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Diffstat (limited to 'Xamarin.Forms.Platform.MacOS/Renderers/OpenGLViewRenderer.cs')
-rw-r--r--Xamarin.Forms.Platform.MacOS/Renderers/OpenGLViewRenderer.cs104
1 files changed, 104 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.MacOS/Renderers/OpenGLViewRenderer.cs b/Xamarin.Forms.Platform.MacOS/Renderers/OpenGLViewRenderer.cs
new file mode 100644
index 0000000..dda6ac5
--- /dev/null
+++ b/Xamarin.Forms.Platform.MacOS/Renderers/OpenGLViewRenderer.cs
@@ -0,0 +1,104 @@
+´╗┐using System;
+using System.ComponentModel;
+using CoreVideo;
+
+namespace Xamarin.Forms.Platform.MacOS
+{
+ // ReSharper disable once InconsistentNaming
+ internal class OpenGLViewRenderer : ViewRenderer<OpenGLView, MacOSOpenGLView>
+ {
+ CVDisplayLink _displayLink;
+
+ public void Display(object sender, EventArgs eventArgs)
+ {
+ if (Element.HasRenderLoop)
+ return;
+ SetupRenderLoop(true);
+ }
+
+ protected override void Dispose(bool disposing)
+ {
+ if (_displayLink != null)
+ {
+ _displayLink.Dispose();
+ _displayLink = null;
+
+ if (Element != null)
+ ((IOpenGlViewController)Element).DisplayRequested -= Display;
+ }
+
+ base.Dispose(disposing);
+ }
+
+ protected override void OnElementChanged(ElementChangedEventArgs<OpenGLView> e)
+ {
+ if (e.OldElement != null)
+ ((IOpenGlViewController)e.OldElement).DisplayRequested -= Display;
+
+ if (e.NewElement != null)
+ {
+ //var context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
+ //var glkView = new GLKView(RectangleF.Empty) { Context = context, DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24, Delegate = new Delegate(e.NewElement) };
+ var glkView = new MacOSOpenGLView();
+ SetNativeControl(glkView);
+
+ ((IOpenGlViewController)e.NewElement).DisplayRequested += Display;
+
+ SetupRenderLoop(false);
+ }
+
+ base.OnElementChanged(e);
+ }
+
+ protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+ {
+ base.OnElementPropertyChanged(sender, e);
+
+ if (e.PropertyName == OpenGLView.HasRenderLoopProperty.PropertyName)
+ SetupRenderLoop(false);
+ }
+
+ void SetupRenderLoop(bool oneShot)
+ {
+ if (_displayLink != null)
+ return;
+ if (!oneShot && !Element.HasRenderLoop)
+ return;
+
+ _displayLink = new CVDisplayLink();
+
+ //.Create(() =>
+ //{
+ // var control = Control;
+ // var model = Element;
+ // if (control != null)
+ // control.Display();
+ // if (control == null || model == null || !model.HasRenderLoop)
+ // {
+ // _displayLink.Invalidate();
+ // _displayLink.Dispose();
+ // _displayLink = null;
+ // }
+ //});
+ //_displayLink.(NSRunLoop.Current, NSRunLoop.NSDefaultRunLoopMode);
+ }
+
+ //class Delegate : GLKViewDelegate
+ //{
+ // readonly OpenGLView _model;
+
+ // public Delegate(OpenGLView model)
+ // {
+ // _model = model;
+ // }
+
+ // public override void DrawInRect(GLKView view, RectangleF rect)
+ // {
+ // var onDisplay = _model.OnDisplay;
+ // if (onDisplay == null)
+ // return;
+ // onDisplay(rect.ToRectangle());
+ // }
+ //}
+ }
+} \ No newline at end of file