1  using OpenTK.Graphics.OpenGL;
 2  using Ryujinx.Common.Configuration;
 3  using Ryujinx.Common.Logging;
 4  using Ryujinx.Graphics.GAL;
 5  using Ryujinx.Graphics.OpenGL;
 6  using Ryujinx.UI.Common.Configuration;
 7  using SPB.Graphics;
 8  using SPB.Graphics.Exceptions;
 9  using SPB.Graphics.OpenGL;
10  using SPB.Platform;
11  using SPB.Platform.WGL;
12  using SPB.Windowing;
13  using System;
14  
15  namespace Ryujinx.Ava.UI.Renderer
16  {
17      public class EmbeddedWindowOpenGL : EmbeddedWindow
18      {
19          private SwappableNativeWindowBase _window;
20  
21          public OpenGLContextBase Context { get; set; }
22  
23          protected override void OnWindowDestroying()
24          {
25              Context.Dispose();
26  
27              base.OnWindowDestroying();
28          }
29  
30          public override void OnWindowCreated()
31          {
32              base.OnWindowCreated();
33  
34              if (OperatingSystem.IsWindows())
35              {
36                  _window = new WGLWindow(new NativeHandle(WindowHandle));
37              }
38              else if (OperatingSystem.IsLinux())
39              {
40                  _window = X11Window;
41              }
42              else
43              {
44                  throw new PlatformNotSupportedException();
45              }
46  
47              var flags = OpenGLContextFlags.Compat;
48              if (ConfigurationState.Instance.Logger.GraphicsDebugLevel != GraphicsDebugLevel.None)
49              {
50                  flags |= OpenGLContextFlags.Debug;
51              }
52  
53              var graphicsMode = Environment.OSVersion.Platform == PlatformID.Unix ? new FramebufferFormat(new ColorFormat(8, 8, 8, 0), 16, 0, ColorFormat.Zero, 0, 2, false) : FramebufferFormat.Default;
54  
55              Context = PlatformHelper.CreateOpenGLContext(graphicsMode, 3, 3, flags);
56  
57              Context.Initialize(_window);
58              Context.MakeCurrent(_window);
59  
60              GL.LoadBindings(new OpenTKBindingsContext(Context.GetProcAddress));
61  
62              Context.MakeCurrent(null);
63          }
64  
65          public void MakeCurrent(bool unbind = false, bool shouldThrow = true)
66          {
67              try
68              {
69                  Context?.MakeCurrent(!unbind ? _window : null);
70              }
71              catch (ContextException e)
72              {
73                  if (shouldThrow)
74                  {
75                      throw;
76                  }
77  
78                  Logger.Warning?.Print(LogClass.UI, $"Failed to {(!unbind ? "bind" : "unbind")} OpenGL context: {e}");
79              }
80          }
81  
82          public void SwapBuffers()
83          {
84              _window?.SwapBuffers();
85          }
86  
87          public void InitializeBackgroundContext(IRenderer renderer)
88          {
89              (renderer as OpenGLRenderer)?.InitializeBackgroundContext(SPBOpenGLContext.CreateBackgroundContext(Context));
90  
91              MakeCurrent();
92          }
93      }
94  }