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
// ignore warning 4189: local variable is initialized but not referenced
#if defined( _MSC_VER )
# pragma warning( disable : 4189 )
#elif defined( __GNUC__ )
# pragma GCC diagnostic ignored "-Wunused-variable"
#else
// unknow compiler... just ignore the warnings for yourselves ;)
#endif
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#include "vulkan/vulkan.hpp"
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#include <iostream>
static char const * AppName = "DeviceFunctions";
static char const * EngineName = "Vulkan.hpp";
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int main( int /*argc*/, char ** /*argv*/ )
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{
try
{
vk::ApplicationInfo appInfo( AppName, 1, EngineName, 1, VK_API_VERSION_1_1 );
vk::UniqueInstance instance = vk::createInstanceUnique( vk::InstanceCreateInfo( {}, &appInfo ) );
vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
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uint32_t propertyCount;
physicalDevice.getQueueFamilyProperties( &propertyCount, nullptr );
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// get the QueueFamilyProperties of the first PhysicalDevice
std::vector<vk::QueueFamilyProperties> queueFamilyProperties = physicalDevice.getQueueFamilyProperties();
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// 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() );
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// 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(), deviceQueueCreateInfo ) );
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uint64_t handle = device->getAccelerationStructureHandleNV<uint8_t>( {}, vk::DispatchLoaderDynamic() );
std::vector<vk::UniqueCommandBuffer>::allocator_type vectorAllocator;
vk::UniqueCommandBuffer commandBuffer =
std::move( device->allocateCommandBuffersUnique( {}, vectorAllocator, vk::DispatchLoaderStatic() ).front() );
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commandBuffer->begin( vk::CommandBufferBeginInfo() );
std::vector<vk::UniqueHandle<vk::CommandBuffer, vk::DispatchLoaderDynamic>>::allocator_type dynamicVectorAllocator;
vk::UniqueHandle<vk::CommandBuffer, vk::DispatchLoaderDynamic> dynamicCommandBuffer = std::move(
device->allocateCommandBuffersUnique( {}, dynamicVectorAllocator, vk::DispatchLoaderDynamic() ).front() );
vk::Buffer buffer = device->createBuffer( {} );
vk::UniqueBuffer uniqueBuffer = vk::UniqueBuffer( buffer, *device );
vk::DeviceMemory deviceMemory = device->allocateMemory( {} );
vk::UniqueDeviceMemory uniqueDeviceMemory = vk::UniqueDeviceMemory( deviceMemory, *device );
vk::ResultValue<std::vector<vk::UniquePipeline>> pipelines = device->createGraphicsPipelinesUnique( nullptr, {} );
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}
catch ( vk::SystemError const & err )
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{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit( -1 );
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}
catch ( ... )
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{
std::cout << "unknown error\n";
exit( -1 );
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}
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return 0;
}