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

Software renderer, runtime renderer fallback, and core consolidation

23 files changed, 629 insertions, 423 deletions

diff --git a/wgpu/Cargo.toml b/wgpu/Cargo.toml
index 9e80a76d..6a313d4f 100644
--- a/wgpu/Cargo.toml
+++ b/wgpu/Cargo.toml
@@ -8,23 +8,9 @@ license = "MIT AND OFL-1.1"
 repository = "https://github.com/iced-rs/iced"
 
 [features]
-svg = ["iced_graphics/svg"]
+geometry = ["iced_graphics/geometry", "lyon"]
 image = ["iced_graphics/image"]
-png = ["iced_graphics/png"]
-jpeg = ["iced_graphics/jpeg"]
-jpeg_rayon = ["iced_graphics/jpeg_rayon"]
-gif = ["iced_graphics/gif"]
-webp = ["iced_graphics/webp"]
-pnm = ["iced_graphics/pnm"]
-ico = ["iced_graphics/ico"]
-bmp = ["iced_graphics/bmp"]
-hdr = ["iced_graphics/hdr"]
-dds = ["iced_graphics/dds"]
-farbfeld = ["iced_graphics/farbfeld"]
-canvas = ["iced_graphics/canvas"]
-qr_code = ["iced_graphics/qr_code"]
-spirv = ["wgpu/spirv"]
-webgl = ["wgpu/webgl"]
+svg = ["resvg"]
 
 [dependencies]
 wgpu = "0.14"
@@ -37,6 +23,9 @@ once_cell = "1.0"
 rustc-hash = "1.1"
 ouroboros = "0.15"
 
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+wgpu = { version = "0.14", features = ["webgl"] }
+
 [dependencies.twox-hash]
 version = "1.6"
 default-features = false
@@ -49,10 +38,6 @@ features = ["std"]
 version = "1.9"
 features = ["derive"]
 
-[dependencies.iced_native]
-version = "0.9"
-path = "../native"
-
 [dependencies.iced_graphics]
 version = "0.7"
 path = "../graphics"
@@ -60,11 +45,7 @@ path = "../graphics"
 [dependencies.glyphon]
 version = "0.2"
 git = "https://github.com/hecrj/glyphon.git"
-rev = "810bc979f9005e2bd343b72b980e57e46174283f"
-
-[dependencies.tracing]
-version = "0.1.6"
-optional = true
+rev = "edd23695ad53db5f89d455c3c130172fd107d6a2"
 
 [dependencies.encase]
 version = "0.3.0"
@@ -73,6 +54,18 @@ features = ["glam"]
 [dependencies.glam]
 version = "0.21.3"
 
+[dependencies.lyon]
+version = "1.0"
+optional = true
+
+[dependencies.resvg]
+version = "0.29"
+optional = true
+
+[dependencies.tracing]
+version = "0.1.6"
+optional = true
+
 [package.metadata.docs.rs]
 rustdoc-args = ["--cfg", "docsrs"]
 all-features = true
diff --git a/wgpu/src/backend.rs b/wgpu/src/backend.rs
index e650d9a5..88c58554 100644
--- a/wgpu/src/backend.rs
+++ b/wgpu/src/backend.rs
@@ -1,11 +1,11 @@
+use crate::core;
+use crate::core::{Color, Font, Point, Size};
+use crate::graphics::backend;
+use crate::graphics::{Primitive, Transformation, Viewport};
 use crate::quad;
 use crate::text;
 use crate::triangle;
-use crate::{Settings, Transformation};
-
-use iced_graphics::backend;
-use iced_graphics::layer::Layer;
-use iced_graphics::{Color, Font, Primitive, Size, Viewport};
+use crate::{Layer, Settings};
 
 #[cfg(feature = "tracing")]
 use tracing::info_span;
@@ -119,7 +119,7 @@ impl Backend {
         self.triangle_pipeline.end_frame();
 
         #[cfg(any(feature = "image", feature = "svg"))]
-        self.image_pipeline.end_frame(device, queue, encoder);
+        self.image_pipeline.end_frame();
     }
 
     fn prepare_text(
@@ -364,9 +364,9 @@ impl backend::Text for Backend {
         size: f32,
         font: Font,
         bounds: Size,
-        point: iced_native::Point,
+        point: Point,
         nearest_only: bool,
-    ) -> Option<text::Hit> {
+    ) -> Option<core::text::Hit> {
         self.text_pipeline.hit_test(
             contents,
             size,
@@ -384,17 +384,14 @@ impl backend::Text for Backend {
 
 #[cfg(feature = "image")]
 impl backend::Image for Backend {
-    fn dimensions(&self, handle: &iced_native::image::Handle) -> Size<u32> {
+    fn dimensions(&self, handle: &core::image::Handle) -> Size<u32> {
         self.image_pipeline.dimensions(handle)
     }
 }
 
 #[cfg(feature = "svg")]
 impl backend::Svg for Backend {
-    fn viewport_dimensions(
-        &self,
-        handle: &iced_native::svg::Handle,
-    ) -> Size<u32> {
+    fn viewport_dimensions(&self, handle: &core::svg::Handle) -> Size<u32> {
         self.image_pipeline.viewport_dimensions(handle)
     }
 }
diff --git a/graphics/src/widget/canvas/frame.rs b/wgpu/src/geometry.rs
index d68548ae..59ec31fe 100644
--- a/graphics/src/widget/canvas/frame.rs
+++ b/wgpu/src/geometry.rs
@@ -1,9 +1,9 @@
-use crate::gradient::Gradient;
-use crate::triangle;
-use crate::widget::canvas::{path, Fill, Geometry, Path, Stroke, Style, Text};
-use crate::Primitive;
-
-use iced_native::{Point, Rectangle, Size, Vector};
+use crate::core::{Gradient, Point, Rectangle, Size, Vector};
+use crate::graphics::geometry::fill::{self, Fill};
+use crate::graphics::geometry::{
+    LineCap, LineDash, LineJoin, Path, Stroke, Style, Text,
+};
+use crate::graphics::primitive::{self, Primitive};
 
 use lyon::geom::euclid;
 use lyon::tessellation;
@@ -23,9 +23,9 @@ pub struct Frame {
 }
 
 enum Buffer {
-    Solid(tessellation::VertexBuffers<triangle::ColoredVertex2D, u32>),
+    Solid(tessellation::VertexBuffers<primitive::ColoredVertex2D, u32>),
     Gradient(
-        tessellation::VertexBuffers<triangle::Vertex2D, u32>,
+        tessellation::VertexBuffers<primitive::Vertex2D, u32>,
         Gradient,
     ),
 }
@@ -196,8 +196,8 @@ impl Frame {
             .buffers
             .get_fill(&self.transforms.current.transform_style(style));
 
-        let options =
-            tessellation::FillOptions::default().with_fill_rule(rule.into());
+        let options = tessellation::FillOptions::default()
+            .with_fill_rule(into_fill_rule(rule));
 
         if self.transforms.current.is_identity {
             self.fill_tessellator.tessellate_path(
@@ -206,7 +206,7 @@ impl Frame {
                 buffer.as_mut(),
             )
         } else {
-            let path = path.transformed(&self.transforms.current.raw);
+            let path = path.transform(&self.transforms.current.raw);
 
             self.fill_tessellator.tessellate_path(
                 path.raw(),
@@ -241,8 +241,8 @@ impl Frame {
                 lyon::math::Vector::new(size.width, size.height),
             );
 
