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Diffstat (limited to '')
-rw-r--r-- | third_party/jpeg-xl/lib/jxl/dec_external_image_gbench.cc | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jxl/dec_external_image_gbench.cc b/third_party/jpeg-xl/lib/jxl/dec_external_image_gbench.cc new file mode 100644 index 0000000000..c87a4d5f36 --- /dev/null +++ b/third_party/jpeg-xl/lib/jxl/dec_external_image_gbench.cc @@ -0,0 +1,56 @@ +// 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 |