init

src/vertex.rs

@@ -0,0 +1,28 @@
+#[repr(C)]
+#[derive(Copy, Clone, Debug, bytemuck::Pod, bytemuck::Zeroable)]
+pub struct Vertex {
+    position: [f32; 2],
+    color: [f32; 3],
+}
+
+impl Vertex {
+    pub fn new(position: [f32; 2], color: [f32; 3]) -> Vertex {
+        Vertex {position, color}
+    }
+
+    pub fn new_white(position: [f32; 2]) -> Vertex {
+        Vertex {position, color: [1.0, 1.0, 1.0]}
+    }
+
+    const ATTRIBS: [wgpu::VertexAttribute; 2] = wgpu::vertex_attr_array![0 => Float32x2, 1 => Float32x3];
+
+    pub const fn desc() -> wgpu::VertexBufferLayout<'static> {
+        use std::mem;
+        wgpu::VertexBufferLayout {
+            array_stride: mem::size_of::<Self>() as wgpu::BufferAddress,
+            step_mode: wgpu::VertexStepMode::Vertex,
+            attributes: &Self::ATTRIBS,
+        }
+    }
+}
+