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Commit 5e3af5fc authored by Romain Guy's avatar Romain Guy
Browse files

Rescale ColorMatrix' vector to the [0..1] range 

Bug #3246354

Change-Id: Idea7a1e6633c71119628315d65315076bc445eb0
parent d4b7b637

libs/hwui/SkiaColorFilter.cpp

+5 −0
Original line number Diff line number Diff line
@@ -36,6 +36,11 @@ SkiaColorFilter::~SkiaColorFilter() { 


SkiaColorMatrixFilter::SkiaColorMatrixFilter(SkColorFilter *skFilter, float* matrix, float* vector):

        SkiaColorFilter(skFilter, kColorMatrix, true), mMatrix(matrix), mVector(vector) {

    // Skia uses the range [0..255] for the addition vector, but we need

    // the [0..1] range to apply the vector in GLSL

    for (int i = 0; i < 4; i++) {

        mVector[i] /= 255.0f;

    }

}



SkiaColorMatrixFilter::~SkiaColorMatrixFilter() {