1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "include/private/SkColorData.h" 9 #include "src/base/SkVx.h" 10 11 #include <cstdint> 12 swizzle_rb(const skvx::float4 & x)13static inline skvx::float4 swizzle_rb(const skvx::float4& x) { 14 return skvx::shuffle<2, 1, 0, 3>(x); 15 } 16 swizzle_rb_if_bgra(const skvx::float4 & x)17static inline skvx::float4 swizzle_rb_if_bgra(const skvx::float4& x) { 18 #if defined(SK_PMCOLOR_IS_BGRA) 19 return swizzle_rb(x); 20 #else 21 return x; 22 #endif 23 } 24 Sk4f_fromL32(uint32_t px)25static inline skvx::float4 Sk4f_fromL32(uint32_t px) { 26 return skvx::cast<float>(skvx::byte4::Load(&px)) * (1 / 255.0f); 27 } 28 Sk4f_toL32(const skvx::float4 & px)29static inline uint32_t Sk4f_toL32(const skvx::float4& px) { 30 uint32_t l32; 31 // For the expected positive color values, the +0.5 before the pin and cast effectively rounds 32 // to the nearest int without having to call round() or lrint(). 33 skvx::cast<uint8_t>(skvx::pin(px * 255.f + 0.5f, skvx::float4(0.f), skvx::float4(255.f))) 34 .store(&l32); 35 return l32; 36 } 37