void CreateAllObjects()
{
using (PerfTracker.InfrequentEvent("Create objects"))
{
_frameCommands = GraphicsDevice.ResourceFactory.CreateCommandList();
_frameCommands.Name = "Frame Commands List";
CommandList initCL = GraphicsDevice.ResourceFactory.CreateCommandList();
initCL.Name = "Recreation Initialization Command List";
initCL.Begin();
_sceneContext.CreateDeviceObjects(GraphicsDevice, initCL);
foreach (var r in _renderers.Values)
{
r.CreateDeviceObjects(GraphicsDevice, initCL, _sceneContext);
}
initCL.End();
GraphicsDevice.SubmitCommands(initCL);
GraphicsDevice.WaitForIdle();
initCL.Dispose();
GraphicsDevice.WaitForIdle();
Resolve <IShaderCache>().CleanupOldFiles();
}
}
public Engine(GraphicsBackend backend, bool useRenderDoc) : base(Handlers)
{
_newBackend = backend;
if (useRenderDoc)
{
using (PerfTracker.InfrequentEvent("Loading renderdoc"))
RenderDoc.Load(out _renderDoc);
}
}
void DestroyAllObjects()
{
using (PerfTracker.InfrequentEvent("Destroying objects"))
{
GraphicsDevice.WaitForIdle();
_frameCommands.Dispose();
_sceneContext.DestroyDeviceObjects();
foreach (var r in _renderers.Values)
{
r.DestroyDeviceObjects();
}
Resolve <ITextureManager>()?.DestroyDeviceObjects();
GraphicsDevice.WaitForIdle();
}
}
void ChangeBackend()
{
if (_newBackend == null)
{
return;
}
var backend = _newBackend.Value;
_newBackend = null;
using (PerfTracker.InfrequentEvent($"change backend to {backend}"))
{
if (GraphicsDevice != null)
{
DestroyAllObjects();
if (GraphicsDevice.BackendType != backend)
{
Resolve <IShaderCache>().DestroyAllDeviceObjects();
}
GraphicsDevice.Dispose();
}
if (Window == null || _recreateWindow)
{
_recreateWindow = false;
Window?.Close();
WindowCreateInfo windowInfo = new WindowCreateInfo
{
X = Window?.X ?? 648,
Y = Window?.Y ?? 431,
WindowWidth = Window?.Width ?? DefaultWidth,
WindowHeight = Window?.Height ?? DefaultHeight,
WindowInitialState = Window?.WindowState ?? WindowState.Normal,
WindowTitle = "UAlbion"
};
_windowManager.Window = VeldridStartup.CreateWindow(ref windowInfo);
//Window.BorderVisible = false;
Window.CursorVisible = false;
Window.Resized += () => _windowResized = true;
}
GraphicsDeviceOptions gdOptions = new GraphicsDeviceOptions(
_renderDoc != null, PixelFormat.R32_Float, false,
ResourceBindingModel.Improved, true,
true, false)
{
SyncToVerticalBlank = _vsync,
};
// Currently this field only exists in my local build of veldrid, so set it via reflection.
var singleThreadedProperty = typeof(GraphicsDeviceOptions).GetField("SingleThreaded");
if (singleThreadedProperty != null)
{
singleThreadedProperty.SetValueDirect(__makeref(gdOptions), true);
}
GraphicsDevice = VeldridStartup.CreateGraphicsDevice(Window, gdOptions, backend);
GraphicsDevice.WaitForIdle();
Window.Title = GraphicsDevice.BackendType.ToString();
Raise(new BackendChangedEvent(GraphicsDevice));
CreateAllObjects();
}
}