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handle failing pathop tests

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Some tests isolated from GrShapes_arcs do not
fail gracefully, so make sure errors are properly
handled.

TBR=reed@google.com

Bug: skia:
Change-Id: Ia8c9903e64ef755ec11c398df3e5d258ca1f5f8b
Reviewed-on: https://skia-review.googlesource.com/143112
Reviewed-by: Cary Clark <caryclark@skia.org>
Commit-Queue: Cary Clark <caryclark@skia.org>
Auto-Submit: Cary Clark <caryclark@skia.org>
This commit is contained in:
Cary Clark 2018-07-24 12:40:10 -04:00 committed by Skia Commit-Bot
parent 6a4e60bb8f
commit 2587f41f26
8 changed files with 4796 additions and 39 deletions
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51
src/pathops/SkOpSegment.cpp
View File

@ -338,7 +338,7 @@ SkOpSpanBase::Collapsed SkOpSegment::collapsed(double s, double e) const {
return SkOpSpanBase::Collapsed::kNo;
}
void SkOpSegment::ComputeOneSum(const SkOpAngle* baseAngle, SkOpAngle* nextAngle,
bool SkOpSegment::ComputeOneSum(const SkOpAngle* baseAngle, SkOpAngle* nextAngle,
SkOpAngle::IncludeType includeType) {
SkOpSegment* baseSegment = baseAngle->segment();
int sumMiWinding = baseSegment->updateWindingReverse(baseAngle);
@ -358,17 +358,22 @@ void SkOpSegment::ComputeOneSum(const SkOpAngle* baseAngle, SkOpAngle* nextAngle
int oppMaxWinding, oppSumWinding;
nextSegment->setUpWindings(nextAngle->start(), nextAngle->end(), &sumMiWinding,
&sumSuWinding, &maxWinding, &sumWinding, &oppMaxWinding, &oppSumWinding);
last = nextSegment->markAngle(maxWinding, sumWinding, oppMaxWinding, oppSumWinding,
nextAngle);
if (!nextSegment->markAngle(maxWinding, sumWinding, oppMaxWinding, oppSumWinding,
nextAngle, &last)) {
return false;
}
} else {
nextSegment->setUpWindings(nextAngle->start(), nextAngle->end(), &sumMiWinding,
&maxWinding, &sumWinding);
last = nextSegment->markAngle(maxWinding, sumWinding, nextAngle);
if (!nextSegment->markAngle(maxWinding, sumWinding, nextAngle, &last)) {
return false;
}
}
nextAngle->setLastMarked(last);
return true;
}
void SkOpSegment::ComputeOneSumReverse(SkOpAngle* baseAngle, SkOpAngle* nextAngle,
bool SkOpSegment::ComputeOneSumReverse(SkOpAngle* baseAngle, SkOpAngle* nextAngle,
SkOpAngle::IncludeType includeType) {
SkOpSegment* baseSegment = baseAngle->segment();
int sumMiWinding = baseSegment->updateWinding(baseAngle);
@ -388,14 +393,19 @@ void SkOpSegment::ComputeOneSumReverse(SkOpAngle* baseAngle, SkOpAngle* nextAngl
int oppMaxWinding, oppSumWinding;
nextSegment->setUpWindings(nextAngle->end(), nextAngle->start(), &sumMiWinding,
&sumSuWinding, &maxWinding, &sumWinding, &oppMaxWinding, &oppSumWinding);
last = nextSegment->markAngle(maxWinding, sumWinding, oppMaxWinding, oppSumWinding,
nextAngle);
if (!nextSegment->markAngle(maxWinding, sumWinding, oppMaxWinding, oppSumWinding,
nextAngle, &last)) {
return false;
}
