danwalmsley
8 years ago
committed by
GitHub
GitHub
8 changed files with 533 additions and 202 deletions
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using System; |
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using System.Runtime.InteropServices; |
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using Avalonia.Native.Interop; |
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using Avalonia.Platform; |
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using SharpGen.Runtime; |
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namespace Avalonia.Native |
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{ |
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public class DeferredFramebuffer : ILockedFramebuffer |
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{ |
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private readonly Func<Action<IAvnWindowBase>, bool> _lockWindow; |
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public DeferredFramebuffer(Func<Action<IAvnWindowBase>, bool> lockWindow, |
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int width, int height, Vector dpi) |
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{ |
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_lockWindow = lockWindow; |
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Address = Marshal.AllocHGlobal(width * height * 4); |
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Width = width; |
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Height = height; |
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RowBytes = width * 4; |
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Dpi = dpi; |
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Format = PixelFormat.Rgba8888; |
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} |
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public IntPtr Address { get; set; } |
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public int Width { get; set; } |
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public int Height { get; set; } |
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public int RowBytes { get; set; } |
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public Vector Dpi { get; set; } |
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public PixelFormat Format { get; set; } |
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class Disposer : CallbackBase |
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{ |
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private IntPtr _ptr; |
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public Disposer(IntPtr ptr) |
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{ |
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_ptr = ptr; |
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} |
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protected override void Destroyed() |
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{ |
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if(_ptr != IntPtr.Zero) |
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{ |
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Marshal.FreeHGlobal(_ptr); |
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_ptr = IntPtr.Zero; |
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} |
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} |
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} |
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public void Dispose() |
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{ |
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if (Address == IntPtr.Zero) |
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return; |
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if (!_lockWindow(win => |
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{ |
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var fb = new AvnFramebuffer |
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{ |
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Data = Address, |
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Dpi = new AvnVector |
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{ |
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X = Dpi.X, |
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Y = Dpi.Y |
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}, |
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Width = Width, |
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Height = Height, |
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PixelFormat = (AvnPixelFormat)Format, |
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Stride = RowBytes |
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}; |
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using (var d = new Disposer(Address)) |
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win.ThreadSafeSetSwRenderedFrame(ref fb, d); |
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})) |
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Marshal.FreeHGlobal(Address); |
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Address = IntPtr.Zero; |
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} |
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} |
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} |
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@ -0,0 +1,78 @@ |
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using System; |
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using System.Collections.Generic; |
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using Avalonia.Platform; |
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using Avalonia.Rendering; |
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using Avalonia.VisualTree; |
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namespace Avalonia.Native |
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{ |
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public class DeferredRendererProxy : IRenderer, IRenderLoopTask, IRenderLoop |
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{ |
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object _lock = new object(); |
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void IRenderLoop.Add(IRenderLoopTask i) |
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{ |
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AvaloniaLocator.Current.GetService<IRenderLoop>().Add(this); |
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} |
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void IRenderLoop.Remove(IRenderLoopTask i) |
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{ |
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AvaloniaLocator.Current.GetService<IRenderLoop>().Remove(this); |
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} |
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DeferredRenderer _renderer; |
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IRenderLoopTask _rendererTask; |
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public DeferredRendererProxy(IRenderRoot root) |
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{ |
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_renderer = new DeferredRenderer(root, this); |
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_rendererTask = (IRenderLoopTask)_renderer; |
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} |
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public bool DrawFps{ |
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get => _renderer.DrawFps; |
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set => _renderer.DrawFps = value; |
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} |
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public bool DrawDirtyRects |
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{ |
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get => _renderer.DrawDirtyRects; |
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set => _renderer.DrawDirtyRects = value; |
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} |
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public bool NeedsUpdate => _rendererTask.NeedsUpdate; |
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public void AddDirty(IVisual visual) => _renderer.AddDirty(visual); |
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public void Dispose() => _renderer.Dispose(); |
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public IEnumerable<IVisual> HitTest(Point p, IVisual root, Func<IVisual, bool> filter) |
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{ |
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return _renderer.HitTest(p, root, filter); |
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} |
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public void Paint(Rect rect) |
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{ |
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if (NeedsUpdate) |
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Update(TimeSpan.FromMilliseconds(Environment.TickCount)); |
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Render(); |
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} |
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public void Resized(Size size) => _renderer.Resized(size); |
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public void Start() => _renderer.Start(); |
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public void Stop() => _renderer.Stop(); |
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public void Update(TimeSpan time) |
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{ |
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_rendererTask.Update(time); |
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} |
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public void Render() |
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{ |
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lock(_lock) |
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{ |
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_rendererTask.Render(); |
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} |
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} |
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} |
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} |
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