2 files changed, 99 insertions, 20 deletions

diff --git a/graphics/src/layer.rs b/graphics/src/layer.rs
index e95934b0..fd670f48 100644
--- a/graphics/src/layer.rs
+++ b/graphics/src/layer.rs
@@ -166,10 +166,27 @@ impl<'a> Layer<'a> {
                     border_color: border_color.into_linear(),
                 });
             }
-            Primitive::Mesh2D {
+            Primitive::SolidMesh { buffers, size } => {
+                let layer = &mut layers[current_layer];
+
+                let bounds = Rectangle::new(
+                    Point::new(translation.x, translation.y),
+                    *size,
+                );
+
+                // Only draw visible content
+                if let Some(clip_bounds) = layer.bounds.intersection(&bounds) {
+                    layer.meshes.push(Mesh::Solid {
+                        origin: Point::new(translation.x, translation.y),
+                        buffers,
+                        clip_bounds,
+                    });
+                }
+            }
+            Primitive::GradientMesh {
                 buffers,
                 size,
-                style,
+                gradient,
             } => {
                 let layer = &mut layers[current_layer];
 
@@ -180,11 +197,11 @@ impl<'a> Layer<'a> {
 
                 // Only draw visible content
                 if let Some(clip_bounds) = layer.bounds.intersection(&bounds) {
-                    layer.meshes.push(Mesh {
+                    layer.meshes.push(Mesh::Gradient {
                         origin: Point::new(translation.x, translation.y),
                         buffers,
                         clip_bounds,
-                        style,
+                        gradient,
                     });
                 }
             }
diff --git a/graphics/src/layer/mesh.rs b/graphics/src/layer/mesh.rs
index 979081f1..7661c5c9 100644
--- a/graphics/src/layer/mesh.rs
+++ b/graphics/src/layer/mesh.rs
@@ -1,31 +1,93 @@
 //! A collection of triangle primitives.
 use crate::triangle;
-use crate::{Point, Rectangle};
+use crate::{Gradient, Point, Rectangle};
 
 /// A mesh of triangles.
 #[derive(Debug, Clone, Copy)]
-pub struct Mesh<'a> {
-    /// The origin of the vertices of the [`Mesh`].
-    pub origin: Point,
+pub enum Mesh<'a> {
+    /// A mesh of triangles with a solid color.
+    Solid {
+        /// The origin of the vertices of the [`Mesh`].
+        origin: Point,
 
-    /// The vertex and index buffers of the [`Mesh`].
-    pub buffers: &'a triangle::Mesh2D,
+        /// The vertex and index buffers of the [`Mesh`].
+        buffers: &'a triangle::Mesh2D<triangle::ColoredVertex2D>,
 
-    /// The clipping bounds of the [`Mesh`].
-    pub clip_bounds: Rectangle<f32>,
+        /// The clipping bounds of the [`Mesh`].
+        clip_bounds: Rectangle<f32>,
+    },
+    /// A mesh of triangles with a gradient color.
+    Gradient {
+        /// The origin of the vertices of the [`Mesh`].
+        origin: Point,
 
-    /// The shader of the [`Mesh`].
-    pub style: &'a triangle::Style,
+        /// The vertex and index buffers of the [`Mesh`].
+        buffers: &'a triangle::Mesh2D<triangle::Vertex2D>,
+
+        /// The clipping bounds of the [`Mesh`].
+        clip_bounds: Rectangle<f32>,
+
+        /// The gradient to apply to the [`Mesh`].
+        gradient: &'a Gradient,
+    },
+}
+
+impl Mesh<'_> {
+    /// Returns the origin of the [`Mesh`].
+    pub fn origin(&self) -> Point {
+        match self {
+            Self::Solid { origin, .. } | Self::Gradient { origin, .. } => {
+                *origin
+            }
+        }
+    }
+
+    /// Returns the indices of the [`Mesh`].
+    pub fn indices(&self) -> &[u32] {
+        match self {
+            Self::Solid { buffers, .. } => &buffers.indices,
+            Self::Gradient { buffers, .. } => &buffers.indices,
+        }
+    }
+
+    /// Returns the clip bounds of the [`Mesh`].
+    pub fn clip_bounds(&self) -> Rectangle<f32> {
+        match self {
+            Self::Solid { clip_bounds, .. }
+            | Self::Gradient { clip_bounds, .. } => *clip_bounds,
+        }
+    }
+}
+
+/// The result of counting the attributes of a set of meshes.
+#[derive(Debug, Clone, Copy, Default)]
+pub struct AttributeCount {
+    /// The total amount of solid vertices.
+    pub solid_vertices: usize,
+
+    /// The total amount of gradient vertices.
+    pub gradient_vertices: usize,
+
+    /// The total amount of indices.
+    pub indices: usize,
 }
 
 /// Returns the number of total vertices & total indices of all [`Mesh`]es.
-pub fn attribute_count_of<'a>(meshes: &'a [Mesh<'a>]) -> (usize, usize) {
+pub fn attribute_count_of<'a>(meshes: &'a [Mesh<'a>]) -> AttributeCount {
     meshes
         .iter()
-        .map(|Mesh { buffers, .. }| {
-            (buffers.vertices.len(), buffers.indices.len())
-        })
-        .fold((0, 0), |(total_v, total_i), (v, i)| {
-            (total_v + v, total_i + i)
+        .fold(AttributeCount::default(), |mut count, mesh| {
+            match mesh {
+                Mesh::Solid { buffers, .. } => {
+                    count.solid_vertices += buffers.vertices.len();
+                    count.indices += buffers.indices.len();
+                }
+                Mesh::Gradient { buffers, .. } => {
+                    count.gradient_vertices += buffers.vertices.len();
+                    count.indices += buffers.indices.len();
+                }
+            }
+
+            count
         })
 }