[Bf-blender-cvs] [1cf592e62e3] master: Fix T58748 Mirror modifier: edges/verts invisible unless face is present

[Clément Foucault]

Commit: 1cf592e62e31040628afaf4352e880a452b63756
Author: Clément Foucault
Date:   Wed Mar 20 20:07:12 2019 +0100
Branches: master
https://developer.blender.org/rB1cf592e62e31040628afaf4352e880a452b63756

Fix T58748 Mirror modifier: edges/verts invisible unless face is present

It was due to the mapped mesh not being used if no face was present in the
cage mesh.

===================================================================

M	source/blender/draw/intern/draw_cache_impl_mesh.c

===================================================================

diff --git a/source/blender/draw/intern/draw_cache_impl_mesh.c b/source/blender/draw/intern/draw_cache_impl_mesh.c
index 4e064111245..89972d03758 100644
--- a/source/blender/draw/intern/draw_cache_impl_mesh.c
+++ b/source/blender/draw/intern/draw_cache_impl_mesh.c
@@ -634,8 +634,8 @@ static MeshRenderData *mesh_render_data_create_ex(
 			rdata->mapped.l_origindex = CustomData_get_layer(&me_cage->ldata, CD_ORIGINDEX);
 			rdata->mapped.p_origindex = CustomData_get_layer(&me_cage->pdata, CD_ORIGINDEX);
 			rdata->mapped.supported = (
-			        rdata->mapped.v_origindex &&
-			        rdata->mapped.e_origindex &&
+			        rdata->mapped.v_origindex ||
+			        rdata->mapped.e_origindex ||
 			        rdata->mapped.p_origindex);
 		}