src/Ryujinx.Ava/UI/Renderer/EmbeddedWindowOpenGL.cs


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using OpenTK.Graphics.OpenGL;
using Ryujinx.Common.Configuration;
using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.OpenGL;
using Ryujinx.Ui.Common.Configuration;
using SPB.Graphics;
using SPB.Graphics.OpenGL;
using SPB.Platform;
using SPB.Platform.WGL;
using SPB.Windowing;
using System;

namespace Ryujinx.Ava.UI.Renderer
{
    public class EmbeddedWindowOpenGL : EmbeddedWindow
    {
        private SwappableNativeWindowBase _window;

        public OpenGLContextBase Context { get; set; }

        public EmbeddedWindowOpenGL() { }

        protected override void OnWindowDestroying()
        {
            Context.Dispose();

            base.OnWindowDestroying();
        }

        public override void OnWindowCreated()
        {
            base.OnWindowCreated();

            if (OperatingSystem.IsWindows())
            {
                _window = new WGLWindow(new NativeHandle(WindowHandle));
            }
            else if (OperatingSystem.IsLinux())
            {
                _window = X11Window;
            }
            else
            {
                throw new PlatformNotSupportedException();
            }

            var flags = OpenGLContextFlags.Compat;
            if (ConfigurationState.Instance.Logger.GraphicsDebugLevel != GraphicsDebugLevel.None)
            {
                flags |= OpenGLContextFlags.Debug;
            }

            var graphicsMode = Environment.OSVersion.Platform == PlatformID.Unix ? new FramebufferFormat(new ColorFormat(8, 8, 8, 0), 16, 0, ColorFormat.Zero, 0, 2, false) : FramebufferFormat.Default;

            Context = PlatformHelper.CreateOpenGLContext(graphicsMode, 3, 3, flags);

            Context.Initialize(_window);
            Context.MakeCurrent(_window);

            GL.LoadBindings(new OpenTKBindingsContext(Context.GetProcAddress));

            Context.MakeCurrent(null);
        }

        public void MakeCurrent()
        {
            Context?.MakeCurrent(_window);
        }

        public void MakeCurrent(NativeWindowBase window)
        {
            Context?.MakeCurrent(window);
        }

        public void SwapBuffers()
        {
            _window?.SwapBuffers();
        }

        public void InitializeBackgroundContext(IRenderer renderer)
        {
            (renderer as OpenGLRenderer)?.InitializeBackgroundContext(SPBOpenGLContext.CreateBackgroundContext(Context));

            MakeCurrent();
        }
    }
}