4 files changed, 130 insertions, 0 deletions
diff --git a/graphics/src/layer/image.rs b/graphics/src/layer/image.rs
new file mode 100644
index 00000000..cbba7888
--- /dev/null
+++ b/graphics/src/layer/image.rs
@@ -0,0 +1,23 @@
+use iced_native::{image, svg};
+use crate::Rectangle;
+
+/// A raster or vector image.
+#[derive(Debug, Clone)]
+pub enum Image {
+    /// A raster image.
+    Raster {
+        /// The handle of a raster image.
+        handle: image::Handle,
+
+        /// The bounds of the image.
+        bounds: Rectangle,
+    },
+    /// A vector image.
+    Vector {
+        /// The handle of a vector image.
+        handle: svg::Handle,
+
+        /// The bounds of the image.
+        bounds: Rectangle,
+    },
+}
diff --git a/graphics/src/layer/mesh.rs b/graphics/src/layer/mesh.rs
new file mode 100644
index 00000000..0946317e
--- /dev/null
+++ b/graphics/src/layer/mesh.rs
@@ -0,0 +1,51 @@
+//! A collection of triangle primitives.
+
+use crate::{Color, Point, Rectangle, triangle};
+use crate::gradient::Gradient;
+
+/// A mesh of triangles.
+#[derive(Debug, Clone, Copy)]
+pub struct Mesh<'a> {
+    /// The origin of the vertices of the [`Mesh`].
+    pub origin: Point,
+
+    /// The vertex and index buffers of the [`Mesh`].
+    pub buffers: &'a triangle::Mesh2D,
+
+    /// The clipping bounds of the [`Mesh`].
+    pub clip_bounds: Rectangle<f32>,
+
+    /// The shader of the [`Mesh`].
+    pub style: &'a Style,
+}
+
+#[derive(Debug, Clone)]
+/// Supported shaders for primitives.
+pub enum Style {
+    /// Fill a primitive with a solid color.
+    Solid(Color),
+    /// Fill a primitive with an interpolated color.
+    Gradient(Gradient)
+}
+
+impl <'a> Into<Style> for Gradient {
+    fn into(self) -> Style {
+        match self {
+            Gradient::Linear(linear) => {
+                Style::Gradient(Gradient::Linear(linear))
+            }
+        }
+    }
+}
+
+/// Returns the number of total vertices & total indices of all [`Mesh`]es.
+pub fn attribute_count_of<'a>(meshes: &'a [Mesh<'a>]) -> (usize, usize) {
+    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)
+        })
+}
diff --git a/graphics/src/layer/quad.rs b/graphics/src/layer/quad.rs
new file mode 100644
index 00000000..4def8427
--- /dev/null
+++ b/graphics/src/layer/quad.rs
@@ -0,0 +1,30 @@
+/// A colored rectangle with a border.
+///
+/// This type can be directly uploaded to GPU memory.
+#[derive(Debug, Clone, Copy)]
+#[repr(C)]
+pub struct Quad {
+    /// The position of the [`Quad`].
+    pub position: [f32; 2],
+
+    /// The size of the [`Quad`].
+    pub size: [f32; 2],
+
+    /// The color of the [`Quad`], in __linear RGB__.
+    pub color: [f32; 4],
+
+    /// The border color of the [`Quad`], in __linear RGB__.
+    pub border_color: [f32; 4],
+
+    /// The border radius of the [`Quad`].
+    pub border_radius: f32,
+
+    /// The border width of the [`Quad`].
+    pub border_width: f32,
+}
+
+#[allow(unsafe_code)]
+unsafe impl bytemuck::Zeroable for Quad {}
+
+#[allow(unsafe_code)]
+unsafe impl bytemuck::Pod for Quad {}
diff --git a/graphics/src/layer/text.rs b/graphics/src/layer/text.rs
new file mode 100644
index 00000000..74f7a676
--- /dev/null
+++ b/graphics/src/layer/text.rs
@@ -0,0 +1,26 @@
+use crate::{alignment, Font, Rectangle};
+
+/// A paragraph of text.
+#[derive(Debug, Clone, Copy)]
+pub struct Text<'a> {
+    /// The content of the [`Text`].
+    pub content: &'a str,
+
+    /// The layout bounds of the [`Text`].
+    pub bounds: Rectangle,
+
+    /// The color of the [`Text`], in __linear RGB_.
+    pub color: [f32; 4],
+
+    /// The size of the [`Text`].
+    pub size: f32,
+
+    /// The font of the [`Text`].
+    pub font: Font,
+
+    /// The horizontal alignment of the [`Text`].
+    pub horizontal_alignment: alignment::Horizontal,
+
+    /// The vertical alignment of the [`Text`].
+    pub vertical_alignment: alignment::Vertical,
+}