Begin move mesh + Vertex and Camera into core

src/core/render/vertex.rs

@@ -0,0 +1,38 @@
+use std::sync::Arc;
+use vulkano::buffer::{
+    AllocateBufferError, Buffer, BufferContents, BufferCreateInfo, BufferUsage, Subbuffer,
+};
+use vulkano::memory::allocator::{AllocationCreateInfo, MemoryTypeFilter, StandardMemoryAllocator};
+use vulkano::pipeline::graphics::vertex_input::Vertex;
+use vulkano::Validated;
+
+#[derive(BufferContents, Vertex)]
+#[repr(C)]
+pub struct Vertex2D {
+    #[format(R32G32_SFLOAT)]
+    pub position: [f32; 2],
+
+    #[format(R32G32B32_SFLOAT)]
+    pub color: [f32; 3],
+}
+
+impl Vertex2D {
+    pub fn create_buffer(
+        vertices: Vec<Vertex2D>,
+        memory_allocator: &Arc<StandardMemoryAllocator>,
+    ) -> Result<Subbuffer<[Vertex2D]>, Validated<AllocateBufferError>> {
+        Buffer::from_iter(
+            memory_allocator.clone(),
+            BufferCreateInfo {
+                usage: BufferUsage::VERTEX_BUFFER,
+                ..Default::default()
+            },
+            AllocationCreateInfo {
+                memory_type_filter: MemoryTypeFilter::PREFER_DEVICE
+                    | MemoryTypeFilter::HOST_SEQUENTIAL_WRITE,
+                ..Default::default()
+            },
+            vertices,
+        )
+    }
+}