Move solution and projects to src

src/Ryujinx.Graphics.OpenGL/IOpenGLContext.cs

@@ -0,0 +1,27 @@
+using Ryujinx.Graphics.OpenGL.Helper;
+using System;
+
+namespace Ryujinx.Graphics.OpenGL
+{
+    public interface IOpenGLContext : IDisposable
+    {
+        void MakeCurrent();
+
+        // TODO: Support more APIs per platform.
+        static bool HasContext()
+        {
+            if (OperatingSystem.IsWindows())
+            {
+                return WGLHelper.GetCurrentContext() != IntPtr.Zero;
+            }
+            else if (OperatingSystem.IsLinux())
+            {
+                return GLXHelper.GetCurrentContext() != IntPtr.Zero;
+            }
+            else
+            {
+                return false;
+            }
+        }
+    }
+}