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112 lines
4.1 KiB
112 lines
4.1 KiB
/* |
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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 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 "LayerProperties.h" |
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#include <algorithm> |
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#include <Corrade/Containers/StringView.h> |
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#include "Magnum/Vk/Assert.h" |
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namespace Magnum { namespace Vk { |
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LayerProperties::LayerProperties(NoCreateT) {} |
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LayerProperties::LayerProperties() = default; |
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LayerProperties::LayerProperties(LayerProperties&&) noexcept = default; |
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LayerProperties::~LayerProperties() = default; |
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LayerProperties& LayerProperties::operator=(LayerProperties&&) noexcept = default; |
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Containers::ArrayView<const Containers::StringView> LayerProperties::names() const { |
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return _names; |
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} |
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bool LayerProperties::isSupported(const Containers::StringView layer) const { |
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return std::binary_search(_names.begin(), _names.end(), layer); |
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} |
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UnsignedInt LayerProperties::count() const { |
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return UnsignedInt(_layers.size()); |
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} |
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Containers::StringView LayerProperties::name(const UnsignedInt id) const { |
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CORRADE_ASSERT(id < _layers.size(), |
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"Vk::LayerProperties::name(): index" << id << "out of range for" << _layers.size() << "entries", {}); |
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/* Not returning the string views at the end because those are in a |
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different order */ |
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return _layers[id].layerName; |
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} |
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UnsignedInt LayerProperties::revision(const UnsignedInt id) const { |
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CORRADE_ASSERT(id < _layers.size(), |
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"Vk::LayerProperties::revision(): index" << id << "out of range for" << _layers.size() << "entries", {}); |
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return _layers[id].implementationVersion; |
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} |
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Version LayerProperties::version(const UnsignedInt id) const { |
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CORRADE_ASSERT(id < _layers.size(), |
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"Vk::LayerProperties::version(): index" << id << "out of range for" << _layers.size() << "entries", {}); |
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return Version(_layers[id].specVersion); |
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} |
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Containers::StringView LayerProperties::description(const UnsignedInt id) const { |
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CORRADE_ASSERT(id < _layers.size(), |
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"Vk::LayerProperties::description(): index" << id << "out of range for" << _layers.size() << "entries", {}); |
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return _layers[id].description; |
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} |
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LayerProperties enumerateLayerProperties() { |
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LayerProperties out; |
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/* Retrieve layer count */ |
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UnsignedInt count; |
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MAGNUM_VK_INTERNAL_ASSERT_SUCCESS(vkEnumerateInstanceLayerProperties(&count, nullptr)); |
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/* No layers, nothing to do */ |
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if(!count) return out; |
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/* Allocate extra for a list of string views that we'll use to sort & |
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search the values; query the layers */ |
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out._data = Containers::ArrayTuple{ |
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{NoInit, count, out._layers}, |
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{count, out._names} |
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}; |
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MAGNUM_VK_INTERNAL_ASSERT_SUCCESS(vkEnumerateInstanceLayerProperties(&count, out._layers.data())); |
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/* Expect the layer count didn't change between calls */ |
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CORRADE_INTERNAL_ASSERT(count == out._layers.size()); |
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/* Populate the views and sort them so we can search in O(log n) later */ |
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for(std::size_t i = 0; i != out._names.size(); ++i) |
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out._names[i] = out._layers[i].layerName; |
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std::sort(out._names.begin(), out._names.end()); |
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return out; |
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} |
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}}
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