-        let options =
-            tessellation::FillOptions::default().with_fill_rule(rule.into());
+        let options = tessellation::FillOptions::default()
+            .with_fill_rule(into_fill_rule(rule));
 
         self.fill_tessellator
             .tessellate_rectangle(
@@ -264,14 +264,14 @@ impl Frame {
 
         let mut options = tessellation::StrokeOptions::default();
         options.line_width = stroke.width;
-        options.start_cap = stroke.line_cap.into();
-        options.end_cap = stroke.line_cap.into();
-        options.line_join = stroke.line_join.into();
+        options.start_cap = into_line_cap(stroke.line_cap);
+        options.end_cap = into_line_cap(stroke.line_cap);
+        options.line_join = into_line_join(stroke.line_join);
 
         let path = if stroke.line_dash.segments.is_empty() {
             Cow::Borrowed(path)
         } else {
-            Cow::Owned(path::dashed(path, stroke.line_dash))
+            Cow::Owned(dashed(path, stroke.line_dash))
         };
 
         if self.transforms.current.is_identity {
@@ -281,7 +281,7 @@ impl Frame {
                 buffer.as_mut(),
             )
         } else {
-            let path = path.transformed(&self.transforms.current.raw);
+            let path = path.transform(&self.transforms.current.raw);
 
             self.stroke_tessellator.tessellate_path(
                 path.raw(),
@@ -344,10 +344,18 @@ impl Frame {
     /// operations in different coordinate systems.
     #[inline]
     pub fn with_save(&mut self, f: impl FnOnce(&mut Frame)) {
-        self.transforms.previous.push(self.transforms.current);
+        self.push_transform();
 
         f(self);
 
+        self.pop_transform();
+    }
+
+    pub fn push_transform(&mut self) {
+        self.transforms.previous.push(self.transforms.current);
+    }
+
+    pub fn pop_transform(&mut self) {
         self.transforms.current = self.transforms.previous.pop().unwrap();
     }
 
@@ -363,14 +371,19 @@ impl Frame {
 
         f(&mut frame);
 
+        let translation = Vector::new(region.x, region.y);
+
+        self.clip(frame, translation);
+    }
+
+    pub fn clip(&mut self, frame: Frame, translation: Vector) {
+        let size = frame.size();
         let primitives = frame.into_primitives();
 
         let (text, meshes) = primitives
             .into_iter()
             .partition(|primitive| matches!(primitive, Primitive::Text { .. }));
 
-        let translation = Vector::new(region.x, region.y);
-
         self.primitives.push(Primitive::Group {
             primitives: vec![
                 Primitive::Translate {
@@ -380,7 +393,7 @@ impl Frame {
                 Primitive::Translate {
                     translation,
                     content: Box::new(Primitive::Clip {
-                        bounds: Rectangle::with_size(region.size()),
+                        bounds: Rectangle::with_size(size),
                         content: Box::new(Primitive::Group {
                             primitives: text,
                         }),
@@ -423,11 +436,11 @@ impl Frame {
         self.transforms.current.is_identity = false;
     }
 
-    /// Produces the [`Geometry`] representing everything drawn on the [`Frame`].
-    pub fn into_geometry(self) -> Geometry {
-        Geometry::from_primitive(Primitive::Group {
+    /// Produces the [`Primitive`] representing everything drawn on the [`Frame`].
+    pub fn into_primitive(self) -> Primitive {
+        Primitive::Group {
             primitives: self.into_primitives(),
-        })
+        }
     }
 
     fn into_primitives(mut self) -> Vec<Primitive> {
@@ -436,7 +449,7 @@ impl Frame {
                 Buffer::Solid(buffer) => {
                     if !buffer.indices.is_empty() {
                         self.primitives.push(Primitive::SolidMesh {
-                            buffers: triangle::Mesh2D {
+                            buffers: primitive::Mesh2D {
                                 vertices: buffer.vertices,
                                 indices: buffer.indices,
                             },
@@ -447,7 +460,7 @@ impl Frame {
                 Buffer::Gradient(buffer, gradient) => {
                     if !buffer.indices.is_empty() {
                         self.primitives.push(Primitive::GradientMesh {
-                            buffers: triangle::Mesh2D {
+                            buffers: primitive::Mesh2D {
                                 vertices: buffer.vertices,
                                 indices: buffer.indices,
                             },
@@ -465,31 +478,31 @@ impl Frame {
 
 struct Vertex2DBuilder;
 
-impl tessellation::FillVertexConstructor<triangle::Vertex2D>
+impl tessellation::FillVertexConstructor<primitive::Vertex2D>
     for Vertex2DBuilder
 {
     fn new_vertex(
         &mut self,
         vertex: tessellation::FillVertex<'_>,
-    ) -> triangle::Vertex2D {
+    ) -> primitive::Vertex2D {
         let position = vertex.position();
 
-        triangle::Vertex2D {
+        primitive::Vertex2D {
             position: [position.x, position.y],
         }
     }
 }
 
-impl tessellation::StrokeVertexConstructor<triangle::Vertex2D>
+impl tessellation::StrokeVertexConstructor<primitive::Vertex2D>
     for Vertex2DBuilder
 {
     fn new_vertex(
         &mut self,
         vertex: tessellation::StrokeVertex<'_, '_>,
-    ) -> triangle::Vertex2D {
+    ) -> primitive::Vertex2D {
         let position = vertex.position();
 
-        triangle::Vertex2D {
+        primitive::Vertex2D {
             position: [position.x, position.y],
         }
     }
@@ -497,34 +510,99 @@ impl tessellation::StrokeVertexConstructor<triangle::Vertex2D>
 
 struct TriangleVertex2DBuilder([f32; 4]);
 
-impl tessellation::FillVertexConstructor<triangle::ColoredVertex2D>
+impl tessellation::FillVertexConstructor<primitive::ColoredVertex2D>
     for TriangleVertex2DBuilder
 {
     fn new_vertex(
         &mut self,
         vertex: tessellation::FillVertex<'_>,
-    ) -> triangle::ColoredVertex2D {
+    ) -> primitive::ColoredVertex2D {
         let position = vertex.position();
 
-        triangle::ColoredVertex2D {
+        primitive::ColoredVertex2D {
             position: [position.x, position.y],
             color: self.0,
         }
     }
 }
 
-impl tessellation::StrokeVertexConstructor<triangle::ColoredVertex2D>
+impl tessellation::StrokeVertexConstructor<primitive::ColoredVertex2D>
     for TriangleVertex2DBuilder
 {
     fn new_vertex(
         &mut self,
         vertex: tessellation::StrokeVertex<'_, '_>,
-    ) -> triangle::ColoredVertex2D {
+    ) -> primitive::ColoredVertex2D {
         let position = vertex.position();
 
-        triangle::ColoredVertex2D {
+        primitive::ColoredVertex2D {
             position: [position.x, position.y],
             color: self.0,
         }
     }
 }
+
+fn into_line_join(line_join: LineJoin) -> lyon::tessellation::LineJoin {
+    match line_join {
+        LineJoin::Miter => lyon::tessellation::LineJoin::Miter,
+        LineJoin::Round => lyon::tessellation::LineJoin::Round,
+        LineJoin::Bevel => lyon::tessellation::LineJoin::Bevel,
+    }
+}
+
+fn into_line_cap(line_cap: LineCap) -> lyon::tessellation::LineCap {
+    match line_cap {
+        LineCap::Butt => lyon::tessellation::LineCap::Butt,
+        LineCap::Square => lyon::tessellation::LineCap::Square,
+        LineCap::Round => lyon::tessellation::LineCap::Round,
+    }
+}
+
+fn into_fill_rule(rule: fill::Rule) -> lyon::tessellation::FillRule {
+    match rule {
+        fill::Rule::NonZero => lyon::tessellation::FillRule::NonZero,
+        fill::Rule::EvenOdd => lyon::tessellation::FillRule::EvenOdd,
+    }
+}
+
+pub(super) fn dashed(path: &Path, line_dash: LineDash<'_>) -> Path {
+    use lyon::algorithms::walk::{
+        walk_along_path, RepeatedPattern, WalkerEvent,
+    };
+    use lyon::path::iterator::PathIterator;
+
+    Path::new(|builder| {
+        let segments_odd = (line_dash.segments.len() % 2 == 1)
+            .then(|| [line_dash.segments, line_dash.segments].concat());
+
+        let mut draw_line = false;
+
+        walk_along_path(
+            path.raw().iter().flattened(0.01),
+            0.0,
+            lyon::tessellation::StrokeOptions::DEFAULT_TOLERANCE,
+            &mut RepeatedPattern {
+                callback: |event: WalkerEvent<'_>| {
+                    let point = Point {
+                        x: event.position.x,
+                        y: event.position.y,
+                    };
+
+                    if draw_line {
+                        builder.line_to(point);
+                    } else {
+                        builder.move_to(point);
+                    }
+
+                    draw_line = !draw_line;
+
+                    true
+                },
+                index: line_dash.offset,
+                intervals: segments_odd
+                    .as_deref()
+                    .unwrap_or(line_dash.segments),
+            },
+        );
+    })
+}
diff --git a/wgpu/src/image.rs b/wgpu/src/image.rs
index db05d2ff..4163e338 100644
--- a/wgpu/src/image.rs
+++ b/wgpu/src/image.rs
@@ -1,16 +1,17 @@
 mod atlas;
 
