From 1cfd340caeaab4f3f9ef72ac78f4486359f1fe6c Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sat, 28 Aug 2021 15:42:30 -0400
Subject: ngl: Avoid a coordinate overflow

This was showing up as big text selections going
missing sporadically.

Fixes: #4214
---
 gsk/ngl/gsknglrenderjob.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gsk/ngl/gsknglrenderjob.c b/gsk/ngl/gsknglrenderjob.c
index 532157d1be..ef4d075997 100644
--- a/gsk/ngl/gsknglrenderjob.c
+++ b/gsk/ngl/gsknglrenderjob.c
@@ -1408,7 +1408,10 @@ gsk_ngl_render_job_visit_color_node (GskNglRenderJob     *job,
   program = CHOOSE_PROGRAM (job, coloring);
   batch = gsk_ngl_command_queue_get_batch (job->command_queue);
 
-  if (batch->any.kind == GSK_NGL_COMMAND_KIND_DRAW &&
+  /* Limit the size, or we end up with a coordinate overflow somwhere. */
+  if (node->bounds.size.width < 300 &&
+      node->bounds.size.height < 300 &&
+      batch->any.kind == GSK_NGL_COMMAND_KIND_DRAW &&
       batch->any.program == program->id)
     {
       GskNglRenderOffscreen offscreen = {0};
-- 
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