008b9d80ab
Adds a bitfield to GrContextOptions that masks out path renderers. Adds commandline flags support to set this bitfield in tools apps. Removes GrGLInterfaceRemoveNVPR since we can now accomplish the same thing in the context options. BUG=skia: Change-Id: Icf2a4df36374b3ba2f69ebf0db56e8aedd6cf65f Reviewed-on: https://skia-review.googlesource.com/8786 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Chris Dalton <csmartdalton@google.com>
118 lines
3.5 KiB
C++
118 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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#if SK_SUPPORT_GPU
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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 = GrContextOptions::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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#endif
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