1105224f97
This is in preparation for GrTextureContext and GrSurfaceContext BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4030 Change-Id: Ie58c93052e68f3f1f5fe8d15d63760de274a6fbd Reviewed-on: https://skia-review.googlesource.com/4030 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com>
86 lines
3.2 KiB
C++
86 lines
3.2 KiB
C++
/*
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* Copyright 2016 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 "Test.h"
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "GrTest.h"
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#include "batches/GrAADistanceFieldPathRenderer.h"
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#include "SkPath.h"
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// This test case including path coords and matrix taken from crbug.com/627443.
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// Because of inaccuracies in large floating point values this causes the
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// the path renderer to attempt to add a path DF to its atlas that is larger
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// than the plot size which used to crash rather than fail gracefully.
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static void test_far_from_origin(GrRenderTargetContext* renderTargetContext, GrPathRenderer* pr,
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GrResourceProvider* rp) {
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SkPath path;
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path.lineTo(49.0255089839f, 0.473541f);
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// This extra line wasn't in the original bug but was added to fake out GrShape's special
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// handling of single line segments.
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path.rLineTo(0.015f, 0.015f);
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static constexpr SkScalar mvals[] = {14.0348252854f, 2.13026182736f,
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13.6122547187f, 118.309922702f,
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1912337682.09f, 2105391889.87f};
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SkMatrix matrix;
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matrix.setAffine(mvals);
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SkMatrix inverse;
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SkAssertResult(matrix.invert(&inverse));
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path.transform(inverse);
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SkStrokeRec rec(SkStrokeRec::kFill_InitStyle);
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rec.setStrokeStyle(1.f);
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rec.setStrokeParams(SkPaint::kRound_Cap, SkPaint::kRound_Join, 1.f);
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GrStyle style(rec, nullptr);
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GrShape shape(path, style);
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shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, 1.f);
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GrPaint paint;
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paint.setXPFactory(GrPorterDuffXPFactory::Make(SkXfermode::kSrc_Mode));
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GrNoClip noClip;
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GrPathRenderer::DrawPathArgs args;
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args.fPaint = &paint;
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args.fUserStencilSettings = &GrUserStencilSettings::kUnused;
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args.fRenderTargetContext = renderTargetContext;
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args.fClip = &noClip;
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args.fResourceProvider = rp;
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args.fViewMatrix = &matrix;
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args.fShape = &shape;
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args.fAntiAlias = true;
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args.fGammaCorrect = false;
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pr->drawPath(args);
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}
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DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(AADistanceFieldPathRenderer, reporter, ctxInfo) {
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// The DF PR only works with contexts that support derivatives
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if (!ctxInfo.grContext()->caps()->shaderCaps()->shaderDerivativeSupport()) {
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return;
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}
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sk_sp<GrRenderTargetContext> rtc(ctxInfo.grContext()->makeRenderTargetContext(
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SkBackingFit::kApprox,
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800, 800,
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kRGBA_8888_GrPixelConfig,
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nullptr,
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0,
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kTopLeft_GrSurfaceOrigin));
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if (!rtc) {
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return;
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}
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GrAADistanceFieldPathRenderer dfpr;
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GrTestTarget tt;
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ctxInfo.grContext()->getTestTarget(&tt, rtc);
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GrResourceProvider* rp = tt.resourceProvider();
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test_far_from_origin(rtc.get(), &dfpr, rp);
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ctxInfo.grContext()->flush();
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}
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#endif
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