/* * Copyright 2020 Google LLC * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "bench/Benchmark.h" #include "include/utils/SkRandom.h" #include "src/gpu/ganesh/geometry/GrQuad.h" #include "src/gpu/ganesh/geometry/GrQuadUtils.h" class GrQuadBoundsBench : public Benchmark { public: GrQuadBoundsBench(bool perspective) : fPerspective(perspective) { fName.printf("grquad_bounds_%s", perspective ? "3d" : "2d"); } bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; } protected: inline static constexpr int kQuadCount = 1000; const char* onGetName() override { return fName.c_str(); } void onDelayedSetup() override { SkRandom r; for (int i = 0; i < kQuadCount; ++i) { for (int j = 0; j < 4; ++j) { fQuads[i].xs()[j] = r.nextRangeF(-100.f, 100.f); fQuads[i].ys()[j] = r.nextRangeF(-100.f, 100.f); if (fPerspective) { // Biased towards in front of the viewpoint, but do include some that require // the vertices to be clipped against w = 0. fQuads[i].ws()[j] = r.nextRangeF(-1.f, 10.f); } else { fQuads[i].ws()[j] = 1.f; } } fQuads[i].setQuadType(fPerspective ? GrQuad::Type::kPerspective : GrQuad::Type::kGeneral); } } void onDraw(int loops, SkCanvas*) override { SkScalar area = 0.f; for (int i = 0; i < loops; ++i) { for (int j = 0; j < kQuadCount; ++j) { SkRect qb = fQuads[j].bounds(); area += qb.width() + qb.height(); } } // Must persist this calculation in order to prevent the compiler from optimizing the // loops away. fArea = area; } SkString fName; bool fPerspective; GrQuad fQuads[kQuadCount]; SkScalar fArea; using INHERITED = Benchmark; }; /////////////////////////////////////////////////////////////////////////////////////////////////// DEF_BENCH( return new GrQuadBoundsBench(/* persp */ false); ) DEF_BENCH( return new GrQuadBoundsBench(/* persp */ true); )