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- /*
- * 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/gpu/GrContext.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/GrRenderTargetContext.h"
- #include "src/gpu/GrRenderTargetContextPriv.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(GrContext* context, GrRenderTargetContext* renderTargetContext,
- 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 = *renderTargetContext->caps()->shaderCaps();
- auto fp = GrRRectEffect::Make(edgeType, rrect, caps);
- SkASSERT(fp);
- if (fp) {
- GrPaint grPaint;
- grPaint.setColor4f({ 0, 0, 0, 1.f });
- grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc));
- grPaint.addCoverageFragmentProcessor(std::move(fp));
- SkRect bounds = testBounds;
- bounds.offset(SkIntToScalar(x), SkIntToScalar(y));
- renderTargetContext->priv().testingOnly_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;
- typedef GM INHERITED;
- };
- ///////////////////////////////////////////////////////////////////////////////
- // 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"); )
- }
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