1d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein/* 2d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein * Copyright 2015 Google Inc. 3d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein * 4d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein * Use of this source code is governed by a BSD-style license that can be 5d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein * found in the LICENSE file. 6d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein */ 7d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein 8d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline Sk4px::Sk4px(SkPMColor px) : INHERITED((uint8x16_t)vdupq_n_u32(px)) {} 9d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein 10d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline Sk4px Sk4px::Load4(const SkPMColor px[4]) { 11d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein return Sk16b((uint8x16_t)vld1q_u32(px)); 12d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 13d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline Sk4px Sk4px::Load2(const SkPMColor px[2]) { 14d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein uint32x2_t px2 = vld1_u32(px); 15d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein return Sk16b((uint8x16_t)vcombine_u32(px2, px2)); 16d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 17d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline Sk4px Sk4px::Load1(const SkPMColor px[1]) { 18d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein return Sk16b((uint8x16_t)vdupq_n_u32(*px)); 19d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 20d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein 21d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline void Sk4px::store4(SkPMColor px[4]) const { 22d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein vst1q_u32(px, (uint32x4_t)this->fVec); 23d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 24d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline void Sk4px::store2(SkPMColor px[2]) const { 25d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein vst1_u32(px, (uint32x2_t)vget_low_u8(this->fVec)); 26d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 27d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline void Sk4px::store1(SkPMColor px[1]) const { 28d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein vst1q_lane_u32(px, (uint32x4_t)this->fVec, 0); 29d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 30d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein 31d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline Sk4px::Wide Sk4px::widenLo() const { 32d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein return Sk16h(vmovl_u8(vget_low_u8 (this->fVec)), 33d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein vmovl_u8(vget_high_u8(this->fVec))); 34d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 35d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein 36d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline Sk4px::Wide Sk4px::widenHi() const { 37d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein return Sk16h(vshll_n_u8(vget_low_u8 (this->fVec), 8), 38d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein vshll_n_u8(vget_high_u8(this->fVec), 8)); 39d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 40d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein 41d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline Sk4px::Wide Sk4px::mulWiden(const Sk16b& other) const { 42d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein return Sk16h(vmull_u8(vget_low_u8 (this->fVec), vget_low_u8 (other.fVec)), 43d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein vmull_u8(vget_high_u8(this->fVec), vget_high_u8(other.fVec))); 44d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 45d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein 46d2ffd36eb62e99abe2920369d1e040954cc2044fmtkleininline Sk4px Sk4px::Wide::addNarrowHi(const Sk16h& other) const { 47d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein const Sk4px::Wide o(other); // Should be no code, but allows us to access fLo, fHi. 48d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein return Sk16b(vcombine_u8(vaddhn_u16(this->fLo.fVec, o.fLo.fVec), 49d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein vaddhn_u16(this->fHi.fVec, o.fHi.fVec))); 50d2ffd36eb62e99abe2920369d1e040954cc2044fmtklein} 518a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein 528a90edc2a58a4f8a4b4da73eb08e943be09538c0mtkleininline Sk4px Sk4px::alphas() const { 538a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein static_assert(SK_A32_SHIFT == 24, "This method assumes little-endian."); 548a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein auto as = vshrq_n_u32((uint32x4_t)this->fVec, 24); // ___3 ___2 ___1 ___0 558a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein as = vorrq_u32(as, vshlq_n_u32(as, 8)); // __33 __22 __11 __11 568a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein as = vorrq_u32(as, vshlq_n_u32(as, 16)); // 3333 2222 1111 1111 578a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein return Sk16b((uint8x16_t)as); 588a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein} 598a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein 608a90edc2a58a4f8a4b4da73eb08e943be09538c0mtkleininline Sk4px Sk4px::Load4Alphas(const SkAlpha a[4]) { 618a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein uint8x16_t a8 = vdupq_n_u8(0); // ____ ____ ____ ____ 628a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a8 = vld1q_lane_u8(a+0, a8, 0); // ____ ____ ____ ___0 638a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a8 = vld1q_lane_u8(a+1, a8, 4); // ____ ____ ___1 ___0 648a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a8 = vld1q_lane_u8(a+2, a8, 8); // ____ ___2 ___1 ___0 658a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a8 = vld1q_lane_u8(a+3, a8, 12); // ___3 ___2 ___1 ___0 668a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein auto a32 = (uint32x4_t)a8; // 678a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a32 = vorrq_u32(a32, vshlq_n_u32(a32, 8)); // __33 __22 __11 __00 688a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a32 = vorrq_u32(a32, vshlq_n_u32(a32, 16)); // 3333 2222 1111 0000 698a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein return Sk16b((uint8x16_t)a32); 708a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein} 718a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein 728a90edc2a58a4f8a4b4da73eb08e943be09538c0mtkleininline Sk4px Sk4px::Load2Alphas(const SkAlpha a[2]) { 738a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein uint8x16_t a8 = vdupq_n_u8(0); // ____ ____ ____ ____ 748a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a8 = vld1q_lane_u8(a+0, a8, 0); // ____ ____ ____ ___0 758a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a8 = vld1q_lane_u8(a+1, a8, 4); // ____ ____ ___1 ___0 768a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein auto a32 = (uint32x4_t)a8; // 778a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a32 = vorrq_u32(a32, vshlq_n_u32(a32, 8)); // ____ ____ __11 __00 788a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein a32 = vorrq_u32(a32, vshlq_n_u32(a32, 16)); // ____ ____ 1111 0000 798a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein return Sk16b((uint8x16_t)a32); 808a90edc2a58a4f8a4b4da73eb08e943be09538c0mtklein} 810135a41e095a433414e21e37b277dab7dcbec373mtklein 820135a41e095a433414e21e37b277dab7dcbec373mtkleininline Sk4px Sk4px::zeroColors() const { 830135a41e095a433414e21e37b277dab7dcbec373mtklein return Sk16b(vandq_u8(this->fVec, (uint8x16_t)vdupq_n_u32(0xFF << SK_A32_SHIFT))); 840135a41e095a433414e21e37b277dab7dcbec373mtklein} 850135a41e095a433414e21e37b277dab7dcbec373mtklein 860135a41e095a433414e21e37b277dab7dcbec373mtkleininline Sk4px Sk4px::zeroAlphas() const { 870135a41e095a433414e21e37b277dab7dcbec373mtklein // vbic(a,b) == a & ~b 880135a41e095a433414e21e37b277dab7dcbec373mtklein return Sk16b(vbicq_u8(this->fVec, (uint8x16_t)vdupq_n_u32(0xFF << SK_A32_SHIFT))); 890135a41e095a433414e21e37b277dab7dcbec373mtklein} 900135a41e095a433414e21e37b277dab7dcbec373mtklein 91