 #[cfg(feature = "image")]
-use iced_graphics::image::raster;
+mod raster;
 
 #[cfg(feature = "svg")]
-use iced_graphics::image::vector;
+mod vector;
 
-use crate::{Buffer, Transformation};
 use atlas::Atlas;
 
-use iced_graphics::layer;
-use iced_native::{Rectangle, Size};
+use crate::core::{Rectangle, Size};
+use crate::graphics::Transformation;
+use crate::layer;
+use crate::Buffer;
 
 use std::cell::RefCell;
 use std::mem;
@@ -18,10 +19,10 @@ use std::mem;
 use bytemuck::{Pod, Zeroable};
 
 #[cfg(feature = "image")]
-use iced_native::image;
+use crate::core::image;
 
 #[cfg(feature = "svg")]
-use iced_native::svg;
+use crate::core::svg;
 
 #[cfg(feature = "tracing")]
 use tracing::info_span;
@@ -29,9 +30,9 @@ use tracing::info_span;
 #[derive(Debug)]
 pub struct Pipeline {
     #[cfg(feature = "image")]
-    raster_cache: RefCell<raster::Cache<Atlas>>,
+    raster_cache: RefCell<raster::Cache>,
     #[cfg(feature = "svg")]
-    vector_cache: RefCell<vector::Cache<Atlas>>,
+    vector_cache: RefCell<vector::Cache>,
 
     pipeline: wgpu::RenderPipeline,
     vertices: wgpu::Buffer,
@@ -367,8 +368,10 @@ impl Pipeline {
                 #[cfg(feature = "image")]
                 layer::Image::Raster { handle, bounds } => {
                     if let Some(atlas_entry) = raster_cache.upload(
+                        device,
+                        queue,
+                        encoder,
                         handle,
-                        &mut (device, queue, encoder),
                         &mut self.texture_atlas,
                     ) {
                         add_instances(
@@ -391,11 +394,13 @@ impl Pipeline {
                     let size = [bounds.width, bounds.height];
 
                     if let Some(atlas_entry) = vector_cache.upload(
+                        device,
+                        queue,
+                        encoder,
                         handle,
                         *color,
                         size,
                         _scale,
-                        &mut (device, queue, encoder),
                         &mut self.texture_atlas,
                     ) {
                         add_instances(
@@ -476,21 +481,12 @@ impl Pipeline {
         }
     }
 
-    pub fn end_frame(
-        &mut self,
-        device: &wgpu::Device,
-        queue: &wgpu::Queue,
-        encoder: &mut wgpu::CommandEncoder,
-    ) {
+    pub fn end_frame(&mut self) {
         #[cfg(feature = "image")]
-        self.raster_cache
-            .borrow_mut()
-            .trim(&mut self.texture_atlas, &mut (device, queue, encoder));
+        self.raster_cache.borrow_mut().trim(&mut self.texture_atlas);
 
         #[cfg(feature = "svg")]
-        self.vector_cache
-            .borrow_mut()
-            .trim(&mut self.texture_atlas, &mut (device, queue, encoder));
+        self.vector_cache.borrow_mut().trim(&mut self.texture_atlas);
 
         self.prepare_layer = 0;
     }
diff --git a/wgpu/src/image/atlas.rs b/wgpu/src/image/atlas.rs
index 7df67abd..c00b8cef 100644
--- a/wgpu/src/image/atlas.rs
+++ b/wgpu/src/image/atlas.rs
@@ -12,8 +12,7 @@ use allocator::Allocator;
 
 pub const SIZE: u32 = 2048;
 
-use iced_graphics::image;
-use iced_graphics::Size;
+use crate::core::Size;
 
 use std::num::NonZeroU32;
 
