private Device CreateLogicalDevice(out Queue GraphicsQueue, out Queue PresentQueue)
{
var queueInfos = stackalloc DeviceQueueCreateInfo[2];
uint infoCount = 1;
float queuePriority = 1f;
queueInfos[0] = new DeviceQueueCreateInfo(queueFamilyIndex: (uint)this.QueueIndices.GraphicsFamily, queueCount: 1, pQueuePriorities: &queuePriority);
if (this.QueueIndices.GraphicsFamily != this.QueueIndices.PresentFamily)
{
infoCount = 2;
queueInfos[1] = new DeviceQueueCreateInfo(queueFamilyIndex: (uint)this.QueueIndices.PresentFamily, queueCount: 1, pQueuePriorities: &queuePriority);
}
PhysicalDeviceFeatures features = default;
using var extensionNames = SilkMarshal.StringArrayToMemory(RequiredDeviceExtensions);
PhysicalDeviceSeparateDepthStencilLayoutsFeatures depthStencilFeature = new PhysicalDeviceSeparateDepthStencilLayoutsFeatures
{
SType = StructureType.PhysicalDeviceSeparateDepthStencilLayoutsFeatures,
SeparateDepthStencilLayouts = true
};
DeviceCreateInfo createInfo = new DeviceCreateInfo
{
SType = StructureType.DeviceCreateInfo,
//PNext = &depthStencilFeature,
QueueCreateInfoCount = infoCount,
PQueueCreateInfos = queueInfos,
EnabledExtensionCount = (uint)RequiredDeviceExtensions.Length,
PpEnabledExtensionNames = (byte **)extensionNames,
PEnabledFeatures = &features
};
Device device;
var res = VkApi.CreateDevice(this.PhysicalDevice, &createInfo, null, &device);
if (res != Result.Success)
{
throw new VMASharp.VulkanResultException("Logical Device Creation Failed!", res);
}
Queue queue = default;
VkApi.GetDeviceQueue(device, (uint)this.QueueIndices.GraphicsFamily, 0, &queue);
GraphicsQueue = queue;
if (this.QueueIndices.GraphicsFamily != this.QueueIndices.PresentFamily)
{
queue = default;
VkApi.GetDeviceQueue(device, (uint)this.QueueIndices.PresentFamily, 0, &queue);
}
PresentQueue = queue;
return(device);
}
private Instance CreateInstance()
{
using var appName = SilkMarshal.StringToMemory("Hello Cube");
using var engineName = SilkMarshal.StringToMemory("Custom Engine");
var appInfo = new ApplicationInfo
(
pApplicationName: (byte *)appName,
applicationVersion: new Version32(0, 0, 1),
pEngineName: (byte *)engineName,
engineVersion: new Version32(0, 0, 1),
apiVersion: Vk.Version11
);
List <string> extensions = new List <string>(GetWindowExtensions())
{
Debugging.DebugExtensionString
};
string[] layers = new string[] { "VK_LAYER_KHRONOS_validation" };
using var extList = SilkMarshal.StringArrayToMemory(extensions);
using var layerList = SilkMarshal.StringArrayToMemory(layers);
var instInfo = new InstanceCreateInfo(pApplicationInfo: &appInfo,
enabledLayerCount: (uint)layers.Length,
ppEnabledLayerNames: (byte **)layerList,
enabledExtensionCount: (uint)extensions.Count,
ppEnabledExtensionNames: (byte **)extList);
Instance inst;
var res = VkApi.CreateInstance(&instInfo, null, &inst);
if (res != Result.Success)
{
throw new VMASharp.VulkanResultException("Instance Creation Failed", res);
}
return(inst);
}