Split Mesh data and Pipeline

src/game/assets/meshs/square.rs

@@ -0,0 +1,63 @@
+use std::{error::Error, sync::Arc};
+
+use vulkano::{buffer::Subbuffer, memory::allocator::StandardMemoryAllocator};
+
+use crate::core::render::primitives::{
+    AsIndexBuffer, AsRenderableMesh, AsVertexBuffer, vertex::Vertex3D,
+};
+
+const VERTICES: [Vertex3D; 4] = [
+    Vertex3D {
+        position: [-0.5, -0.5, 0.0],
+        uv: [0.0, 0.0],
+    },
+    Vertex3D {
+        position: [-0.5, 0.5, 0.0],
+        uv: [0.0, 1.0],
+    },
+    Vertex3D {
+        position: [0.5, -0.5, 0.0],
+        uv: [1.0, 0.0],
+    },
+    Vertex3D {
+        position: [0.5, 0.5, 0.0],
+        uv: [1.0, 1.0],
+    },
+];
+
+const INDICES: [u32; 6] = [0, 2, 1, 2, 3, 1];
+
+pub struct Square {
+    vertex_buffer: Subbuffer<[Vertex3D]>,
+    index_buffer: Subbuffer<[u32]>,
+}
+
+impl Square {
+    pub fn new(memory_allocator: &Arc<StandardMemoryAllocator>) -> Result<Self, Box<dyn Error>> {
+        let vertex_buffer = Vertex3D::create_vertex_buffer(memory_allocator, &VERTICES)?;
+        let index_buffer = u32::create_index_buffer(memory_allocator, &INDICES)?;
+
+        Ok(Self {
+            vertex_buffer,
+            index_buffer,
+        })
+    }
+}
+
+impl AsRenderableMesh<Vertex3D, u32> for Square {
+    fn vertex_buffer(&self) -> &Subbuffer<[Vertex3D]> {
+        &self.vertex_buffer
+    }
+
+    fn index_buffer(&self) -> Option<&Subbuffer<[u32]>> {
+        Some(&self.index_buffer)
+    }
+
+    fn vertex_count(&self) -> u32 {
+        VERTICES.len() as u32
+    }
+
+    fn index_count(&self) -> u32 {
+        INDICES.len() as u32
+    }
+}