mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-09-21 14:32:16 +00:00
78 lines
3.2 KiB
C++
78 lines
3.2 KiB
C++
// Copyright(c) 2018, NVIDIA CORPORATION. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// VulkanHpp Samples : 08_InitPipelineLayout
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// Initialize a descriptor and pipeline layout
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#include <iostream>
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#include "vulkan/vulkan.hpp"
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static char const* AppName = "08_InitPipelineLayout";
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static char const* EngineName = "Vulkan.hpp";
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int main(int /*argc*/, char * /*argv[]*/)
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{
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try
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{
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vk::ApplicationInfo appInfo(AppName, 1, EngineName, 1, VK_API_VERSION_1_1);
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vk::InstanceCreateInfo instanceCreateInfo({}, &appInfo);
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vk::UniqueInstance instance = vk::createInstanceUnique(instanceCreateInfo);
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std::vector<vk::PhysicalDevice> physicalDevices = instance->enumeratePhysicalDevices();
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assert(!physicalDevices.empty());
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// determine a queueFamilyIndex that supports graphics
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std::vector<vk::QueueFamilyProperties> queueFamilyProperties = physicalDevices[0].getQueueFamilyProperties();
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size_t graphicsQueueFamilyIndex = std::distance(queueFamilyProperties.begin(),
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std::find_if(queueFamilyProperties.begin(),
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queueFamilyProperties.end(),
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[](vk::QueueFamilyProperties const& qfp) { return qfp.queueFlags & vk::QueueFlagBits::eGraphics; }));
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// create a device
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float queuePriority = 0.0f;
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vk::DeviceQueueCreateInfo deviceQueueCreateInfo({}, static_cast<uint32_t>(graphicsQueueFamilyIndex), 1, &queuePriority);
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vk::UniqueDevice device = physicalDevices[0].createDeviceUnique(vk::DeviceCreateInfo({}, 1, &deviceQueueCreateInfo, 0, nullptr));
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/* VULKAN_HPP_KEY_START */
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// create a DescriptorSetLayout
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vk::DescriptorSetLayoutBinding descriptorSetLayoutBinding(0, vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex);
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vk::UniqueDescriptorSetLayout descriptorSetLayout = device->createDescriptorSetLayoutUnique(vk::DescriptorSetLayoutCreateInfo(vk::DescriptorSetLayoutCreateFlags(), 1, &descriptorSetLayoutBinding));
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// create a PipelineLayout using that DescriptorSetLayout
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vk::UniquePipelineLayout pipelineLayout = device->createPipelineLayoutUnique(vk::PipelineLayoutCreateInfo(vk::PipelineLayoutCreateFlags(), 1, &descriptorSetLayout.get()));
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// Note: No need to explicitly destroy the layouts, as the corresponding destroy function is
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// called by the destructor of the UniqueDescriptorSetLayout or UniquePipelineLayout, respectively, on leaving this scope.
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/* VULKAN_HPP_KEY_END */
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}
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catch (vk::SystemError err)
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{
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std::cout << "vk::SystemError: " << err.what() << std::endl;
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exit(-1);
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}
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catch (std::runtime_error err)
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{
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std::cout << "std::runtime_error: " << err.what() << std::endl;
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exit(-1);
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}
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catch (...)
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{
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std::cout << "unknown error\n";
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exit(-1);
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}
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return 0;
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}
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