| /* |
| * 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/GrTypesPriv.h" |
| #include "src/core/SkCanvasPriv.h" |
| #include "src/gpu/GrCaps.h" |
| #include "src/gpu/GrFragmentProcessor.h" |
| #include "src/gpu/GrPaint.h" |
| #include "src/gpu/effects/GrPorterDuffXferProcessor.h" |
| #include "src/gpu/effects/GrRRectEffect.h" |
| #include "src/gpu/ops/FillRectOp.h" |
| #include "src/gpu/ops/GrDrawOp.h" |
| #include "src/gpu/v1/SurfaceDrawContext_v1.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); } |
| |
| DrawResult onDraw(GrRecordingContext* rContext, SkCanvas* canvas, SkString* errorMsg) override { |
| auto sdc = SkCanvasPriv::TopDeviceSurfaceDrawContext(canvas); |
| if (!sdc) { |
| *errorMsg = kErrorMsg_DrawSkippedGpuOnly; |
| return DrawResult::kSkip; |
| } |
| |
| 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 = *rContext->priv().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)); |
| |
| sdc->addDrawOp(skgpu::v1::FillRectOp::MakeNonAARect( |
| rContext, std::move(grPaint), SkMatrix::I(), bounds)); |
| } |
| canvas->restore(); |
| x = x + fTestOffsetX; |
| } |
| |
| return DrawResult::kOk; |
| } |
| |
| 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 |