Viewport normal drawing with constant length

Patch for: T37878

{F10169694}

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D11487

2 files changed, 15 insertions, 0 deletions

diff --git a/source/blender/blenloader/intern/versioning_300.c b/source/blender/blenloader/intern/versioning_300.c
index f1f7f2edd35..7df4d2d93ec 100644
--- a/source/blender/blenloader/intern/versioning_300.c
+++ b/source/blender/blenloader/intern/versioning_300.c
@@ -708,5 +708,19 @@ void blo_do_versions_300(FileData *fd, Library *UNUSED(lib), Main *bmain)
    */
   {
     /* Keep this block, even when empty. */
+
+    if (!DNA_struct_elem_find(
+            fd->filesdna, "View3DOverlay", "float", "normals_constant_screen_size")) {
+      LISTBASE_FOREACH (bScreen *, screen, &bmain->screens) {
+        LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
+          LISTBASE_FOREACH (SpaceLink *, sl, &area->spacedata) {
+            if (sl->spacetype == SPACE_VIEW3D) {
+              View3D *v3d = (View3D *)sl;
+              v3d->overlay.normals_constant_screen_size = 7.0f;
+            }
+          }
+        }
+      }
+    }
   }
 }
diff --git a/source/blender/blenloader/intern/versioning_defaults.c b/source/blender/blenloader/intern/versioning_defaults.c
index 7ff624b44da..82c577d11a0 100644
--- a/source/blender/blenloader/intern/versioning_defaults.c
+++ b/source/blender/blenloader/intern/versioning_defaults.c
@@ -190,6 +190,7 @@ static void blo_update_defaults_screen(bScreen *screen,
       }
       /* Disable Curve Normals. */
       v3d->overlay.edit_flag &= ~V3D_OVERLAY_EDIT_CU_NORMALS;
+      v3d->overlay.normals_constant_screen_size = 7.0f;
     }
     else if (area->spacetype == SPACE_CLIP) {
       SpaceClip *sclip = area->spacedata.first;