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/ganesh/GrEagerVertexAllocator.h"
12 #include "src/gpu/ganesh/geometry/GrPathUtils.h"
13 #include "src/gpu/ganesh/geometry/GrTriangulator.h"
14
15
DEF_FUZZ(Triangulation,fuzz)16 DEF_FUZZ(Triangulation, fuzz) {
17 #if !defined(SK_ENABLE_OPTIMIZE_SIZE)
18 SkPath path;
19 FuzzEvilPath(fuzz, &path, SkPath::Verb::kDone_Verb);
20
21 SkScalar tol = GrPathUtils::scaleToleranceToSrc(GrPathUtils::kDefaultTolerance,
22 SkMatrix::I(), path.getBounds());
23
24
25 // TODO(robertphillips): messing w/ the clipBounds might be another axis to fuzz.
26 // afaict it only affects inverse filled paths.
27 SkRect clipBounds = path.getBounds();
28
29 GrCpuVertexAllocator allocator;
30 bool isLinear;
31
32 int count = GrTriangulator::PathToTriangles(path, tol, clipBounds, &allocator, &isLinear);
33 if (count > 0) {
34 allocator.detachVertexData(); // normally handled by the triangulating path renderer.
35 }
36 #endif // SK_ENABLE_OPTIMIZE_SIZE
37 }
38