render: effectively rename Display to Output, push remaining common code into Renderer task

src/main.rs

@@ -9,6 +9,8 @@ mod animations;
 mod mappings;
 mod buffers;
 
+use buffers::SurfacePool;
+
 use crate::platform::DisplayInit;
 use crate::render::Surfaces;
 use crate::geometry::Rectangle;
@@ -43,15 +45,17 @@ fn main() {
 
     log::info!("Setting up display");
 
-    let mut display = DisplayType::new_display::<SurfaceType>();
+    let display = DisplayType::new_display::<SurfaceType>();
+
+    let mut surfaces: SurfacePool<SurfaceType> = SurfacePool::new();
 
     log::info!("Created new display type {}", core::any::type_name_of_val(&display));
 
     log::info!("Creating runner");
     let mut runner = task::Scheduler::new(vec![
-        Box::new(animations::IdleTask::new(&mut display)),
-        Box::new(animations::TestPattern::new(display.new_surface(&Rectangle::everything()).unwrap())),
-        Box::new(Renderer::new(display)),
+        Box::new(animations::IdleTask::new(&mut surfaces)),
+        Box::new(animations::TestPattern::new(surfaces.new_surface(&Rectangle::everything()).unwrap())),
+        Box::new(Renderer::new(display, surfaces)),
     ]);
 
     log::info!("Runner ready: {:?}", runner);