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Bug 1605283 - Improve support for invalidation debugging and testing r=gw

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Support hiding slices to better understand what's on which layer,
and to hide UI when not relevant.
Requires using a HTTP server due to cross-scripting.

Differential Revision: https://phabricator.services.mozilla.com/D67963

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Bert Peers 2020-03-24 16:51:06 +00:00
parent be1d82fa7d
commit a5e5ccd293
2 changed files with 73 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
gfx/wr/tileview/src/main.rs
View File

@ -12,6 +12,20 @@
/// 2nd:
/// cargo run --release -- /foo/bar/wr-capture/tilecache /tmp/tilecache
/// 4. open /tmp/tilecache/index.html
///
/// Note: accurate interning info requires that the circular buffer doesn't wrap around.
/// So for best results, use this workflow:
/// a. start up blank browser; in about:config enable logging; close browser
/// b. start new browser, quickly load the repro
/// c. capture.
///
/// If that's tricky, you can also just throw more memory at it: in render_backend.rs,
/// increase the buffer size here: 'TileCacheLogger::new(500usize)'
///
/// Note: some features don't work when opening index.html directly due to cross-scripting
/// protections. Instead use a HTTP server:
/// python -m SimpleHTTPServer 8000
use webrender::{TileNode, TileNodeKind, InvalidationReason, TileOffset};
use webrender::{TileSerializer, TileCacheInstanceSerializer, TileCacheLoggerUpdateLists};
@ -353,6 +367,8 @@ fn slices_to_svg(slices: &[Slice], prev_slices: Option<Vec<Slice>>,
let prim_class = format!("tile_slice{}", tile_cache.slice);
svg.push_str(&format!("\n<g id=\"tile_slice{}_everything\">", tile_cache.slice));
//println!("slice {}", tile_cache.slice);
svg.push_str(&format!("\n<!-- tile_cache slice {} -->\n",
tile_cache.slice));
@ -382,6 +398,8 @@ fn slices_to_svg(slices: &[Slice], prev_slices: Option<Vec<Slice>>,
&mut invalidation_report,
svg_width, svg_height, svg_settings));
}
svg.push_str("\n</g>");
}
(
@ -398,7 +416,7 @@ fn slices_to_svg(slices: &[Slice], prev_slices: Option<Vec<Slice>>,
)
}
fn write_html(output_dir: &Path, svg_files: &[String], intern_files: &[String]) {
fn write_html(output_dir: &Path, max_slice_index: usize, svg_files: &[String], intern_files: &[String]) {
let html_head = "<!DOCTYPE html>\n\
<html>\n\
<head>\n\
@ -433,6 +451,26 @@ fn write_html(output_dir: &Path, svg_files: &[String], intern_files: &[String])
</html>\n"
.to_string();
let mut html_slices_form =
"\n<form id=\"slicecontrols\">\n\
Slice\n".to_string();
for ix in 0..max_slice_index + 1 {
html_slices_form +=
&format!(
"<input id=\"slice_toggle{}\" \
type=\"checkbox\" \
onchange=\"update_slice_visibility({})\" \
checked=\"checked\" />\n\
<label for=\"slice_toggle{}\">{}</label>\n",
ix,
max_slice_index + 1,
ix,
ix );
}
html_slices_form += "<form>\n";
let html_body = format!(
"{}\n\
<div class=\"split left\">\n\
@ -451,13 +489,15 @@ fn write_html(output_dir: &Path, svg_files: &[String], intern_files: &[String])
<div id=\"text_spacebar\">Spacebar to Play</div>\n\
<div>Use Left/Right to Step</div>\n\
<input id=\"frame_slider\" type=\"range\" min=\"0\" max=\"{}\" value=\"0\" class=\"svg_ui_slider\" />
{}
</div>",
html_body,
svg_files[0],
svg_files[0],
intern_files[0],
svg_files[0],
svg_files.len() );
svg_files.len(),
html_slices_form );
let html = format!("{}{}{}{}", html_head, html_body, script, html_end);
@ -649,7 +689,7 @@ fn main() {
prev_slices = Some(slices);
}
write_html(output_dir, &svg_files, &intern_files);
write_html(output_dir, max_slice_index, &svg_files, &intern_files);
write_css(output_dir, max_slice_index, &svg_settings);
std::fs::write(output_dir.join("tilecache.js"), RES_JAVASCRIPT).unwrap();

30
gfx/wr/tileview/src/tilecache.js
View File

@ -42,6 +42,33 @@ function toggle_quadtree() {
}
}
function update_slice_visibility(max_slice) {
let content = frontbuffer.contentDocument;
update_slice_visibility_for_content(content, max_slice);
}
function update_slice_visibility_for_content(content, max_slice) {
if( !content ) // might happen due to cross-scripting -- use SimpleHTTPServer
return;
for (let slice = 0; slice != max_slice; ++slice) {
var cbox_name = "slice_toggle" + slice;
let cbox = document.getElementById(cbox_name);
if( !cbox )
continue;
let checked = cbox.checked;
var id = "tile_slice" + slice + "_everything";
var group = content.getElementById(id);
if( !group )
continue;
if( checked )
group.style.display = "block";
else
group.style.display = "none";
}
}
// try to block repeated keypressed from causing flickering
// when they land between go_to_svg returning and onload
// firing.
@ -66,6 +93,9 @@ function go_to_svg(index) {
document.getElementById("text_frame_counter").innerHTML =
svg_files[svg_index];
let content = backbuffer.contentDocument;
update_slice_visibility_for_content(content, 20);
backbuffer.style.display = '';
frontbuffer.style.display = 'none';