mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-09-20 14:02:17 +00:00
c06a3300f6
new: - InstanceVersion: print out the instance version - PhysicalDeviceExtensions: print out the device specific extensions - PhysicalDeviceFeatures: print out the device specific features - PhysicalDeviceGroups: print out the device groups (interesting with SLI) - PhysicalDeviceMemoryProperties: print out the device specific memory properties - PhysicalDeviceQueueFamilyProperties: print out the device specific queue family properties - SurfaceCapabilities: print out the surface specific capabilities - SurfaceFormats: print out the supported surface specific formats improved: - InstanceExtensionProperties: print out the instance extensions alphabetically - InstanceLayerProperties: removed an unused local function - RayTracing: improved fence usage
96 lines
3.8 KiB
C++
96 lines
3.8 KiB
C++
// Copyright(c) 2019, 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 : PhysicalDeviceGroups
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// Get the PhysicalDeviceGroups.
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#include "../utils/utils.hpp"
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#include "vulkan/vulkan.hpp"
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#include <vector>
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static char const* AppName = "PhysicalDeviceGroups";
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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::UniqueInstance instance = vk::su::createInstance(AppName, EngineName);
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#if !defined(NDEBUG)
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vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger(instance);
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#endif
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/* VULKAN_KEY_START */
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std::vector<vk::PhysicalDeviceGroupProperties> groupProperties = instance->enumeratePhysicalDeviceGroups();
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std::cout << std::boolalpha;
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for (size_t i=0 ; i< groupProperties.size() ; i++)
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{
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std::cout << "Group Properties " << i << "\n";
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std::cout << "\t" << "physicalDeviceCount = " << groupProperties[i].physicalDeviceCount << "\n";
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std::cout << "\t" << "physicalDevices:\n";
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for (size_t j = 0; j < groupProperties[i].physicalDeviceCount; j++)
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{
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std::cout << "\t\t" << j << " : " << groupProperties[i].physicalDevices[j] << "\n";
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}
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std::cout << "\t" << "subsetAllocation = " << static_cast<bool>(groupProperties[i].subsetAllocation) << "\n";
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std::cout << "\n";
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if (1 < groupProperties[i].physicalDeviceCount)
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{
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vk::PhysicalDevice physicalDevice = groupProperties[i].physicalDevices[0];
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// get the QueueFamilyProperties of the first PhysicalDevice
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std::vector<vk::QueueFamilyProperties> queueFamilyProperties = physicalDevice.getQueueFamilyProperties();
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// get the first index into queueFamiliyProperties which supports graphics
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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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assert(graphicsQueueFamilyIndex < queueFamilyProperties.size());
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// create a UniqueDevice
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float queuePriority = 0.0f;
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vk::DeviceQueueCreateInfo deviceQueueCreateInfo(vk::DeviceQueueCreateFlags(), static_cast<uint32_t>(graphicsQueueFamilyIndex), 1, &queuePriority);
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vk::DeviceCreateInfo deviceCreateInfo(vk::DeviceCreateFlags(), 1, &deviceQueueCreateInfo);
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vk::DeviceGroupDeviceCreateInfo deviceGroupDeviceCreateInfo(groupProperties[i].physicalDeviceCount, groupProperties[i].physicalDevices);
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deviceCreateInfo.pNext = &deviceGroupDeviceCreateInfo;
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vk::UniqueDevice device = physicalDevice.createDeviceUnique(deviceCreateInfo);
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}
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}
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/* VULKAN_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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