Make CGSize invisible to outside crates

examples/circle/main.rs

@@ -106,7 +106,7 @@ fn main() {
     }
 
     let draw_size = window.inner_size();
-    layer.set_drawable_size(CGSize::new(draw_size.width as f64, draw_size.height as f64));
+    layer.set_drawable_size(draw_size.width as f64, draw_size.height as f64);
 
     let vbuf = {
         let vertex_data = create_vertex_points_for_circle();

examples/mesh-shader/main.rs

@@ -43,7 +43,7 @@ fn main() {
     }
 
     let draw_size = window.inner_size();
-    layer.set_drawable_size(CGSize::new(draw_size.width as f64, draw_size.height as f64));
+    layer.set_drawable_size(draw_size.width as f64, draw_size.height as f64);
 
     let library_path = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"))
         .join("examples/mesh-shader/shaders.metallib");
@@ -75,7 +75,7 @@ fn main() {
                 Event::WindowEvent { event, .. } => match event {
                     WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
                     WindowEvent::Resized(size) => {
-                        layer.set_drawable_size(CGSize::new(size.width as f64, size.height as f64));
+                        layer.set_drawable_size(size.width as f64, size.height as f64);
                     }
                     _ => (),
                 },

examples/raytracing/main.rs

@@ -51,11 +51,10 @@ fn main() {
     }
 
     let draw_size = window.inner_size();
-    let cg_size = CGSize::new(draw_size.width as f64, draw_size.height as f64);
-    layer.set_drawable_size(cg_size);
+    layer.set_drawable_size(draw_size.width as f64, draw_size.height as f64);
 
     let mut renderer = renderer::Renderer::new(device);
-    renderer.window_resized(cg_size);
+    renderer.window_resized(draw_size.width as usize, draw_size.height as usize);
 
     events_loop.run(move |event, _, control_flow| {
         autoreleasepool(|_| {
@@ -65,9 +64,8 @@ fn main() {
                 Event::WindowEvent { event, .. } => match event {
                     WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
                     WindowEvent::Resized(size) => {
-                        let size = CGSize::new(size.width as f64, size.height as f64);
-                        layer.set_drawable_size(size);
-                        renderer.window_resized(size);
+                        layer.set_drawable_size(size.width as f64, size.height as f64);
+                        renderer.window_resized(size.width as usize, size.height as usize);
                     }
                     _ => (),
                 },

examples/raytracing/renderer.rs

@@ -64,7 +64,8 @@ pub struct Renderer {
     pub frame_index: usize,
     pub uniform_buffer_index: usize,
     pub uniform_buffer_offset: usize,
-    pub size: CGSize,
+    pub width: usize,
+    pub height: usize,
     semaphore: Semaphore,
     pub queue: CommandQueue,
     instance_buffer: Buffer,
@@ -265,7 +266,8 @@ impl Renderer {
             frame_index: 0,
             uniform_buffer_index: 0,
             uniform_buffer_offset: 0,
-            size: CGSize::new(1024.0, 1024.0),
+            width: 1024,
+            height: 1024,
             semaphore: Semaphore::new((MAX_FRAMES_IN_FLIGHT - 2) as usize),
             instance_buffer,
             queue,
@@ -287,26 +289,26 @@ impl Renderer {
         texture_descriptor
     }
 
-    pub fn window_resized(&mut self, size: CGSize) {
-        self.size = size;
-        let texture_descriptor =
-            Self::create_target_descriptor(size.width as usize, size.height as usize);
+    pub fn window_resized(&mut self, width: usize, height: usize) {
+        self.width = width;
+        self.height = height;
+        let texture_descriptor = Self::create_target_descriptor(width, height);
         self.accumulation_targets[0] = self.device.new_texture(&texture_descriptor);
         self.accumulation_targets[1] = self.device.new_texture(&texture_descriptor);
         texture_descriptor.set_pixel_format(MTLPixelFormat::R32Uint);
         texture_descriptor.set_usage(MTLTextureUsage::ShaderRead);
         texture_descriptor.set_storage_mode(MTLStorageMode::Managed);
         self.random_texture = self.device.new_texture(&texture_descriptor);
         let mut rng = thread_rng();
-        let mut random_values = vec![0u32; (size.width * size.height) as usize];
+        let mut random_values = vec![0u32; width * height];
         for v in &mut random_values {
             *v = rng.next_u32();
         }
         self.random_texture.replace_region(
-            MTLRegion::new_2d(0, 0, size.width as usize, size.height as usize),
+            MTLRegion::new_2d(0, 0, width, height),
             0,
             random_values.as_ptr() as *const c_void,
-            size_of::<u32>() * size.width as usize,
+            size_of::<u32>() * width,
         );
         self.frame_index = 0;
     }
@@ -333,15 +335,15 @@ impl Renderer {
         uniforms.camera.up = Vec4::from((up, 0.0));
 
         let field_of_view = 45.0 * (std::f32::consts::PI / 180.0);
-        let aspect_ratio = self.size.width as f32 / self.size.height as f32;
+        let aspect_ratio = self.width as f32 / self.height as f32;
         let image_plane_height = f32::tan(field_of_view / 2.0);
         let image_plane_width = aspect_ratio * image_plane_height;
 
         uniforms.camera.right *= image_plane_width;
         uniforms.camera.up *= image_plane_height;
 
