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https://github.com/RPCSX/SPIRV-Tools.git
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47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
// Copyright (c) 2015 The Khronos Group Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and/or associated documentation files (the
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// "Materials"), to deal in the Materials without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Materials, and to
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// permit persons to whom the Materials are furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Materials.
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//
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
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// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
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// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
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// https://www.khronos.org/registry/
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//
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// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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#ifndef _LIBSPIRV_UTIL_BITWISECAST_H_
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#define _LIBSPIRV_UTIL_BITWISECAST_H_
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#include <cstring>
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namespace spvutils {
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// Performs a bitwise copy of source to the destination type Dest.
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template <typename Dest, typename Src>
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Dest BitwiseCast(Src source) {
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Dest dest;
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static_assert(sizeof(source) == sizeof(dest),
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"BitwiseCast: Source and destination must have the same size");
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std::memcpy(&dest, &source, sizeof(dest));
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return dest;
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}
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} // namespace spvutils
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#endif
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