1 files changed, 98 insertions, 0 deletions
diff --git a/Samples/EglBackend/Program.cs b/Samples/EglBackend/Program.cs
new file mode 100644
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--- /dev/null
+++ b/Samples/EglBackend/Program.cs
@@ -0,0 +1,98 @@
+// Copyright (c) 2013-2020  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+//
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+using System;
+using System.Threading;
+using Crow;
+using Glfw;
+
+namespace EglBackend
+{
+
+	class MainClass : Interface
+	{
+		const int OpenglEsApi = 0x00030002;
+		const int EglContextApi = 0x00036002;
+		Crow.Cairo.EGLDevice dev;
+
+		MainClass (IntPtr hWnd) : base (800, 600, hWnd) {
+			IntPtr eglDisp = Glfw3.GetEGLDisplay ();
+			IntPtr eglCtx = Glfw3.GetEGLContext (hWnd);
+
+			dev = new Crow.Cairo.EGLDevice (eglDisp, eglCtx);
+			Console.WriteLine ($"Egl device creation status: {dev.Status}");
+			surf = new Crow.Cairo.GLSurface (dev, Glfw3.GetEGLSurface (hWnd), this.clientRectangle.Width, this.clientRectangle.Height);
+			Console.WriteLine ($"Cairo surface creation status: {surf.Status}");
+			Glfw3.MakeContextCurrent (hWnd);
+			Glfw3.SwapInterval (1);
+
+			using (Crow.Cairo.Context ctx = new Crow.Cairo.Context (surf)) {
+				ctx.SetSourceRGB (1, 0, 0);
+				ctx.Paint ();
+			}
+
+			/*Thread t = new Thread (InterfaceThread) {
+				IsBackground = true
+			};
+			t.Start ();*/
+
+		}
+		protected override void Dispose (bool disposing)
+		{
+			surf.Dispose ();
+			dev.Dispose ();
+
+			base.Dispose (disposing);
+		}
+
+		public static void Main (string [] args)
+		{
+			Glfw3.Init ();
+			Glfw3.SetErrorCallback ((error, description) => Console.WriteLine ($"{error}:{description}"));
+			Glfw3.WindowHint (WindowAttribute.ClientApi, OpenglEsApi);
+			Glfw3.WindowHint (WindowAttribute.ContextVersionMajor, 2);
+			Glfw3.WindowHint (WindowAttribute.ContextCreationApi, EglContextApi);
+
+			/*Glfw3.WindowHint (WindowAttribute.RedBits, 8);
+			Glfw3.WindowHint (WindowAttribute.GreenBits, 8);
+			Glfw3.WindowHint (WindowAttribute.BlueBits, 8);
+			Glfw3.WindowHint (WindowAttribute.DepthBits, 8);*/
+
+
+			IntPtr hWnd = Glfw3.CreateWindow (800, 600, "Egl Test", MonitorHandle.Zero, IntPtr.Zero);
+
+			if (hWnd == IntPtr.Zero)
+				throw new Exception ("[GLFW3] Unable to create egl Window");
+				
+			Glfw3.MakeContextCurrent (hWnd);
+
+			using (MainClass app = new MainClass (hWnd)) {
+				app.Init ();
+				while(!Glfw3.WindowShouldClose(hWnd)) {
+					app.Update ();
+					if (app.IsDirty) {
+						(app.surf as Crow.Cairo.GLSurface).SwapBuffers ();
+						//Glfw3.SwapBuffers (hWnd);
+						app.IsDirty = false;
+					}
+					Glfw3.PollEvents ();
+				}
+			}
+
+
+			Glfw3.DestroyWindow (hWnd);
+			Glfw3.Terminate ();
+		}
+
+		protected override void OnInitialized ()
+		{
+			base.OnInitialized ();
+			registerGlfwCallbacks ();
+			foreach (string s in System.Reflection.Assembly.GetExecutingAssembly ().GetManifestResourceNames ()) {
+				Console.WriteLine (s);
+			}
+
+			Load ("#ui.helloworld.crow").DataSource = this;
+		}
+	}
+}