mirror of
https://github.com/libretro/dolphin
synced 2024-09-19 12:05:10 -04:00
32 lines
586 B
C++
32 lines
586 B
C++
// Copyright 2008 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include "Common/CommonTypes.h"
|
|
|
|
constexpr u8 Convert3To8(u8 v)
|
|
{
|
|
// Swizzle bits: 00000123 -> 12312312
|
|
return (v << 5) | (v << 2) | (v >> 1);
|
|
}
|
|
|
|
constexpr u8 Convert4To8(u8 v)
|
|
{
|
|
// Swizzle bits: 00001234 -> 12341234
|
|
return (v << 4) | v;
|
|
}
|
|
|
|
constexpr u8 Convert5To8(u8 v)
|
|
{
|
|
// Swizzle bits: 00012345 -> 12345123
|
|
return (v << 3) | (v >> 2);
|
|
}
|
|
|
|
constexpr u8 Convert6To8(u8 v)
|
|
{
|
|
// Swizzle bits: 00123456 -> 12345612
|
|
return (v << 2) | (v >> 4);
|
|
}
|