c7ad40f76f
Most of this is (obviously) not necessary to do, but once I started, I figured I'd just get it all. Tools (nanobench, DM, skiaserve), all GMs, benches, and unit tests, plus support code (command line parsing and config stuff). This is almost entirely mechanical. Bug: skia: Change-Id: I209500f8df8c5bd43f8298ff26440d1c4d7425fb Reviewed-on: https://skia-review.googlesource.com/131153 Reviewed-by: Mike Klein <mtklein@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
114 lines
3.5 KiB
C++
114 lines
3.5 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 "gm.h"
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#include "GrContext.h"
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#include "GrContextOptions.h"
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#include "SkPath.h"
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/** This tests the GPU backend's caching of path coverage masks */
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class PathMaskCache : public skiagm::GM {
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public:
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PathMaskCache() {}
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protected:
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SkString onShortName() override { return SkString("path_mask_cache"); }
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SkISize onISize() override {
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return SkISize::Make(650, 950);
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}
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void onDraw(SkCanvas* canvas) override {
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static constexpr SkScalar kPad = 5.f;
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SkPaint paint;
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paint.setAntiAlias(true);
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auto drawPathSet = [canvas] (const SkPath& path, const SkMatrix& m) {
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SkPaint paint;
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paint.setAntiAlias(true);
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SkRect bounds = path.getBounds();
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m.mapRect(&bounds);
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bounds.roundOut();
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canvas->save();
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canvas->translate(-bounds.fLeft, -bounds.fTop);
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canvas->save();
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canvas->concat(m);
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canvas->drawPath(path, paint);
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canvas->restore();
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// translate by integer
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canvas->translate(bounds.width() + kPad, 0.f);
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canvas->save();
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canvas->concat(m);
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canvas->drawPath(path, paint);
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canvas->restore();
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// translate by non-integer
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canvas->translate(bounds.width() + kPad + 0.15f, 0.f);
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canvas->save();
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canvas->concat(m);
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canvas->drawPath(path, paint);
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canvas->restore();
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// translate again so total translate fraction is almost identical to previous.
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canvas->translate(bounds.width() + kPad + 0.002f, 0.f);
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canvas->save();
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canvas->concat(m);
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canvas->drawPath(path, paint);
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canvas->restore();
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canvas->restore();
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return bounds.fBottom + kPad;
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};
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SkTArray<SkPath> paths;
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paths.push_back();
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paths.back().moveTo(0.f, 0.f);
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paths.back().lineTo(98.f, 100.f);
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paths.back().lineTo(100.f, 100.f);
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paths.back().conicTo(150.f, 50.f, 100.f, 0.f, 0.6f);
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paths.back().conicTo(148.f, 50.f, 100.f, 100.f, 0.6f);
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paths.back().conicTo(50.f, 30.f, 0.f, 100.f, 0.9f);
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paths.push_back();
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paths.back().addCircle(30.f, 30.f, 30.f);
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paths.back().addRect(SkRect::MakeXYWH(45.f, 45.f, 50.f, 60.f));
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paths.back().setFillType(SkPath::kEvenOdd_FillType);
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canvas->translate(kPad, kPad);
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for (const SkPath& path : paths) {
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SkScalar ty = drawPathSet(path, SkMatrix::I());
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canvas->translate(0, ty);
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// Non-uniform scale.
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SkMatrix s;
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s.setScale(0.5f, 2.f);
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ty = drawPathSet(path, s);
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canvas->translate(0.f, ty);
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// Rotation
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SkMatrix r;
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r.setRotate(60.f, path.getBounds().centerX(), path.getBounds().centerY());
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ty = drawPathSet(path, r);
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canvas->translate(0.f, ty);
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}
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}
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void modifyGrContextOptions(GrContextOptions* options) override {
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options->fGpuPathRenderers = GpuPathRenderers::kNone;
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options->fAllowPathMaskCaching = true;
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}
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private:
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typedef GM INHERITED;
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};
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DEF_GM( return new PathMaskCache(); )
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