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// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "benchmark/benchmark.h"
#include "lib/extras/codec.h"
#include "lib/extras/tone_mapping.h"
#include "lib/jxl/image.h"
namespace jxl {
static void BM_ToneMapping(benchmark::State& state) {
JXL_ASSIGN_OR_DIE(Image3F color, Image3F::Create(2268, 1512));
FillImage(0.5f, &color);
// Use linear Rec. 2020 so that `ToneMapTo` doesn't have to convert to it and
// we mainly measure the tone mapping itself.
ColorEncoding linear_rec2020;
linear_rec2020.SetColorSpace(ColorSpace::kRGB);
JXL_CHECK(linear_rec2020.SetPrimariesType(Primaries::k2100));
JXL_CHECK(linear_rec2020.SetWhitePointType(WhitePoint::kD65));
linear_rec2020.Tf().SetTransferFunction(TransferFunction::kLinear);
JXL_CHECK(linear_rec2020.CreateICC());
for (auto _ : state) {
state.PauseTiming();
CodecInOut tone_mapping_input;
JXL_ASSIGN_OR_DIE(Image3F color2,
Image3F::Create(color.xsize(), color.ysize()));
CopyImageTo(color, &color2);
tone_mapping_input.SetFromImage(std::move(color2), linear_rec2020);
tone_mapping_input.metadata.m.SetIntensityTarget(255);
state.ResumeTiming();
JXL_CHECK(ToneMapTo({0.1, 100}, &tone_mapping_input));
}
state.SetItemsProcessed(state.iterations() * color.xsize() * color.ysize());
}
BENCHMARK(BM_ToneMapping);
} // namespace jxl
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