dolphin/Source/Core/VideoCommon/LookUpTables.h
2013-12-31 14:03:19 -05:00

35 lines
615 B
C

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#ifndef _LOOKUPTABLES_H
#define _LOOKUPTABLES_H
#include "Common.h"
inline u8 Convert3To8(u8 v)
{
// Swizzle bits: 00000123 -> 12312312
return (v << 5) | (v << 2) | (v >> 1);
}
inline u8 Convert4To8(u8 v)
{
// Swizzle bits: 00001234 -> 12341234
return (v << 4) | v;
}
inline u8 Convert5To8(u8 v)
{
// Swizzle bits: 00012345 -> 12345123
return (v << 3) | (v >> 2);
}
inline u8 Convert6To8(u8 v)
{
// Swizzle bits: 00123456 -> 12345612
return (v << 2) | (v >> 4);
}
#endif // _LOOKUPTABLES_H