@@ -64,6 +63,97 @@ impl Atlas {
         self.layers.len()
     }
 
+    pub fn upload(
+        &mut self,
+        device: &wgpu::Device,
+        queue: &wgpu::Queue,
+        encoder: &mut wgpu::CommandEncoder,
+        width: u32,
+        height: u32,
+        data: &[u8],
+    ) -> Option<Entry> {
+        let entry = {
+            let current_size = self.layers.len();
+            let entry = self.allocate(width, height)?;
+
+            // We grow the internal texture after allocating if necessary
+            let new_layers = self.layers.len() - current_size;
+            self.grow(new_layers, device, encoder);
+
+            entry
+        };
+
+        log::info!("Allocated atlas entry: {:?}", entry);
+
+        // It is a webgpu requirement that:
+        //   BufferCopyView.layout.bytes_per_row % wgpu::COPY_BYTES_PER_ROW_ALIGNMENT == 0
+        // So we calculate padded_width by rounding width up to the next
+        // multiple of wgpu::COPY_BYTES_PER_ROW_ALIGNMENT.
+        let align = wgpu::COPY_BYTES_PER_ROW_ALIGNMENT;
+        let padding = (align - (4 * width) % align) % align;
+        let padded_width = (4 * width + padding) as usize;
+        let padded_data_size = padded_width * height as usize;
+
+        let mut padded_data = vec![0; padded_data_size];
+
+        for row in 0..height as usize {
+            let offset = row * padded_width;
+
+            padded_data[offset..offset + 4 * width as usize].copy_from_slice(
+                &data[row * 4 * width as usize..(row + 1) * 4 * width as usize],
+            )
+        }
+
+        match &entry {
+            Entry::Contiguous(allocation) => {
+                self.upload_allocation(
+                    &padded_data,
+                    width,
+                    height,
+                    padding,
+                    0,
+                    allocation,
+                    queue,
+                );
+            }
+            Entry::Fragmented { fragments, .. } => {
+                for fragment in fragments {
+                    let (x, y) = fragment.position;
+                    let offset = (y * padded_width as u32 + 4 * x) as usize;
+
+                    self.upload_allocation(
+                        &padded_data,
+                        width,
+                        height,
+                        padding,
+                        offset,
+                        &fragment.allocation,
+                        queue,
+                    );
+                }
+            }
+        }
+
+        log::info!("Current atlas: {:?}", self);
+
+        Some(entry)
+    }
+
+    pub fn remove(&mut self, entry: &Entry) {
+        log::info!("Removing atlas entry: {:?}", entry);
+
+        match entry {
+            Entry::Contiguous(allocation) => {
+                self.deallocate(allocation);
+            }
+            Entry::Fragmented { fragments, .. } => {
+                for fragment in fragments {
+                    self.deallocate(&fragment.allocation);
+                }
+            }
+        }
+    }
+
     fn allocate(&mut self, width: u32, height: u32) -> Option<Entry> {
         // Allocate one layer if texture fits perfectly
         if width == SIZE && height == SIZE {
@@ -296,101 +386,3 @@ impl Atlas {
             });
     }
 }
-
-impl image::Storage for Atlas {
-    type Entry = Entry;
-    type State<'a> = (
-        &'a wgpu::Device,
-        &'a wgpu::Queue,
-        &'a mut wgpu::CommandEncoder,
-    );
-
-    fn upload(
-        &mut self,
-        width: u32,
-        height: u32,
-        data: &[u8],
-        (device, queue, encoder): &mut Self::State<'_>,
-    ) -> Option<Self::Entry> {
-        let entry = {
-            let current_size = self.layers.len();
-            let entry = self.allocate(width, height)?;
-
-            // We grow the internal texture after allocating if necessary
-            let new_layers = self.layers.len() - current_size;
-            self.grow(new_layers, device, encoder);
-
-            entry
-        };
-
-        log::info!("Allocated atlas entry: {:?}", entry);
-
-        // It is a webgpu requirement that:
-        //   BufferCopyView.layout.bytes_per_row % wgpu::COPY_BYTES_PER_ROW_ALIGNMENT == 0
-        // So we calculate padded_width by rounding width up to the next
-        // multiple of wgpu::COPY_BYTES_PER_ROW_ALIGNMENT.
-        let align = wgpu::COPY_BYTES_PER_ROW_ALIGNMENT;
-        let padding = (align - (4 * width) % align) % align;
-        let padded_width = (4 * width + padding) as usize;
-        let padded_data_size = padded_width * height as usize;
-
-        let mut padded_data = vec![0; padded_data_size];
-
-        for row in 0..height as usize {
-            let offset = row * padded_width;
-
-            padded_data[offset..offset + 4 * width as usize].copy_from_slice(
-                &data[row * 4 * width as usize..(row + 1) * 4 * width as usize],
-            )
-        }
-
-        match &entry {
-            Entry::Contiguous(allocation) => {
-                self.upload_allocation(
-                    &padded_data,
-                    width,
-                    height,
-                    padding,
-                    0,
-                    allocation,
-                    queue,
-                );
-            }
-            Entry::Fragmented { fragments, .. } => {
-                for fragment in fragments {
-                    let (x, y) = fragment.position;
-                    let offset = (y * padded_width as u32 + 4 * x) as usize;
-
-                    self.upload_allocation(
-                        &padded_data,
-                        width,
-                        height,
-                        padding,
-                        offset,
-                        &fragment.allocation,
-                        queue,
-                    );
-                }
-            }
-        }
-
-        log::info!("Current atlas: {:?}", self);
-
-        Some(entry)
-    }
-
-    fn remove(&mut self, entry: &Entry, _: &mut Self::State<'_>) {
-        log::info!("Removing atlas entry: {:?}", entry);
-
-        match entry {
-            Entry::Contiguous(allocation) => {
-                self.deallocate(allocation);
-            }
-            Entry::Fragmented { fragments, .. } => {
-                for fragment in fragments {
-                    self.deallocate(&fragment.allocation);
-                }
-            }
-        }
-    }
-}
diff --git a/wgpu/src/image/atlas/allocation.rs b/wgpu/src/image/atlas/allocation.rs
index 43aba875..11289771 100644
--- a/wgpu/src/image/atlas/allocation.rs
+++ b/wgpu/src/image/atlas/allocation.rs
@@ -1,7 +1,6 @@
+use crate::core::Size;
 use crate::image::atlas::{self, allocator};
 
-use iced_graphics::Size;
-
 #[derive(Debug)]
 pub enum Allocation {
     Partial {
diff --git a/wgpu/src/image/atlas/allocator.rs b/wgpu/src/image/atlas/allocator.rs
index 03effdcb..204a5c26 100644
--- a/wgpu/src/image/atlas/allocator.rs
+++ b/wgpu/src/image/atlas/allocator.rs
@@ -46,10 +46,10 @@ impl Region {
         (rectangle.min.x as u32, rectangle.min.y as u32)
     }
 
-    pub fn size(&self) -> iced_graphics::Size<u32> {
+    pub fn size(&self) -> crate::core::Size<u32> {
         let size = self.allocation.rectangle.size();
 
-        iced_graphics::Size::new(size.width as u32, size.height as u32)
+        crate::core::Size::new(size.width as u32, size.height as u32)
     }
 }
 
diff --git a/wgpu/src/image/atlas/entry.rs b/wgpu/src/image/atlas/entry.rs
index 69c05a50..7e4c92a2 100644
--- a/wgpu/src/image/atlas/entry.rs
+++ b/wgpu/src/image/atlas/entry.rs
@@ -1,8 +1,6 @@
+use crate::core::Size;
 use crate::image::atlas;
 
-use iced_graphics::image;
-use iced_graphics::Size;
-
 #[derive(Debug)]
 pub enum Entry {
     Contiguous(atlas::Allocation),
@@ -12,8 +10,9 @@ pub enum Entry {
     },
 }
 
-impl image::storage::Entry for Entry {
-    fn size(&self) -> Size<u32> {
+impl Entry {
+    #[cfg(feature = "image")]
+    pub fn size(&self) -> Size<u32> {
         match self {
             Entry::Contiguous(allocation) => allocation.size(),
             Entry::Fragmented { size, .. } => *size,
diff --git a/wgpu/src/image/raster.rs b/wgpu/src/image/raster.rs
new file mode 100644
index 00000000..9b38dce4
--- /dev/null
+++ b/wgpu/src/image/raster.rs
@@ -0,0 +1,121 @@
+use crate::core::image;
+use crate::core::Size;
+use crate::graphics;
+use crate::graphics::image::image_rs;
+use crate::image::atlas::{self, Atlas};
+
+use std::collections::{HashMap, HashSet};
+
+/// Entry in cache corresponding to an image handle
+#[derive(Debug)]
+pub enum Memory {
+    /// Image data on host
+    Host(image_rs::ImageBuffer<image_rs::Rgba<u8>, Vec<u8>>),
+    /// Storage entry
+    Device(atlas::Entry),
+    /// Image not found
+    NotFound,
+    /// Invalid image data
+    Invalid,
+}
+
+impl Memory {
+    /// Width and height of image
+    pub fn dimensions(&self) -> Size<u32> {
+        match self {
+            Memory::Host(image) => {
+                let (width, height) = image.dimensions();
+
+                Size::new(width, height)
+            }
+            Memory::Device(entry) => entry.size(),
+            Memory::NotFound => Size::new(1, 1),
+            Memory::Invalid => Size::new(1, 1),
+        }
+    }
+}
+
+/// Caches image raster data
+#[derive(Debug, Default)]
+pub struct Cache {
+    map: HashMap<u64, Memory>,
+    hits: HashSet<u64>,
+}
+
+impl Cache {
+    /// Load image
+    pub fn load(&mut self, handle: &image::Handle) -> &mut Memory {
+        if self.contains(handle) {
+            return self.get(handle).unwrap();
+        }
+
+        let memory = match graphics::image::load(handle) {
+            Ok(image) => Memory::Host(image.to_rgba8()),
+            Err(image_rs::error::ImageError::IoError(_)) => Memory::NotFound,
+            Err(_) => Memory::Invalid,
+        };
+
+        self.insert(handle, memory);
+        self.get(handle).unwrap()
+    }
+
+    /// Load image and upload raster data
+    pub fn upload(
+        &mut self,
+        device: &wgpu::Device,
+        queue: &wgpu::Queue,
+        encoder: &mut wgpu::CommandEncoder,
+        handle: &image::Handle,
+        atlas: &mut Atlas,
+    ) -> Option<&atlas::Entry> {
+        let memory = self.load(handle);
+
+        if let Memory::Host(image) = memory {
+            let (width, height) = image.dimensions();
+
+            let entry =
+                atlas.upload(device, queue, encoder, width, height, image)?;
+
+            *memory = Memory::Device(entry);
+        }
+
+        if let Memory::Device(allocation) = memory {
+            Some(allocation)
+        } else {
+            None
+        }
+    }
+
+    /// Trim cache misses from cache
+    pub fn trim(&mut self, atlas: &mut Atlas) {
+        let hits = &self.hits;
+
+        self.map.retain(|k, memory| {
+            let retain = hits.contains(k);
+
+            if !retain {
+                if let Memory::Device(entry) = memory {
+                    atlas.remove(entry);
+                }
+            }
+
+            retain
+        });
+
+        self.hits.clear();
+    }
+
+    fn get(&mut self, handle: &image::Handle) -> Option<&mut Memory> {
+        let _ = self.hits.insert(handle.id());
+
+        self.map.get_mut(&handle.id())
+    }
+
+    fn insert(&mut self, handle: &image::Handle, memory: Memory) {
+        let _ = self.map.insert(handle.id(), memory);
+    }
+
+    fn contains(&self, handle: &image::Handle) -> bool {
+        self.map.contains_key(&handle.id())
+    }
+}
diff --git a/graphics/src/image/vector.rs b/wgpu/src/image/vector.rs
index 82d77aff..3624e46b 100644
--- a/graphics/src/image/vector.rs
+++ b/wgpu/src/image/vector.rs
@@ -1,10 +1,9 @@
-//! Vector image loading and caching
-use crate::image::Storage;
-use crate::Color;
-
-use iced_native::svg;
-use iced_native::Size;
+use crate::core::svg;
+use crate::core::{Color, Size};
+use crate::image::atlas::{self, Atlas};
 
