Commit b5f999f5 authored by Connor Brewster's avatar Connor Brewster
Browse files

Bug 1178765 - Part 5: Add optimization to render task depth assignment r=gw,nical 

Fixes an issue when backdrop-filter is used many time on a page where we would
spend a large amount of time reevaluating render tasks when assigning task depths.

Differential Revision: https://phabricator.services.mozilla.com/D41252

--HG--
extra : moz-landing-system : lando
parent ec29ea95

gfx/wr/webrender/src/render_task.rs

+7 −3
Original line number Diff line number Diff line
@@ -215,9 +215,13 @@ impl RenderTaskGraph { 
        ) {

            *max_depth = std::cmp::max(*max_depth, task_depth);



            {

            let task_max_depth = &mut task_max_depths[task_id.index as usize];

                *task_max_depth = std::cmp::max(*task_max_depth, task_depth);

            if task_depth > *task_max_depth {

                *task_max_depth = task_depth;

            } else {

                // If this task has already been processed at a larger depth,

                // there is no need to process it again.

                return;

            }



            let task = &tasks[task_id.index as usize];