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Remove layout_2020::display_list, use WebRender display lists instead

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This commit is contained in:
Simon Sapin 2019-09-06 17:22:41 +02:00
parent e9f7079c70
commit 3e6489f543
9 changed files with 22 additions and 105 deletions
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17
components/layout_2020/display_list/items.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use euclid::Vector2D;
use std::collections::HashMap;
use std::f32;
use webrender_api::units::LayoutPixel;
use webrender_api::ExternalScrollId;
pub use style::dom::OpaqueNode;
#[derive(Serialize)]
pub struct DisplayList {}
/// The type of the scroll offset list. This is only populated if WebRender is in use.
pub type ScrollOffsetMap = HashMap<ExternalScrollId, Vector2D<f32, LayoutPixel>>;

6
components/layout_2020/display_list/mod.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
pub mod items;
mod webrender_helpers;

33
components/layout_2020/display_list/webrender_helpers.rs
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@ -1,33 +0,0 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::display_list::items::DisplayList;
use msg::constellation_msg::PipelineId;
use webrender_api::units::LayoutSize;
use webrender_api::{self, DisplayListBuilder};
/// Contentful paint, for the purpose of
/// https://w3c.github.io/paint-timing/#first-contentful-paint
/// (i.e. the display list contains items of type text,
/// image, non-white canvas or SVG). Used by metrics.
pub struct IsContentful(pub bool);
impl DisplayList {
pub fn convert_to_webrender(
&mut self,
pipeline_id: PipelineId,
) -> (DisplayListBuilder, IsContentful) {
let webrender_pipeline = pipeline_id.to_webrender();
let builder = DisplayListBuilder::with_capacity(
webrender_pipeline,
LayoutSize::zero(),
1024 * 1024, // 1 MB of space
);
let is_contentful = IsContentful(false);
(builder, is_contentful)
}
}