+use resvg::tiny_skia;
+use resvg::usvg;
 use std::collections::{HashMap, HashSet};
 use std::fs;
 
@@ -21,7 +20,7 @@ impl Svg {
     pub fn viewport_dimensions(&self) -> Size<u32> {
         match self {
             Svg::Loaded(tree) => {
-                let size = tree.svg_node().size;
+                let size = tree.size;
 
                 Size::new(size.width() as u32, size.height() as u32)
             }
@@ -31,17 +30,17 @@ impl Svg {
 }
 
 /// Caches svg vector and raster data
-#[derive(Debug)]
-pub struct Cache<T: Storage> {
+#[derive(Debug, Default)]
+pub struct Cache {
     svgs: HashMap<u64, Svg>,
-    rasterized: HashMap<(u64, u32, u32, ColorFilter), T::Entry>,
+    rasterized: HashMap<(u64, u32, u32, ColorFilter), atlas::Entry>,
     svg_hits: HashSet<u64>,
     rasterized_hits: HashSet<(u64, u32, u32, ColorFilter)>,
 }
 
 type ColorFilter = Option<[u8; 4]>;
 
-impl<T: Storage> Cache<T> {
+impl Cache {
     /// Load svg
     pub fn load(&mut self, handle: &svg::Handle) -> &Svg {
         if self.svgs.contains_key(&handle.id()) {
@@ -51,20 +50,14 @@ impl<T: Storage> Cache<T> {
         let svg = match handle.data() {
             svg::Data::Path(path) => {
                 let tree = fs::read_to_string(path).ok().and_then(|contents| {
-                    usvg::Tree::from_str(
-                        &contents,
-                        &usvg::Options::default().to_ref(),
-                    )
-                    .ok()
+                    usvg::Tree::from_str(&contents, &usvg::Options::default())
+                        .ok()
                 });
 
                 tree.map(Svg::Loaded).unwrap_or(Svg::NotFound)
             }
             svg::Data::Bytes(bytes) => {
-                match usvg::Tree::from_data(
-                    bytes,
-                    &usvg::Options::default().to_ref(),
-                ) {
+                match usvg::Tree::from_data(bytes, &usvg::Options::default()) {
                     Ok(tree) => Svg::Loaded(tree),
                     Err(_) => Svg::NotFound,
                 }
@@ -78,13 +71,15 @@ impl<T: Storage> Cache<T> {
     /// Load svg and upload raster data
     pub fn upload(
         &mut self,
+        device: &wgpu::Device,
+        queue: &wgpu::Queue,
+        encoder: &mut wgpu::CommandEncoder,
         handle: &svg::Handle,
         color: Option<Color>,
         [width, height]: [f32; 2],
         scale: f32,
-        state: &mut T::State<'_>,
-        storage: &mut T,
-    ) -> Option<&T::Entry> {
+        atlas: &mut Atlas,
+    ) -> Option<&atlas::Entry> {
         let id = handle.id();
 
         let (width, height) = (
@@ -125,6 +120,7 @@ impl<T: Storage> Cache<T> {
                     } else {
                         usvg::FitTo::Height(height)
                     },
+                    tiny_skia::Transform::default(),
                     img.as_mut(),
                 )?;
 
@@ -140,7 +136,9 @@ impl<T: Storage> Cache<T> {
                     });
                 }
 
-                let allocation = storage.upload(width, height, &rgba, state)?;
+                let allocation = atlas
+                    .upload(device, queue, encoder, width, height, &rgba)?;
+
                 log::debug!("allocating {} {}x{}", id, width, height);
 
                 let _ = self.svg_hits.insert(id);
@@ -154,7 +152,7 @@ impl<T: Storage> Cache<T> {
     }
 
     /// Load svg and upload raster data
-    pub fn trim(&mut self, storage: &mut T, state: &mut T::State<'_>) {
+    pub fn trim(&mut self, atlas: &mut Atlas) {
         let svg_hits = &self.svg_hits;
         let rasterized_hits = &self.rasterized_hits;
 
@@ -163,7 +161,7 @@ impl<T: Storage> Cache<T> {
             let retain = rasterized_hits.contains(k);
 
             if !retain {
-                storage.remove(entry, state);
+                atlas.remove(entry);
             }
 
             retain
@@ -173,17 +171,6 @@ impl<T: Storage> Cache<T> {
     }
 }
 
-impl<T: Storage> Default for Cache<T> {
-    fn default() -> Self {
-        Self {
-            svgs: HashMap::new(),
-            rasterized: HashMap::new(),
-            svg_hits: HashSet::new(),
-            rasterized_hits: HashSet::new(),
-        }
-    }
-}
-
 impl std::fmt::Debug for Svg {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
diff --git a/graphics/src/layer.rs b/wgpu/src/layer.rs
index f6eb2fdd..cb9d5e2f 100644
--- a/graphics/src/layer.rs
+++ b/wgpu/src/layer.rs
@@ -10,11 +10,9 @@ pub use mesh::Mesh;
 pub use quad::Quad;
 pub use text::Text;
 
-use crate::alignment;
-use crate::{
-    Background, Color, Font, Point, Primitive, Rectangle, Size, Vector,
-    Viewport,
-};
+use crate::core::alignment;
+use crate::core::{Background, Color, Font, Point, Rectangle, Size, Vector};
+use crate::graphics::{Primitive, Viewport};
 
 /// A group of primitives that should be clipped together.
 #[derive(Debug)]
@@ -110,18 +108,6 @@ impl<'a> Layer<'a> {
         current_layer: usize,
     ) {
         match primitive {
-            Primitive::None => {}
-            Primitive::Group { primitives } => {
-                // TODO: Inspect a bit and regroup (?)
-                for primitive in primitives {
-                    Self::process_primitive(
-                        layers,
-                        translation,
-                        primitive,
-                        current_layer,
-                    )
-                }
-            }
             Primitive::Text {
                 content,
                 bounds,
@@ -167,6 +153,27 @@ impl<'a> Layer<'a> {
                     border_color: border_color.into_linear(),
                 });
             }
+            Primitive::Image { handle, bounds } => {
+                let layer = &mut layers[current_layer];
+
+                layer.images.push(Image::Raster {
+                    handle: handle.clone(),
+                    bounds: *bounds + translation,
+                });
+            }
+            Primitive::Svg {
+                handle,
+                color,
+                bounds,
+            } => {
+                let layer = &mut layers[current_layer];
+
+                layer.images.push(Image::Vector {
+                    handle: handle.clone(),
+                    color: *color,
+                    bounds: *bounds + translation,
+                });
+            }
             Primitive::SolidMesh { buffers, size } => {
                 let layer = &mut layers[current_layer];
 
