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