} else {
nextSegment->setUpWindings(nextAngle->end(), nextAngle->start(), &sumMiWinding,
&maxWinding, &sumWinding);
last = nextSegment->markAngle(maxWinding, sumWinding, nextAngle);
if (!nextSegment->markAngle(maxWinding, sumWinding, nextAngle, &last)) {
return false;
}
}
nextAngle->setLastMarked(last);
return true;
}
// at this point, the span is already ordered, or unorderable
@ -910,10 +920,10 @@ bool SkOpSegment::markAndChaseWinding(SkOpSpanBase* start, SkOpSpanBase* end,
if (this->operand() == other->operand()) {
if (spanStart->windSum() != winding || spanStart->oppSum() != oppWinding) {
this->globalState()->setWindingFailed();
return false;
return true; // ... but let it succeed anyway
}
} else {
SkASSERT(spanStart->windSum() == oppWinding);
FAIL_IF(spanStart->windSum() != oppWinding);
SkASSERT(spanStart->oppSum() == winding);
}
SkASSERT(!last);
@ -931,13 +941,15 @@ bool SkOpSegment::markAndChaseWinding(SkOpSpanBase* start, SkOpSpanBase* end,
return success;
}
SkOpSpanBase* SkOpSegment::markAngle(int maxWinding, int sumWinding, const SkOpAngle* angle) {
bool SkOpSegment::markAngle(int maxWinding, int sumWinding, const SkOpAngle* angle,
SkOpSpanBase** result) {
SkASSERT(angle->segment() == this);
if (UseInnerWinding(maxWinding, sumWinding)) {
maxWinding = sumWinding;
}
SkOpSpanBase* last;
(void) markAndChaseWinding(angle->start(), angle->end(), maxWinding, &last);
if (!markAndChaseWinding(angle->start(), angle->end(), maxWinding, result)) {
return false;
}
#if DEBUG_WINDING
if (last) {
SkDebugf("%s last seg=%d span=%d", __FUNCTION__,
@ -949,11 +961,11 @@ SkOpSpanBase* SkOpSegment::markAngle(int maxWinding, int sumWinding, const SkOpA
SkDebugf("\n");
}
#endif
return last;
return true;
}
SkOpSpanBase* SkOpSegment::markAngle(int maxWinding, int sumWinding, int oppMaxWinding,
int oppSumWinding, const SkOpAngle* angle) {
bool SkOpSegment::markAngle(int maxWinding, int sumWinding, int oppMaxWinding,
int oppSumWinding, const SkOpAngle* angle, SkOpSpanBase** result) {
SkASSERT(angle->segment() == this);
if (UseInnerWinding(maxWinding, sumWinding)) {
maxWinding = sumWinding;
@ -961,9 +973,10 @@ SkOpSpanBase* SkOpSegment::markAngle(int maxWinding, int sumWinding, int oppMaxW
if (oppMaxWinding != oppSumWinding && UseInnerWinding(oppMaxWinding, oppSumWinding)) {
oppMaxWinding = oppSumWinding;
}
SkOpSpanBase* last = nullptr;
// caller doesn't require that this marks anything
(void) markAndChaseWinding(angle->start(), angle->end(), maxWinding, oppMaxWinding, &last);
if (!markAndChaseWinding(angle->start(), angle->end(), maxWinding, oppMaxWinding, result)) {
return false;
}
#if DEBUG_WINDING
if (last) {
SkDebugf("%s last segment=%d span=%d", __FUNCTION__,
@ -975,7 +988,7 @@ SkOpSpanBase* SkOpSegment::markAngle(int maxWinding, int sumWinding, int oppMaxW
SkDebugf(" \n");
}
#endif
return last;
return true;
}
void SkOpSegment::markDone(SkOpSpan* span) {

