/* * Copyright 2015 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "src/core/SkUtils.h" namespace { // NOLINT(google-build-namespaces) inline Sk4px::Wide Sk4px::widen() const { return Sk16h((*this)[ 0], (*this)[ 1], (*this)[ 2], (*this)[ 3], (*this)[ 4], (*this)[ 5], (*this)[ 6], (*this)[ 7], (*this)[ 8], (*this)[ 9], (*this)[10], (*this)[11], (*this)[12], (*this)[13], (*this)[14], (*this)[15]); } inline Sk4px::Wide Sk4px::mulWiden(const Sk16b& other) const { return this->widen() * Sk4px(other).widen(); } inline Sk4px Sk4px::Wide::addNarrowHi(const Sk16h& other) const { Sk4px::Wide r = (*this + other) >> 8; return Sk16b(r[ 0], r[ 1], r[ 2], r[ 3], r[ 4], r[ 5], r[ 6], r[ 7], r[ 8], r[ 9], r[10], r[11], r[12], r[13], r[14], r[15]); } inline Sk4px Sk4px::Wide::div255() const { // Calculated as ((x+128) + ((x+128)>>8)) >> 8. auto v = *this + Sk16h(128); return v.addNarrowHi(v>>8); } inline Sk4px Sk4px::alphas() const { static_assert(SK_A32_SHIFT == 24, "This method assumes little-endian."); return Sk16b((*this)[ 3], (*this)[ 3], (*this)[ 3], (*this)[ 3], (*this)[ 7], (*this)[ 7], (*this)[ 7], (*this)[ 7], (*this)[11], (*this)[11], (*this)[11], (*this)[11], (*this)[15], (*this)[15], (*this)[15], (*this)[15]); } inline Sk4px Sk4px::Load4Alphas(const SkAlpha a[4]) { return Sk16b(a[0], a[0], a[0], a[0], a[1], a[1], a[1], a[1], a[2], a[2], a[2], a[2], a[3], a[3], a[3], a[3]); } inline Sk4px Sk4px::Load2Alphas(const SkAlpha a[2]) { return Sk16b(a[0], a[0], a[0], a[0], a[1], a[1], a[1], a[1], 0,0,0,0, 0,0,0,0); } } // namespace