mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
67 lines
2.7 KiB
C++
67 lines
2.7 KiB
C++
|
// 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 : 03_InitDevice
|
||
|
|
// Create and destroy a device
|
||
|
|
|
||
|
|
#include "vulkan/vulkan.hpp"
|
||
|
|
#include <iostream>
|
||
|
|
|
||
|
|
static char const* AppName = "03_InitDevice";
|
||
|
|
static char const* EngineName = "Vulkan.hpp";
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
vk::ApplicationInfo appInfo(AppName, 1, EngineName, 1, VK_API_VERSION_1_1);
|
||
|
|
vk::UniqueInstance instance = vk::createInstanceUnique(vk::InstanceCreateInfo({}, &appInfo));
|
||
|
|
std::vector<vk::PhysicalDevice> physicalDevices = instance->enumeratePhysicalDevices();
|
||
|
|
assert(!physicalDevices.empty());
|
||
|
|
|
||
|
|
/* VULKAN_HPP_KEY_START */
|
||
|
|
|
||
|
|
// 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));
|
||
|
|
|
||
|
|
// Note: No need to explicitly destroy the device, as the corresponding destroy function is
|
||
|
|
// called by the destructor of the UniqueDevice on leaving this scope.
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
}
|