10
src/pathops/SkOpSegment.h
View File

@ -105,9 +105,9 @@ public:
void calcAngles();
SkOpSpanBase::Collapsed collapsed(double startT, double endT) const;
static void ComputeOneSum(const SkOpAngle* baseAngle, SkOpAngle* nextAngle,
static bool ComputeOneSum(const SkOpAngle* baseAngle, SkOpAngle* nextAngle,
SkOpAngle::IncludeType );
static void ComputeOneSumReverse(SkOpAngle* baseAngle, SkOpAngle* nextAngle,
static bool ComputeOneSumReverse(SkOpAngle* baseAngle, SkOpAngle* nextAngle,
SkOpAngle::IncludeType );
int computeSum(SkOpSpanBase* start, SkOpSpanBase* end, SkOpAngle::IncludeType includeType);
@ -279,9 +279,9 @@ public:
SkOpSpanBase** lastPtr);
bool markAndChaseWinding(SkOpSpanBase* start, SkOpSpanBase* end, int winding,
int oppWinding, SkOpSpanBase** lastPtr);
SkOpSpanBase* markAngle(int maxWinding, int sumWinding, const SkOpAngle* angle);
SkOpSpanBase* markAngle(int maxWinding, int sumWinding, int oppMaxWinding, int oppSumWinding,
const SkOpAngle* angle);
bool markAngle(int maxWinding, int sumWinding, const SkOpAngle* angle, SkOpSpanBase** result);
bool markAngle(int maxWinding, int sumWinding, int oppMaxWinding, int oppSumWinding,
const SkOpAngle* angle, SkOpSpanBase** result);
void markDone(SkOpSpan* );
bool markWinding(SkOpSpan* , int winding);
bool markWinding(SkOpSpan* , int winding, int oppWinding);

3
src/pathops/SkPathOpsCommon.cpp
View File

@ -156,7 +156,8 @@ SkOpSegment* FindChase(SkTDArray<SkOpSpanBase*>* chase, SkOpSpanBase** startPtr,
}
// OPTIMIZATION: should this also add to the chase?
if (sortable) {
(void) segment->markAngle(maxWinding, sumWinding, angle);
// TODO: add error handling
SkAssertResult(segment->markAngle(maxWinding, sumWinding, angle, nullptr));
}
}
}

34
src/pathops/SkPathOpsOp.cpp
View File

@ -12,8 +12,8 @@
#include <utility>
static SkOpSegment* findChaseOp(SkTDArray<SkOpSpanBase*>& chase, SkOpSpanBase** startPtr,
SkOpSpanBase** endPtr) {
static bool findChaseOp(SkTDArray<SkOpSpanBase*>& chase, SkOpSpanBase** startPtr,
SkOpSpanBase** endPtr, SkOpSegment** result) {
while (chase.count()) {
SkOpSpanBase* span;
chase.pop(&span);
@ -30,7 +30,8 @@ static SkOpSegment* findChaseOp(SkTDArray<SkOpSpanBase*>& chase, SkOpSpanBase**
#else
*chase.append() = span;
#endif
return last->segment();
*result = last->segment();
return true;
}
if (done) {
continue;
@ -39,7 +40,8 @@ static SkOpSegment* findChaseOp(SkTDArray<SkOpSpanBase*>& chase, SkOpSpanBase**
bool sortable;
const SkOpAngle* angle = AngleWinding(*startPtr, *endPtr, &winding, &sortable);
if (!angle) {
return nullptr;
*result = nullptr;
return true;
}
if (winding == SK_MinS32) {
continue;
@ -50,12 +52,14 @@ static SkOpSegment* findChaseOp(SkTDArray<SkOpSpanBase*>& chase, SkOpSpanBase**
sumMiWinding = segment->updateWindingReverse(angle);
if (sumMiWinding == SK_MinS32) {
SkASSERT(segment->globalState()->debugSkipAssert());
return nullptr;
*result = nullptr;
return true;
}
sumSuWinding = segment->updateOppWindingReverse(angle);
if (sumSuWinding == SK_MinS32) {
SkASSERT(segment->globalState()->debugSkipAssert());
return nullptr;
*result = nullptr;
return true;
}
if (segment->operand()) {
using std::swap;
@ -81,8 +85,10 @@ static SkOpSegment* findChaseOp(SkTDArray<SkOpSpanBase*>& chase, SkOpSpanBase**
}
// OPTIMIZATION: should this also add to the chase?
if (sortable) {
(void) segment->markAngle(maxWinding, sumWinding, oppMaxWinding,
oppSumWinding, angle);
if (!segment->markAngle(maxWinding, sumWinding, oppMaxWinding,
oppSumWinding, angle, nullptr)) {
return false;
}
}
}
}
@ -92,10 +98,12 @@ static SkOpSegment* findChaseOp(SkTDArray<SkOpSpanBase*>& chase, SkOpSpanBase**
#else
*chase.append() = span;
#endif
return first;
*result = first;
return true;
}
}
return nullptr;
*result = nullptr;
return true;
}
static bool bridgeOp(SkOpContourHead* contourList, const SkPathOp op,
@ -181,7 +189,9 @@ static bool bridgeOp(SkOpContourHead* contourList, const SkPathOp op,
#endif
}
}
current = findChaseOp(chase, &start, &end);
if (!findChaseOp(chase, &start, &end, &current)) {
return false;
}
SkPathOpsDebug::ShowActiveSpans(contourList);
if (!current) {
break;
@ -347,10 +357,12 @@ bool OpDebug(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result
contourList->dumpSegments("aligned");
#endif
// construct closed contours
SkPath original = *result;
result->reset();
result->setFillType(fillType);
SkPathWriter wrapper(*result);
if (!bridgeOp(contourList, op, xorMask, xorOpMask, &wrapper)) {
*result = original;
return false;
}
wrapper.assemble(); // if some edges could not be resolved, assemble remaining

