/// <summary>
/// Create a SurfaceKHR object for a X11 window, using the XCB
/// client-side library.
/// </summary>
/// <param name="extendedHandle">
/// The Instance handle to extend.
/// </param>
/// <param name="flags">
/// Reserved for future use.
/// </param>
/// <param name="connection">
/// An xcb_connection_t to the X server.
/// </param>
/// <param name="window">
/// The xcb_window_t for the X11 window to associate the surface with.
/// </param>
/// <param name="allocator">
/// An optional AllocationCallbacks instance that controls host memory
/// allocation.
/// </param>
public static unsafe SharpVk.Khronos.Surface CreateXcbSurface(this SharpVk.Instance extendedHandle, IntPtr connection, IntPtr window, SharpVk.Khronos.XcbSurfaceCreateFlags?flags = default(SharpVk.Khronos.XcbSurfaceCreateFlags?), SharpVk.AllocationCallbacks?allocator = default(SharpVk.AllocationCallbacks?))
{
try
{
SharpVk.Khronos.Surface result = default(SharpVk.Khronos.Surface);
CommandCache commandCache = default(CommandCache);
SharpVk.Interop.Khronos.XcbSurfaceCreateInfo *marshalledCreateInfo = default(SharpVk.Interop.Khronos.XcbSurfaceCreateInfo *);
void *nextPointer = default(void *);
SharpVk.Interop.AllocationCallbacks *marshalledAllocator = default(SharpVk.Interop.AllocationCallbacks *);
SharpVk.Interop.Khronos.Surface marshalledSurface = default(SharpVk.Interop.Khronos.Surface);
commandCache = extendedHandle.commandCache;
marshalledCreateInfo = (SharpVk.Interop.Khronos.XcbSurfaceCreateInfo *)(Interop.HeapUtil.Allocate <SharpVk.Interop.Khronos.XcbSurfaceCreateInfo>());
marshalledCreateInfo->SType = StructureType.XcbSurfaceCreateInfo;
marshalledCreateInfo->Next = nextPointer;
if (flags != null)
{
marshalledCreateInfo->Flags = flags.Value;
}
else
{
marshalledCreateInfo->Flags = default(SharpVk.Khronos.XcbSurfaceCreateFlags);
}
marshalledCreateInfo->Connection = (IntPtr *)(Interop.HeapUtil.Allocate <IntPtr>());
*marshalledCreateInfo->Connection = connection;
marshalledCreateInfo->Window = window;
if (allocator != null)
{
marshalledAllocator = (SharpVk.Interop.AllocationCallbacks *)(Interop.HeapUtil.Allocate <SharpVk.Interop.AllocationCallbacks>());
allocator.Value.MarshalTo(marshalledAllocator);
}
else
{
marshalledAllocator = default(SharpVk.Interop.AllocationCallbacks *);
}
SharpVk.Interop.Khronos.VkInstanceCreateXcbSurfaceDelegate commandDelegate = commandCache.GetCommandDelegate <SharpVk.Interop.Khronos.VkInstanceCreateXcbSurfaceDelegate>("vkCreateXcbSurfaceKHR", "instance");
Result methodResult = commandDelegate(extendedHandle.handle, marshalledCreateInfo, marshalledAllocator, &marshalledSurface);
if (SharpVkException.IsError(methodResult))
{
throw SharpVkException.Create(methodResult);
}
result = new SharpVk.Khronos.Surface(extendedHandle, marshalledSurface);
return(result);
}
finally
{
Interop.HeapUtil.FreeAll();
}
}
/// <summary>
///
/// </summary>
internal unsafe void MarshalTo(SharpVk.Interop.Khronos.XcbSurfaceCreateInfo *pointer)
{
pointer->SType = StructureType.XcbSurfaceCreateInfo;
pointer->Next = null;
if (this.Flags != null)
{
pointer->Flags = this.Flags.Value;
}
else
{
pointer->Flags = default(SharpVk.Khronos.XcbSurfaceCreateFlags);
}
pointer->Connection = (IntPtr *)(Interop.HeapUtil.Allocate <IntPtr>());
*pointer->Connection = this.Connection;
pointer->Window = this.Window;
}
