hacks for running the examples on CI on a github runner

tools/example-showcase/src/main.rs

@@ -46,6 +46,10 @@ enum Action {
  #[arg(long)]
  /// Take a screenshot
  screenshot: bool,
+
+ #[arg(long)]
+ /// Running in CI (some adaptation to the code)
+ in_ci: bool,
  },
  /// Build the markdown files for the website
  BuildWebsiteList {
@@ -111,6 +115,7 @@ fn main() {
  wgpu_backend,
  manual_stop,
  screenshot,
+ in_ci,
  } => {
  let examples_to_run = parse_examples();
 
@@ -132,20 +137,49 @@ fn main() {
  (false, true) => {
  let mut file = File::create("example_showcase_config.ron").unwrap();
  file.write_all(
- b"(exit_after: Some(300), frame_time: Some(0.05), screenshot_frames: [100])",
+ b"(exit_after: Some(150), frame_time: Some(0.05), screenshot_frames: [100])",
  )
  .unwrap();
  extra_parameters.push("--features");
  extra_parameters.push("bevy_ci_testing");
  }
  (false, false) => {
  let mut file = File::create("example_showcase_config.ron").unwrap();
- file.write_all(b"(exit_after: Some(300))").unwrap();
+ file.write_all(b"(exit_after: Some(150))").unwrap();
  extra_parameters.push("--features");
  extra_parameters.push("bevy_ci_testing");
  }
  }
 
+ if in_ci {
+ // Removing desktop mode as is slows down too much in CI
+ let sh = Shell::new().unwrap();
+ cmd!(
+ sh,
+ "sed -i.bak 's/pub fn desktop_app() -> Self {/pub fn desktop_app() -> Self {Self::game()} pub fn desktop_app_old() -> Self {/' crates/bevy_winit/src/winit_config.rs"
+ )
+ .run()
+ .unwrap();
+
+ // Setting lights ClusterConfig to have less clusters by default
+ // This is needed as the default config is too much for the CI runner
+ cmd!(
+ sh,
+ "sed -i.bak 's/let config = config.copied().unwrap_or_default();/let config = config.copied().unwrap_or(ClusterConfig::FixedZ {total: 128, z_slices: 4, z_config: ClusterZConfig::default(), dynamic_resizing: true});/' crates/bevy_pbr/src/light.rs"
+ )
+ .run()
+ .unwrap();
+
+ // Sending extra WindowResize events. They are not sent on CI with xvfb x11 server
+ // This is needed for example split_screen that uses the window size to set the panels
+ cmd!(
+ sh,
+ "sed -i.bak 's/winit_state.low_power_event = true;/winit_state.low_power_event = true; window_events.window_resized.send(WindowResized {window: window_entity, width: window.width(), height: window.height()});/' crates/bevy_winit/src/lib.rs"
+ )
+ .run()
+ .unwrap();
+ }
+
  let work_to_do = || {
  examples_to_run
  .iter()