@@ -206,6 +213,17 @@ impl<'a> Layer<'a> {
                     });
                 }
             }
+            Primitive::Group { primitives } => {
+                // TODO: Inspect a bit and regroup (?)
+                for primitive in primitives {
+                    Self::process_primitive(
+                        layers,
+                        translation,
+                        primitive,
+                        current_layer,
+                    )
+                }
+            }
             Primitive::Clip { bounds, content } => {
                 let layer = &mut layers[current_layer];
                 let translated_bounds = *bounds + translation;
@@ -236,34 +254,16 @@ impl<'a> Layer<'a> {
                     current_layer,
                 );
             }
-            Primitive::Cached { cache } => {
+            Primitive::Cache { content } => {
                 Self::process_primitive(
                     layers,
                     translation,
-                    cache,
+                    content,
                     current_layer,
                 );
             }
-            Primitive::Image { handle, bounds } => {
-                let layer = &mut layers[current_layer];
-
-                layer.images.push(Image::Raster {
-                    handle: handle.clone(),
-                    bounds: *bounds + translation,
-                });
-            }
-            Primitive::Svg {
-                handle,
-                color,
-                bounds,
-            } => {
-                let layer = &mut layers[current_layer];
-
-                layer.images.push(Image::Vector {
-                    handle: handle.clone(),
-                    color: *color,
-                    bounds: *bounds + translation,
-                });
+            _ => {
+                // Unsupported!
             }
         }
     }
diff --git a/graphics/src/layer/image.rs b/wgpu/src/layer/image.rs
index 3eff2397..0de589f8 100644
--- a/graphics/src/layer/image.rs
+++ b/wgpu/src/layer/image.rs
@@ -1,6 +1,6 @@
-use crate::{Color, Rectangle};
-
-use iced_native::{image, svg};
+use crate::core::image;
+use crate::core::svg;
+use crate::core::{Color, Rectangle};
 
 /// A raster or vector image.
 #[derive(Debug, Clone)]
diff --git a/graphics/src/layer/mesh.rs b/wgpu/src/layer/mesh.rs
index 7661c5c9..9dd14391 100644
--- a/graphics/src/layer/mesh.rs
+++ b/wgpu/src/layer/mesh.rs
@@ -1,6 +1,6 @@
 //! A collection of triangle primitives.
-use crate::triangle;
-use crate::{Gradient, Point, Rectangle};
+use crate::core::{Gradient, Point, Rectangle};
+use crate::graphics::primitive;
 
 /// A mesh of triangles.
 #[derive(Debug, Clone, Copy)]
@@ -11,7 +11,7 @@ pub enum Mesh<'a> {
         origin: Point,
 
         /// The vertex and index buffers of the [`Mesh`].
-        buffers: &'a triangle::Mesh2D<triangle::ColoredVertex2D>,
+        buffers: &'a primitive::Mesh2D<primitive::ColoredVertex2D>,
 
         /// The clipping bounds of the [`Mesh`].
         clip_bounds: Rectangle<f32>,
@@ -22,7 +22,7 @@ pub enum Mesh<'a> {
         origin: Point,
 
         /// The vertex and index buffers of the [`Mesh`].
-        buffers: &'a triangle::Mesh2D<triangle::Vertex2D>,
+        buffers: &'a primitive::Mesh2D<primitive::Vertex2D>,
 
         /// The clipping bounds of the [`Mesh`].
         clip_bounds: Rectangle<f32>,
diff --git a/graphics/src/layer/quad.rs b/wgpu/src/layer/quad.rs
index 0d8bde9d..0d8bde9d 100644
--- a/graphics/src/layer/quad.rs
+++ b/wgpu/src/layer/quad.rs
diff --git a/graphics/src/layer/text.rs b/wgpu/src/layer/text.rs
index 38d62616..fdbdaafb 100644
--- a/graphics/src/layer/text.rs
+++ b/wgpu/src/layer/text.rs
@@ -1,4 +1,5 @@
-use crate::{alignment, Color, Font, Rectangle};
+use crate::core::alignment;
+use crate::core::{Color, Font, Rectangle};
 
 /// A paragraph of text.
 #[derive(Debug, Clone, Copy)]
diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs
index 9da40572..473f3621 100644
--- a/wgpu/src/lib.rs
+++ b/wgpu/src/lib.rs
@@ -25,7 +25,7 @@
 )]
 #![deny(
     missing_debug_implementations,
-    missing_docs,
+    //missing_docs,
     unsafe_code,
     unused_results,
     clippy::extra_unused_lifetimes,
@@ -37,27 +37,29 @@
 #![forbid(rust_2018_idioms)]
 #![allow(clippy::inherent_to_string, clippy::type_complexity)]
 #![cfg_attr(docsrs, feature(doc_cfg))]
-
+pub mod layer;
 pub mod settings;
 pub mod window;
 
+#[cfg(feature = "geometry")]
+pub mod geometry;
+
 mod backend;
 mod buffer;
 mod quad;
 mod text;
 mod triangle;
 
-pub use iced_graphics::{
-    Antialiasing, Color, Error, Font, Primitive, Viewport,
-};
-pub use iced_native::Theme;
+pub use iced_graphics as graphics;
+pub use iced_graphics::core;
+
 pub use wgpu;
 
 pub use backend::Backend;
+pub use layer::Layer;
 pub use settings::Settings;
 
-use crate::buffer::Buffer;
-use iced_graphics::Transformation;
+use buffer::Buffer;
 
 #[cfg(any(feature = "image", feature = "svg"))]
 mod image;
@@ -66,5 +68,4 @@ mod image;
 ///
 /// [`wgpu`]: https://github.com/gfx-rs/wgpu-rs
 /// [`iced`]: https://github.com/iced-rs/iced
-pub type Renderer<Theme = iced_native::Theme> =
-    iced_graphics::Renderer<Backend, Theme>;
+pub type Renderer<Theme> = iced_graphics::Renderer<Backend, Theme>;
diff --git a/wgpu/src/quad.rs b/wgpu/src/quad.rs
index 246cc5e1..b55216d7 100644
--- a/wgpu/src/quad.rs
+++ b/wgpu/src/quad.rs
@@ -1,6 +1,7 @@
-use crate::{Buffer, Transformation};
-use iced_graphics::layer;
-use iced_native::Rectangle;
+use crate::core::Rectangle;
+use crate::graphics::Transformation;
+use crate::layer;
+use crate::Buffer;
 
 use bytemuck::{Pod, Zeroable};
 use std::mem;
diff --git a/wgpu/src/settings.rs b/wgpu/src/settings.rs
index bd9cf473..7c0750ef 100644
--- a/wgpu/src/settings.rs
+++ b/wgpu/src/settings.rs
@@ -1,7 +1,6 @@
 //! Configure a renderer.
-pub use crate::Antialiasing;
-
-use crate::Font;
+use crate::core::Font;
+use crate::graphics::Antialiasing;
 
