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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/jxl/dec_external_image.h"
#include "lib/jxl/image_ops.h"
namespace jxl {
namespace {
// Decoder case, interleaves an internal float image.
void BM_DecExternalImage_ConvertImageRGBA(benchmark::State& state) {
const size_t kNumIter = 5;
size_t xsize = state.range();
size_t ysize = state.range();
size_t num_channels = 4;
ImageMetadata im;
im.SetAlphaBits(8);
ImageBundle ib(&im);
Image3F color(xsize, ysize);
ZeroFillImage(&color);
ib.SetFromImage(std::move(color), ColorEncoding::SRGB());
ImageF alpha(xsize, ysize);
ZeroFillImage(&alpha);
ib.SetAlpha(std::move(alpha));
const size_t bytes_per_row = xsize * num_channels;
std::vector<uint8_t> interleaved(bytes_per_row * ysize);
for (auto _ : state) {
for (size_t i = 0; i < kNumIter; ++i) {
JXL_CHECK(ConvertToExternal(
ib,
/*bits_per_sample=*/8,
/*float_out=*/false, num_channels, JXL_NATIVE_ENDIAN,
/*stride*/ bytes_per_row,
/*thread_pool=*/nullptr, interleaved.data(), interleaved.size(),
/*out_callback=*/{},
/*undo_orientation=*/jxl::Orientation::kIdentity));
}
}
// Pixels per second.
state.SetItemsProcessed(kNumIter * state.iterations() * xsize * ysize);
state.SetBytesProcessed(kNumIter * state.iterations() * interleaved.size());
}
BENCHMARK(BM_DecExternalImage_ConvertImageRGBA)
->RangeMultiplier(2)
->Range(256, 2048);
} // namespace
} // namespace jxl
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