Vulkan-Hpp/RAII_Samples/PhysicalDeviceExtensions/PhysicalDeviceExtensions.cpp

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// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// VulkanHpp Samples : DeviceExtensionProperties
// Get extension properties per physical device.
#include "../utils/utils.hpp"
#include "vulkan/vulkan.hpp"
#include <vector>
static char const * AppName = "DeviceExtensionProperties";
static char const * EngineName = "Vulkan.hpp";
int main( int /*argc*/, char ** /*argv*/ )
{
try
{
std::unique_ptr<vk::raii::Context> context = vk::raii::su::make_unique<vk::raii::Context>();
std::unique_ptr<vk::raii::Instance> instance = vk::raii::su::makeUniqueInstance( *context, AppName, EngineName );
#if !defined( NDEBUG )
std::unique_ptr<vk::raii::DebugUtilsMessengerEXT> debugUtilsMessenger =
vk::raii::su::makeUniqueDebugUtilsMessengerEXT( *instance );
#endif
// enumerate the physicalDevices
vk::raii::PhysicalDevices physicalDevices( *instance );
/* VULKAN_KEY_START */
for ( size_t i = 0; i < physicalDevices.size(); i++ )
{
std::vector<vk::ExtensionProperties> extensionProperties =
physicalDevices[i].enumerateDeviceExtensionProperties();
std::cout << "PhysicalDevice " << i << " : " << extensionProperties.size() << " extensions:\n";
// sort the extensions alphabetically
std::sort( extensionProperties.begin(),
extensionProperties.end(),
[]( vk::ExtensionProperties const & a, vk::ExtensionProperties const & b ) {
return strcmp( a.extensionName, b.extensionName ) < 0;
} );
for ( auto const & ep : extensionProperties )
{
std::cout << "\t" << ep.extensionName << ":" << std::endl;
std::cout << "\t\tVersion: " << ep.specVersion << std::endl;
std::cout << std::endl;
}
}
/* VULKAN_KEY_END */
}
catch ( vk::SystemError & err )
{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit( -1 );
}
catch ( std::exception & err )
{
std::cout << "std::exception: " << err.what() << std::endl;
exit( -1 );
}
catch ( ... )
{
std::cout << "unknown error\n";
exit( -1 );
}
return 0;
}