[gtk/backports-for-4-4: 7/19] ngl: Avoid a coordinate overflow

[Matthias Clasen <matthiasc src gnome org>]

commit cb82990a8281458a7fbcecb114689146c9cc5c40
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 28 15:42:30 2021 -0400

    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};