Function newRenderWindow

core/renderwindow.go:103–146

newRenderWindow creates a new window with given internal name handle, display name, and options. This is called by Stage.newRenderWindow which handles setting the opts and other infrastructure.

(name, title string, opts *system.NewWindowOptions)

// display name, and options.  This is called by Stage.newRenderWindow
// which handles setting the opts and other infrastructure.
func newRenderWindow(name, title string, opts *system.NewWindowOptions) *renderWindow {
	w := &renderWindow{}
	w.name = name
	w.title = title
	var err error
	w.SystemWindow, err = system.TheApp.NewWindow(opts)
	if err != nil {
		fmt.Printf("Cogent Core NewRenderWindow error: %v \n", err)
		return nil
	}
	w.SystemWindow.SetName(title)
	w.SystemWindow.SetTitleBarIsDark(matcolor.SchemeIsDark)
	w.SystemWindow.SetCloseReqFunc(func(win system.Window) {
		rc := w.renderContext()
		rc.lock()
		defer rc.unlock()
		w.closing = true
		// ensure that everyone is closed first
		for _, kv := range w.mains.stack.Order {
			if kv.Value == nil || kv.Value.Scene == nil || kv.Value.Scene.This == nil {
				continue
			}
			if !kv.Value.Scene.Close() {
				w.closing = false
				return
			}
		}
		win.Close()
	})

	drw := w.SystemWindow.Drawer()
	drw.SetMaxTextures(system.MaxTexturesPerSet * 3)       // use 3 sets
	w.renderScenes.maxIndex = system.MaxTexturesPerSet * 2 // reserve last for sprites

	// win.SystemWin.SetDestroyGPUResourcesFunc(func() {
	// 	for _, ph := range win.Phongs {
	// 		ph.Destroy()
	// 	}
	// 	for _, fr := range win.Frames {
	// 		fr.Destroy()
	// 	}
	// })
	return w
}

// MainScene returns the current [renderWindow.mains] top Scene,
// which is the current window or full window dialog occupying the RenderWindow.