macOS resize fix

Author: AlexApps99

egui_glium/examples/pure.rs

@@ -105,15 +105,8 @@ fn main() {
                     *control_flow = glutin::event_loop::ControlFlow::Exit;
                 }
 
-                if let glutin::event::WindowEvent::Resized(glutin::dpi::PhysicalSize {
-                    width: width_in_pixels,
-                    height: height_in_pixels,
-                }) = event
-                {
-                    unsafe {
-                        use glow::HasContext;
-                        gl.viewport(0, 0, width_in_pixels as i32, height_in_pixels as i32);
-                    }
+                if let glutin::event::WindowEvent::Resized(physical_size) = event {
+                    display.resize(physical_size);
                 }
 
                 egui.on_event(&event);

egui_glium/src/backend.rs

@@ -289,16 +289,8 @@ pub fn run(mut app: Box<dyn epi::App>, native_options: epi::NativeOptions) {
                         running = false;
                     }
 
-                    if let glutin::event::WindowEvent::Resized(glutin::dpi::PhysicalSize {
-                        width: width_in_pixels,
-                        height: height_in_pixels,
-                    }) = event
-                    {
-                        println!("{}x{}", width_in_pixels, height_in_pixels);
-                        unsafe {
-                            use glow::HasContext;
-                            gl.viewport(0, 0, width_in_pixels as i32, height_in_pixels as i32);
-                        }
+                    if let glutin::event::WindowEvent::Resized(physical_size) = event {
+                        gl_window.resize(physical_size);
                     }
 
                     if let glutin::event::WindowEvent::Focused(new_focused) = event {

egui_glium/src/painter.rs

@@ -302,6 +302,8 @@ impl Painter {
         let width_in_points = width_in_pixels as f32 / pixels_per_point;
         let height_in_points = height_in_pixels as f32 / pixels_per_point;
 
+        gl.viewport(0, 0, width_in_pixels as i32, height_in_pixels as i32);
+
         gl.use_program(Some(self.program));
 
         // The texture coordinates for text are so that both nearest and linear should work with the egui font texture.