diff options
Diffstat (limited to 'wgpu/src/layer')
-rw-r--r-- | wgpu/src/layer/quad.rs | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/wgpu/src/layer/quad.rs b/wgpu/src/layer/quad.rs deleted file mode 100644 index 284a7618..00000000 --- a/wgpu/src/layer/quad.rs +++ /dev/null @@ -1,149 +0,0 @@ -//! A rectangle with certain styled properties. -use crate::core::{Background, Rectangle}; -use crate::graphics::gradient; -use bytemuck::{Pod, Zeroable}; - -/// The properties of a quad. -#[derive(Clone, Copy, Debug, Pod, Zeroable)] -#[repr(C)] -pub struct Quad { - /// The position of the [`Quad`]. - pub position: [f32; 2], - - /// The size of the [`Quad`]. - pub size: [f32; 2], - - /// The border color of the [`Quad`], in __linear RGB__. - pub border_color: [f32; 4], - - /// The border radii of the [`Quad`]. - pub border_radius: [f32; 4], - - /// The border width of the [`Quad`]. - pub border_width: f32, -} - -/// A quad filled with a solid color. -#[derive(Clone, Copy, Debug, Pod, Zeroable)] -#[repr(C)] -pub struct Solid { - /// The background color data of the quad. - pub color: [f32; 4], - - /// The [`Quad`] data of the [`Solid`]. - pub quad: Quad, -} - -/// A quad filled with interpolated colors. -#[derive(Clone, Copy, Debug)] -#[repr(C)] -pub struct Gradient { - /// The background gradient data of the quad. - pub gradient: gradient::Packed, - - /// The [`Quad`] data of the [`Gradient`]. - pub quad: Quad, -} - -#[allow(unsafe_code)] -unsafe impl Pod for Gradient {} - -#[allow(unsafe_code)] -unsafe impl Zeroable for Gradient {} - -#[derive(Debug, Copy, Clone)] -/// The identifier of a quad, used for ordering. -pub enum Order { - /// A solid quad - Solid, - /// A gradient quad - Gradient, -} - -/// A group of [`Quad`]s rendered together. -#[derive(Default, Debug)] -pub struct Layer { - /// The solid quads of the [`Layer`]. - solids: Vec<Solid>, - - /// The gradient quads of the [`Layer`]. - gradients: Vec<Gradient>, - - /// The quad order of the [`Layer`]; stored as a tuple of the quad type & its count. - order: Vec<(Order, usize)>, - - /// The last index of quad ordering. - index: usize, -} - -impl Layer { - /// Returns true if there are no quads of any type in [`Quads`]. - pub fn is_empty(&self) -> bool { - self.solids.is_empty() && self.gradients.is_empty() - } - - /// The [`Solid`] quads of the [`Layer`]. - pub fn solids(&self) -> &[Solid] { - &self.solids - } - - /// The [`Gradient`] quads of the [`Layer`]. - pub fn gradients(&self) -> &[Gradient] { - &self.gradients - } - - /// The order of quads within the [`Layer`], grouped by (type, count) for rendering in batches. - pub fn ordering(&self) -> &[(Order, usize)] { - &self.order - } - - /// Adds a [`Quad`] with the provided `Background` type to the quad [`Layer`]. - pub fn add(&mut self, quad: Quad, background: &Background) { - let quad_order = match background { - Background::Color(color) => { - self.solids.push(Solid { - color: color.into_linear(), - quad, - }); - - Order::Solid - } - Background::Gradient(gradient) => { - let quad = Gradient { - gradient: gradient::pack( - gradient, - Rectangle::new(quad.position.into(), quad.size.into()), - ), - quad, - }; - - self.gradients.push(quad); - Order::Gradient - } - }; - - match (self.order.get_mut(self.index), quad_order) { - (Some((quad_order, count)), Order::Solid) => match quad_order { - Order::Solid => { - *count += 1; - } - Order::Gradient => { - self.order.push((Order::Solid, 1)); - self.index += 1; - } - }, - (Some((quad_order, count)), Order::Gradient) => match quad_order { - Order::Solid => { - self.order.push((Order::Gradient, 1)); - self.index += 1; - } - Order::Gradient => { - *count += 1; - } - }, - (None, _) => { - self.order.push((quad_order, 1)); - } - } - } -} |