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Use SkTMin and SkTMax for clamp/pin.

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This changes SkScalarClampMax and SkScalarPin to use SkTMin and SkTMax.
This change allows compilers to more easily transform these operations
into fast max/min operarations as opposed to conditional branches.

Review URL: https://codereview.chromium.org/993593002
This commit is contained in:
bungeman 2015-03-09 13:40:15 -07:00 committed by Commit bot
parent a548593a65
commit 167eb17cd6
1 changed files with 6 additions and 2 deletions
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8
include/core/SkScalar.h
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@ -169,11 +169,15 @@ static inline int SkDScalarRoundToInt(SkScalar x) {
}
static inline SkScalar SkScalarClampMax(SkScalar x, SkScalar max) {
return x < 0 ? 0 : x > max ? max : x;
x = SkTMin(x, max);
x = SkTMax<SkScalar>(x, 0);
return x;
}
static inline SkScalar SkScalarPin(SkScalar x, SkScalar min, SkScalar max) {
return x < min ? min : x > max ? max : x;
x = SkTMin(x, max);
x = SkTMax(x, min);
return x;
}
SkScalar SkScalarSinCos(SkScalar radians, SkScalar* cosValue);