| /* |
| * Copyright 2021 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/core/SkMatrix.h" |
| #include "include/core/SkPath.h" |
| #include "src/gpu/tessellate/Tessellation.h" |
| #include "tests/Test.h" |
| |
| namespace skgpu::tess { |
| |
| DEF_TEST(PreChopPathCurves, reporter) { |
| // These particular test cases can get stuck in infinite recursion due to limited fp32 |
| // precision. (Although they will not with the provided tessellationPrecision values; we had to |
| // lower precision in order to avoid the "viewport size" assert in PreChopPathCurves.) Bump the |
| // tessellationPreciion up to 4 and run these tests in order to verify our bail condition for |
| // infinite recursion caused by bad fp32 precision. If the test completes, it passed. |
| SkPath p = SkPath().moveTo(11.171727877046647f, -11.78621173228717f) |
| .quadTo(11.171727877046647f, -11.78621173228717f, |
| 8.33583747124031f, 77.27177002747368f) |
| .cubicTo(8.33583747124031f, 77.27177002747368f, |
| 8.33583747124031f, 77.27177002747368f, |
| 11.171727877046647f, -11.78621173228717f) |
| .conicTo(11.171727877046647f, -11.78621173228717f, |
| 8.33583747124031f, 77.27177002747368f, |
| 1e-6f) |
| .conicTo(8.33583747124031f, 77.27177002747368f, |
| 11.171727877046647f, -11.78621173228717f, |
| 1e6f); |
| |
| SkMatrix m = SkMatrix::Scale(138.68622826903837f, 74192976757580.44189f); |
| PreChopPathCurves(1/16.f, p, m, {1000, -74088852800000.f, 3000, -74088852700000.f}); |
| |
| m = SkMatrix::Scale(138.68622826903837f, 74192976757580.44189f*.3f); |
| PreChopPathCurves(.25f, p, m, {1000, -22226658140000.f, 3000, -22226658130000.f}); |
| |
| m = SkMatrix::Scale(138.68622826903837f, 74192976757580.44189f/4); |
| PreChopPathCurves(.25f, p, m, {1000, -18522213200000.f, 3000, -18522213100000.f}); |
| } |
| |
| } // namespace skgpu::tess |