deps: Stop vendoring WebRender (#31212)

The new strategy for dependencies with upstream in Gecko is to manage
them in separate repositories, which will more easily allow rebasing our
changes on top of newer Gecko work.

1 files changed, 0 insertions, 250 deletions

diff --git a/third_party/webrender/patches/001-Restore-hit-testing-api.diff b/third_party/webrender/patches/001-Restore-hit-testing-api.diff
deleted file mode 100644
index 0a51a9a70ea..00000000000
--- a/third_party/webrender/patches/001-Restore-hit-testing-api.diff
+++ /dev/null
@@ -1,250 +0,0 @@
-diff --git a/webrender/src/hit_test.rs b/webrender/src/hit_test.rs
-index 4a73e2158d..e095d8db0c 100644
---- a/webrender/src/hit_test.rs
-+++ b/webrender/src/hit_test.rs
-@@ -2,13 +2,14 @@
-  * License, v. 2.0. If a copy of the MPL was not distributed with this
-  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
- 
--use api::{BorderRadius, ClipMode, HitTestItem, HitTestResult, ItemTag, PrimitiveFlags};
-+use api::{BorderRadius, ClipMode, HitTestItem, HitTestResult, ItemTag, PrimitiveFlags, HitTestFlags};
- use api::{PipelineId, ApiHitTester, ClipId};
- use api::units::*;
- use crate::clip::{ClipItemKind, ClipStore, ClipNode, rounded_rectangle_contains_point};
- use crate::clip::{polygon_contains_point};
- use crate::prim_store::PolygonKey;
- use crate::scene_builder_thread::Interners;
-+use crate::spatial_node::SpatialNodeType;
- use crate::spatial_tree::{SpatialNodeIndex, SpatialTree};
- use crate::internal_types::{FastHashMap, FastHashSet, LayoutPrimitiveInfo};
- use std::ops;
-@@ -45,8 +46,9 @@ impl ApiHitTester for SharedHitTester {
-     fn hit_test(&self,
-         pipeline_id: Option<PipelineId>,
-         point: WorldPoint,
-+        flags: HitTestFlags,
-     ) -> HitTestResult {
--        self.get_ref().hit_test(HitTest::new(pipeline_id, point))
-+        self.get_ref().hit_test(HitTest::new(pipeline_id, point, flags))
-     }
- }
- 
-@@ -355,6 +357,7 @@ impl HitTester {
-         self.spatial_nodes.clear();
- 
-         self.spatial_nodes.reserve(spatial_tree.spatial_nodes.len());
-+        self.pipeline_root_nodes.clear();
-         for (index, node) in spatial_tree.spatial_nodes.iter().enumerate() {
-             let index = SpatialNodeIndex::new(index);
- 
-@@ -380,6 +383,8 @@ impl HitTester {
-     }
- 
-     pub fn hit_test(&self, test: HitTest) -> HitTestResult {
-+        let point = test.get_absolute_point(self);
-+
-         let mut result = HitTestResult::default();
- 
-         let mut current_spatial_node_index = SpatialNodeIndex::INVALID;
-@@ -402,7 +407,7 @@ impl HitTester {
-                 point_in_layer = scroll_node
-                     .world_content_transform
-                     .inverse()
--                    .and_then(|inverted| inverted.transform_point2d(test.point));
-+                    .and_then(|inverted| inverted.transform_point2d(point));
-                 current_spatial_node_index = item.spatial_node_index;
-             }
- 
-@@ -426,7 +431,7 @@ impl HitTester {
-                         .world_content_transform;
-                     let transformed_point = match transform
-                         .inverse()
--                        .and_then(|inverted| inverted.transform_point2d(test.point))
-+                        .and_then(|inverted| inverted.transform_point2d(point))
-                     {
-                         Some(point) => point,
-                         None => {
-@@ -457,7 +462,7 @@ impl HitTester {
-                     point_in_viewport = root_node
-                         .world_viewport_transform
-                         .inverse()
--                        .and_then(|inverted| inverted.transform_point2d(test.point))
-+                        .and_then(|inverted| inverted.transform_point2d(point))
-                         .map(|pt| pt - scroll_node.external_scroll_offset);
- 
-                     current_root_spatial_node_index = root_spatial_node_index;
-@@ -470,6 +475,10 @@ impl HitTester {
-                         point_in_viewport,
-                         point_relative_to_item: point_in_layer - item.rect.origin.to_vector(),
-                     });
-+
-+                    if !test.flags.contains(HitTestFlags::FIND_ALL) {
-+                        return result;
-+                    }
-                 }
-             }
-         }
-@@ -477,24 +486,51 @@ impl HitTester {
-         result.items.dedup();
-         result
-     }
-+
-+    fn get_pipeline_root(&self, pipeline_id: PipelineId) -> &HitTestSpatialNode {
-+        &self.spatial_nodes[self.pipeline_root_nodes[&pipeline_id].0 as usize]
-+    }
-+
- }
- 
- #[derive(MallocSizeOf)]
- pub struct HitTest {
-     pipeline_id: Option<PipelineId>,
-     point: WorldPoint,
-+    flags: HitTestFlags,
- }
- 
- impl HitTest {
-     pub fn new(
-         pipeline_id: Option<PipelineId>,
-         point: WorldPoint,
-+        flags: HitTestFlags,
-     ) -> HitTest {
-         HitTest {
-             pipeline_id,
-             point,
-+            flags
-         }
-     }
-+