5
tests/PathOpsExtendedTest.cpp
View File

@ -520,6 +520,11 @@ bool testSimplifyCheck(skiatest::Reporter* reporter, const SkPath& path, const c
ExpectSuccess::kYes : ExpectSuccess::kNo, SkipAssert::kNo, ExpectMatch::kNo);
}
bool testSimplifyFail(skiatest::Reporter* reporter, const SkPath& path, const char* filename) {
return inner_simplify(reporter, path, filename,
ExpectSuccess::kNo, SkipAssert::kYes, ExpectMatch::kNo);
}
#if DEBUG_SHOW_TEST_NAME
static void showName(const SkPath& a, const SkPath& b, const SkPathOp shapeOp) {
SkDebugf("\n");

8
tests/PathOpsExtendedTest.h
View File

@ -38,15 +38,17 @@ extern bool testPathOpCheck(skiatest::Reporter* reporter, const SkPath& a, const
const SkPathOp , const char* testName, bool checkFail);
extern bool testPathOpFail(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
const SkPathOp, const char* testName);
extern bool testPathOpFuzz(skiatest::Reporter* reporter, const SkPath& a,
const SkPath& b, const SkPathOp , const char* testName);
extern bool testPathOpFuzz(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
const SkPathOp , const char* testName);
extern bool testSimplify(SkPath& path, bool useXor, SkPath& out, PathOpsThreadState& state,
const char* pathStr);
extern bool testSimplify(skiatest::Reporter* reporter, const SkPath& path, const char* filename);
extern bool testSimplifyCheck(skiatest::Reporter* reporter, const SkPath& path,
const char* filename, bool checkFail);
extern bool testSimplifyFail(skiatest::Reporter* reporter, const SkPath& path,
const char* filename);
extern bool testSimplifyFuzz(skiatest::Reporter* reporter, const SkPath& path,
const char* filename);
const char* filename);
void initializeTests(skiatest::Reporter* reporter, const char* testName);

3149
tests/PathOpsOpTest.cpp
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File diff suppressed because it is too large Load Diff

1575
tests/PathOpsSimplifyTest.cpp
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File diff suppressed because it is too large Load Diff