working through the pipeline I have going on for the text stuff

src/canvas/canvas_buffer.rs

@@ -51,3 +51,18 @@ impl CanvasImage {
     }
 }
 
+#[derive(Clone)]
+pub struct CanvasText {
+}
+
+impl CanvasText {
+    pub fn get_descriptor_set(pipeline: Arc<dyn GraphicsPipelineAbstract + Sync + Send>)
+                              -> Box<dyn DescriptorSet + Send + Sync> {
+        let o: Box<dyn DescriptorSet + Send + Sync> = Box::new(
+            PersistentDescriptorSet::start(
+                pipeline.clone(), 0,
+            )
+                .build().unwrap());
+        o
+    }
+}