[gtk/wip/chergert/glproto: 821/920] fix missing texture source for blit

[Christian Hergert <chergert src gnome org>]

commit 16fb99fd6e0120fe5534c60b2bd1db7188caad16
Author: Christian Hergert <chergert redhat com>
Date:   Fri Jan 29 14:01:45 2021 -0800

    fix missing texture source for blit
    
    when rendering fallback nodes, we actually forgot to set the texture id

 gsk/next/gskglrenderjob.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/gsk/next/gskglrenderjob.c b/gsk/next/gskglrenderjob.c
index 9aa46739c2..69fb8d7582 100644
--- a/gsk/next/gskglrenderjob.c
+++ b/gsk/next/gskglrenderjob.c
@@ -986,6 +986,11 @@ gsk_gl_render_job_visit_as_fallback (GskGLRenderJob *job,
                              gsk_gl_render_job_get_modelview_matrix (job),
                              gsk_gl_render_job_get_clip (job),
                              job->alpha);
+  gsk_gl_program_set_uniform_texture (job->driver->blit,
+                                      UNIFORM_SHARED_SOURCE,
+                                      GL_TEXTURE_2D,
+                                      GL_TEXTURE0,
+                                      texture_id);
   gsk_gl_render_job_draw_offscreen_rect (job, &node->bounds);
   gsk_gl_program_end_draw (job->driver->blit);
 }