Vulkan-Hpp/samples/EnumerateDevicesAdvanced/EnumerateDevicesAdvanced.cpp

// 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;
}