Index: tests/DFPathRendererTest.cpp |
diff --git a/tests/DFPathRendererTest.cpp b/tests/DFPathRendererTest.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..561ec45629721cb5ba85064ab4000fa12a5f2101 |
--- /dev/null |
+++ b/tests/DFPathRendererTest.cpp |
@@ -0,0 +1,80 @@ |
+/* |
+ * 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); |
+ 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; |
+ |
+ 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> drawContext(ctxInfo.grContext()->newDrawContext(SkBackingFit::kApprox, |
+ 800, 800, |
+ kSkia8888_GrPixelConfig, |
+ 0, |
+ kTopLeft_GrSurfaceOrigin)); |
+ if (!drawContext) { |
+ return; |
+ } |
+ |
+ GrAADistanceFieldPathRenderer dfpr; |
+ GrTestTarget tt; |
+ ctxInfo.grContext()->getTestTarget(&tt, drawContext); |
+ GrResourceProvider* rp = tt.resourceProvider(); |
+ |
+ test_far_from_origin(drawContext.get(), &dfpr, rp); |
+ ctxInfo.grContext()->flush(); |
+} |
+#endif |