From 1aa11d21e13e4a8cc6674ea65611e66bc7e8cdd0 Mon Sep 17 00:00:00 2001
From: WR Updater Bot <graphics-team@mozilla.staktrace.com>
Date: Fri, 14 Dec 2018 21:45:07 +0000
Subject: [PATCH] Bug 1514382 - Update webrender to commit
 fab59ceef070c11aba2a86c4ddf6ddc3c4e8f97d (WR PR #3417). r=kats

https://github.com/servo/webrender/pull/3417

Differential Revision: https://phabricator.services.mozilla.com/D14624

--HG--
extra : moz-landing-system : lando
---
 gfx/webrender_bindings/revision.txt   | 2 +-
 gfx/wr/webrender/src/clip.rs          | 5 +++++
 gfx/wr/webrender/src/frame_builder.rs | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/gfx/webrender_bindings/revision.txt b/gfx/webrender_bindings/revision.txt
index 45b881c8536b..8a6a63ef9787 100644
--- a/gfx/webrender_bindings/revision.txt
+++ b/gfx/webrender_bindings/revision.txt
@@ -1 +1 @@
-40aa1851b6453108d1c47a3264360362b9b2d053
+fab59ceef070c11aba2a86c4ddf6ddc3c4e8f97d
diff --git a/gfx/wr/webrender/src/clip.rs b/gfx/wr/webrender/src/clip.rs
index 25ff86c7594e..87c46a8cf957 100644
--- a/gfx/wr/webrender/src/clip.rs
+++ b/gfx/wr/webrender/src/clip.rs
@@ -696,6 +696,11 @@ impl ClipStore {
         })
     }
 
+    pub fn clear_old_instances(&mut self) {
+        self.clip_node_instances.clear();
+    }
+
+
     /// Walk the clip chain of a primitive, and calculate a minimal
     /// local clip rect for the primitive.
     #[allow(dead_code)]
diff --git a/gfx/wr/webrender/src/frame_builder.rs b/gfx/wr/webrender/src/frame_builder.rs
index 6b41bf7cb64c..d5ac824024a0 100644
--- a/gfx/wr/webrender/src/frame_builder.rs
+++ b/gfx/wr/webrender/src/frame_builder.rs
@@ -407,6 +407,7 @@ impl FrameBuilder {
             scene_properties,
             Some(&mut transform_palette),
         );
+        self.clip_store.clear_old_instances();
 
         let mut render_tasks = RenderTaskTree::new(stamp.frame_id());
         let mut surfaces = Vec::new();