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60 lines
2.7 KiB
60 lines
2.7 KiB
5 years ago
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#ifndef Magnum_Vk_Implementation_structureHelpers_h
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#define Magnum_Vk_Implementation_structureHelpers_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 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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#include <Corrade/Containers/Reference.h>
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#include <Corrade/Utility/Assert.h>
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#include "Magnum/Magnum.h"
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#include "Magnum/Vk/Vulkan.h"
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namespace Magnum { namespace Vk { namespace Implementation {
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/* Meant to be used for connecting a longer chain of structures. Anything
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that was connected to the `next` pointer before is reconnected to
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`structure.pNext`; the `next` reference is rebound to the `structure.pNext`
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field connected so it can be passed to another structureConnect() again. */
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template<class T> inline void structureConnect(Containers::Reference<void*>& next, T& structure, VkStructureType type) {
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void* const previousNext = next;
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*next = &structure;
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structure.sType = type;
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structure.pNext = previousNext;
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next = structure.pNext;
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}
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template<class T> inline void structureConnect(Containers::Reference<const void*>& next, T& structure, VkStructureType type) {
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/* There's no better way as the pNext are either const void* or void*
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and it's a mess. For example VkDeviceCreateInfo has const void* but it
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can point to VkPhysicalDeviceFeatures2 which then has void* as it's
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primarily an output structure. So we'll just drop all const-correctness
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and operate on void*. */
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structureConnect(reinterpret_cast<Containers::Reference<void*>&>(next), structure, type);
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}
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}}}
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#endif
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