public override void ViewDidLoad()
{
base.ViewDidLoad();
SwapchainSource ss = SwapchainSource.CreateUIView(this.View.Handle);
SwapchainDescription scd = new SwapchainDescription(
ss,
(uint)View.Frame.Width,
(uint)View.Frame.Height,
PixelFormat.R32_Float,
false);
if (_backend == GraphicsBackend.Metal)
{
_gd = GraphicsDevice.CreateMetal(_options);
_sc = _gd.ResourceFactory.CreateSwapchain(ref scd);
}
else if (_backend == GraphicsBackend.OpenGLES)
{
_gd = GraphicsDevice.CreateOpenGLES(_options, scd);
_sc = _gd.MainSwapchain;
}
else if (_backend == GraphicsBackend.Vulkan)
{
throw new NotImplementedException();
}
GraphicsDeviceCreated?.Invoke(_gd, _gd.ResourceFactory, _sc);
_viewLoaded = true;
}
/// <summary>
/// Initialize using Metal drivers
/// </summary>
/// <param name="handle">Provide a MetalKit View handle</param>
/// <returns>Metal based render</returns>
public static VeldridRender InitFromMetal(IntPtr handle)
{
try
{
var gd = GraphicsDevice.CreateMetal(new GraphicsDeviceOptions(), new SwapchainDescription(SwapchainSource.CreateUIView(handle), 20, 20, null, false));
gd.ResourceFactory.CreateSwapchain(new SwapchainDescription(SwapchainSource.CreateUIView(handle), 20, 20, null, false)).Resize(20, 20);
gd.WaitForIdle();
VeldridRender render = new VeldridRender(gd);
byte[] data = Helpers.GetAssetByteArray("App.Shaders.Shader.metal");
render.Shaders = new Shader[]
{
render.graphicsDevice.ResourceFactory.CreateShader(new ShaderDescription(ShaderStages.Vertex, data, "shader_vertex", true)),
render.graphicsDevice.ResourceFactory.CreateShader(new ShaderDescription(ShaderStages.Fragment, data, "shader_fragment", true))
};
return(render);
}
catch (Exception ex)
{
Logger.AddLog(ex);
}
return(null);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
View.BackgroundColor = UIColor.SystemPinkColor;
// device init
GraphicsDeviceOptions options = new GraphicsDeviceOptions(false, null, false, ResourceBindingModel.Improved);
#if DEBUG
options.Debug = true;
#endif
SwapchainSource ss = SwapchainSource.CreateUIView(this.View.Handle);
SwapchainDescription scd = new SwapchainDescription(
ss,
width, height,
PixelFormat.R32_Float,
false);
graphicsDevice = GraphicsDevice.CreateMetal(options);
swapchain = graphicsDevice.ResourceFactory.CreateSwapchain(ref scd);
factory = graphicsDevice.ResourceFactory;
// resource init
CreateSizeDependentResources();
VertexPosition[] quadVertices =
{
new VertexPosition(new Vector3(-1, 1, 0)),
new VertexPosition(new Vector3(1, 1, 0)),
new VertexPosition(new Vector3(-1, -1, 0)),
new VertexPosition(new Vector3(1, -1, 0))
};
uint[] quadIndices = new uint[]
{
0,
1,
2,
1,
3,
2
};
vertexBuffer = factory.CreateBuffer(new BufferDescription(4 * VertexPosition.SizeInBytes, BufferUsage.VertexBuffer));
indexBuffer = factory.CreateBuffer(new BufferDescription(6 * sizeof(uint), BufferUsage.IndexBuffer));
graphicsDevice.UpdateBuffer(vertexBuffer, 0, quadVertices);
graphicsDevice.UpdateBuffer(indexBuffer, 0, quadIndices);
commandList = factory.CreateCommandList();
viewLoaded = true;
displayLink = CADisplayLink.Create(Render);
displayLink.PreferredFramesPerSecond = 60;
displayLink.AddToRunLoop(NSRunLoop.Main, NSRunLoop.NSDefaultRunLoopMode);
}
public override void MovedToWindow()
{
base.MovedToWindow();
var swapchainSource = SwapchainSource.CreateUIView(Handle);
var swapchainDescription = new SwapchainDescription(swapchainSource, (uint)Frame.Width, (uint)Frame.Height, null, true, true);
if (_backend == GraphicsBackend.Metal)
{
GraphicsDevice = GraphicsDevice.CreateMetal(_deviceOptions);
}
MainSwapchain = GraphicsDevice.ResourceFactory.CreateSwapchain(swapchainDescription);
DeviceReady?.Invoke();
_displayLink = CADisplayLink.Create(HandleDisplayLinkOutputCallback);
_displayLink.AddToRunLoop(NSRunLoop.Current, NSRunLoopMode.Default);
}
public IRenderBase GetRender()
{
MetalInfo();
TaskCompletionSource <VeldridRender> tcs = new TaskCompletionSource <VeldridRender>();
App.RunOnMainThread(() =>
{
//GPU won't always load without these
Veldrid.MetalBindings.MTLDevice.MTLCreateSystemDefaultDevice();
MTLDevice.SystemDefault.Dispose();
//Thread.Sleep(50);
UIView view = new UIView();
SwapchainSource scs = SwapchainSource.CreateUIView(new UIView().Handle);//Apparently necessary to not native crash when creating Color buffer on A10 processors(A12 won't need)
//SwapchainSource scs = SwapchainSource.CreateUIView(UIApplication.SharedApplication.KeyWindow.RootViewController.View.Handle);//Apparently necessary to not native crash when creating Color buffer on A10 processors(A12 won't need)
//UIApplication.SharedApplication.KeyWindow.Add(view);
/*
* Thread.Sleep(50);
*
* try
* {
* ViewPtr = UIApplication.SharedApplication.Windows[0].InputViewController.View.Handle;
* }
* catch { }*/
// IntPtr Handler = UIApplication.SharedApplication.Windows[0].RootViewController.View.Handle;
//tcs.TrySetResult(VeldridRender.InitFromMetal(AppDelegate.RootViewControllerHandle));
tcs.SetResult(VeldridRender.InitFromMetal(scs));
});
var render = tcs.Task.Result;
MetalInfo();
return(render);
}