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96 lines
4.4 KiB
96 lines
4.4 KiB
#ifndef Magnum_MeshTools_InterleaveFlags_h |
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#define Magnum_MeshTools_InterleaveFlags_h |
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/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022 Vladimír Vondruš <mosra@centrum.cz> |
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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 associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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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 Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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/** @file |
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* @brief Enum @ref Magnum::MeshTools::InterleaveFlag, enum set @ref Magnum::MeshTools::InterleaveFlags |
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* @m_since_latest |
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*/ |
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#include <Corrade/Containers/EnumSet.h> |
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#include "Magnum/Magnum.h" |
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namespace Magnum { namespace MeshTools { |
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/** |
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@brief Interleaving behavior flag |
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@m_since_latest |
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@see @ref InterleaveFlags, |
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@ref interleavedLayout(const Trade::MeshData&, UnsignedInt, Containers::ArrayView<const Trade::MeshAttributeData>, InterleaveFlags), |
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@ref interleave(const Trade::MeshData&, Containers::ArrayView<const Trade::MeshAttributeData>, InterleaveFlags), |
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@ref concatenate(const Containers::Iterable<const Trade::MeshData>&, InterleaveFlags) |
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*/ |
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enum class InterleaveFlag: UnsignedInt { |
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/** |
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* If the mesh is already interleaved, preserves existing layout of the |
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* attributes as well as any padding or aliasing among them, keeping the |
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* original stride and only removing the initial offset. This can also |
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* preserve attributes with an implementation-specific @ref VertexFormat. |
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* |
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* If not set or if the mesh is not interleaved to begin with, a tightly |
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* packed stride is calculated from vertex format sizes of all attributes, |
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* removing all padding. In that case an implementation-specific |
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* @ref VertexFormat can't be used for any attribute. |
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*/ |
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PreserveInterleavedAttributes = 1 << 0, |
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/** |
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* If a mesh is indexed, makes @ref interleave(const Trade::MeshData&, Containers::ArrayView<const Trade::MeshAttributeData>, InterleaveFlags) |
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* preserve the index buffer even if it's not tightly packed. Since such |
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* data layouts are not commonly supported by GPU APIs, this flag is not |
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* set by default. |
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* |
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* If not set and the index buffer is strided, a tightly packed copy with |
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* the same index type is allocated for the output, dropping also any |
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* padding before or after the original index view. In such case however, |
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* the index type is not allowed to be implementation-specific. |
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* |
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* Has no effect when passed to @ref interleavedLayout(const Trade::MeshData&, UnsignedInt, Containers::ArrayView<const Trade::MeshAttributeData>, InterleaveFlags) "interleavedLayout()" |
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* as that function doesn't preserve the index buffer. Has no effect when |
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* passed to @ref concatenate(const Containers::Iterable<const Trade::MeshData>&, InterleaveFlags) "concatenate()" |
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* as that function allocates a new combined index buffer anyway. |
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* @see @ref isMeshIndexTypeImplementationSpecific() |
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*/ |
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PreserveStridedIndices = 1 << 1 |
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}; |
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/** |
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@brief Interleaving behavior flags |
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@m_since_latest |
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@see @ref interleavedLayout(const Trade::MeshData&, UnsignedInt, Containers::ArrayView<const Trade::MeshAttributeData>, InterleaveFlags), |
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@ref interleave(const Trade::MeshData&, Containers::ArrayView<const Trade::MeshAttributeData>, InterleaveFlags), |
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@ref concatenate(const Containers::Iterable<const Trade::MeshData>&, InterleaveFlags) |
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*/ |
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typedef Containers::EnumSet<InterleaveFlag> InterleaveFlags; |
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CORRADE_ENUMSET_OPERATORS(InterleaveFlags) |
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}} |
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#endif
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