-        uniforms.width = self.size.width as u32;
-        uniforms.height = self.size.height as u32;
+        uniforms.width = self.width as u32;
+        uniforms.height = self.height as u32;
 
         uniforms.frame_index = self.frame_index as u32;
         self.frame_index += 1;
@@ -365,12 +367,10 @@ impl Renderer {
         })
         .copy();
         command_buffer.add_completed_handler(&block);
-        let width = self.size.width as usize;
-        let height = self.size.height as usize;
         let threads_per_thread_group = MTLSize::new(8, 8, 1);
         let thread_groups = MTLSize::new(
-            (width + threads_per_thread_group.width - 1) / threads_per_thread_group.width,
-            (height + threads_per_thread_group.height - 1) / threads_per_thread_group.height,
+            (self.width + threads_per_thread_group.width - 1) / threads_per_thread_group.width,
+            (self.height + threads_per_thread_group.height - 1) / threads_per_thread_group.height,
             1,
         );
         let compute_encoder = command_buffer.new_compute_command_encoder();

examples/shader-dylib/main.rs

@@ -48,7 +48,7 @@ impl App {
             view.setLayer(mem::transmute(layer.as_ref()));
         }
         let draw_size = window.inner_size();
-        layer.set_drawable_size(CGSize::new(draw_size.width as f64, draw_size.height as f64));
+        layer.set_drawable_size(draw_size.width as f64, draw_size.height as f64);
 
         // compile dynamic lib shader
         let dylib_src_path = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"))
@@ -108,8 +108,7 @@ impl App {
     }
 
     fn resize(&mut self, width: u32, height: u32) {
-        self.layer
-            .set_drawable_size(CGSize::new(width as f64, height as f64));
+        self.layer.set_drawable_size(width as f64, height as f64);
         self.width = width;
         self.height = height;
     }

examples/texture/src/main.rs

@@ -167,10 +167,10 @@ fn get_window_layer(window: &Window, device: &Device) -> MetalLayer {
     // https://developer.apple.com/documentation/quartzcore/cametallayer/1478157-presentswithtransaction
     layer.set_presents_with_transaction(false);
 
-    layer.set_drawable_size(CGSize::new(
+    layer.set_drawable_size(
         window.inner_size().width as f64,
         window.inner_size().height as f64,
-    ));
+    );
 
     unsafe {
         let view = window.ns_view() as cocoa_id;
@@ -214,7 +214,7 @@ fn handle_window_event(
     match event {
         WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
         WindowEvent::Resized(size) => {
-            layer.set_drawable_size(CGSize::new(size.width as f64, size.height as f64));
+            layer.set_drawable_size(size.width as f64, size.height as f64);
 
             update_viewport_size_buffer(viewport_size_buffer, (size.width, size.height));
         }

examples/window/main.rs

@@ -106,7 +106,7 @@ fn main() {
     }
 
     let draw_size = window.inner_size();
-    layer.set_drawable_size(CGSize::new(draw_size.width as f64, draw_size.height as f64));
+    layer.set_drawable_size(draw_size.width as f64, draw_size.height as f64);
 
     let library_path = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"))
         .join("examples/window/shaders.metallib");
@@ -167,7 +167,7 @@ fn main() {
                 Event::WindowEvent { event, .. } => match event {
                     WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
                     WindowEvent::Resized(size) => {
-                        layer.set_drawable_size(CGSize::new(size.width as f64, size.height as f64));
+                        layer.set_drawable_size(size.width as f64, size.height as f64);
                     }
                     _ => (),
                 },

src/lib.rs

@@ -29,9 +29,8 @@ use std::{
 };
 
 use foreign_types::ForeignType;
-pub(crate) use icrate::Foundation::{CGFloat, NSRange};
-pub use icrate::Foundation::{NSSize as CGSize};
-pub(crate) use objc2::encode::{Encode, Encoding, RefEncode};
+use icrate::Foundation::{CGFloat, CGSize, NSRange};
+use objc2::encode::{Encode, Encoding, RefEncode};
 use objc2::runtime::{AnyObject, Bool, Protocol};
 
 // Explicitly doesn't use `icrate::Foundation::NS[U]Integer`, so that the
@@ -450,11 +449,13 @@ impl MetalLayerRef {
         unsafe { msg_send![self, setPixelFormat: pixel_format] }
     }
 
-    pub fn drawable_size(&self) -> CGSize {
-        unsafe { msg_send![self, drawableSize] }
+    pub fn drawable_size(&self) -> (f64, f64) {
+        let res: CGSize = unsafe { msg_send![self, drawableSize] };
+        (res.width as _, res.height as _)
     }
 
-    pub fn set_drawable_size(&self, size: CGSize) {
+    pub fn set_drawable_size(&self, width: f64, height: f64) {
+        let size = CGSize::new(width as _, height as _);
         unsafe { msg_send![self, setDrawableSize: size] }
     }