-+    fn get_absolute_point(&self, hit_tester: &HitTester) -> WorldPoint {
-+        if !self.flags.contains(HitTestFlags::POINT_RELATIVE_TO_PIPELINE_VIEWPORT) {
-+            return self.point;
-+        }
-+
-+        let point = LayoutPoint::new(self.point.x, self.point.y);
-+        self.pipeline_id
-+            .and_then(|id|
-+                hit_tester
-+                    .get_pipeline_root(id)
-+                    .world_viewport_transform
-+                    .transform_point2d(point)
-+            )
-+            .unwrap_or_else(|| {
-+                WorldPoint::new(self.point.x, self.point.y)
-+            })
-+    }
-+
- }
- 
- /// Collect clips for a given ClipId, convert and add them to the hit testing
-diff --git a/webrender/src/render_api.rs b/webrender/src/render_api.rs
-index b84fa2c63a..b2c8a64e88 100644
---- a/webrender/src/render_api.rs
-+++ b/webrender/src/render_api.rs
-@@ -10,6 +10,7 @@ use std::marker::PhantomData;
- use std::path::PathBuf;
- use std::sync::Arc;
- use std::u32;
-+use api::HitTestFlags;
- use time::precise_time_ns;
- //use crate::api::peek_poke::PeekPoke;
- use crate::api::channel::{Sender, single_msg_channel, unbounded_channel};
-@@ -812,7 +813,7 @@ pub enum FrameMsg {
-     ///
-     UpdateEpoch(PipelineId, Epoch),
-     ///
--    HitTest(Option<PipelineId>, WorldPoint, Sender<HitTestResult>),
-+    HitTest(Option<PipelineId>, WorldPoint, HitTestFlags, Sender<HitTestResult>),
-     ///
-     RequestHitTester(Sender<Arc<dyn ApiHitTester>>),
-     ///
-@@ -1297,12 +1298,13 @@ impl RenderApi {
-         document_id: DocumentId,
-         pipeline_id: Option<PipelineId>,
-         point: WorldPoint,
-+        flags: HitTestFlags,
-     ) -> HitTestResult {
-         let (tx, rx) = single_msg_channel();
- 
-         self.send_frame_msg(
-             document_id,
--            FrameMsg::HitTest(pipeline_id, point, tx)
-+            FrameMsg::HitTest(pipeline_id, point, flags, tx)
-         );
-         rx.recv().unwrap()
-     }
-diff --git a/webrender/src/render_backend.rs b/webrender/src/render_backend.rs
-index 96bc600484..825e981b5c 100644
---- a/webrender/src/render_backend.rs
-+++ b/webrender/src/render_backend.rs
-@@ -535,14 +535,14 @@ impl Document {
-             FrameMsg::UpdateEpoch(pipeline_id, epoch) => {
-                 self.scene.pipeline_epochs.insert(pipeline_id, epoch);
-             }
--            FrameMsg::HitTest(pipeline_id, point, tx) => {
-+            FrameMsg::HitTest(pipeline_id, point, flags, tx) => {
-                 if !self.hit_tester_is_valid {
-                     self.rebuild_hit_tester();
-                 }
- 
-                 let result = match self.hit_tester {
-                     Some(ref hit_tester) => {
--                        hit_tester.hit_test(HitTest::new(pipeline_id, point))
-+                        hit_tester.hit_test(HitTest::new(pipeline_id, point, flags))
-                     }
-                     None => HitTestResult { items: Vec::new() },
-                 };
-diff --git a/webrender_api/src/lib.rs b/webrender_api/src/lib.rs
-index 7dc887ade9..b0446c1d0b 100644
---- a/webrender_api/src/lib.rs
-+++ b/webrender_api/src/lib.rs
-@@ -278,7 +278,7 @@ pub trait ApiHitTester: Send + Sync {
-     /// hit results so that only items inside that pipeline are matched. The vector
-     /// of hit results will contain all display items that match, ordered from
-     /// front to back.
--    fn hit_test(&self, pipeline_id: Option<PipelineId>, point: WorldPoint) -> HitTestResult;
-+    fn hit_test(&self, pipeline_id: Option<PipelineId>, point: WorldPoint, flags: HitTestFlags) -> HitTestResult;
- }
- 
- /// A hit tester requested to the render backend thread but not necessarily ready yet.
-@@ -322,6 +322,17 @@ pub struct HitTestResult {
-     pub items: Vec<HitTestItem>,
- }
- 
-+bitflags! {
-+    #[derive(Deserialize, MallocSizeOf, Serialize)]
-+    ///
-+    pub struct HitTestFlags: u8 {
-+        ///
-+        const FIND_ALL = 0b00000001;
-+        ///
-+        const POINT_RELATIVE_TO_PIPELINE_VIEWPORT = 0b00000010;
-+    }
-+}
-+
- impl Drop for NotificationRequest {
-     fn drop(&mut self) {
-         if let Some(ref mut handler) = self.handler {
-diff --git a/wrench/src/main.rs b/wrench/src/main.rs
-index 7dc037ebb2..843512f595 100644
---- a/wrench/src/main.rs
-+++ b/wrench/src/main.rs
-@@ -965,6 +965,7 @@ fn render<'a>(
-                                 wrench.document_id,
-                                 None,
-                                 cursor_position,
-+                                HitTestFlags::empty(),
-                             );
- 
-                             println!("Hit test results:");
-diff --git a/wrench/src/rawtest.rs b/wrench/src/rawtest.rs
-index 580f1cb015..b86b583617 100644
---- a/wrench/src/rawtest.rs
-+++ b/wrench/src/rawtest.rs
-@@ -1393,6 +1393,7 @@ impl<'a> RawtestHarness<'a> {
-                 self.wrench.document_id,
-                 None,
-                 point,
-+                HitTetFlags::empty(),
-             )
-         };
-