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/external/skia/src/effects/
DSkPerlinNoiseShader.cpp358 SkPoint fractionValue = SkPoint::Make(noiseX.noisePositionFractionValue, in noise2D() local
360 u = fPaintingData->fGradient[channel][b00].dot(fractionValue); in noise2D()
361 fractionValue.fX -= SK_Scalar1; // Offset (-1,0) in noise2D()
362 v = fPaintingData->fGradient[channel][b10].dot(fractionValue); in noise2D()
364 fractionValue.fY -= SK_Scalar1; // Offset (-1,-1) in noise2D()
365 v = fPaintingData->fGradient[channel][b11].dot(fractionValue); in noise2D()
366 fractionValue.fX = noiseX.noisePositionFractionValue; // Offset (0,-1) in noise2D()
367 u = fPaintingData->fGradient[channel][b01].dot(fractionValue); in noise2D()