// 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 : PhysicalDeviceQueueFamilyProperties // Get queue family properties per physical device. #include "../utils/utils.hpp" #include "vulkan/vulkan.hpp" #include #include #include static char const * AppName = "PhysicalDeviceQueueFamilyProperties"; static char const * EngineName = "Vulkan.hpp"; int main( int /*argc*/, char ** /*argv*/ ) { try { vk::UniqueInstance instance = vk::su::createInstance( AppName, EngineName ); #if !defined( NDEBUG ) vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger( instance ); #endif // enumerate the physicalDevices std::vector physicalDevices = instance->enumeratePhysicalDevices(); /* VULKAN_KEY_START */ std::cout << std::boolalpha; for ( size_t i = 0; i < physicalDevices.size(); i++ ) { // some features are only valid, if a corresponding extension is available! std::vector extensionProperties = physicalDevices[i].enumerateDeviceExtensionProperties(); std::cout << "PhysicalDevice " << i << "\n"; // need to explicitly specify all the template arguments for getQueueFamilyProperties2 to make the compiler happy using Chain = vk::StructureChain; auto queueFamilyProperties2 = physicalDevices[i].getQueueFamilyProperties2, vk::DispatchLoaderDynamic>(); for ( size_t j = 0; j < queueFamilyProperties2.size(); j++ ) { std::cout << "\t" << "QueueFamily " << j << "\n"; vk::QueueFamilyProperties const & properties = queueFamilyProperties2[j].get().queueFamilyProperties; std::cout << "\t\t" << "QueueFamilyProperties:\n"; std::cout << "\t\t\t" << "queueFlags = " << vk::to_string( properties.queueFlags ) << "\n"; std::cout << "\t\t\t" << "queueCount = " << properties.queueCount << "\n"; std::cout << "\t\t\t" << "timestampValidBits = " << properties.timestampValidBits << "\n"; std::cout << "\t\t\t" << "minImageTransferGranularity = " << properties.minImageTransferGranularity.width << " x " << properties.minImageTransferGranularity.height << " x " << properties.minImageTransferGranularity.depth << "\n"; std::cout << "\n"; if ( vk::su::contains( extensionProperties, "VK_NV_device_diagnostic_checkpoints" ) ) { vk::QueueFamilyCheckpointPropertiesNV const & checkpointProperties = queueFamilyProperties2[j].get(); std::cout << "\t\t" << "CheckPointPropertiesNV:\n"; std::cout << "\t\t\t" << "checkpointExecutionStageMask = " << vk::to_string( checkpointProperties.checkpointExecutionStageMask ) << "\n"; std::cout << "\n"; } } } /* 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; }