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Added overlay for demoing parallel painting.

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This commit is contained in:
Jack Moffitt 2015-02-18 20:19:12 -07:00
parent dc31d96f65
commit 923676d443
3 changed files with 33 additions and 6 deletions
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32
components/gfx/paint_task.rs
View file

@ -355,7 +355,8 @@ impl<C> PaintTask<C> where C: PaintListener + Send {
for (i, tile) in tiles.into_iter().enumerate() {
let thread_id = i % self.worker_threads.len();
let layer_buffer = self.find_or_create_layer_buffer_for_tile(&tile, scale);
self.worker_threads[thread_id].paint_tile(tile,
self.worker_threads[thread_id].paint_tile(thread_id,
tile,
layer_buffer,
stacking_context.clone(),
scale);
@ -447,11 +448,12 @@ impl WorkerThreadProxy {
}
fn paint_tile(&mut self,
thread_id: usize,
tile: BufferRequest,
layer_buffer: Option<Box<LayerBuffer>>,
stacking_context: Arc<StackingContext>,
scale: f32) {
self.sender.send(MsgToWorkerThread::PaintTile(tile, layer_buffer, stacking_context, scale)).unwrap()
self.sender.send(MsgToWorkerThread::PaintTile(thread_id, tile, layer_buffer, stacking_context, scale)).unwrap()
}
fn get_painted_tile_buffer(&mut self) -> Box<LayerBuffer> {
@ -495,8 +497,8 @@ impl WorkerThread {
loop {
match self.receiver.recv().unwrap() {
MsgToWorkerThread::Exit => break,
MsgToWorkerThread::PaintTile(tile, layer_buffer, stacking_context, scale) => {
let draw_target = self.optimize_and_paint_tile(&tile, stacking_context, scale);
MsgToWorkerThread::PaintTile(thread_id, tile, layer_buffer, stacking_context, scale) => {
let draw_target = self.optimize_and_paint_tile(thread_id, &tile, stacking_context, scale);
let buffer = self.create_layer_buffer_for_painted_tile(&tile,
layer_buffer,
draw_target,
@ -508,6 +510,7 @@ impl WorkerThread {
}
fn optimize_and_paint_tile(&mut self,
thread_id: usize,
tile: &BufferRequest,
stacking_context: Arc<StackingContext>,
scale: f32)
@ -563,7 +566,24 @@ impl WorkerThread {
&matrix,
None);
paint_context.draw_target.flush();
});
});
if opts::get().show_debug_parallel_paint {
// Overlay a transparent solid color to identify the thread that
// painted this tile.
let colors = [Color { r: 6.0/255.0, g: 153.0/255.0, b: 198.0/255.0, a: 0.7 },
Color { r: 255.0/255.0, g: 212.0/255.0, b: 83.0/255.0, a: 0.7 },
Color { r: 116.0/255.0, g: 29.0/255.0, b: 109.0/255.0, a: 0.7 },
Color { r: 204.0/255.0, g: 158.0/255.0, b: 199.0/255.0, a: 0.7 },
Color { r: 242.0/255.0, g: 46.0/255.0, b: 121.0/255.0, a: 0.7 },
Color { r: 116.0/255.0, g: 203.0/255.0, b: 196.0/255.0, a: 0.7 },
Color { r: 255.0/255.0, g: 249.0/255.0, b: 201.0/255.0, a: 0.7 },
Color { r: 137.0/255.0, g: 196.0/255.0, b: 78.0/255.0, a: 0.7 }];
paint_context.draw_solid_color(&Rect(Point2D(Au(0), Au(0)),
Size2D(Au::from_px(size.width as isize),
Au::from_px(size.height as isize))),
colors[thread_id % colors.len()]);
}
}
draw_target
@ -613,7 +633,7 @@ impl WorkerThread {
enum MsgToWorkerThread {
Exit,
PaintTile(BufferRequest, Option<Box<LayerBuffer>>, Arc<StackingContext>, f32),
PaintTile(usize, BufferRequest, Option<Box<LayerBuffer>>, Arc<StackingContext>, f32),
}
enum MsgFromWorkerThread {

6
components/util/opts.rs
View file

@ -75,6 +75,9 @@ pub struct Opts {
/// True if we should show borders on all fragments for debugging purposes (`--show-debug-fragment-borders`).
pub show_debug_fragment_borders: bool,
/// True if we should paint tiles with overlays based on which thread painted them.
pub show_debug_parallel_paint: 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.
@ -128,6 +131,7 @@ pub fn print_debug_usage(app: &str) {
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.");
print_option("show-parallel-paint", "Overlay tiles with colors showing which thread painted them.");
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.");
@ -166,6 +170,7 @@ pub fn default_opts() -> Opts {
bubble_inline_sizes_separately: false,
show_debug_borders: false,
show_debug_fragment_borders: false,
show_debug_parallel_paint: false,
enable_text_antialiasing: false,
trace_layout: false,
devtools_port: None,
@ -315,6 +320,7 @@ pub fn from_cmdline_args(args: &[String]) -> bool {
user_agent: opt_match.opt_str("u"),
show_debug_borders: debug_options.contains(&"show-compositor-borders"),
show_debug_fragment_borders: debug_options.contains(&"show-fragment-borders"),
show_debug_parallel_paint: debug_options.contains(&"show-parallel-paint"),
enable_text_antialiasing: !debug_options.contains(&"disable-text-aa"),
dump_flow_tree: debug_options.contains(&"dump-flow-tree"),
validate_display_list_geometry: debug_options.contains(&"validate-display-list-geometry"),

1
ports/cef/core.rs
View file

@ -86,6 +86,7 @@ pub extern "C" fn cef_initialize(args: *const cef_main_args_t,
bubble_inline_sizes_separately: false,
show_debug_borders: false,
show_debug_fragment_borders: false,
show_debug_parallel_paint: false,
enable_text_antialiasing: true,
trace_layout: false,
devtools_port: None,