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/*
* 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/geometry/GrQuad.h"
#include "src/gpu/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); )
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