pulled out the draw call. forgot to allocate buffers

src/main.rs

@@ -19,6 +19,7 @@ use winit::{EventsLoop, WindowBuilder, WindowEvent, Event, DeviceEvent, VirtualK
 use winit::dpi::LogicalSize;
 use vulkano_win::VkSurfaceBuild;
 use sprite::Sprite;
+use crate::canvas::CanvasFrame;
 
 
 mod util;
@@ -62,7 +63,7 @@ fn main() {
 
     let mut mouse_xy = Vector2i::new(0,0);
 
-    Sprite::new_with_color((0.,0.), (0,0), (0.,0.,0.,0.));
+    let sprite = Sprite::new_with_color((0.,0.), (0,0), (0.,0.,0.,0.));
 
     while let Some(p) = window.get_position() {
 
@@ -110,9 +111,10 @@ fn main() {
             return;
         }
 
+        let mut canvas = CanvasFrame::new();
+        canvas.draw(&sprite);
 
-
-        (frame_future) = processor.run(&surface, frame_future);
+        (frame_future) = processor.run(&surface, frame_future, canvas);
     }
 }