/// <summary>
/// Gets the highest API version supported by the current system.
/// </summary>
public static VkVersion GetApiVersion()
{
uint version = 0;
InstanceFunctionTable.EnumerateInstanceVersion(&version).Throw("EnumerateInstanceVersion");
return(new VkVersion(version));
}
/// <summary>
/// Gets the instance extensions supported by the current system.
/// </summary>
/// <param name="layerName">The optional layer name in which to look for extensions.</param>
public static VkExtensionProperties[] GetExtensions(string?layerName)
{
uint count = 0;
VkExtensionProperties[] props;
if (layerName is not null)
{
using var nativeName = new NativeString(layerName);
InstanceFunctionTable.EnumerateInstanceExtensionProperties(nativeName.Data, &count, null)
.Throw("EnumerateInstanceExtensionProperties");
props = new VkExtensionProperties[count];
fixed(VkExtensionProperties *ptr = props)
{
InstanceFunctionTable.EnumerateInstanceExtensionProperties(nativeName.Data, &count, ptr)
.Throw("EnumerateInstanceExtensionProperties");
}
}
else
{
InstanceFunctionTable.EnumerateInstanceExtensionProperties(null, &count, null)
.Throw("EnumerateInstanceExtensionProperties");
props = new VkExtensionProperties[count];
fixed(VkExtensionProperties *ptr = props)
{
InstanceFunctionTable.EnumerateInstanceExtensionProperties(null, &count, ptr)
.Throw("EnumerateInstanceExtensionProperties");
}
}
return(props);
}
/// <summary>
/// Gets the debug layers supported by the current system.
/// </summary>
public static VkLayerProperties[] GetLayers()
{
uint count = 0;
InstanceFunctionTable.EnumerateInstanceLayerProperties(&count, null)
.Throw("EnumerateInstanceExtensionProperties");
var props = new VkLayerProperties[count];
fixed(VkLayerProperties *ptr = props)
{
InstanceFunctionTable.EnumerateInstanceLayerProperties(&count, ptr)
.Throw("EnumerateInstanceExtensionProperties");
}
return(props);
}
