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Merge pull request #3027 from lioncash/constexpr 

LookUpTables: Make functions constexpr
This commit is contained in:
Markus Wick 2015-09-12 09:39:38 +02:00
parent f121d7a8cd baa9eacd51
commit 35ecc2701d
1 changed files with 4 additions and 4 deletions
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8
Source/Core/VideoCommon/LookUpTables.h
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@ -6,25 +6,25 @@
#include "Common/CommonTypes.h" #include "Common/CommonTypes.h"
inline u8 Convert3To8(u8 v) constexpr u8 Convert3To8(u8 v)
{ {
// Swizzle bits: 00000123 -> 12312312 // Swizzle bits: 00000123 -> 12312312
return (v << 5) | (v << 2) | (v >> 1); return (v << 5) | (v << 2) | (v >> 1);
} }
inline u8 Convert4To8(u8 v) constexpr u8 Convert4To8(u8 v)
{ {
// Swizzle bits: 00001234 -> 12341234 // Swizzle bits: 00001234 -> 12341234
return (v << 4) | v; return (v << 4) | v;
} }
inline u8 Convert5To8(u8 v) constexpr u8 Convert5To8(u8 v)
{ {
// Swizzle bits: 00012345 -> 12345123 // Swizzle bits: 00012345 -> 12345123
return (v << 3) | (v >> 2); return (v << 3) | (v >> 2);
} }
inline u8 Convert6To8(u8 v) constexpr u8 Convert6To8(u8 v)
{ {
// Swizzle bits: 00123456 -> 12345612 // Swizzle bits: 00123456 -> 12345612
return (v << 2) | (v >> 4); return (v << 2) | (v >> 4);