Vulkan-Hpp/samples/EnumerateDevicesAdvanced/EnumerateDevicesAdvanced.cpp

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// Copyright(c) 2018-2019, 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 : EnumerateDevicesAdvanced
// Enumerate physical devices
#include "../utils/utils.hpp"
#include "vulkan/vulkan.hpp"
#include <iomanip>
#include <iostream>
static char const* AppName = "EnumerateDevicesAdvanced";
static char const* EngineName = "Vulkan.hpp";
void print_UUID(uint8_t *pipelineCacheUUID)
{
for (int j = 0; j < VK_UUID_SIZE; ++j)
{
std::cout << std::setw(2) << (uint32_t)pipelineCacheUUID[j];
if (j == 3 || j == 5 || j == 7 || j == 9)
{
std::cout << '-';
}
}
}
int main(int /*argc*/, char ** /*argv*/)
{
try
{
vk::UniqueInstance instance = vk::su::createInstance(AppName, EngineName);
#if !defined(NDEBUG)
vk::UniqueDebugReportCallbackEXT debugReportCallback = vk::su::createDebugReportCallback(instance);
#endif
/* VULKAN_HPP_KEY_START */
// enumerate the physicalDevices
std::vector<vk::PhysicalDevice> physicalDevices = instance->enumeratePhysicalDevices();
for (auto const& physicalDevice : physicalDevices)
{
vk::PhysicalDeviceProperties properties = physicalDevice.getProperties();
std::cout << "apiVersion: ";
std::cout << ((properties.apiVersion >> 22) & 0xfff) << '.'; // Major.
std::cout << ((properties.apiVersion >> 12) & 0x3ff) << '.'; // Minor.
std::cout << (properties.apiVersion & 0xfff); // Patch.
std::cout << '\n';
std::cout << "driverVersion: " << properties.driverVersion << '\n';
std::cout << std::showbase << std::internal << std::setfill('0') << std::hex;
std::cout << "vendorId: " << std::setw(6) << properties.vendorID << '\n';
std::cout << "deviceId: " << std::setw(6) << properties.deviceID << '\n';
std::cout << std::noshowbase << std::right << std::setfill(' ') << std::dec;
std::cout << "deviceType: " << vk::to_string(properties.deviceType) << "\n";
std::cout << "deviceName: " << properties.deviceName << '\n';
std::cout << "pipelineCacheUUID: ";
std::cout << std::setfill('0') << std::hex;
print_UUID(properties.pipelineCacheUUID);
std::cout << std::setfill(' ') << std::dec;
std::cout << '\n';
std::cout << '\n';
}
/* VULKAN_HPP_KEY_END */
}
catch (vk::SystemError err)
{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit(-1);
}
catch (...)
{
std::cout << "unknown error\n";
exit(-1);
}
return 0;
}