spans now good (other than direction) + refactor

src/render/data.rs

@@ -1,12 +1,6 @@
-use crate::primitive::UIRegion;
 use wgpu::VertexAttribute;
 
-#[repr(C)]
-#[derive(Copy, Clone, bytemuck::Pod, bytemuck::Zeroable)]
-pub struct PrimitiveInstance {
-    pub region: UIRegion,
-    pub ptr: u32,
-}
+use crate::UIRegion;
 
 #[repr(C)]
 #[derive(Copy, Clone, bytemuck::Pod, bytemuck::Zeroable, Default)]
@@ -15,6 +9,13 @@ pub struct WindowUniform {
     pub height: f32,
 }
 
+#[repr(C)]
+#[derive(Copy, Clone, bytemuck::Pod, bytemuck::Zeroable)]
+pub struct PrimitiveInstance {
+    pub region: UIRegion,
+    pub ptr: u32,
+}
+
 impl PrimitiveInstance {
     const ATTRIBS: [VertexAttribute; 5] = wgpu::vertex_attr_array![
         0 => Float32x2,