/// <summary>
/// Returns up to requested number of global extension properties.
/// </summary>
public static ExtensionProperties[] EnumerateExtensionProperties(string layerName)
{
unsafe
{
try
{
ExtensionProperties[] result = default(ExtensionProperties[]);
Result commandResult;
char * marshalledLayerName = Interop.HeapUtil.MarshalTo(layerName);
uint propertyCount;
Interop.ExtensionProperties *marshalledProperties = null;
commandResult = Interop.Commands.vkEnumerateInstanceExtensionProperties(marshalledLayerName, &propertyCount, null);
if (SharpVkException.IsError(commandResult))
{
throw SharpVkException.Create(commandResult);
}
marshalledProperties = (Interop.ExtensionProperties *)Interop.HeapUtil.Allocate <Interop.ExtensionProperties>((uint)propertyCount);
commandResult = Interop.Commands.vkEnumerateInstanceExtensionProperties(marshalledLayerName, &propertyCount, marshalledProperties);
if (SharpVkException.IsError(commandResult))
{
throw SharpVkException.Create(commandResult);
}
result = new ExtensionProperties[(uint)propertyCount];
for (int index = 0; index < (uint)propertyCount; index++)
{
result[index] = ExtensionProperties.MarshalFrom(&marshalledProperties[index]);
}
return(result);
}
finally
{
Interop.HeapUtil.FreeLog();
}
}
}
internal static unsafe ExtensionProperties MarshalFrom(Interop.ExtensionProperties *value)
{
ExtensionProperties result = new ExtensionProperties();
int ExtensionNameActualLength;
result.ExtensionName = System.Text.Encoding.UTF8.GetString(Interop.HeapUtil.MarshalFrom(value->ExtensionName, Constants.MaxExtensionNameSize, out ExtensionNameActualLength, true), 0, ExtensionNameActualLength);
result.SpecVersion = value->SpecVersion;
return(result);
}
internal ExtensionProperties(Interop.ExtensionProperties* ptr)
{
m = ptr;
}
public ExtensionProperties()
{
m = (Interop.ExtensionProperties*) Interop.Structure.Allocate (typeof (Interop.ExtensionProperties));
}
