mirror of
https://github.com/KhronosGroup/Vulkan-Hpp
synced 2024-11-22 12:20:05 +00:00
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
// 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 : 03_InitDevice
|
|
// Create and destroy a device
|
|
|
|
#include "../utils/utils.hpp"
|
|
#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::UniqueInstance instance = vk::su::createInstance( AppName, EngineName );
|
|
#if !defined( NDEBUG )
|
|
vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger( instance );
|
|
#endif
|
|
|
|
vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
|
|
|
|
/* VULKAN_HPP_KEY_START */
|
|
|
|
// get the QueueFamilyProperties of the first PhysicalDevice
|
|
std::vector<vk::QueueFamilyProperties> queueFamilyProperties = physicalDevice.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 =
|
|
physicalDevice.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;
|
|
}
|