rgb[5], &Y1); 6287c8da7ce66017295a65ec028084b90800be377f8James Zern STORE_16(_mm_packus_epi16(Y0, Y1), y + i); 6297c8da7ce66017295a65ec028084b90800be377f8James Zern } 6307c8da7ce66017295a65ec028084b90800be377f8James Zern for (; i < width; ++i) { // left-over 6317c8da7ce66017295a65ec028084b90800be377f8James Zern const uint32_t p = argb[i]; 6327c8da7ce66017295a65ec028084b90800be377f8James Zern y[i] = VP8RGBToY((p >> 16) & 0xff, (p >> 8) & 0xff, (p >> 0) & 0xff, 6337c8da7ce66017295a65ec028084b90800be377f8James Zern YUV_HALF); 6347c8da7ce66017295a65ec028084b90800be377f8James Zern } 6357c8da7ce66017295a65ec028084b90800be377f8James Zern} 6367c8da7ce66017295a65ec028084b90800be377f8James Zern 6377c8da7ce66017295a65ec028084b90800be377f8James Zern// Horizontal add (doubled) of two 16b values, result is 16b. 6387c8da7ce66017295a65ec028084b90800be377f8James Zern// in: A | B | C | D | ... -> out: 2*(A+B) | 2*(C+D) | ... 6397c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void HorizontalAddPack(const __m128i* const A, const __m128i* const B, 6407c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const out) { 6417c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i k2 = _mm_set1_epi16(2); 6427c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i C = _mm_madd_epi16(*A, k2); 6437c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i D = _mm_madd_epi16(*B, k2); 6447c8da7ce66017295a65ec028084b90800be377f8James Zern *out = _mm_packs_epi32(C, D); 6457c8da7ce66017295a65ec028084b90800be377f8James Zern} 6467c8da7ce66017295a65ec028084b90800be377f8James Zern 6477c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void ConvertARGBToUV(const uint32_t* argb, uint8_t* u, uint8_t* v, 6487c8da7ce66017295a65ec028084b90800be377f8James Zern int src_width, int do_store) { 6497c8da7ce66017295a65ec028084b90800be377f8James Zern const int max_width = src_width & ~31; 6507c8da7ce66017295a65ec028084b90800be377f8James Zern int i; 6517c8da7ce66017295a65ec028084b90800be377f8James Zern for (i = 0; i < max_width; i += 32, u += 16, v += 16) { 652fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i rgb[6], U0, V0, U1, V1; 653fa39824bb690c5806358871f46940d0450973d8aJames Zern RGB32PackedToPlanar(&argb[i], rgb); 654fa39824bb690c5806358871f46940d0450973d8aJames Zern HorizontalAddPack(&rgb[0], &rgb[1], &rgb[0]); 655fa39824bb690c5806358871f46940d0450973d8aJames Zern HorizontalAddPack(&rgb[2], &rgb[3], &rgb[2]); 656fa39824bb690c5806358871f46940d0450973d8aJames Zern HorizontalAddPack(&rgb[4], &rgb[5], &rgb[4]); 657fa39824bb690c5806358871f46940d0450973d8aJames Zern ConvertRGBToUV(&rgb[0], &rgb[2], &rgb[4], &U0, &V0); 658fa39824bb690c5806358871f46940d0450973d8aJames Zern 659fa39824bb690c5806358871f46940d0450973d8aJames Zern RGB32PackedToPlanar(&argb[i + 16], rgb); 660fa39824bb690c5806358871f46940d0450973d8aJames Zern HorizontalAddPack(&rgb[0], &rgb[1], &rgb[0]); 661fa39824bb690c5806358871f46940d0450973d8aJames Zern HorizontalAddPack(&rgb[2], &rgb[3], &rgb[2]); 662fa39824bb690c5806358871f46940d0450973d8aJames Zern HorizontalAddPack(&rgb[4], &rgb[5], &rgb[4]); 663fa39824bb690c5806358871f46940d0450973d8aJames Zern ConvertRGBToUV(&rgb[0], &rgb[2], &rgb[4], &U1, &V1); 6647c8da7ce66017295a65ec028084b90800be377f8James Zern 6657c8da7ce66017295a65ec028084b90800be377f8James Zern U0 = _mm_packus_epi16(U0, U1); 6667c8da7ce66017295a65ec028084b90800be377f8James Zern V0 = _mm_packus_epi16(V0, V1); 