Hi everyone,
Conversations last evening with roc got me to thinking about
invalidation some more. Currently, Servo repaints the whole displayport
on every change. This is obviously not going to work in the long run. At
the same time, we actually benefit in some ways from not doing
On 10/28/14, 1:15 PM, Patrick Walton wrote:
In other words, what are examples of
the major pain points that DLBI was designed to handle in Gecko?
You should double-check with Matt Woodrow, but three things come to mind:
1) Pre-DLBI, invalidation code was scattered all over layout and it was
I still don't understand how your oveflow-based invalidation handles
reflows.
For example, suppose I have a regular document that's shorter than the
whole window and I append some text to the bottom. The height of the body
grows. Depending on the styles on the body, e.g. the value of
On 10/28/14 1:46 PM, Robert O'Callahan wrote:
For example, suppose I have a regular document that's shorter than the
whole window and I append some text to the bottom. The height of the
body grows. Depending on the styles on the body, e.g. the value of
'border-radius' and certain 'background'
On Wed, Oct 29, 2014 at 10:08 AM, Patrick Walton pcwal...@mozilla.com
wrote:
On 10/28/14 1:46 PM, Robert O'Callahan wrote:
For example, suppose I have a regular document that's shorter than the
whole window and I append some text to the bottom. The height of the
body grows. Depending on the
On 10/28/14 2:40 PM, Robert O'Callahan wrote:
OK, but I still have the general question of how your overflow-based
invalidation handles reflows. The basic problem is style changes to
element A can result in geometry changes to element B where B is not a
descendant of A. For example suppose body
A blinking caret in an input text filed, maybe ? It's very common on the
web, the number of pixels that needs to be repainted is very small and it
happens somewhat continuously, so invalidating only the few pixels around
the caret ends up saving a lot over a minute.
Cheers,
Nical
On Tue, Oct
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