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/*
* 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;
}
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