diff options
| author |  bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-09-17 17:23:21 +0000 |
|---|---|---|
| committer | bsalomon@google.com <bsalomon@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-09-17 17:23:21 +0000 |
| commit | 7534747e631c49680f7199ccf9e71a359cfa647d (patch) | |
| tree | 1b51964a307b5449217c78e426b2c3c06175ddbb /include | |
| parent | 0729b623730983821ef53fad9c988bad030509ed (diff) | |
Add GrColor to RGBA float helper func
Review URL: https://codereview.appspot.com/6518044/
git-svn-id: http://skia.googlecode.com/svn/trunk@5572 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'include')
| -rw-r--r-- | include/gpu/GrColor.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/gpu/GrColor.h b/include/gpu/GrColor.h index ed666dee26..4318f141dd 100644 --- a/include/gpu/GrColor.h +++ b/include/gpu/GrColor.h @@ -58,5 +58,14 @@ static inline GrColor GrColorPackRGBA(unsigned r, unsigned g, */ #define GrColor_ILLEGAL (~(0xFF << GrColor_SHIFT_A)) +/** Converts a GrColor to an rgba array of GrGLfloat */ +static inline void GrColorToRGBAFloat(GrColor color, float rgba[4]) { + static const float ONE_OVER_255 = 1.f / 255.f; + rgba[0] = GrColorUnpackR(color) * ONE_OVER_255; + rgba[1] = GrColorUnpackG(color) * ONE_OVER_255; + rgba[2] = GrColorUnpackB(color) * ONE_OVER_255; + rgba[3] = GrColorUnpackA(color) * ONE_OVER_255; +} + #endif |