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Used StructureChain for feature quering in createLogicalDevice #296

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Used StructureChain for feature quering in createLogicalDevice #296

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8d76b5e
Used StructureChain for feature quering in `createLogicalDevice` func…
wpsimon09 Jan 29, 2026
a6eed6c
Fix deviceCreateInfo initialization syntax
wpsimon09 Jan 29, 2026
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17 changes: 8 additions & 9 deletions en/03_Drawing_a_triangle/01_Presentation/00_Window_surface.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -254,18 +254,17 @@ void createLogicalDevice() {
throw std::runtime_error( "Could not find a queue for graphics or present -> terminating" );
}

// query for Vulkan 1.3 features
auto features = physicalDevice.getFeatures2();
vk::PhysicalDeviceVulkan13Features vulkan13Features;
vk::PhysicalDeviceExtendedDynamicStateFeaturesEXT extendedDynamicStateFeatures;
vulkan13Features.dynamicRendering = vk::True;
extendedDynamicStateFeatures.extendedDynamicState = vk::True;
vulkan13Features.pNext = &extendedDynamicStateFeatures;
features.pNext = &vulkan13Features;
// Create a chain of feature structures
vk::StructureChain<vk::PhysicalDeviceFeatures2, vk::PhysicalDeviceVulkan13Features, vk::PhysicalDeviceExtendedDynamicStateFeaturesEXT> featureChain = {
{}, // vk::PhysicalDeviceFeatures2 (empty for now)
{.dynamicRendering = true }, // Enable dynamic rendering from Vulkan 1.3
{.extendedDynamicState = true } // Enable extended dynamic state from the extension
};

// create a Device
float queuePriority = 0.5f;
vk::DeviceQueueCreateInfo deviceQueueCreateInfo { .queueFamilyIndex = graphicsIndex, .queueCount = 1, .pQueuePriorities = &queuePriority };
vk::DeviceCreateInfo deviceCreateInfo{ .pNext = &features, .queueCreateInfoCount = 1, .pQueueCreateInfos = &deviceQueueCreateInfo };
vk::DeviceCreateInfo deviceCreateInfo{ .pNext = &featureChain.get<vk::PhysicalDeviceFeatures2>(), .queueCreateInfoCount = 1, .pQueueCreateInfos = &deviceQueueCreateInfo };
deviceCreateInfo.enabledExtensionCount = deviceExtensions.size();
deviceCreateInfo.ppEnabledExtensionNames = deviceExtensions.data();

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