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gfx: Implement paint flashing, which will be useful for debugging

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invalidation.
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Patrick Walton 2015-05-14 15:45:41 -07:00
parent 7040453358
commit a0980091cf
7 changed files with 21 additions and 0 deletions
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7
components/util/opts.rs
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@ -90,6 +90,10 @@ pub struct Opts {
/// True if we should paint borders around flows based on which thread painted them.
pub show_debug_parallel_layout: bool,
/// True if we should paint tiles a random color whenever they're repainted. Useful for
/// debugging invalidation.
pub paint_flashing: bool,
/// If set with --disable-text-aa, disable antialiasing on fonts. This is primarily useful for reftests
/// where pixel perfect results are required when using fonts such as the Ahem
/// font for layout tests.
@ -167,6 +171,7 @@ pub fn print_debug_usage(app: &str) {
print_option("show-fragment-borders", "Paint borders along fragment boundaries.");
print_option("show-parallel-paint", "Overlay tiles with colors showing which thread painted them.");
print_option("show-parallel-layout", "Mark which thread laid each flow out with colors.");
print_option("paint-flashing", "Overlay repainted areas with a random color.");
print_option("trace-layout", "Write layout trace to an external file for debugging.");
print_option("validate-display-list-geometry",
"Display an error when display list geometry escapes overflow region.");
@ -213,6 +218,7 @@ pub fn default_opts() -> Opts {
show_debug_fragment_borders: false,
show_debug_parallel_paint: false,
show_debug_parallel_layout: false,
paint_flashing: false,
enable_text_antialiasing: false,
trace_layout: false,
devtools_port: None,
@ -388,6 +394,7 @@ pub fn from_cmdline_args(args: &[String]) -> bool {
show_debug_fragment_borders: debug_options.contains(&"show-fragment-borders"),
show_debug_parallel_paint: debug_options.contains(&"show-parallel-paint"),
show_debug_parallel_layout: debug_options.contains(&"show-parallel-layout"),
paint_flashing: debug_options.contains(&"paint-flashing"),
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"),