| /* |
| * 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 "src/base/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); ) |