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