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110 lines
3.5 KiB
110 lines
3.5 KiB
/*
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* Copyright 2019 Google LLC.
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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 "gm/gm.h"
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#include "include/core/SkPath.h"
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#include "include/gpu/GrContextOptions.h"
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#include "include/gpu/GrRecordingContext.h"
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#include "src/gpu/GrDirectContextPriv.h"
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#include "src/gpu/GrDrawingManager.h"
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#include "src/gpu/GrRecordingContextPriv.h"
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#include "src/gpu/GrSurfaceDrawContext.h"
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#include "tools/ToolUtils.h"
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namespace skiagm {
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#define ERR_MSG_ASSERT(COND) \
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do { \
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if (!(COND)) { \
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errorMsg->printf("preservefillrule.cpp(%i): assert(%s)", \
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__LINE__, #COND); \
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return DrawResult::kFail; \
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} \
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} while (false)
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/**
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* This test originally ensured that the ccpr path cache preserved fill rules properly. CCRP is gone
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* now, but we decided to keep the test.
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*/
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class PreserveFillRuleGM : public GpuGM {
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public:
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PreserveFillRuleGM(bool big) : fBig(big) , fStarSize((big) ? 200 : 20) {}
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private:
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SkString onShortName() override {
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SkString name("preservefillrule");
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name += (fBig) ? "_big" : "_little";
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return name;
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}
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SkISize onISize() override { return SkISize::Make(fStarSize * 2, fStarSize * 2); }
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void modifyGrContextOptions(GrContextOptions* ctxOptions) override {
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ctxOptions->fGpuPathRenderers = GpuPathRenderers::kCoverageCounting;
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ctxOptions->fAllowPathMaskCaching = true;
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}
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DrawResult onDraw(GrRecordingContext* rContext, GrSurfaceDrawContext* rtc, SkCanvas* canvas,
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SkString* errorMsg) override {
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if (rtc->numSamples() > 1) {
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errorMsg->set("ccpr is currently only used for coverage AA");
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return DrawResult::kSkip;
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}
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auto* ccpr = rContext->priv().drawingManager()->getCoverageCountingPathRenderer();
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if (!ccpr) {
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errorMsg->set("ccpr only");
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return DrawResult::kSkip;
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}
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auto dContext = GrAsDirectContext(rContext);
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if (!dContext) {
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*errorMsg = "Requires a direct context.";
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return skiagm::DrawResult::kSkip;
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}
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auto starRect = SkRect::MakeWH(fStarSize, fStarSize);
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SkPath star7_winding = ToolUtils::make_star(starRect, 7);
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star7_winding.setFillType(SkPathFillType::kWinding);
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SkPath star7_evenOdd = star7_winding;
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star7_evenOdd.transform(SkMatrix::Translate(0, fStarSize));
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star7_evenOdd.setFillType(SkPathFillType::kEvenOdd);
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SkPath star5_winding = ToolUtils::make_star(starRect, 5);
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star5_winding.transform(SkMatrix::Translate(fStarSize, 0));
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star5_winding.setFillType(SkPathFillType::kWinding);
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SkPath star5_evenOdd = star5_winding;
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star5_evenOdd.transform(SkMatrix::Translate(0, fStarSize));
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star5_evenOdd.setFillType(SkPathFillType::kEvenOdd);
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SkPaint paint;
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paint.setColor(SK_ColorGREEN);
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paint.setAntiAlias(true);
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canvas->clear(SK_ColorWHITE);
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canvas->drawPath(star7_winding, paint);
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canvas->drawPath(star7_evenOdd, paint);
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canvas->drawPath(star5_winding, paint);
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canvas->drawPath(star5_evenOdd, paint);
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dContext->priv().flushSurface(rtc->asSurfaceProxy());
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return DrawResult::kOk;
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}
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private:
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const bool fBig;
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const int fStarSize;
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};
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DEF_GM( return new PreserveFillRuleGM(true); )
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DEF_GM( return new PreserveFillRuleGM(false); )
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} // namespace skiagm
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