| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/private/SkColorData.h" |
| #include "src/base/SkVx.h" |
| |
| #include <cstdint> |
| |
| static inline skvx::float4 swizzle_rb(const skvx::float4& x) { |
| return skvx::shuffle<2, 1, 0, 3>(x); |
| } |
| |
| static inline skvx::float4 swizzle_rb_if_bgra(const skvx::float4& x) { |
| #if defined(SK_PMCOLOR_IS_BGRA) |
| return swizzle_rb(x); |
| #else |
| return x; |
| #endif |
| } |
| |
| static inline skvx::float4 Sk4f_fromL32(uint32_t px) { |
| return skvx::cast<float>(skvx::byte4::Load(&px)) * (1 / 255.0f); |
| } |
| |
| static inline uint32_t Sk4f_toL32(const skvx::float4& px) { |
| uint32_t l32; |
| // For the expected positive color values, the +0.5 before the pin and cast effectively rounds |
| // to the nearest int without having to call round() or lrint(). |
| skvx::cast<uint8_t>(skvx::pin(px * 255.f + 0.5f, skvx::float4(0.f), skvx::float4(255.f))) |
| .store(&l32); |
| return l32; |
| } |