From 6e422b740c8a06c58b4930e01df3a834795d1f78 Mon Sep 17 00:00:00 2001
From: Ian Douglas Scott <idscott@system76.com>
Date: Thu, 25 Jan 2024 16:00:37 -0800
Subject: [PATCH] Call `attach_buffer_and_commit` before reading front buffer

This way double buffering is somewhat useful; we can start another
capture before reading out the buffer.
---
 src/wayland/screencopy.rs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/wayland/screencopy.rs b/src/wayland/screencopy.rs
index c326711..2ddd6bc 100644
--- a/src/wayland/screencopy.rs
+++ b/src/wayland/screencopy.rs
@@ -150,6 +150,10 @@ impl ScreencopyHandler for AppData {
         let (front, back) = session.buffers.as_mut().unwrap();
         mem::swap(front, back);
 
+        // Capture again on damage
+        session.attach_buffer_and_commit(&capture, conn);
+
+        let (front, _) = session.buffers.as_mut().unwrap();
         let img = unsafe { front.to_image() };
         let image = CaptureImage { img };
         match &capture.source {
@@ -164,9 +168,6 @@ impl ScreencopyHandler for AppData {
                 ));
             }
         };
-
-        // Capture again on damage
-        session.attach_buffer_and_commit(&capture, conn);
     }
 
     fn failed(