Fix T38846: Render layer checkbox is not refreshed.

The render operator invoke checks render layers, which can force the
render layer to be activated. This requires a notifier, which has to be
done in the operator itself (can't do this inside pipeline code).

1 files changed, 4 insertions, 1 deletions

diff --git a/source/blender/editors/render/render_internal.c b/source/blender/editors/render/render_internal.c
index e57474a0443..c922389f3cc 100644
--- a/source/blender/editors/render/render_internal.c
+++ b/source/blender/editors/render/render_internal.c
@@ -799,14 +799,17 @@ static int screen_render_invoke(bContext *C, wmOperator *op, const wmEvent *even
 	struct Object *camera_override = v3d ? V3D_CAMERA_LOCAL(v3d) : NULL;
 	const char *name;
 	ScrArea *sa;
+	bool scene_rlayer_update;
 	
 	/* only one render job at a time */
 	if (WM_jobs_test(CTX_wm_manager(C), scene, WM_JOB_TYPE_RENDER))
 		return OPERATOR_CANCELLED;
 
-	if (!RE_is_rendering_allowed(scene, camera_override, op->reports)) {
+	if (!RE_is_rendering_allowed(scene, camera_override, op->reports, &scene_rlayer_update)) {
 		return OPERATOR_CANCELLED;
 	}
+	if (scene_rlayer_update)
+		WM_event_add_notifier(C, NC_SCENE | ND_RENDER_OPTIONS, NULL);
 
 	if (!is_animation && is_write_still && BKE_imtype_is_movie(scene->r.im_format.imtype)) {
 		BKE_report(op->reports, RPT_ERROR, "Cannot write a single file with an animation format selected");