Overlay Engine: Option to Disable AA Ortho Grid

When in Axis alligned orthographic view a grid was always displayed.
With this change the user can enable/disable this grid.

The Grid is always visible and editable, but only rendered active when user is in quad view, or axis aligned ortho view.

Reviewers: brecht, fclem

Maniphest Tasks: T63517

Differential Revision: https://developer.blender.org/D4699

1 files changed, 12 insertions, 0 deletions

diff --git a/source/blender/blenloader/intern/versioning_280.c b/source/blender/blenloader/intern/versioning_280.c
index a68da431d57..523e0b3d340 100644
--- a/source/blender/blenloader/intern/versioning_280.c
+++ b/source/blender/blenloader/intern/versioning_280.c
@@ -3116,6 +3116,18 @@ void blo_do_versions_280(FileData *fd, Library *UNUSED(lib), Main *bmain)
         }
       }
     }
+
+    /* enable the axis aligned ortho grid by default */
+    for (bScreen *screen = bmain->screens.first; screen; screen = screen->id.next) {
+      for (ScrArea *area = screen->areabase.first; area; area = area->next) {
+        for (SpaceLink *sl = area->spacedata.first; sl; sl = sl->next) {
+          if (sl->spacetype == SPACE_VIEW3D) {
+            View3D *v3d = (View3D *)sl;
+            v3d->gridflag |= V3D_SHOW_ORTHO_GRID;
+          }
+        }
+      }
+    }
   }
 
   {