Changing render engine now refreshes the texture paint display better.

Also avoid looping over all objects for texture paint checks when a
material changes, only check active object.

1 files changed, 5 insertions, 6 deletions

diff --git a/source/blender/editors/render/render_update.c b/source/blender/editors/render/render_update.c
index 8a034fdd8b5..6b58d3d55aa 100644
--- a/source/blender/editors/render/render_update.c
+++ b/source/blender/editors/render/render_update.c
@@ -177,12 +177,11 @@ void ED_render_engine_changed(Main *bmain)
 	for (scene = bmain->scene.first; scene; scene = scene->id.next)
 		ED_render_id_flush_update(bmain, &scene->id);
 
-	/* reset texture painting */
-	for (ma = bmain->mat.first; ma; ma = ma->id.next) {
-		if (ma->texpaintslot) {
-			BKE_texpaint_slots_clear(ma);
-			DAG_id_tag_update(&ma->id, 0);
-		}
+	/* reset texture painting. Sending one dependency graph signal for any material should
+	 * refresh any texture slots */
+	ma = bmain->mat.first;
+	if (ma) {
+		DAG_id_tag_update(&ma->id, 0);
 	}
 }