private void CreateInstance()
{
#if DEBUG
if (!this.CheckValidationLayerSupport())
{
throw new Exception("Validation layers requested, but not available!");
}
#endif
VkApplicationInfo appInfo = new VkApplicationInfo()
{
sType = VkStructureType.VK_STRUCTURE_TYPE_APPLICATION_INFO,
pApplicationName = "Hello Triangle".ToPointer(),
applicationVersion = Helpers.Version(1, 0, 0),
pEngineName = "No Engine".ToPointer(),
engineVersion = Helpers.Version(1, 0, 0),
apiVersion = Helpers.Version(1, 2, 0),
};
VkInstanceCreateInfo createInfo = default;
createInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInfo.pApplicationInfo = &appInfo;
// Extensions
this.GetAllInstanceExtensionsAvailables();
IntPtr *extensionsToBytesArray = stackalloc IntPtr[extensions.Length];
for (int i = 0; i < extensions.Length; i++)
{
extensionsToBytesArray[i] = Marshal.StringToHGlobalAnsi(extensions[i]);
}
createInfo.enabledExtensionCount = (uint)extensions.Length;
createInfo.ppEnabledExtensionNames = (byte **)extensionsToBytesArray;
// Validation layers
#if DEBUG
IntPtr *layersToBytesArray = stackalloc IntPtr[validationLayers.Length];
for (int i = 0; i < validationLayers.Length; i++)
{
layersToBytesArray[i] = Marshal.StringToHGlobalAnsi(validationLayers[i]);
}
createInfo.enabledLayerCount = (uint)validationLayers.Length;
createInfo.ppEnabledLayerNames = (byte **)layersToBytesArray;
#else
createInfo.enabledLayerCount = 0;
createInfo.pNext = null;
#endif
fixed(VkInstance *instancePtr = &instance)
{
Helpers.CheckErrors(VulkanNative.vkCreateInstance(&createInfo, null, instancePtr));
VulkanNative.LoadFuncionPointers(instance);
}
}
