Workspaces: active view layer now always comes from workspace, not scene.

Both the scene and workspace had an active view layer, and it was confusing
which settings were being used or displayed where. Now we always have one,
so there is no mismatch.

The "View Layers" tab in the properties editor is now "View Layer", no longer
showing a list of layers. Instead view layers can be added and removed with
the workspace view layer selector. They are also listed and selectable in the
outliner.

Single layer rendering uses the active view layer from the workspace.

This fixes bugs where the wrong active view layer was used, but more places
remain that are wrong and are now using the first view layer in the scene.
These are all marked with BKE_view_layer_context_active_PLACEHOLDER.

1 files changed, 1 insertions, 2 deletions

diff --git a/source/blender/editors/scene/scene_edit.c b/source/blender/editors/scene/scene_edit.c
index 58a58ef8172..b6608ce600f 100644
--- a/source/blender/editors/scene/scene_edit.c
+++ b/source/blender/editors/scene/scene_edit.c
@@ -117,7 +117,7 @@ bool ED_scene_delete(bContext *C, Main *bmain, wmWindow *win, Scene *scene)
 static ViewLayer *scene_change_get_new_view_layer(const WorkSpace *workspace, const Scene *scene_new)
 {
 	ViewLayer *layer_new = BKE_workspace_view_layer_get(workspace, scene_new);
-	return layer_new ? layer_new : BKE_view_layer_from_scene_get(scene_new);
+	return layer_new ? layer_new : BKE_view_layer_default_view(scene_new);
 }
 
 void ED_scene_change_update(
@@ -200,7 +200,6 @@ bool ED_scene_view_layer_delete(
 
 	BLI_remlink(&scene->view_layers, layer);
 	BLI_assert(BLI_listbase_is_empty(&scene->view_layers) == false);
-	scene->active_view_layer = 0;
 
 	ED_workspace_view_layer_unset(bmain, scene, layer, scene->view_layers.first);
 	BKE_workspace_view_layer_remove_references(bmain, layer);