From 6203cecf97eb33b7349abc80dc0af50fc4f602dc Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Thu, 13 Feb 2020 01:53:12 +0100
Subject: [PATCH] gsk: Clip shadow node before push_group()

We want to be sure to push a group that's as small as possible, so we
clip to the child's bounds, because that's the smallest we can go.
---
 gsk/gskrendernodeimpl.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gsk/gskrendernodeimpl.c b/gsk/gskrendernodeimpl.c
index d8bec7047e..aad1fa59ef 100644
--- a/gsk/gskrendernodeimpl.c
+++ b/gsk/gskrendernodeimpl.c
@@ -2899,9 +2899,14 @@ gsk_shadow_node_draw (GskRenderNode *node,
   cairo_pattern_t *pattern;
   gsize i;
 
+  cairo_save (cr);
+  /* clip so the push_group() creates a small surface */
+  gsk_cairo_rectangle (cr, &self->child->bounds);
+  cairo_clip (cr);
   cairo_push_group (cr);
   gsk_render_node_draw (self->child, cr);
   pattern = cairo_pop_group (cr);
+  cairo_restore (cr);
 
   for (i = 0; i < self->n_shadows; i++)
     {