1 /*
2 * Copyright 2021 Google, LLC
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "fuzz/Fuzz.h"
9 #include "fuzz/FuzzCommon.h"
10 #include "include/core/SkPath.h"
11 #include "src/gpu/GrEagerVertexAllocator.h"
12 #include "src/gpu/geometry/GrPathUtils.h"
13 #include "src/gpu/geometry/GrTriangulator.h"
14
DEF_FUZZ(Triangulation,fuzz)15 DEF_FUZZ(Triangulation, fuzz) {
16
17 SkPath path;
18 FuzzEvilPath(fuzz, &path, SkPath::Verb::kDone_Verb);
19
20 SkScalar tol = GrPathUtils::scaleToleranceToSrc(GrPathUtils::kDefaultTolerance,
21 SkMatrix::I(), path.getBounds());
22
23
24 // TODO(robertphillips): messing w/ the clipBounds might be another axis to fuzz.
25 // afaict it only affects inverse filled paths.
26 SkRect clipBounds = path.getBounds();
27
28 GrCpuVertexAllocator allocator;
29 bool isLinear;
30
31 int count = GrTriangulator::PathToTriangles(path, tol, clipBounds, &allocator, &isLinear);
32 if (count > 0) {
33 allocator.detachVertexData(); // normally handled by the triangulating path renderer.
34 }
35 }
36