 /// The settings of a [`Backend`].
 ///
diff --git a/wgpu/src/text.rs b/wgpu/src/text.rs
index 3839b31f..e99844e6 100644
--- a/wgpu/src/text.rs
+++ b/wgpu/src/text.rs
@@ -1,8 +1,7 @@
-pub use iced_native::text::Hit;
-
-use iced_graphics::layer::Text;
-use iced_native::alignment;
-use iced_native::{Font, Rectangle, Size};
+use crate::core::alignment;
+use crate::core::text::Hit;
+use crate::core::{Font, Point, Rectangle, Size};
+use crate::layer::Text;
 
 use rustc_hash::{FxHashMap, FxHashSet};
 use std::borrow::Cow;
@@ -275,9 +274,9 @@ impl Pipeline {
         &self,
         content: &str,
         size: f32,
-        font: iced_native::Font,
-        bounds: iced_native::Size,
-        point: iced_native::Point,
+        font: Font,
+        bounds: Size,
+        point: Point,
         _nearest_only: bool,
     ) -> Option<Hit> {
         self.system.as_ref().unwrap().with(|fields| {
diff --git a/wgpu/src/triangle.rs b/wgpu/src/triangle.rs
index 4b4fa16d..9fa521d7 100644
--- a/wgpu/src/triangle.rs
+++ b/wgpu/src/triangle.rs
@@ -2,12 +2,10 @@
 mod msaa;
 
 use crate::buffer::r#static::Buffer;
-use crate::settings;
-use crate::Transformation;
+use crate::core::{Gradient, Size};
+use crate::graphics::{Antialiasing, Transformation};
+use crate::layer::mesh::{self, Mesh};
 
-use iced_graphics::layer::mesh::{self, Mesh};
-use iced_graphics::triangle::ColoredVertex2D;
-use iced_graphics::Size;
 #[cfg(feature = "tracing")]
 use tracing::info_span;
 
@@ -137,7 +135,7 @@ impl Layer {
                     gradient_vertex_offset += written_bytes;
 
                     match gradient {
-                        iced_graphics::Gradient::Linear(linear) => {
+                        Gradient::Linear(linear) => {
                             use glam::{IVec4, Vec4};
 
                             let start_offset = self.gradient.color_stop_offset;
@@ -319,7 +317,7 @@ impl Pipeline {
     pub fn new(
         device: &wgpu::Device,
         format: wgpu::TextureFormat,
-        antialiasing: Option<settings::Antialiasing>,
+        antialiasing: Option<Antialiasing>,
     ) -> Pipeline {
         Pipeline {
             blit: antialiasing.map(|a| msaa::Blit::new(device, format, a)),
@@ -453,7 +451,7 @@ fn primitive_state() -> wgpu::PrimitiveState {
 }
 
 fn multisample_state(
-    antialiasing: Option<settings::Antialiasing>,
+    antialiasing: Option<Antialiasing>,
 ) -> wgpu::MultisampleState {
     wgpu::MultisampleState {
         count: antialiasing.map(|a| a.sample_count()).unwrap_or(1),
@@ -465,10 +463,11 @@ fn multisample_state(
 mod solid {
     use crate::buffer::dynamic;
     use crate::buffer::r#static::Buffer;
-    use crate::settings;
+    use crate::graphics::primitive;
+    use crate::graphics::{Antialiasing, Transformation};
     use crate::triangle;
+
     use encase::ShaderType;
-    use iced_graphics::Transformation;
 
     #[derive(Debug)]
     pub struct Pipeline {
@@ -478,7 +477,7 @@ mod solid {
 
     #[derive(Debug)]
     pub struct Layer {
-        pub vertices: Buffer<triangle::ColoredVertex2D>,
+        pub vertices: Buffer<primitive::ColoredVertex2D>,
         pub uniforms: dynamic::Buffer<Uniforms>,
         pub constants: wgpu::BindGroup,
     }
@@ -549,7 +548,7 @@ mod solid {
         pub fn new(
             device: &wgpu::Device,
             format: wgpu::TextureFormat,
-            antialiasing: Option<settings::Antialiasing>,
+            antialiasing: Option<Antialiasing>,
         ) -> Self {
             let constants_layout = device.create_bind_group_layout(
                 &wgpu::BindGroupLayoutDescriptor {
@@ -596,7 +595,7 @@ mod solid {
                         entry_point: "vs_main",
                         buffers: &[wgpu::VertexBufferLayout {
                             array_stride: std::mem::size_of::<
-                                triangle::ColoredVertex2D,
+                                primitive::ColoredVertex2D,
                             >()
                                 as u64,
                             step_mode: wgpu::VertexStepMode::Vertex,
@@ -632,12 +631,12 @@ mod solid {
 mod gradient {
     use crate::buffer::dynamic;
     use crate::buffer::r#static::Buffer;
-    use crate::settings;
+    use crate::graphics::Antialiasing;
     use crate::triangle;
 
     use encase::ShaderType;
     use glam::{IVec4, Vec4};
-    use iced_graphics::triangle::Vertex2D;
+    use iced_graphics::primitive;
 
     #[derive(Debug)]
     pub struct Pipeline {
@@ -647,7 +646,7 @@ mod gradient {
 
     #[derive(Debug)]
     pub struct Layer {
-        pub vertices: Buffer<Vertex2D>,
+        pub vertices: Buffer<primitive::Vertex2D>,
         pub uniforms: dynamic::Buffer<Uniforms>,
         pub storage: dynamic::Buffer<Storage>,
         pub constants: wgpu::BindGroup,
@@ -754,7 +753,7 @@ mod gradient {
         pub(super) fn new(
             device: &wgpu::Device,
             format: wgpu::TextureFormat,
-            antialiasing: Option<settings::Antialiasing>,
+            antialiasing: Option<Antialiasing>,
         ) -> Self {
             let constants_layout = device.create_bind_group_layout(
                 &wgpu::BindGroupLayoutDescriptor {
@@ -810,34 +809,38 @@ mod gradient {
                     ),
                 });
 
-            let pipeline = device.create_render_pipeline(
-                &wgpu::RenderPipelineDescriptor {
-                    label: Some("iced_wgpu::triangle::gradient pipeline"),
-                    layout: Some(&layout),
-                    vertex: wgpu::VertexState {
-                        module: &shader,
-                        entry_point: "vs_main",
-                        buffers: &[wgpu::VertexBufferLayout {
-                            array_stride: std::mem::size_of::<Vertex2D>()
-                                as u64,
-                            step_mode: wgpu::VertexStepMode::Vertex,
-                            attributes: &wgpu::vertex_attr_array!(
-                                // Position
-                                0 => Float32x2,
-                            ),
-                        }],
+            let pipeline =
+                device.create_render_pipeline(
+                    &wgpu::RenderPipelineDescriptor {
+                        label: Some("iced_wgpu::triangle::gradient pipeline"),
+                        layout: Some(&layout),
+                        vertex: wgpu::VertexState {
+                            module: &shader,
+                            entry_point: "vs_main",
+                            buffers: &[wgpu::VertexBufferLayout {
+                                array_stride: std::mem::size_of::<
+                                    primitive::Vertex2D,
+                                >(
+                                )
+                                    as u64,
+                                step_mode: wgpu::VertexStepMode::Vertex,
+                                attributes: &wgpu::vertex_attr_array!(
+                                    // Position
+                                    0 => Float32x2,
+                                ),
+                            }],
+                        },
+                        fragment: Some(wgpu::FragmentState {
+                            module: &shader,
+                            entry_point: "fs_main",
+                            targets: &[triangle::fragment_target(format)],
+                        }),
+                        primitive: triangle::primitive_state(),
+                        depth_stencil: None,
+                        multisample: triangle::multisample_state(antialiasing),
+                        multiview: None,
                     },
-                    fragment: Some(wgpu::FragmentState {
-                        module: &shader,
-                        entry_point: "fs_main",
-                        targets: &[triangle::fragment_target(format)],
-                    }),
-                    primitive: triangle::primitive_state(),
-                    depth_stencil: None,
-                    multisample: triangle::multisample_state(antialiasing),
-                    multiview: None,
-                },
-            );
+                );
 
