buffers: drop Debug impls

src/buffers.rs

@@ -12,14 +12,12 @@ use std::sync::atomic::AtomicBool;
 use std::sync::RwLock;
 use std::sync::{Arc, Mutex};
 
-#[derive(Debug)]
 struct ShaderBinding {
     shader: Option<Box<dyn Shader>>,
     rect: Rectangle<Virtual>,
     opacity: u8
 }
 
-#[derive(Debug)]
 struct SurfaceUpdate {
     shader: Option<Option<Box<dyn Shader>>>,
     rect: Option<Rectangle<Virtual>>,
@@ -41,12 +39,6 @@ impl SurfaceUpdate {
     }
 }
 
-impl Debug for Box<dyn Shader> {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("Shader").finish()
-    }
-}
-
 impl Default for SurfaceUpdate {
     fn default() -> Self {
         SurfaceUpdate {
@@ -58,7 +50,6 @@ impl Default for SurfaceUpdate {
     }
 }
 
-#[derive(Debug)]
 pub struct BufferedSurface {
     updater: Arc<UpdateQueue>,
     slot: usize
@@ -98,7 +89,6 @@ impl Surface for BufferedSurface {
     }
 }
 
-#[derive(Debug)]
 struct UpdateQueue {
     pending: Mutex<Vec<SurfaceUpdate>>,
     damaged: AtomicBool
@@ -135,7 +125,6 @@ impl UpdateQueue {
     }
 }
 
-#[derive(Debug)]
 pub struct ShaderChain {
     bindings: Vec<ShaderBinding>,
     updates: Arc<UpdateQueue>