[gtk/wip/baedert/for-master] gl: Imply that node_supports_transforms() means 2D transforms

[Timm Bäder <baedert src gnome org>]

commit 3e6b548f0d1efa74823e2b4f9ea99512e0e676f9
Author: Timm Bäder <mail baedert org>
Date:   Fri Dec 10 20:07:39 2021 +0100

    gl: Imply that node_supports_transforms() means 2D transforms
    
    Fixes #4501

 gsk/gl/gskglrenderjob.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)
---
diff --git a/gsk/gl/gskglrenderjob.c b/gsk/gl/gskglrenderjob.c
index 1862191118..bc88dc5fb7 100644
--- a/gsk/gl/gskglrenderjob.c
+++ b/gsk/gl/gskglrenderjob.c
@@ -2017,16 +2017,17 @@ gsk_gl_render_job_visit_transform_node (GskGLRenderJob      *job,
     break;
 
     case GSK_TRANSFORM_CATEGORY_2D:
-    case GSK_TRANSFORM_CATEGORY_3D:
-    case GSK_TRANSFORM_CATEGORY_ANY:
-    case GSK_TRANSFORM_CATEGORY_UNKNOWN:
       if (node_supports_transform (child))
         {
           gsk_gl_render_job_push_modelview (job, transform);
           gsk_gl_render_job_visit_node (job, child);
           gsk_gl_render_job_pop_modelview (job);
+          return;
         }
-      else
+      G_GNUC_FALLTHROUGH;
+    case GSK_TRANSFORM_CATEGORY_3D:
+    case GSK_TRANSFORM_CATEGORY_ANY:
+    case GSK_TRANSFORM_CATEGORY_UNKNOWN:
         {
           GskGLRenderOffscreen offscreen = {0};
           float sx = 1, sy  = 1;