1497665 - Stop reinitializing textures in WebRender

Status: RESOLVED FIXED

(Core :: Graphics: WebRender, enhancement, P2)

Description

[Bobby Holley (:bholley)]

This is a prerequisite to various things, primarily immutable storage. I have patches that are probably worth landing separately.

Comment 1

[Bobby Holley (:bholley)]

https://treeherder.mozilla.org/#/jobs?repo=try&revision=51ca1466480697d26fc01b031bf1459223897dd8

Comment 2

[Bobby Holley (:bholley)]

Attachment: Bug 1497665 - Stop reinitializing render targets with different dimensions.

This is a prerequisite to switching to immutable storage.

Comment 3

[Bobby Holley (:bholley)]

Attachment: Bug 1497665 - Stop reinitializing the GPU cache texture with different dimensions.

Depends on D8161

Comment 4

[Bobby Holley (:bholley)]

Attachment: Bug 1497665 - Stop reinitializing VertexDataTextures with different dimensions.

Depends on D8162

Comment 5

[Bobby Holley (:bholley)]

Attachment: Bug 1497665 - Stop reinitializing freed texture cache textures.

We also drop the vec scheme and just use a hash-map. None of the operations
here are hot enough that the difference between a HashMap and a Vec
should matter, and using a HashMap simplifies things. Glenn says that
hashmap lookups were once hot in profiles, but that was before
FastHashMap and not specifically these lookups.

Depends on D8163

Comment 6

[Bobby Holley (:bholley)]

Attachment: Bug 1497665 - Combine texture creation and initialization into the same API.

Depends on D8164

Comment 7

[Bobby Holley (:bholley)]

Attachment: Bug 1497665 - Simplify device texture management.

Things get simpler when reinitialization goes away.

Depends on D8165