mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-09-20 05:52:16 +00:00
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
// Copyright(c) 2020, NVIDIA CORPORATION. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// VulkanHpp Tests : DesignatedInitializers
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// Compile test on using designated initializers
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#define VULKAN_HPP_NO_STRUCT_CONSTRUCTORS
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#include "vulkan/vulkan.hpp"
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#include <iostream>
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#if defined(__clang__) || defined(__GNUC__)
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#pragma GCC diagnostic ignored "-Wunused-variable"
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#endif
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int main( int /*argc*/, char ** /*argv*/ )
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{
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char const * appName = "DesignatedInitializers";
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uint32_t appVersion = 1;
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char const * engineName = "Vulkan.hpp";
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uint32_t engineVersion = 1;
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// default initialization is available in any case
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vk::ApplicationInfo ai0;
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#if !defined( VULKAN_HPP_NO_STRUCT_CONSTRUCTORS )
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// due to default initializers, any number of members can be initialized
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// most IDEs will probably help with the order of the members !
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vk::ApplicationInfo ai1( appName );
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vk::ApplicationInfo ai2( appName, appVersion );
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vk::ApplicationInfo ai3( appName, appVersion, engineName );
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vk::ApplicationInfo ai4( appName, appVersion, engineName, engineVersion );
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vk::ApplicationInfo ai5( appName, appVersion, engineName, engineVersion, VK_API_VERSION_1_2 );
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// a structure in namespace vk:: can be copied from the corresponding vulkan C-struct
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VkApplicationInfo vai;
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vk::ApplicationInfo ai6( vai );
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#else
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// aggregate initialization: need to explicitly specify sType and pNext, as well as all the other members !
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vk::ApplicationInfo ai1{
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vk::StructureType::eApplicationInfo, nullptr, appName, appVersion, engineName, engineVersion, VK_API_VERSION_1_2
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};
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# if ( 20 <= VULKAN_HPP_CPP_VERSION )
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// designated initializers are available with C++20
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// it's allowed, but not recommended to explicitly specify sType
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vk::ApplicationInfo ai2 = { .sType = vk::StructureType::eApplicationInfo };
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// any number of the members can be specified; the order has to be respected
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vk::ApplicationInfo ai3 = { .pApplicationName = appName };
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vk::ApplicationInfo ai4 = { .applicationVersion = 1, .engineVersion = 2 };
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vk::ApplicationInfo ai5{ .pEngineName = engineName };
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vk::ApplicationInfo ai6{ .pApplicationName = appName, .apiVersion = VK_API_VERSION_1_2 };
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# endif
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#endif
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return 0;
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}
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