Fix capture example panic in the browser (#4043)

gfx-rs · Aug 13, 2023 · cda3f21 · cda3f21
1 parent 014ae3f
commit cda3f21
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/examples/capture/src/main.rs b/examples/capture/src/main.rs
@@ -148,13 +148,13 @@ async fn create_png(
  //
  // We pass our submission index so we don't need to wait for any other possible submissions.
  device.poll(wgpu::Maintain::WaitForSubmissionIndex(submission_index));
- // If a file system is available, write the buffer as a PNG
- let has_file_system_available = cfg!(not(target_arch = "wasm32"));
- if !has_file_system_available {
- return;
- }
 
  if let Some(Ok(())) = receiver.receive().await {
+ // If a file system is available, write the buffer as a PNG
+ let has_file_system_available = cfg!(not(target_arch = "wasm32"));
+ if !has_file_system_available {
+ return;
+ }
  let padded_buffer = buffer_slice.get_mapped_range();
 
  let mut png_encoder = png::Encoder::new(