Vulkan-Hpp/tests/DeviceFunctions/DeviceFunctions.cpp

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// 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 : DeviceFunctions
// Compile test on device functions
#include "vulkan/vulkan.hpp"
#include <iostream>
static char const* AppName = "DeviceFunctions";
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());
// 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));
std::vector<uint8_t> data;
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device->getAccelerationStructureHandleNV<uint8_t>({}, data, vk::DispatchLoaderDynamic());
std::vector<vk::UniqueCommandBuffer>::allocator_type vectorAllocator;
std::vector<vk::UniqueCommandBuffer> commandBuffers = device->allocateCommandBuffersUnique({}, vectorAllocator, vk::DispatchLoaderStatic());
commandBuffers[0]->begin(nullptr);
std::vector<vk::UniqueHandle<vk::CommandBuffer, vk::DispatchLoaderDynamic>>::allocator_type dynamicVectorAllocator;
std::vector<vk::UniqueHandle<vk::CommandBuffer, vk::DispatchLoaderDynamic>> dynamicCommandBuffers = device->allocateCommandBuffersUnique({}, dynamicVectorAllocator, vk::DispatchLoaderDynamic());
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}
catch (vk::SystemError err)
{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit(-1);
}
catch (...)
{
std::cout << "unknown error\n";
exit(-1);
}
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return 0;
}