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Merge pull request #1379 from lioncash/color

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color: Make trivial helpers constexpr
This commit is contained in:
bunnei 2016-01-28 15:22:57 -05:00
commit 3ab6d77c20
1 changed files with 8 additions and 8 deletions
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16
src/common/color.h
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@ -11,42 +11,42 @@
namespace Color {
/// Convert a 1-bit color component to 8 bit
inline u8 Convert1To8(u8 value) {
constexpr u8 Convert1To8(u8 value) {
return value * 255;
}
/// Convert a 4-bit color component to 8 bit
inline u8 Convert4To8(u8 value) {
constexpr u8 Convert4To8(u8 value) {
return (value << 4) | value;
}
/// Convert a 5-bit color component to 8 bit
inline u8 Convert5To8(u8 value) {
constexpr u8 Convert5To8(u8 value) {
return (value << 3) | (value >> 2);
}
/// Convert a 6-bit color component to 8 bit
inline u8 Convert6To8(u8 value) {
constexpr u8 Convert6To8(u8 value) {
return (value << 2) | (value >> 4);
}
/// Convert a 8-bit color component to 1 bit
inline u8 Convert8To1(u8 value) {
constexpr u8 Convert8To1(u8 value) {
return value >> 7;
}
/// Convert a 8-bit color component to 4 bit
inline u8 Convert8To4(u8 value) {
constexpr u8 Convert8To4(u8 value) {
return value >> 4;
}
/// Convert a 8-bit color component to 5 bit
inline u8 Convert8To5(u8 value) {
constexpr u8 Convert8To5(u8 value) {
return value >> 3;
}
/// Convert a 8-bit color component to 6 bit
inline u8 Convert8To6(u8 value) {
constexpr u8 Convert8To6(u8 value) {
return value >> 2;
}