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Implements reflow events debugging.

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Start servo with -Z relayout-event and you should have
reflow events printed to the terminal.
This commit is contained in:
Adenilson Cavalcanti 2015-03-04 15:45:34 -08:00
parent 34289943e3
commit 618f56410d
4 changed files with 70 additions and 18 deletions
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6
components/util/opts.rs
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@ -113,6 +113,9 @@ pub struct Opts {
/// Dumps the flow tree after a layout.
pub dump_display_list: bool,
/// Emits notifications when there is a relayout.
pub relayout_event: bool,
/// Whether to show an error when display list geometry escapes flow overflow regions.
pub validate_display_list_geometry: bool,
@ -136,6 +139,7 @@ pub fn print_debug_usage(app: &str) {
print_option("disable-text-aa", "Disable antialiasing of rendered text.");
print_option("dump-flow-tree", "Print the flow tree after each layout.");
print_option("dump-display-list", "Print the display list after each layout.");
print_option("relayout-event", "Print notifications when there is a relayout.");
print_option("profile-tasks", "Instrument each task, writing the output to a file.");
print_option("show-compositor-borders", "Paint borders along layer and tile boundaries.");
print_option("show-fragment-borders", "Paint borders along fragment boundaries.");
@ -188,6 +192,7 @@ pub fn default_opts() -> Opts {
user_agent: None,
dump_flow_tree: false,
dump_display_list: false,
relayout_event: false,
validate_display_list_geometry: false,
profile_tasks: false,
resources_path: None,
@ -336,6 +341,7 @@ pub fn from_cmdline_args(args: &[String]) -> bool {
enable_text_antialiasing: !debug_options.contains(&"disable-text-aa"),
dump_flow_tree: debug_options.contains(&"dump-flow-tree"),
dump_display_list: debug_options.contains(&"dump-display-list"),
relayout_event: debug_options.contains(&"relayout-event"),
validate_display_list_geometry: debug_options.contains(&"validate-display-list-geometry"),
resources_path: opt_match.opt_str("resources-path"),
};