1 files changed, 46 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jxl/enc_external_image_gbench.cc b/third_party/jpeg-xl/lib/jxl/enc_external_image_gbench.cc
new file mode 100644
index 0000000000..4b7147817a
--- /dev/null
+++ b/third_party/jpeg-xl/lib/jxl/enc_external_image_gbench.cc
@@ -0,0 +1,46 @@
+// 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/enc_external_image.h"
+#include "lib/jxl/image_ops.h"
+
+namespace jxl {
+namespace {
+
+// Encoder case, deinterleaves a buffer.
+void BM_EncExternalImage_ConvertImageRGBA(benchmark::State& state) {
+  const size_t kNumIter = 5;
+  size_t xsize = state.range();
+  size_t ysize = state.range();
+
+  ImageMetadata im;
+  im.SetAlphaBits(8);
+  ImageBundle ib(&im);
+
+  std::vector<uint8_t> interleaved(xsize * ysize * 4);
+  JxlPixelFormat format = {4, JXL_TYPE_UINT8, JXL_NATIVE_ENDIAN, 0};
+  for (auto _ : state) {
+    for (size_t i = 0; i < kNumIter; ++i) {
+      JXL_CHECK(ConvertFromExternal(
+          Span<const uint8_t>(interleaved.data(), interleaved.size()), xsize,
+          ysize,
+          /*c_current=*/ColorEncoding::SRGB(),
+          /*bits_per_sample=*/8, format,
+          /*pool=*/nullptr, &ib));
+    }
+  }
+
+  // Pixels per second.
+  state.SetItemsProcessed(kNumIter * state.iterations() * xsize * ysize);
+  state.SetBytesProcessed(kNumIter * state.iterations() * interleaved.size());
+}
+
+BENCHMARK(BM_EncExternalImage_ConvertImageRGBA)
+    ->RangeMultiplier(2)
+    ->Range(256, 2048);
+
+}  // namespace
+}  // namespace jxl