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-rw-r--r--third_party/jpeg-xl/lib/jpegli/simd.cc38
1 files changed, 38 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/lib/jpegli/simd.cc b/third_party/jpeg-xl/lib/jpegli/simd.cc
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+++ b/third_party/jpeg-xl/lib/jpegli/simd.cc
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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 "lib/jpegli/simd.h"
+
+#undef HWY_TARGET_INCLUDE
+#define HWY_TARGET_INCLUDE "lib/jpegli/simd.cc"
+#include <hwy/foreach_target.h>
+#include <hwy/highway.h>
+
+HWY_BEFORE_NAMESPACE();
+namespace jpegli {
+namespace HWY_NAMESPACE {
+
+size_t GetVectorSize() { return HWY_LANES(uint8_t); }
+
+// NOLINTNEXTLINE(google-readability-namespace-comments)
+} // namespace HWY_NAMESPACE
+} // namespace jpegli
+HWY_AFTER_NAMESPACE();
+
+#if HWY_ONCE
+namespace jpegli {
+namespace {
+
+HWY_EXPORT(GetVectorSize); // Local function.
+
+} // namespace
+
+size_t VectorSize() {
+ static size_t bytes = HWY_DYNAMIC_DISPATCH(GetVectorSize)();
+ return bytes;
+}
+
+} // namespace jpegli
+#endif // HWY_ONCE