mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
3.3 KiB
64 lines
3.3 KiB
/* |
|
This file is part of Magnum. |
|
|
|
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
|
Vladimír Vondruš <mosra@centrum.cz> |
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a |
|
copy of this software and associated documentation files (the "Software"), |
|
to deal in the Software without restriction, including without limitation |
|
the rights to use, copy, modify, merge, publish, distribute, sublicense, |
|
and/or sell copies of the Software, and to permit persons to whom the |
|
Software is furnished to do so, subject to the following conditions: |
|
|
|
The above copyright notice and this permission notice shall be included |
|
in all copies or substantial portions of the Software. |
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
|
DEALINGS IN THE SOFTWARE. |
|
*/ |
|
|
|
#include "Duplicate.h" |
|
|
|
#include <cstring> |
|
|
|
namespace Magnum { namespace MeshTools { |
|
|
|
namespace { |
|
|
|
template<class T> inline void duplicateIntoImplementation(const Containers::StridedArrayView1D<const T>& indices, const Containers::StridedArrayView2D<const char>& data, const Containers::StridedArrayView2D<char>& out) { |
|
CORRADE_ASSERT(out.size()[0] == indices.size(), |
|
"MeshTools::duplicateInto(): index array and output size don't match, expected" << indices.size() << "but got" << out.size()[0], ); |
|
CORRADE_ASSERT(data.isContiguous<1>() && out.isContiguous<1>(), |
|
"MeshTools::duplicateInto(): second view dimension is not contiguous", ); |
|
CORRADE_ASSERT(data.size()[1] == out.size()[1], |
|
"MeshTools::duplicateInto(): input and output type size doesn't match, expected" << data.size()[1] << "but got" << out.size()[1], ); |
|
const std::size_t size = data.size()[1]; |
|
for(std::size_t i = 0; i != indices.size(); ++i) { |
|
const std::size_t index = indices[i]; |
|
CORRADE_ASSERT(index < data.size()[0], "MeshTools::duplicateInto(): index" << index << "out of bounds for" << data.size()[0] << "elements", ); |
|
std::memcpy(out[i].data(), data[index].data(), size); |
|
} |
|
} |
|
|
|
} |
|
|
|
/* If not done this way but with templates instead, C++ wouldn't be able to |
|
figure out on its own which overload to use when indices are not already a |
|
strided arrray view */ |
|
void duplicateInto(const Containers::StridedArrayView1D<const UnsignedByte>& indices, const Containers::StridedArrayView2D<const char>& data, const Containers::StridedArrayView2D<char>& out) { |
|
duplicateIntoImplementation(indices, data, out); |
|
} |
|
void duplicateInto(const Containers::StridedArrayView1D<const UnsignedShort>& indices, const Containers::StridedArrayView2D<const char>& data, const Containers::StridedArrayView2D<char>& out) { |
|
duplicateIntoImplementation(indices, data, out); |
|
} |
|
void duplicateInto(const Containers::StridedArrayView1D<const UnsignedInt>& indices, const Containers::StridedArrayView2D<const char>& data, const Containers::StridedArrayView2D<char>& out) { |
|
duplicateIntoImplementation(indices, data, out); |
|
} |
|
|
|
}}
|
|
|