| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Test.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrContext.h" |
| #include "GrTest.h" |
| #include "batches/GrAADistanceFieldPathRenderer.h" |
| #include "SkPath.h" |
| |
| // This test case including path coords and matrix taken from crbug.com/627443. |
| // Because of inaccuracies in large floating point values this causes the |
| // the path renderer to attempt to add a path DF to its atlas that is larger |
| // than the plot size which used to crash rather than fail gracefully. |
| static void test_far_from_origin(GrDrawContext* drawContext, GrPathRenderer* pr, |
| GrResourceProvider* rp) { |
| SkPath path; |
| path.lineTo(49.0255089839f, 0.473541f); |
| // This extra line wasn't in the original bug but was added to fake out GrShape's special |
| // handling of single line segments. |
| path.rLineTo(0.015f, 0.015f); |
| static constexpr SkScalar mvals[] = {14.0348252854f, 2.13026182736f, |
| 13.6122547187f, 118.309922702f, |
| 1912337682.09f, 2105391889.87f}; |
| SkMatrix matrix; |
| matrix.setAffine(mvals); |
| SkMatrix inverse; |
| SkAssertResult(matrix.invert(&inverse)); |
| path.transform(inverse); |
| |
| SkStrokeRec rec(SkStrokeRec::kFill_InitStyle); |
| rec.setStrokeStyle(1.f); |
| rec.setStrokeParams(SkPaint::kRound_Cap, SkPaint::kRound_Join, 1.f); |
| GrStyle style(rec, nullptr); |
| |
| GrShape shape(path, style); |
| shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, 1.f); |
| |
| GrPaint paint; |
| paint.setXPFactory(GrPorterDuffXPFactory::Make(SkXfermode::kSrc_Mode)); |
| |
| GrNoClip noClip; |
| GrPathRenderer::DrawPathArgs args; |
| args.fPaint = &paint; |
| args.fUserStencilSettings = &GrUserStencilSettings::kUnused; |
| args.fDrawContext = drawContext; |
| args.fClip = &noClip; |
| args.fResourceProvider = rp; |
| args.fViewMatrix = &matrix; |
| args.fShape = &shape; |
| args.fAntiAlias = true; |
| args.fGammaCorrect = false; |
| pr->drawPath(args); |
| } |
| |
| DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(AADistanceFieldPathRenderer, reporter, ctxInfo) { |
| // The DF PR only works with contexts that support derivatives |
| if (!ctxInfo.grContext()->caps()->shaderCaps()->shaderDerivativeSupport()) { |
| return; |
| } |
| sk_sp<GrDrawContext> dc(ctxInfo.grContext()->makeDrawContext(SkBackingFit::kApprox, |
| 800, 800, |
| kRGBA_8888_GrPixelConfig, |
| nullptr, |
| 0, |
| kTopLeft_GrSurfaceOrigin)); |
| if (!dc) { |
| return; |
| } |
| |
| GrAADistanceFieldPathRenderer dfpr; |
| GrTestTarget tt; |
| ctxInfo.grContext()->getTestTarget(&tt, dc); |
| GrResourceProvider* rp = tt.resourceProvider(); |
| |
| test_far_from_origin(dc.get(), &dfpr, rp); |
| ctxInfo.grContext()->flush(); |
| } |
| #endif |