In Context::handle_error_fatal, print cause chain. (#3563)

gfx-rs · Mar 7, 2023 · 13d2c36 · 13d2c36
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -126,6 +126,7 @@ By @teoxoy in [#3534](https://github.com/gfx-rs/wgpu/pull/3534)
 
 - `copyTextureToTexture` src/dst aspects must both refer to all aspects of src/dst format. By @teoxoy in [#3431](https://github.com/gfx-rs/wgpu/pull/3431)
 - Validate before extracting texture selectors. By @teoxoy in [#3487](https://github.com/gfx-rs/wgpu/pull/3487)
+- Fix fatal errors (those which panic even if an error handler is set) not including all of the details. By @kpreid in [#3563](https://github.com/gfx-rs/wgpu/pull/3563)
 
 #### Vulkan
 

diff --git a/wgpu/src/backend/direct.rs b/wgpu/src/backend/direct.rs
@@ -299,12 +299,13 @@ impl Context {
  self.handle_error(sink_mutex, cause, "", None, string)
  }
 
+ #[track_caller]
  fn handle_error_fatal(
  &self,
  cause: impl Error + Send + Sync + 'static,
- string: &'static str,
+ operation: &'static str,
  ) -> ! {
- panic!("Error in {string}: {cause}");
+ panic!("Error in {operation}: {f}", f = self.format_error(&cause));
  }
 
  fn format_error(&self, err: &(impl Error + 'static)) -> String {