Merge pull request #1748 from iced-rs/feature/software-renderer

Software renderer, runtime renderer fallback, and core consolidation

1 files changed, 23 insertions, 36 deletions

diff --git a/graphics/src/widget/canvas/cache.rs b/renderer/src/geometry/cache.rs
index 52217bbb..2a3534d0 100644
--- a/graphics/src/widget/canvas/cache.rs
+++ b/renderer/src/geometry/cache.rs
@@ -1,22 +1,11 @@
-use crate::widget::canvas::{Frame, Geometry};
-use crate::Primitive;
+use crate::core::Size;
+use crate::geometry::{Frame, Geometry};
+use crate::graphics::Primitive;
+use crate::Renderer;
 
-use iced_native::Size;
-use std::{cell::RefCell, sync::Arc};
+use std::cell::RefCell;
+use std::sync::Arc;
 
-enum State {
-    Empty,
-    Filled {
-        bounds: Size,
-        primitive: Arc<Primitive>,
-    },
-}
-
-impl Default for State {
-    fn default() -> Self {
-        State::Empty
-    }
-}
 /// A simple cache that stores generated [`Geometry`] to avoid recomputation.
 ///
 /// A [`Cache`] will not redraw its geometry unless the dimensions of its layer
@@ -26,6 +15,16 @@ pub struct Cache {
     state: RefCell<State>,
 }
 
+#[derive(Debug, Default)]
+enum State {
+    #[default]
+    Empty,
+    Filled {
+        bounds: Size,
+        primitive: Arc<Primitive>,
+    },
+}
+
 impl Cache {
     /// Creates a new empty [`Cache`].
     pub fn new() -> Self {
@@ -49,8 +48,9 @@ impl Cache {
     /// Otherwise, the previously stored [`Geometry`] will be returned. The
     /// [`Cache`] is not cleared in this case. In other words, it will keep
     /// returning the stored [`Geometry`] if needed.
-    pub fn draw(
+    pub fn draw<Theme>(
         &self,
+        renderer: &Renderer<Theme>,
         bounds: Size,
         draw_fn: impl FnOnce(&mut Frame),
     ) -> Geometry {
@@ -62,19 +62,19 @@ impl Cache {
         } = self.state.borrow().deref()
         {
             if *cached_bounds == bounds {
-                return Geometry::from_primitive(Primitive::Cached {
-                    cache: primitive.clone(),
+                return Geometry(Primitive::Cache {
+                    content: primitive.clone(),
                 });
             }
         }
 
-        let mut frame = Frame::new(bounds);
+        let mut frame = Frame::new(renderer, bounds);
         draw_fn(&mut frame);
 
         let primitive = {
             let geometry = frame.into_geometry();
 
-            Arc::new(geometry.into_primitive())
+            Arc::new(geometry.0)
         };
 
         *self.state.borrow_mut() = State::Filled {
@@ -82,19 +82,6 @@ impl Cache {
             primitive: primitive.clone(),
         };
 
-        Geometry::from_primitive(Primitive::Cached { cache: primitive })
-    }
-}
-
-impl std::fmt::Debug for State {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        match self {
-            State::Empty => write!(f, "Empty"),
-            State::Filled { primitive, bounds } => f
-                .debug_struct("Filled")
-                .field("primitive", primitive)
-                .field("bounds", bounds)
-                .finish(),
-        }
+        Geometry(Primitive::Cache { content: primitive })
     }
 }