42 lines
1,016 B
C++
42 lines
1,016 B
C++
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "lib/jxl/simd_util.h"
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#include <cstddef>
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#undef HWY_TARGET_INCLUDE
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#define HWY_TARGET_INCLUDE "lib/jxl/simd_util.cc"
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#include <hwy/foreach_target.h>
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#include <hwy/highway.h>
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HWY_BEFORE_NAMESPACE();
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namespace jxl {
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namespace HWY_NAMESPACE {
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size_t MaxVectorSize() {
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HWY_FULL(float) df;
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return Lanes(df) * sizeof(float);
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}
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// NOLINTNEXTLINE(google-readability-namespace-comments)
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} // namespace HWY_NAMESPACE
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} // namespace jxl
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HWY_AFTER_NAMESPACE();
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#if HWY_ONCE
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namespace jxl {
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HWY_EXPORT(MaxVectorSize);
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size_t MaxVectorSize() {
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// Ideally HWY framework should provide us this value.
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// Less than ideal is to check all available targets and choose maximal.
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// As for now, we just ask current active target, assuming it won't change.
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return HWY_DYNAMIC_DISPATCH(MaxVectorSize)();
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}
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} // namespace jxl
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#endif
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