1 files changed, 23 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jxl/base/data_parallel.cc b/third_party/jpeg-xl/lib/jxl/base/data_parallel.cc
new file mode 100644
index 0000000000..20a911255c
--- /dev/null
+++ b/third_party/jpeg-xl/lib/jxl/base/data_parallel.cc
@@ -0,0 +1,23 @@
+// 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 "lib/jxl/base/data_parallel.h"
+
+namespace jxl {
+
+// static
+JxlParallelRetCode ThreadPool::SequentialRunnerStatic(
+    void* runner_opaque, void* jpegxl_opaque, JxlParallelRunInit init,
+    JxlParallelRunFunction func, uint32_t start_range, uint32_t end_range) {
+  JxlParallelRetCode init_ret = (*init)(jpegxl_opaque, 1);
+  if (init_ret != 0) return init_ret;
+
+  for (uint32_t i = start_range; i < end_range; i++) {
+    (*func)(jpegxl_opaque, i, 0);
+  }
+  return 0;
+}
+
+}  // namespace jxl