[gtk/wip/chergert/glproto: 336/526] use offscreen to flip-y, similar to gl renderer

[Christian Hergert <chergert src gnome org>]

commit 1d433d4f18e7e54f55f35ce63fd6f3043e1f311d
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 27 20:33:27 2021 -0800

    use offscreen to flip-y, similar to gl renderer

 gsk/next/gskglrenderjob.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gsk/next/gskglrenderjob.c b/gsk/next/gskglrenderjob.c
index 4ebf4e1df3..20005f852a 100644
--- a/gsk/next/gskglrenderjob.c
+++ b/gsk/next/gskglrenderjob.c
@@ -1483,7 +1483,7 @@ gsk_gl_render_job_visit_rounded_clip_node (GskGLRenderJob *job,
                                           GL_TEXTURE_2D,
                                           GL_TEXTURE0,
                                           offscreen.texture_id);
-      gsk_gl_render_job_draw_offscreen_rect (job, &node->bounds);
+      gsk_gl_render_job_load_vertices_from_offscreen (job, &node->bounds, &offscreen);
       gsk_gl_program_end_draw (job->driver->blit);
     }
 }