Re-organize `custom` module as `pipeline` module

... and move `Shader` widget to `iced_widget` crate

1 files changed, 2 insertions, 61 deletions

diff --git a/wgpu/src/custom.rs b/wgpu/src/custom.rs
index 65a6f133..98e2b396 100644
--- a/wgpu/src/custom.rs
+++ b/wgpu/src/custom.rs
@@ -1,67 +1,8 @@
 //! Draw custom primitives.
 use crate::core::{Rectangle, Size};
 use crate::graphics::Transformation;
+use crate::primitive;
+
 use std::any::{Any, TypeId};
 use std::collections::HashMap;
 use std::fmt::Debug;
-
-/// Stores custom, user-provided pipelines.
-#[derive(Default, Debug)]
-pub struct Storage {
-    pipelines: HashMap<TypeId, Box<dyn Any>>,
-}
-
-impl Storage {
-    /// Returns `true` if `Storage` contains a pipeline with type `T`.
-    pub fn has<T: 'static>(&self) -> bool {
-        self.pipelines.get(&TypeId::of::<T>()).is_some()
-    }
-
-    /// Inserts the pipeline `T` in to [`Storage`].
-    pub fn store<T: 'static>(&mut self, pipeline: T) {
-        let _ = self.pipelines.insert(TypeId::of::<T>(), Box::new(pipeline));
-    }
-
-    /// Returns a reference to pipeline with type `T` if it exists in [`Storage`].
-    pub fn get<T: 'static>(&self) -> Option<&T> {
-        self.pipelines.get(&TypeId::of::<T>()).map(|pipeline| {
-            pipeline
-                .downcast_ref::<T>()
-                .expect("Pipeline with this type does not exist in Storage.")
-        })
-    }
-
-    /// Returns a mutable reference to pipeline `T` if it exists in [`Storage`].
-    pub fn get_mut<T: 'static>(&mut self) -> Option<&mut T> {
-        self.pipelines.get_mut(&TypeId::of::<T>()).map(|pipeline| {
-            pipeline
-                .downcast_mut::<T>()
-                .expect("Pipeline with this type does not exist in Storage.")
-        })
-    }
-}
-
-/// A set of methods which allows a [`Primitive`] to be rendered.
-pub trait Primitive: Debug + Send + Sync + 'static {
-    /// Processes the [`Primitive`], allowing for GPU buffer allocation.
-    fn prepare(
-        &self,
-        format: wgpu::TextureFormat,
-        device: &wgpu::Device,
-        queue: &wgpu::Queue,
-        target_size: Size<u32>,
-        scale_factor: f32,
-        transform: Transformation,
-        storage: &mut Storage,
-    );
-
-    /// Renders the [`Primitive`].
-    fn render(
-        &self,
-        storage: &Storage,
-        bounds: Rectangle<u32>,
-        target: &wgpu::TextureView,
-        target_size: Size<u32>,
-        encoder: &mut wgpu::CommandEncoder,
-    );
-}