6677c8da7ce66017295a65ec028084b90800be377f8James Zern if (!do_store) { 6687c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i prev_u = LOAD_16(u); 6697c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i prev_v = LOAD_16(v); 6707c8da7ce66017295a65ec028084b90800be377f8James Zern U0 = _mm_avg_epu8(U0, prev_u); 6717c8da7ce66017295a65ec028084b90800be377f8James Zern V0 = _mm_avg_epu8(V0, prev_v); 6727c8da7ce66017295a65ec028084b90800be377f8James Zern } 6737c8da7ce66017295a65ec028084b90800be377f8James Zern STORE_16(U0, u); 6747c8da7ce66017295a65ec028084b90800be377f8James Zern STORE_16(V0, v); 6757c8da7ce66017295a65ec028084b90800be377f8James Zern } 6767c8da7ce66017295a65ec028084b90800be377f8James Zern if (i < src_width) { // left-over 6777c8da7ce66017295a65ec028084b90800be377f8James Zern WebPConvertARGBToUV_C(argb + i, u, v, src_width - i, do_store); 6787c8da7ce66017295a65ec028084b90800be377f8James Zern } 6797c8da7ce66017295a65ec028084b90800be377f8James Zern} 6807c8da7ce66017295a65ec028084b90800be377f8James Zern 6817c8da7ce66017295a65ec028084b90800be377f8James Zern// Convert 16 packed ARGB 16b-values to r[], g[], b[] 6827c8da7ce66017295a65ec028084b90800be377f8James Zernstatic WEBP_INLINE void RGBA32PackedToPlanar_16b(const uint16_t* const rgbx, 6837c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const r, 6847c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const g, 6857c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i* const b) { 6867c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i in0 = LOAD_16(rgbx + 0); // r0 | g0 | b0 |x| r1 | g1 | b1 |x 6877c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i in1 = LOAD_16(rgbx + 8); // r2 | g2 | b2 |x| r3 | g3 | b3 |x 6887c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i in2 = LOAD_16(rgbx + 16); // r4 | ... 6897c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i in3 = LOAD_16(rgbx + 24); // r6 | ... 6907c8da7ce66017295a65ec028084b90800be377f8James Zern // column-wise transpose 6917c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i A0 = _mm_unpacklo_epi16(in0, in1); 6927c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i A1 = _mm_unpackhi_epi16(in0, in1); 6937c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i A2 = _mm_unpacklo_epi16(in2, in3); 6947c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i A3 = _mm_unpackhi_epi16(in2, in3); 6957c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i B0 = _mm_unpacklo_epi16(A0, A1); // r0 r1 r2 r3 | g0 g1 .. 6967c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i B1 = _mm_unpackhi_epi16(A0, A1); // b0 b1 b2 b3 | x x x x 6977c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i B2 = _mm_unpacklo_epi16(A2, A3); // r4 r5 r6 r7 | g4 g5 .. 6987c8da7ce66017295a65ec028084b90800be377f8James Zern const __m128i B3 = _mm_unpackhi_epi16(A2, A3); // b4 b5 b6 b7 | x x x x 6997c8da7ce66017295a65ec028084b90800be377f8James Zern *r = _mm_unpacklo_epi64(B0, B2); 7007c8da7ce66017295a65ec028084b90800be377f8James Zern *g = _mm_unpackhi_epi64(B0, B2); 7017c8da7ce66017295a65ec028084b90800be377f8James Zern *b = _mm_unpacklo_epi64(B1, B3); 7027c8da7ce66017295a65ec028084b90800be377f8James Zern} 7037c8da7ce66017295a65ec028084b90800be377f8James Zern 7047c8da7ce66017295a65ec028084b90800be377f8James Zernstatic void ConvertRGBA32ToUV(const uint16_t* rgb, 7057c8da7ce66017295a65ec028084b90800be377f8James Zern uint8_t* u, uint8_t* v, int width) { 