// Copyright(c) 2018, 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 : NoExceptions
//                     Compile test with VULKAN_HPP_NO_EXCEPTIONS set
//                     Note: this is _no_ functional test!! Don't ever code this way!!

#define VULKAN_HPP_NO_EXCEPTIONS

#include "vulkan/vulkan.hpp"
#include <iostream>

static char const* AppName = "DeviceFunctions";
static char const* EngineName = "Vulkan.hpp";

int main(int /*argc*/, char ** /*argv*/)
{
  vk::ApplicationInfo appInfo(AppName, 1, EngineName, 1, VK_API_VERSION_1_1);
  vk::UniqueInstance instance = vk::createInstanceUnique(vk::InstanceCreateInfo({}, &appInfo)).value;
  std::vector<vk::PhysicalDevice> physicalDevices = instance->enumeratePhysicalDevices().value;
  assert(!physicalDevices.empty());

  // get the QueueFamilyProperties of the first PhysicalDevice
  std::vector<vk::QueueFamilyProperties> queueFamilyProperties = physicalDevices[0].getQueueFamilyProperties();

  // get the first index into queueFamiliyProperties which supports graphics
  size_t graphicsQueueFamilyIndex = std::distance(queueFamilyProperties.begin(),
                                                  std::find_if(queueFamilyProperties.begin(),
                                                                queueFamilyProperties.end(),
                                                                [](vk::QueueFamilyProperties const& qfp) { return qfp.queueFlags & vk::QueueFlagBits::eGraphics; }));
  assert(graphicsQueueFamilyIndex < queueFamilyProperties.size());

  // create a UniqueDevice
  float queuePriority = 0.0f;
  vk::DeviceQueueCreateInfo deviceQueueCreateInfo(vk::DeviceQueueCreateFlags(), static_cast<uint32_t>(graphicsQueueFamilyIndex), 1, &queuePriority);
  vk::UniqueDevice device = physicalDevices[0].createDeviceUnique(vk::DeviceCreateInfo(vk::DeviceCreateFlags(), 1, &deviceQueueCreateInfo)).value;

  // create a UniqueCommandPool to allocate a CommandBuffer from
  vk::UniqueCommandPool commandPool = device->createCommandPoolUnique(vk::CommandPoolCreateInfo(vk::CommandPoolCreateFlags(), deviceQueueCreateInfo.queueFamilyIndex)).value;

  // allocate a CommandBuffer from the CommandPool
  vk::UniqueCommandBuffer commandBuffer = std::move(device->allocateCommandBuffersUnique(vk::CommandBufferAllocateInfo(commandPool.get(), vk::CommandBufferLevel::ePrimary, 1)).value.front());

  return 0;
}