public VkObjectResult <IReadOnlyList <IVkExtensionProperties> > EnumerateDeviceExtensionProperties(string layerName)
{
var unmanagedSize =
layerName.SizeOfMarshalIndirect();
var unmanagedArray = new byte[unmanagedSize];
fixed(byte *unmanagedStart = unmanagedArray)
{
var unmanaged = unmanagedStart;
var pLayerName = layerName.MarshalIndirect(ref unmanaged);
int propertyCount;
var result = Direct.EnumerateDeviceExtensionProperties(Handle, pLayerName, &propertyCount, null);
if (result != VkResult.Success)
{
return(new VkObjectResult <IReadOnlyList <IVkExtensionProperties> >(result, null));
}
var rawArray = new VkExtensionProperties.Raw[propertyCount];
fixed(VkExtensionProperties.Raw *pRawArray = rawArray)
result = Direct.EnumerateDeviceExtensionProperties(Handle, pLayerName, &propertyCount, pRawArray);
if (result != VkResult.Success)
{
return(new VkObjectResult <IReadOnlyList <IVkExtensionProperties> >(result, null));
}
var properties = rawArray.Select(x => new VkExtensionProperties(&x)).ToArray();
return(new VkObjectResult <IReadOnlyList <IVkExtensionProperties> >(result, properties));
}
}
private IReadOnlyList <VkExtensionProperties> EnumerateInstanceExtensionPropertiesInternal(IntPtr data, string layerName)
{
var unmanaged = (byte *)data;
var pLayerName = layerName.MarshalIndirect(ref unmanaged);
int count;
Direct.EnumerateInstanceExtensionProperties(pLayerName, &count, (VkExtensionProperties.Raw *) 0).CheckSuccess();
var rawArray = new VkExtensionProperties.Raw[count];
fixed(VkExtensionProperties.Raw *pRawArray = rawArray)
{
Direct.EnumerateInstanceExtensionProperties(pLayerName, &count, pRawArray).CheckSuccess();
return(rawArray.Select(x => new VkExtensionProperties(&x)).ToArray());
}
}
private IReadOnlyList<VkExtensionProperties> EnumerateInstanceExtensionPropertiesInternal(IntPtr data, string layerName)
{
var unmanaged = (byte*)data;
var pLayerName = layerName.MarshalIndirect(ref unmanaged);
int count;
Direct.EnumerateInstanceExtensionProperties(pLayerName, &count, (VkExtensionProperties.Raw*)0).CheckSuccess();
var rawArray = new VkExtensionProperties.Raw[count];
fixed (VkExtensionProperties.Raw* pRawArray = rawArray)
{
Direct.EnumerateInstanceExtensionProperties(pLayerName, &count, pRawArray).CheckSuccess();
return rawArray.Select(x => new VkExtensionProperties(&x)).ToArray();
}
}