/* * Copyright 2015 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "gm/gm.h" #include "include/core/SkBlendMode.h" #include "include/core/SkCanvas.h" #include "include/core/SkColor.h" #include "include/core/SkMatrix.h" #include "include/core/SkPaint.h" #include "include/core/SkRRect.h" #include "include/core/SkRect.h" #include "include/core/SkScalar.h" #include "include/core/SkSize.h" #include "include/core/SkString.h" #include "include/core/SkTypes.h" #include "include/private/GrSharedEnums.h" #include "include/private/GrTypesPriv.h" #include "src/gpu/GrCaps.h" #include "src/gpu/GrFragmentProcessor.h" #include "src/gpu/GrPaint.h" #include "src/gpu/GrSurfaceDrawContext.h" #include "src/gpu/effects/GrPorterDuffXferProcessor.h" #include "src/gpu/effects/GrRRectEffect.h" #include "src/gpu/ops/GrDrawOp.h" #include "src/gpu/ops/GrFillRectOp.h" #include "tools/ToolUtils.h" #include <memory> #include <utility> namespace skiagm { /////////////////////////////////////////////////////////////////////////////// class BigRRectAAEffectGM : public GpuGM { public: BigRRectAAEffectGM(const SkRRect& rrect, const char* name) : fRRect(rrect) , fName(name) { this->setBGColor(ToolUtils::color_to_565(SK_ColorBLUE)); // Each test case draws the rrect with gaps around it. fTestWidth = SkScalarCeilToInt(rrect.width()) + 2 * kGap; fTestHeight = SkScalarCeilToInt(rrect.height()) + 2 * kGap; // Add a pad between test cases. fTestOffsetX = fTestWidth + kPad; fTestOffsetY = fTestHeight + kPad; // We draw two tests in x (fill and inv-fill) and pad around // all four sides of the image. fWidth = 2 * fTestOffsetX + kPad; fHeight = fTestOffsetY + kPad; } protected: SkString onShortName() override { SkString name; name.printf("big_rrect_%s_aa_effect", fName); return name; } SkISize onISize() override { return SkISize::Make(fWidth, fHeight); } void onDraw(GrRecordingContext* context, GrSurfaceDrawContext* surfaceDrawContext, SkCanvas* canvas) override { SkPaint paint; int y = kPad; int x = kPad; constexpr GrClipEdgeType kEdgeTypes[] = { GrClipEdgeType::kFillAA, GrClipEdgeType::kInverseFillAA, }; SkRect testBounds = SkRect::MakeIWH(fTestWidth, fTestHeight); for (size_t et = 0; et < SK_ARRAY_COUNT(kEdgeTypes); ++et) { GrClipEdgeType edgeType = kEdgeTypes[et]; canvas->save(); canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); // Draw a background for the test case SkPaint paint; paint.setColor(SK_ColorWHITE); canvas->drawRect(testBounds, paint); SkRRect rrect = fRRect; rrect.offset(SkIntToScalar(x + kGap), SkIntToScalar(y + kGap)); const auto& caps = *surfaceDrawContext->caps()->shaderCaps(); auto [success, fp] = GrRRectEffect::Make(/*inputFP=*/nullptr, edgeType, rrect, caps); SkASSERT(success); if (success) { SkASSERT(fp); GrPaint grPaint; grPaint.setColor4f({ 0, 0, 0, 1.f }); grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); grPaint.setCoverageFragmentProcessor(std::move(fp)); SkRect bounds = testBounds; bounds.offset(SkIntToScalar(x), SkIntToScalar(y)); surfaceDrawContext->addDrawOp(GrFillRectOp::MakeNonAARect( context, std::move(grPaint), SkMatrix::I(), bounds)); } canvas->restore(); x = x + fTestOffsetX; } } private: // pad between test cases static constexpr int kPad = 7; // gap between rect for each case that is rendered and exterior of rrect static constexpr int kGap = 3; SkRRect fRRect; int fWidth; int fHeight; int fTestWidth; int fTestHeight; int fTestOffsetX; int fTestOffsetY; const char* fName; using INHERITED = GM; }; /////////////////////////////////////////////////////////////////////////////// // This value is motivated by bug chromium:477684. It has to be large to cause overflow in // the shader constexpr int kSize = 700; DEF_GM( return new BigRRectAAEffectGM (SkRRect::MakeRect(SkRect::MakeIWH(kSize, kSize)), "rect"); ) DEF_GM( return new BigRRectAAEffectGM (SkRRect::MakeOval(SkRect::MakeIWH(kSize, kSize)), "circle"); ) DEF_GM( return new BigRRectAAEffectGM (SkRRect::MakeOval(SkRect::MakeIWH(kSize - 1, kSize - 10)), "ellipse"); ) // The next two have small linear segments between the corners DEF_GM( return new BigRRectAAEffectGM (SkRRect::MakeRectXY(SkRect::MakeIWH(kSize - 1, kSize - 10), kSize/2.f - 10.f, kSize/2.f - 10.f), "circular_corner"); ) DEF_GM( return new BigRRectAAEffectGM (SkRRect::MakeRectXY(SkRect::MakeIWH(kSize - 1, kSize - 10), kSize/2.f - 10.f, kSize/2.f - 15.f), "elliptical_corner"); ) } // namespace skiagm