public static Glfw.GlfwWindow InitializeEngine(out object[] callbacks, int Width = 640, int Height = 480)
{
Glfw.ErrorFunc errorCallbackDelegate = GlfwErrorCallback;
_ = Glfw.SetErrorCallback(Marshal.GetFunctionPointerForDelegate(errorCallbackDelegate));
if (Glfw.Init())
{
Console.WriteLine("Glfw has successfully initialized");
}
else
{
Console.WriteLine("Glfw has failed to successfully initialize");
throw new Exception("Glfw has failed to successfully initialize");
}
Glfw.DefaultWindowHints(true);
Glfw.GlfwWindow window = Glfw.CreateWindow(Width, Height, ".NET Core GL");
if (window == IntPtr.Zero)
{
Console.WriteLine("Error creating context window.");
throw new Exception("Error creating context window.");
}
Glfw.MakeContextCurrent(window);
Gl.LoadDelegates();
Gl.Enable(0x92E0);
Gl.Enable(0x0B71); //Enable depth test
Gl.GlErrorCallbackDelegate glErrorCallbackDelegate = GlErrorCallback;
Gl.SetViewport(0, 0, Width, Height);
Gl.DebugMessageCallback(glErrorCallbackDelegate);
Glfw.KeyCallback keyCallbackDelegate = KeyCallbackHandler;
_ = Glfw.SetKeyCallback(window, Marshal.GetFunctionPointerForDelegate(keyCallbackDelegate));
callbacks = new object[] { (object)keyCallbackDelegate, (object)errorCallbackDelegate };
return(window);
}
protected override void SetupInternal(Configurator config)
{
bool initSuccess = Glfw.Init();
if (!initSuccess)
{
Engine.Log.Error("Couldn't initialize glfw.", MessageSource.Glfw);
return;
}
_errorCallback = ErrorCallback;
Glfw.SetErrorCallback(_errorCallback);
#if ANGLE
LoadLibrary("libEGL");
LoadLibrary("libGLESv2");
Glfw.WindowHint(Glfw.Hint.ClientApi, Glfw.ClientApi.OpenGLES);
Glfw.WindowHint(Glfw.Hint.ContextCreationApi, Glfw.ContextApi.EGL);
Glfw.WindowHint(Glfw.Hint.ContextVersionMajor, 3);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows) && Kernel32Methods.GetModuleHandle("renderdoc.dll") != IntPtr.Zero)
{
Glfw.WindowHint(Glfw.Hint.ContextVersionMinor, 1);
}
#endif
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
// Macs need a very specific context to be requested.
Glfw.WindowHint(Glfw.Hint.ContextVersionMajor, 3);
Glfw.WindowHint(Glfw.Hint.ContextVersionMinor, 2);
Glfw.WindowHint(Glfw.Hint.OpenglForwardCompat, true);
Glfw.WindowHint(Glfw.Hint.OpenglProfile, Glfw.OpenGLProfile.Core);
}
else
{
// Version set by the angle ifdef shouldn't be overwritten.
#if !ANGLE
Glfw.WindowHint(Glfw.Hint.ContextVersionMajor, 3);
Glfw.WindowHint(Glfw.Hint.ContextVersionMinor, 3);
Glfw.WindowHint(Glfw.Hint.OpenglForwardCompat, true);
Glfw.WindowHint(Glfw.Hint.OpenglProfile, Glfw.OpenGLProfile.Core);
#endif
}
Glfw.Window?win = Glfw.CreateWindow((int)config.HostSize.X, (int)config.HostSize.Y, config.HostTitle);
if (win == null || win.Value.Ptr == IntPtr.Zero)
{
Engine.Log.Error("Couldn't create window.", MessageSource.Glfw);
return;
}
_win = win.Value;
Glfw.SetWindowSizeLimits(_win, (int)config.RenderSize.X, (int)config.RenderSize.Y, -1, -1);
_focusCallback = FocusCallback;
Glfw.SetWindowFocusCallback(_win, _focusCallback);
_resizeCallback = ResizeCallback;
Glfw.SetFramebufferSizeCallback(_win, _resizeCallback);
Context = new GlfwGraphicsContext(_win);
Context.MakeCurrent();
_keyInputCallback = KeyInput;
Glfw.SetKeyCallback(_win, _keyInputCallback);
_mouseButtonFunc = MouseButtonKeyInput;
Glfw.SetMouseButtonCallback(_win, _mouseButtonFunc);
_mouseScrollFunc = MouseScrollInput;
Glfw.SetScrollCallback(_win, _mouseScrollFunc);
void TextInputRedirect(Glfw.Window _, uint codePoint)
{
UpdateTextInput((char)codePoint);
}
_textInputCallback = TextInputRedirect;
Glfw.SetCharCallback(_win, _textInputCallback);
Glfw.Monitor[] monitors = Glfw.GetMonitors();
for (var i = 0; i < monitors.Length; i++)
{
Glfw.GetMonitorPos(monitors[i], out int x, out int y);
Glfw.VideoMode videoMode = Glfw.GetVideoMode(monitors[i]);
var mon = new GlfwMonitor(new Vector2(x, y), new Vector2(videoMode.Width, videoMode.Height));
UpdateMonitor(mon, true, i == 0);
}
FocusChanged(true);
Glfw.FocusWindow(_win);
#if OpenAL
Audio = OpenALAudioAdapter.TryCreate(this) ?? (AudioContext) new NullAudioContext();
#else
Audio = new NullAudioContext();
#endif
}