7067c8da7ce66017295a65ec028084b90800be377f8James Zern const int max_width = width & ~15; 7077c8da7ce66017295a65ec028084b90800be377f8James Zern const uint16_t* const last_rgb = rgb + 4 * max_width; 7087c8da7ce66017295a65ec028084b90800be377f8James Zern while (rgb < last_rgb) { 7097c8da7ce66017295a65ec028084b90800be377f8James Zern __m128i r, g, b, U0, V0, U1, V1; 7107c8da7ce66017295a65ec028084b90800be377f8James Zern RGBA32PackedToPlanar_16b(rgb + 0, &r, &g, &b); 7117c8da7ce66017295a65ec028084b90800be377f8James Zern ConvertRGBToUV(&r, &g, &b, &U0, &V0); 7127c8da7ce66017295a65ec028084b90800be377f8James Zern RGBA32PackedToPlanar_16b(rgb + 32, &r, &g, &b); 7137c8da7ce66017295a65ec028084b90800be377f8James Zern ConvertRGBToUV(&r, &g, &b, &U1, &V1); 7147c8da7ce66017295a65ec028084b90800be377f8James Zern STORE_16(_mm_packus_epi16(U0, U1), u); 7157c8da7ce66017295a65ec028084b90800be377f8James Zern STORE_16(_mm_packus_epi16(V0, V1), v); 7167c8da7ce66017295a65ec028084b90800be377f8James Zern u += 16; 7177c8da7ce66017295a65ec028084b90800be377f8James Zern v += 16; 7187c8da7ce66017295a65ec028084b90800be377f8James Zern rgb += 2 * 32; 7197c8da7ce66017295a65ec028084b90800be377f8James Zern } 7207c8da7ce66017295a65ec028084b90800be377f8James Zern if (max_width < width) { // left-over 7217c8da7ce66017295a65ec028084b90800be377f8James Zern WebPConvertRGBA32ToUV_C(rgb, u, v, width - max_width); 7227c8da7ce66017295a65ec028084b90800be377f8James Zern } 7237c8da7ce66017295a65ec028084b90800be377f8James Zern} 7247c8da7ce66017295a65ec028084b90800be377f8James Zern 7257c8da7ce66017295a65ec028084b90800be377f8James Zern//------------------------------------------------------------------------------ 7267c8da7ce66017295a65ec028084b90800be377f8James Zern 7277c8da7ce66017295a65ec028084b90800be377f8James Zernextern void WebPInitConvertARGBToYUVSSE2(void); 7287c8da7ce66017295a65ec028084b90800be377f8James Zern 7297c8da7ce66017295a65ec028084b90800be377f8James ZernWEBP_TSAN_IGNORE_FUNCTION void WebPInitConvertARGBToYUVSSE2(void) { 7307c8da7ce66017295a65ec028084b90800be377f8James Zern WebPConvertARGBToY = ConvertARGBToY; 7317c8da7ce66017295a65ec028084b90800be377f8James Zern WebPConvertARGBToUV = ConvertARGBToUV; 7327c8da7ce66017295a65ec028084b90800be377f8James Zern 7337c8da7ce66017295a65ec028084b90800be377f8James Zern WebPConvertRGB24ToY = ConvertRGB24ToY; 7347c8da7ce66017295a65ec028084b90800be377f8James Zern WebPConvertBGR24ToY = ConvertBGR24ToY; 7357c8da7ce66017295a65ec028084b90800be377f8James Zern 7367c8da7ce66017295a65ec028084b90800be377f8James Zern WebPConvertRGBA32ToUV = ConvertRGBA32ToUV; 7377c8da7ce66017295a65ec028084b90800be377f8James Zern} 7387c8da7ce66017295a65ec028084b90800be377f8James Zern 739fa39824bb690c5806358871f46940d0450973d8aJames Zern//------------------------------------------------------------------------------ 740fa39824bb690c5806358871f46940d0450973d8aJames Zern 741fa39824bb690c5806358871f46940d0450973d8aJames Zern#define MAX_Y ((1 << 10) - 1) // 10b precision over 16b-arithmetic 742fa39824bb690c5806358871f46940d0450973d8aJames Zernstatic uint16_t clip_y(int v) { 743fa39824bb690c5806358871f46940d0450973d8aJames Zern return (v < 0) ? 