             Self {
                 pipeline,
diff --git a/wgpu/src/triangle/msaa.rs b/wgpu/src/triangle/msaa.rs
index a3016ff8..7144125c 100644
--- a/wgpu/src/triangle/msaa.rs
+++ b/wgpu/src/triangle/msaa.rs
@@ -1,4 +1,4 @@
-use crate::settings;
+use crate::graphics;
 
 #[derive(Debug)]
 pub struct Blit {
@@ -14,7 +14,7 @@ impl Blit {
     pub fn new(
         device: &wgpu::Device,
         format: wgpu::TextureFormat,
-        antialiasing: settings::Antialiasing,
+        antialiasing: graphics::Antialiasing,
     ) -> Blit {
         let sampler = device.create_sampler(&wgpu::SamplerDescriptor {
             address_mode_u: wgpu::AddressMode::ClampToEdge,
diff --git a/wgpu/src/window.rs b/wgpu/src/window.rs
index aac5fb9e..9545a14e 100644
--- a/wgpu/src/window.rs
+++ b/wgpu/src/window.rs
@@ -1,4 +1,5 @@
 //! Display rendering results on windows.
-mod compositor;
+pub mod compositor;
 
 pub use compositor::Compositor;
+pub use wgpu::Surface;
diff --git a/wgpu/src/window/compositor.rs b/wgpu/src/window/compositor.rs
index 365cb603..a67ac3c0 100644
--- a/wgpu/src/window/compositor.rs
+++ b/wgpu/src/window/compositor.rs
@@ -1,9 +1,12 @@
-use crate::{Backend, Color, Error, Renderer, Settings, Viewport};
+//! Connect a window with a renderer.
+use crate::core::Color;
+use crate::graphics;
+use crate::graphics::compositor;
+use crate::graphics::{Error, Primitive, Viewport};
+use crate::{Backend, Renderer, Settings};
 
 use futures::stream::{self, StreamExt};
 
-use iced_graphics::compositor;
-use iced_native::futures;
 use raw_window_handle::{HasRawDisplayHandle, HasRawWindowHandle};
 
 use std::marker::PhantomData;
@@ -112,7 +115,78 @@ impl<Theme> Compositor<Theme> {
     }
 }
 
-impl<Theme> iced_graphics::window::Compositor for Compositor<Theme> {
+/// Creates a [`Compositor`] and its [`Backend`] for the given [`Settings`] and
+/// window.
+pub fn new<Theme, W: HasRawWindowHandle + HasRawDisplayHandle>(
+    settings: Settings,
+    compatible_window: Option<&W>,
+) -> Result<(Compositor<Theme>, Backend), Error> {
+    let compositor = futures::executor::block_on(Compositor::request(
+        settings,
+        compatible_window,
+    ))
+    .ok_or(Error::GraphicsAdapterNotFound)?;
+
+    let backend = compositor.create_backend();
+
+    Ok((compositor, backend))
+}
+
+/// Presents the given primitives with the given [`Compositor`] and [`Backend`].
+pub fn present<Theme, T: AsRef<str>>(
+    compositor: &mut Compositor<Theme>,
+    backend: &mut Backend,
+    surface: &mut wgpu::Surface,
+    primitives: &[Primitive],
+    viewport: &Viewport,
+    background_color: Color,
+    overlay: &[T],
+) -> Result<(), compositor::SurfaceError> {
+    match surface.get_current_texture() {
+        Ok(frame) => {
+            let mut encoder = compositor.device.create_command_encoder(
+                &wgpu::CommandEncoderDescriptor {
+                    label: Some("iced_wgpu encoder"),
+                },
+            );
+
+            let view = &frame
+                .texture
+                .create_view(&wgpu::TextureViewDescriptor::default());
+
+            backend.present(
+                &compositor.device,
+                &compositor.queue,
+                &mut encoder,
+                Some(background_color),
+                view,
+                primitives,
+                viewport,
+                overlay,
+            );
+
+            // Submit work
+            let _submission = compositor.queue.submit(Some(encoder.finish()));
+            frame.present();
+
+            Ok(())
+        }
+        Err(error) => match error {
+            wgpu::SurfaceError::Timeout => {
+                Err(compositor::SurfaceError::Timeout)
+            }
+            wgpu::SurfaceError::Outdated => {
+                Err(compositor::SurfaceError::Outdated)
+            }
+            wgpu::SurfaceError::Lost => Err(compositor::SurfaceError::Lost),
+            wgpu::SurfaceError::OutOfMemory => {
+                Err(compositor::SurfaceError::OutOfMemory)
+            }
+        },
+    }
+}
+
+impl<Theme> graphics::Compositor for Compositor<Theme> {
     type Settings = Settings;
     type Renderer = Renderer<Theme>;
     type Surface = wgpu::Surface;
@@ -121,13 +195,7 @@ impl<Theme> iced_graphics::window::Compositor for Compositor<Theme> {
         settings: Self::Settings,
         compatible_window: Option<&W>,
     ) -> Result<(Self, Self::Renderer), Error> {
-        let compositor = futures::executor::block_on(Self::request(
-            settings,
-            compatible_window,
-        ))
-        .ok_or(Error::GraphicsAdapterNotFound)?;
-
-        let backend = compositor.create_backend();
+        let (compositor, backend) = new(settings, compatible_window)?;
 
         Ok((compositor, Renderer::new(backend)))
     }
@@ -135,11 +203,15 @@ impl<Theme> iced_graphics::window::Compositor for Compositor<Theme> {
     fn create_surface<W: HasRawWindowHandle + HasRawDisplayHandle>(
         &mut self,
         window: &W,
+        width: u32,
+        height: u32,
     ) -> wgpu::Surface {
         #[allow(unsafe_code)]
-        unsafe {
-            self.instance.create_surface(window)
-        }
+        let mut surface = unsafe { self.instance.create_surface(window) };
+
+        self.configure_surface(&mut surface, width, height);
+
+        surface
     }
 
     fn configure_surface(
@@ -178,49 +250,16 @@ impl<Theme> iced_graphics::window::Compositor for Compositor<Theme> {
         background_color: Color,
         overlay: &[T],
     ) -> Result<(), compositor::SurfaceError> {
-        match surface.get_current_texture() {
-            Ok(frame) => {
-                let mut encoder = self.device.create_command_encoder(
-                    &wgpu::CommandEncoderDescriptor {
-                        label: Some("iced_wgpu encoder"),
-                    },
-                );
-
-                let view = &frame
-                    .texture
-                    .create_view(&wgpu::TextureViewDescriptor::default());
-
-                renderer.with_primitives(|backend, primitives| {
-                    backend.present(
-                        &self.device,
-                        &self.queue,
-                        &mut encoder,
-                        Some(background_color),
-                        view,
-                        primitives,
-                        viewport,
-                        overlay,
-                    );
-                });
-
-                // Submit work
-                let _submission = self.queue.submit(Some(encoder.finish()));
-                frame.present();
-
-                Ok(())
-            }
-            Err(error) => match error {
-                wgpu::SurfaceError::Timeout => {
-                    Err(compositor::SurfaceError::Timeout)
-                }
-                wgpu::SurfaceError::Outdated => {
-                    Err(compositor::SurfaceError::Outdated)
-                }
-                wgpu::SurfaceError::Lost => Err(compositor::SurfaceError::Lost),
-                wgpu::SurfaceError::OutOfMemory => {
-                    Err(compositor::SurfaceError::OutOfMemory)
-                }
-            },
-        }
+        renderer.with_primitives(|backend, primitives| {
+            present(
+                self,
+                backend,
+                surface,
+                primitives,
+                viewport,
+                background_color,
+                overlay,
+            )
+        })
     }
 }