Add a log for catching image sync bug

maximbaz · Oct 25, 2024 · db8bf31 · db8bf31
1 parent a599f26
commit db8bf31
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diff --git a/src/frame/capturer/wayland.rs b/src/frame/capturer/wayland.rs
@@ -454,7 +454,7 @@ impl Dispatch<ZwlrScreencopyFrameV1, ()> for Capturer {
 
             zwlr_screencopy_frame_v1::Event::Ready { .. } => {
                 // The frame is sadly not always ready at this stage, and I couldn't find how to make Vulkan synchronize with the compositor ☹️
-                thread::sleep(Duration::from_millis(10));
+                // thread::sleep(Duration::from_millis(10));
 
                 let luma = state
                     .vulkan

diff --git a/src/frame/vulkan.rs b/src/frame/vulkan.rs
@@ -260,6 +260,10 @@ impl Vulkan {
 
         let result = compute_perceived_lightness_percent(rgbas, true, pixels);
 
+        if result == 0 {
+            log::warn!("Perceived lightness is 0, this could be a bug I'm trying to catch. If you see this value while your screen is not pitch-black, please open a GitHub issue (or use an already opened one) and share your logs, ideally with RUST_LOG=trace and this message.");
+        }
+
         unsafe {
             self.device.unmap_memory(self.buffer_memory);
             self.device.destroy_image(frame_image, None);