SkSwizzlePriv.h File Reference

#include "include/private/SkColorData.h"
#include "src/base/SkVx.h"
#include <cstdint>

Go to the source code of this file.

Namespaces
namespace	SkOpts

Typedefs
using	SkOpts::Swizzle_8888_u32 = void(*)(uint32_t *, const uint32_t *, int)
using	SkOpts::Swizzle_8888_u8 = void(*)(uint32_t *, const uint8_t *, int)

Functions
void	SkOpts::Init_Swizzler ()
static skvx::float4	swizzle_rb (const skvx::float4 &x)
static skvx::float4	swizzle_rb_if_bgra (const skvx::float4 &x)
static skvx::float4	Sk4f_fromL32 (uint32_t px)
static uint32_t	Sk4f_toL32 (const skvx::float4 &px)

Variables
Swizzle_8888_u32	SkOpts::RGBA_to_BGRA
Swizzle_8888_u32	SkOpts::RGBA_to_rgbA
Swizzle_8888_u32	SkOpts::RGBA_to_bgrA
Swizzle_8888_u32	SkOpts::rgbA_to_RGBA
Swizzle_8888_u32	SkOpts::rgbA_to_BGRA
Swizzle_8888_u32	SkOpts::inverted_CMYK_to_RGB1
Swizzle_8888_u32	SkOpts::inverted_CMYK_to_BGR1
Swizzle_8888_u8	SkOpts::RGB_to_RGB1
Swizzle_8888_u8	SkOpts::RGB_to_BGR1
Swizzle_8888_u8	SkOpts::gray_to_RGB1
Swizzle_8888_u8	SkOpts::grayA_to_RGBA
Swizzle_8888_u8	SkOpts::grayA_to_rgbA

Function Documentation

Sk4f_fromL32()

static skvx::float4 Sk4f_fromL32 ( uint32_t  px )

inlinestatic

Definition at line 49 of file SkSwizzlePriv.h.

                                                   {
    return skvx::cast<float>(skvx::byte4::Load(&px)) * (1 / 255.0f);
}

Sk4f_toL32()

static uint32_t Sk4f_toL32 ( const skvx::float4 &  px )

inlinestatic

Definition at line 53 of file SkSwizzlePriv.h.

                                                        {
    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;
}

swizzle_rb()

static skvx::float4 swizzle_rb ( const skvx::float4 &  x )

inlinestatic

Definition at line 37 of file SkSwizzlePriv.h.

                                                         {
    return skvx::shuffle<2, 1, 0, 3>(x);
}

swizzle_rb_if_bgra()

static skvx::float4 swizzle_rb_if_bgra ( const skvx::float4 &  x )

inlinestatic

Definition at line 41 of file SkSwizzlePriv.h.

                                                                 {
#if defined(SK_PMCOLOR_IS_BGRA)
    return swizzle_rb(x);
#else
    return x;
#endif
}