Vulkan-Hpp/samples/PhysicalDeviceQueueFamilyProperties/PhysicalDeviceQueueFamilyProperties.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 : PhysicalDeviceQueueFamilyProperties
// Get queue family properties per physical device.
#include "../utils/utils.hpp"
#include "vulkan/vulkan.hpp"
#include <iomanip>
#include <sstream>
#include <vector>
static char const * AppName = "PhysicalDeviceQueueFamilyProperties";
static char const * EngineName = "Vulkan.hpp";
int main( int /*argc*/, char ** /*argv*/ )
{
try
{
vk::Instance instance = vk::su::createInstance( AppName, EngineName, {}, {}, VK_API_VERSION_1_1 );
#if !defined( NDEBUG )
vk::DebugUtilsMessengerEXT debugUtilsMessenger =
instance.createDebugUtilsMessengerEXT( vk::su::makeDebugUtilsMessengerCreateInfoEXT() );
#endif
// enumerate the physicalDevices
std::vector<vk::PhysicalDevice> 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<vk::ExtensionProperties> 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<vk::QueueFamilyProperties2, vk::QueueFamilyCheckpointPropertiesNV>;
auto queueFamilyProperties2 =
physicalDevices[i].getQueueFamilyProperties2<Chain, std::allocator<Chain>, vk::DispatchLoaderDynamic>();
for ( size_t j = 0; j < queueFamilyProperties2.size(); j++ )
{
std::cout << "\t"
<< "QueueFamily " << j << "\n";
vk::QueueFamilyProperties const & properties =
queueFamilyProperties2[j].get<vk::QueueFamilyProperties2>().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<vk::QueueFamilyCheckpointPropertiesNV>();
std::cout << "\t\t"
<< "CheckPointPropertiesNV:\n";
std::cout << "\t\t\t"
<< "checkpointExecutionStageMask = "
<< vk::to_string( checkpointProperties.checkpointExecutionStageMask ) << "\n";
std::cout << "\n";
}
}
}
/* VULKAN_KEY_END */
instance.destroyDebugUtilsMessengerEXT( debugUtilsMessenger );
instance.destroy();
}
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;
}