Decouple iris-core from winit

core/Cargo.toml

@@ -4,7 +4,6 @@ version.workspace = true
 edition.workspace = true
 
 [dependencies]
-winit = { workspace = true }
 wgpu = { workspace = true }
 bytemuck ={ workspace = true }
 image = { workspace = true }

core/src/render/mod.rs

@@ -3,14 +3,13 @@ use std::num::NonZero;
 use crate::{
     UiData, UiRenderState,
     render::{data::PrimitiveInstance, texture::GpuTextures, util::ArrBuf},
-    util::HashMap,
+    util::{HashMap, Vec2},
 };
 use data::WindowUniform;
 use wgpu::{
     util::{BufferInitDescriptor, DeviceExt},
     *,
 };
-use winit::dpi::PhysicalSize;
 
 mod data;
 mod primitive;
@@ -118,10 +117,12 @@ impl UiRenderNode {
         }
     }
 
-    pub fn resize(&mut self, size: &PhysicalSize<u32>, queue: &Queue) {
+    /// Updates the render target dimensions without depending on a window backend.
+    pub fn resize(&mut self, size: impl Into<Vec2>, queue: &Queue) {
+        let size = size.into();
         let slice = &[WindowUniform {
-            width: size.width as f32,
-            height: size.height as f32,
+            width: size.x,
+            height: size.y,
         }];
         queue.write_buffer(&self.window_buffer, 0, bytemuck::cast_slice(slice));
     }