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Add fuzzer option for Blur w/o occluder

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I hypothesize that some backends look at the occluder and may have
accidentally (on purpose) been avoiding the linked bug.

Bug: skia:7956
Change-Id: If8d1de099f778b2faaa2c5ed4c562047b0dd14e7
Reviewed-on: https://skia-review.googlesource.com/131922
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
This commit is contained in:
Kevin Lubick 2018-06-04 17:02:46 -04:00 committed by Skia Commit-Bot
parent 74b390d6b1
commit 1b1a557d25
1 changed files with 9 additions and 5 deletions
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14
fuzz/FuzzCanvas.cpp
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@ -498,13 +498,17 @@ static sk_sp<SkMaskFilter> make_fuzz_maskfilter(Fuzz* fuzz) {
SkScalar sigma;
fuzz->next(&sigma);
SkRect occluder{0.0f, 0.0f, 0.0f, 0.0f};
if (make_fuzz_t<bool>(fuzz)) {
bool useOccluder;
fuzz->next(&useOccluder);
if (useOccluder) {
fuzz->next(&occluder);
}
uint32_t flags;
fuzz->nextRange(&flags, 0, 1);
bool respectCTM = flags != 0;
return SkMaskFilter::MakeBlur(blurStyle, sigma, occluder, respectCTM);
bool respectCTM;
fuzz->next(&respectCTM);
if (useOccluder) {
return SkMaskFilter::MakeBlur(blurStyle, sigma, occluder, respectCTM);
}
return SkMaskFilter::MakeBlur(blurStyle, sigma, respectCTM);
}
default:
SkASSERT(false);