1892201 - Add support for caching quad render tasks

Status: REOPENED

(Core :: Graphics: WebRender, task, P3)

Description

[Nicolas Silva [:nical]]

Some patterns are too expensive to re-render every frame (on SWGL in particular). To avoid regressions when porting cached sharders to quads, we need to support optionally caching them at least in some cases.

The way I'm thinking of going about this is to add a quad cache key that uses the pattern kind, item uid and some way to identify the clip (also uid maybe), and have push_quad request a cached render task instead of a regular one if the pattern is flagged as expensive (and depending on its size).

Comment 1

[Nicolas Silva [:nical]]

Attachment: Bug 1892201 - Remove unused RenderTaskParent::Surface field. r=#gfx-reviewers

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/369021b90b34
Remove unused RenderTaskParent::Surface field. r=gfx-reviewers,gw

Comment 3

[Cristian Tuns]

https://hg.mozilla.org/mozilla-central/rev/369021b90b34

Comment 4

[Mayank Bansal]

Guessing this needs to be leave-open.