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Make degenerate kernel in fill_in_2D_gaussian_kernel sum to 1

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Bug: 836113
Change-Id: I1b2ed1d67648163571df6c497365d2a293b3b589
Reviewed-on: https://skia-review.googlesource.com/126020
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
This commit is contained in:
Robert Phillips 2018-05-04 13:12:35 -04:00 committed by Skia Commit-Bot
parent 72de74504f
commit bd66caa7ac
1 changed files with 2 additions and 0 deletions
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2
src/gpu/effects/GrMatrixConvolutionEffect.cpp
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@ -220,9 +220,11 @@ static void fill_in_2D_gaussian_kernel(float* kernel, int width, int height,
if (SkScalarNearlyZero(twoSigmaSqrdX, SK_ScalarNearlyZero) ||
SkScalarNearlyZero(twoSigmaSqrdY, SK_ScalarNearlyZero)) {
SkASSERT(3 == width && 3 == height);
for (int i = 0; i < width * height; ++i) {
kernel[i] = 0.0f;
}
kernel[4] = 1.0f;
return;
}