0 : (v > MAX_Y) ? MAX_Y : (uint16_t)v; 744fa39824bb690c5806358871f46940d0450973d8aJames Zern} 745fa39824bb690c5806358871f46940d0450973d8aJames Zern 746fa39824bb690c5806358871f46940d0450973d8aJames Zernstatic uint64_t SharpYUVUpdateY_SSE2(const uint16_t* ref, const uint16_t* src, 747fa39824bb690c5806358871f46940d0450973d8aJames Zern uint16_t* dst, int len) { 748fa39824bb690c5806358871f46940d0450973d8aJames Zern uint64_t diff = 0; 749fa39824bb690c5806358871f46940d0450973d8aJames Zern uint32_t tmp[4]; 750fa39824bb690c5806358871f46940d0450973d8aJames Zern int i; 751fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i zero = _mm_setzero_si128(); 752fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i max = _mm_set1_epi16(MAX_Y); 753fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i one = _mm_set1_epi16(1); 754fa39824bb690c5806358871f46940d0450973d8aJames Zern __m128i sum = zero; 755fa39824bb690c5806358871f46940d0450973d8aJames Zern 756fa39824bb690c5806358871f46940d0450973d8aJames Zern for (i = 0; i + 8 <= len; i += 8) { 757fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i A = _mm_loadu_si128((const __m128i*)(ref + i)); 758fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i B = _mm_loadu_si128((const __m128i*)(src + i)); 759fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i C = _mm_loadu_si128((const __m128i*)(dst + i)); 760fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i D = _mm_sub_epi16(A, B); // diff_y 761fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i E = _mm_cmpgt_epi16(zero, D); // sign (-1 or 0) 762fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i F = _mm_add_epi16(C, D); // new_y 763fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i G = _mm_or_si128(E, one); // -1 or 1 764fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i H = _mm_max_epi16(_mm_min_epi16(F, max), zero); 765fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i I = _mm_madd_epi16(D, G); // sum(abs(...)) 766fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(dst + i), H); 767fa39824bb690c5806358871f46940d0450973d8aJames Zern sum = _mm_add_epi32(sum, I); 768fa39824bb690c5806358871f46940d0450973d8aJames Zern } 769fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)tmp, sum); 770fa39824bb690c5806358871f46940d0450973d8aJames Zern diff = tmp[3] + tmp[2] + tmp[1] + tmp[0]; 771fa39824bb690c5806358871f46940d0450973d8aJames Zern for (; i < len; ++i) { 772fa39824bb690c5806358871f46940d0450973d8aJames Zern const int diff_y = ref[i] - src[i]; 773fa39824bb690c5806358871f46940d0450973d8aJames Zern const int new_y = (int)dst[i] + diff_y; 774fa39824bb690c5806358871f46940d0450973d8aJames Zern dst[i] = clip_y(new_y); 775fa39824bb690c5806358871f46940d0450973d8aJames Zern diff += (uint64_t)abs(diff_y); 776fa39824bb690c5806358871f46940d0450973d8aJames Zern } 777fa39824bb690c5806358871f46940d0450973d8aJames Zern return diff; 778fa39824bb690c5806358871f46940d0450973d8aJames Zern} 779fa39824bb690c5806358871f46940d0450973d8aJames Zern 780fa39824bb690c5806358871f46940d0450973d8aJames Zernstatic void SharpYUVUpdateRGB_SSE2(const int16_t* ref, const int16_t* src, 781fa39824bb690c5806358871f46940d0450973d8aJames Zern int16_t* dst, int len) { 782fa39824bb690c5806358871f46940d0450973d8aJames Zern int i = 0; 783fa39824bb690c5806358871f46940d0450973d8aJames Zern for (i = 0; i + 8 <= len; i += 8) { 784fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i A = _mm_loadu_si128((const __m128i*)(ref + i)); 785fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i B = _mm_loadu_si128((const __m128i*)(src + i)); 786fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i C = _mm_loadu_si128((const __m128i*)(dst + i)); 787fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i D = _mm_sub_epi16(A, B); // diff_uv 788fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i E = _mm_add_epi16(C, D); // new_uv 789fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(dst + i), E); 790fa39824bb690c5806358871f46940d0450973d8aJames Zern } 791fa39824bb690c5806358871f46940d0450973d8aJames Zern for (; i < len; ++i) { 792fa39824bb690c5806358871f46940d0450973d8aJames Zern const int diff_uv = ref[i] - src[i]; 793fa39824bb690c5806358871f46940d0450973d8aJames Zern dst[i] += diff_uv; 794fa39824bb690c5806358871f46940d0450973d8aJames Zern } 795fa39824bb690c5806358871f46940d0450973d8aJames Zern} 796fa39824bb690c5806358871f46940d0450973d8aJames Zern 797fa39824bb690c5806358871f46940d0450973d8aJames Zernstatic void SharpYUVFilterRow_SSE2(const int16_t* A, const int16_t* B, int len, 798fa39824bb690c5806358871f46940d0450973d8aJames Zern const uint16_t* best_y, uint16_t* out) { 799fa39824bb690c5806358871f46940d0450973d8aJames Zern int i; 800fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i kCst8 = _mm_set1_epi16(8); 801fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i max = _mm_set1_epi16(MAX_Y); 802fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i zero = _mm_setzero_si128(); 803fa39824bb690c5806358871f46940d0450973d8aJames Zern for (i = 0; i + 8 <= len; i += 8) { 804fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i a0 = _mm_loadu_si128((const __m128i*)(A + i + 0)); 805fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i a1 = _mm_loadu_si128((const __m128i*)(A + i + 1)); 806fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i b0 = _mm_loadu_si128((const __m128i*)(B + i + 0)); 807fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i b1 = _mm_loadu_si128((const __m128i*)(B + i + 1)); 808fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i a0b1 = _mm_add_epi16(a0, b1); 809fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i a1b0 = _mm_add_epi16(a1, b0); 810fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i a0a1b0b1 = _mm_add_epi16(a0b1, a1b0); // A0+A1+B0+B1 811fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i a0a1b0b1_8 = _mm_add_epi16(a0a1b0b1, kCst8); 812fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i a0b1_2 = _mm_add_epi16(a0b1, a0b1); // 2*(A0+B1) 813fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i a1b0_2 = _mm_add_epi16(a1b0, a1b0); // 2*(A1+B0) 814fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i c0 = _mm_srai_epi16(_mm_add_epi16(a0b1_2, a0a1b0b1_8), 3); 815fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i c1 = _mm_srai_epi16(_mm_add_epi16(a1b0_2, a0a1b0b1_8), 3); 816fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i d0 = _mm_add_epi16(c1, a0); 817fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i d1 = _mm_add_epi16(c0, a1); 818fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i e0 = _mm_srai_epi16(d0, 1); 819fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i e1 = _mm_srai_epi16(d1, 1); 820fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i f0 = _mm_unpacklo_epi16(e0, e1); 821fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i f1 = _mm_unpackhi_epi16(e0, e1); 822fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i g0 = _mm_loadu_si128((const __m128i*)(best_y + 2 * i + 0)); 823fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i g1 = _mm_loadu_si128((const __m128i*)(best_y + 2 * i + 8)); 824fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i h0 = _mm_add_epi16(g0, f0); 825fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i h1 = _mm_add_epi16(g1, f1); 826fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i i0 = _mm_max_epi16(_mm_min_epi16(h0, max), zero); 827fa39824bb690c5806358871f46940d0450973d8aJames Zern const __m128i i1 = _mm_max_epi16(_mm_min_epi16(h1, max), zero); 828fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(out + 2 * i + 0), i0); 829fa39824bb690c5806358871f46940d0450973d8aJames Zern _mm_storeu_si128((__m128i*)(out + 2 * i + 8), i1); 830fa39824bb690c5806358871f46940d0450973d8aJames Zern } 831fa39824bb690c5806358871f46940d0450973d8aJames Zern for (; i < len; ++i) { 832fa39824bb690c5806358871f46940d0450973d8aJames Zern // (9 * A0 + 3 * A1 + 3 * B0 + B1 + 8) >> 4 = 833fa39824bb690c5806358871f46940d0450973d8aJames Zern // = (8 * A0 + 2 * (A1 + B0) + (A0 + A1 + B0 + B1 + 8)) >> 4 834fa39824bb690c5806358871f46940d0450973d8aJames Zern // We reuse the common sub-expressions. 835fa39824bb690c5806358871f46940d0450973d8aJames Zern const int a0b1 = A[i + 0] + B[i + 1]; 836fa39824bb690c5806358871f46940d0450973d8aJames Zern const int a1b0 = A[i + 1] + B[i + 0]; 837fa39824bb690c5806358871f46940d0450973d8aJames Zern const int a0a1b0b1 = a0b1 + a1b0 + 8; 838fa39824bb690c5806358871f46940d0450973d8aJames Zern const int v0 = (8 * A[i + 0] + 2 * a1b0 + a0a1b0b1) >> 4; 839fa39824bb690c5806358871f46940d0450973d8aJames Zern const int v1 = (8 * A[i + 1] + 2 * a0b1 + a0a1b0b1) >> 4; 840fa39824bb690c5806358871f46940d0450973d8aJames Zern out[2 * i + 0] = clip_y(best_y[2 * i + 0] + v0); 841fa39824bb690c5806358871f46940d0450973d8aJames Zern out[2 * i + 1] = clip_y(best_y[2 * i + 1] + v1); 842fa39824bb690c5806358871f46940d0450973d8aJames Zern } 843fa39824bb690c5806358871f46940d0450973d8aJames Zern} 844fa39824bb690c5806358871f46940d0450973d8aJames Zern 845fa39824bb690c5806358871f46940d0450973d8aJames Zern#undef MAX_Y 846fa39824bb690c5806358871f46940d0450973d8aJames Zern 847fa39824bb690c5806358871f46940d0450973d8aJames Zern//------------------------------------------------------------------------------ 848fa39824bb690c5806358871f46940d0450973d8aJames Zern 849fa39824bb690c5806358871f46940d0450973d8aJames Zernextern void WebPInitSharpYUVSSE2(void); 850fa39824bb690c5806358871f46940d0450973d8aJames Zern 851fa39824bb690c5806358871f46940d0450973d8aJames ZernWEBP_TSAN_IGNORE_FUNCTION void WebPInitSharpYUVSSE2(void) { 852fa39824bb690c5806358871f46940d0450973d8aJames Zern WebPSharpYUVUpdateY = SharpYUVUpdateY_SSE2; 853fa39824bb690c5806358871f46940d0450973d8aJames Zern WebPSharpYUVUpdateRGB = SharpYUVUpdateRGB_SSE2; 854fa39824bb690c5806358871f46940d0450973d8aJames Zern WebPSharpYUVFilterRow = SharpYUVFilterRow_SSE2; 855fa39824bb690c5806358871f46940d0450973d8aJames Zern} 856fa39824bb690c5806358871f46940d0450973d8aJames Zern 8577c8da7ce66017295a65ec028084b90800be377f8James Zern#else // !WEBP_USE_SSE2 8587c8da7ce66017295a65ec028084b90800be377f8James Zern 8597c8da7ce66017295a65ec028084b90800be377f8James ZernWEBP_DSP_INIT_STUB(WebPInitSamplersSSE2) 8607c8da7ce66017295a65ec028084b90800be377f8James ZernWEBP_DSP_INIT_STUB(WebPInitConvertARGBToYUVSSE2) 861fa39824bb690c5806358871f46940d0450973d8aJames ZernWEBP_DSP_INIT_STUB(WebPInitSharpYUVSSE2) 8627c8da7ce66017295a65ec028084b90800be377f8James Zern 8637c8da7ce66017295a65ec028084b90800be377f8James Zern#endif // WEBP_USE_SSE2 864