Clean up and document the send_display_list interface

This moves more members to the CompositorDisplayListInfo struct, which
now holds all miscellaneous, non-WebRender data when sending display
lists. It also documents what each things sent with a display list does.
This commit is contained in:
Martin Robinson 2023-05-16 09:18:03 +02:00
parent 0377a1853a
commit 4d3625ec80
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GPG key ID: D56AA4FA55EFE6F8
8 changed files with 85 additions and 79 deletions

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@ -13,7 +13,7 @@ use msg::constellation_msg::PipelineId;
use script_traits::compositor::{CompositorDisplayListInfo, ScrollTreeNodeId, ScrollableNodeInfo};
use webrender_api::units::{LayoutPoint, LayoutSize, LayoutVector2D};
use webrender_api::{
self, ClipId, CommonItemProperties, DisplayItem as WrDisplayItem, DisplayListBuilder,
self, ClipId, CommonItemProperties, DisplayItem as WrDisplayItem, DisplayListBuilder, Epoch,
PrimitiveFlags, PropertyBinding, PushStackingContextDisplayItem, RasterSpace,
ReferenceFrameKind, SpaceAndClipInfo, SpatialId, StackingContext,
};
@ -25,20 +25,11 @@ struct ClipScrollState {
}
impl ClipScrollState {
fn new(
size: usize,
content_size: LayoutSize,
viewport_size: LayoutSize,
pipeline_id: webrender_api::PipelineId,
) -> Self {
fn new(size: usize, compositor_info: CompositorDisplayListInfo) -> Self {
let mut state = ClipScrollState {
clip_ids: vec![None; size],
scroll_node_ids: vec![None; size],
compositor_info: CompositorDisplayListInfo::new(
viewport_size,
content_size,
pipeline_id,
),
compositor_info,
};
// We need to register the WebRender root reference frame and root scroll node ids
@ -49,7 +40,7 @@ impl ClipScrollState {
state.scroll_node_ids[0] = Some(state.compositor_info.root_reference_frame_id);
state.scroll_node_ids[1] = Some(state.compositor_info.root_scroll_node_id);
let root_clip_id = ClipId::root(pipeline_id);
let root_clip_id = ClipId::root(state.compositor_info.pipeline_id);
state.add_clip_node_mapping(0, root_clip_id);
state.add_clip_node_mapping(1, root_clip_id);
@ -106,13 +97,17 @@ impl DisplayList {
&mut self,
pipeline_id: PipelineId,
viewport_size: LayoutSize,
epoch: Epoch,
) -> (DisplayListBuilder, CompositorDisplayListInfo, IsContentful) {
let webrender_pipeline = pipeline_id.to_webrender();
let mut state = ClipScrollState::new(
self.clip_scroll_nodes.len(),
self.bounds().size,
viewport_size,
webrender_pipeline,
CompositorDisplayListInfo::new(
viewport_size,
self.bounds().size,
webrender_pipeline,
epoch,
),
);
let mut builder = DisplayListBuilder::with_capacity(