I didn't bother not shifting there. We need to load the whole thing and shift
for at least one of cascade level / shadow cascade order.
Callers of level() other than for_rule_tree are non-existent in release builds,
so we'd be doing the shift anyway. I can implement the same thing for
shadow_cascade_order too, but I don't think that optimization is measurable in
any way, either, the compiler should make the decision.
And just in case, the simpler version actually generated less instructions in:
https://play.rust-lang.org/?gist=ceadb0d3cbce4eeca76e4d9ab9a1c744&version=nightly
with the simple thing.
Bug: 1455032
Reviewed-by: heycam
MozReview-Commit-ID: 8xPBJmlcyKh
If I had to write that again I would've killed myself :).
This is still not perfect, and the system font code is still quite a mess, but
well, little steps.
Bug: 1455358
Reviewed-by: xidorn
MozReview-Commit-ID: BmrZlCSejo7
These won't "just work", pending changes from bug 1436048 to use a floating
point representation for those.
Bug: 1454883
Reviewed-by: xidorn
MozReview-Commit-ID: Bi5iTdFreMA
No cleaner ideas right now that carrying that counter around... Maybe a custom
type may be cleaner?
This makes ApplicableDeclarationBlock a bit bigger. I could probably try to make
the counter a 4 / 5-bit number or something and pack the counter there in the
SourceOrderAndCascadeLevel somehow...
But doesn't seem really worth the churn, and can be done as a followup in any
case. Let me know if you want to block on that.
Bug: 1454162
Reviewed-by: heycam
MozReview-Commit-ID: 1LdW9S4xA6f
Note that we also drop the dead optional aReusableSheets argument from
the async parsing path, since it was always null.
Bug: 1346988
Reviewed-by: bz,emilio
MozReview-Commit-ID: KddpGFdaqEe
Delegate resource reading to embedder
Now the embedder provides the content of the files itself. Now, on Android, we can use regular assets instead of unzipping all the resources on the scared at startup.
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The test document_domain_setter.html now fails, but AFAIK the origin
comparison can never be true (document.origin is the unprefixed domain,
while the loaded iframe is from www1.…), and that test fails in all
major browsers because of security exceptions anyway.
Implement WebGL GetRenderbufferParameter
This needed a bump of gleam to version 0.4.33 for this https://github.com/servo/gleam/pull/162
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I think my changes in test expectations are pretty naive and I have to wait for the PR to run on CI to see what the actual impact is. I'd like some guidance on this, too.
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Moved Canvas rendering to a single thread.
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Implements the "Subsequent Steps" part of the [NCSU Canvas rendering project.](https://github.com/servo/servo/wiki/Canvas-rendering-project)
I moved most of the functionality from CanvasPaintThread to CanvasData, so CanvasPaintThread essentially just pulls the info out of the message and calls a method on a particular CanvasData element.
I ran into some awkwardness with the fact that one can only take a single mutable reference from a hashmap, though. DrawImageInOther is not really possible to do with only one reference at a time, so it awkwardly still lives in CanvasPaintThread, basically. I also would've preferred to take the reference at the top as soon as I get the CanvasId, since that looks cleaner than having them all start with "canvas_paint_thread.canvases.get_mut[&canvas_id].unwrap()" but that makes trying to take the second reference for DrawImageInOther fail to compile. I'm definitely open to suggestions on how to make that less gross.
The timed single-canvas drawing improved in performance from around ~2.2ms to around ~1.7ms. Slither.io runs better and doesn't crash, but I'm not having it crash on my copy from before these changes, so I don't know if that's new behavior or not.
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Implement corner clipping.
Remove PixelFormat from WebrenderImageInfo.
Use WebRender text shadow.
Remove MallocSizeOf and Deserialize for DL items.
Closes#19649, #19680, #19802
