Cleanup: Fix outdated comments referring to DispList

source/blender/blenkernel/BKE_object.h

@@ -474,8 +474,8 @@ void BKE_object_handle_data_update(struct Depsgraph *depsgraph,
  */
 void BKE_object_handle_update(struct Depsgraph *depsgraph, struct Scene *scene, struct Object *ob);
 /**
- * The main object update call, for object matrix, constraints, keys and #DispList (modifiers)
+ * The main object update call, for object matrix, constraints, keys and modifiers.
- * requires flags to be set!
+ * Requires flags to be set!
  *
  * Ideally we shouldn't have to pass the rigid body world,
  * but need bigger restructuring to avoid id.

source/blender/blenkernel/intern/displist.cc

@@ -114,7 +114,6 @@ bool BKE_displist_surfindex_get(
   return true;
 }
 
-/* ****************** Make #DispList ********************* */
 #ifdef __INTEL_COMPILER
 /* ICC with the optimization -02 causes crashes. */
 #  pragma intel optimization_level 1
@@ -1334,7 +1333,7 @@ void BKE_displist_make_curveTypes(Depsgraph *depsgraph,
 
     if (geometry.has_curves()) {
       /* Create a copy of the original curve and add necessary pointers to evaluated and edit mode
-       * data. This is needed for a few reasons:
+       * data. This is neeOB_SURFded for a few reasons:
        * - Existing code from before curve evaluation was changed to use #GeometrySet expected to
        *   have a copy of the original curve data. (Any evaluated data was placed in
        *   #Object.runtime.curve_cache).
@@ -1364,7 +1363,7 @@ void BKE_displist_make_curveTypes(Depsgraph *depsgraph,
 
 void BKE_displist_minmax(const ListBase *dispbase, float min[3], float max[3])
 {
-  bool doit = false;
+  bool empty = true;
 
   LISTBASE_FOREACH (const DispList *, dl, dispbase) {
     const int tot = dl->type == DL_INDEX3 ? dl->nr : dl->nr * dl->parts;
@@ -1372,12 +1371,11 @@ void BKE_displist_minmax(const ListBase *dispbase, float min[3], float max[3])
       minmax_v3v3_v3(min, max, &dl->verts[i * 3]);
     }
     if (tot != 0) {
-      doit = true;
+      empty = false;
     }
   }
 
-  if (!doit) {
+  if (empty) {
-    /* there's no geometry in displist, use zero-sized boundbox */
     zero_v3(min);
     zero_v3(max);
   }

source/blender/blenkernel/intern/mball.cc

@@ -4,11 +4,8 @@
 /** \file
  * \ingroup bke
  *
- * MetaBalls are created from a single Object (with a name without number in it),
+ * MetaBalls are created from a single Object (with a name without number in it).
- * here the DispList and BoundBox also is located.
  * All objects with the same name (but with a number in it) are added to this.
- *
- * texture coordinates are patched within the displist
  */
 
 #include <cctype>

source/blender/blenkernel/intern/scene.cc

@@ -2591,7 +2591,7 @@ static void scene_graph_update_tagged(Depsgraph *depsgraph, Main *bmain, bool on
     // DEG_debug_graph_relations_validate(depsgraph, bmain, scene);
     /* Flush editing data if needed. */
     prepare_mesh_for_viewport_render(bmain, view_layer);
-    /* Update all objects: drivers, matrices, #DispList, etc. flags set
+    /* Update all objects: drivers, matrices, etc. flags set
      * by depsgraph or manual, no layer check here, gets correct flushed. */
     DEG_evaluate_on_refresh(depsgraph);
     /* Update sound system. */
@@ -2666,7 +2666,7 @@ void BKE_scene_graph_update_for_newframe_ex(Depsgraph *depsgraph, const bool cle
     BKE_image_editors_update_frame(bmain, scene->r.cfra);
     BKE_sound_set_cfra(scene->r.cfra);
     DEG_graph_relations_update(depsgraph);
-    /* Update all objects: drivers, matrices, #DispList, etc. flags set
+    /* Update all objects: drivers, matrices, etc. flags set
      * by depsgraph or manual, no layer check here, gets correct flushed.
      *
      * NOTE: Only update for new frame on first iteration. Second iteration is for ensuring user

source/blender/blenloader/intern/versioning_250.c

@@ -989,7 +989,7 @@ void blo_do_versions_250(FileData *fd, Library *lib, Main *bmain)
     int a, tot;
 
     /* shape keys are no longer applied to the mesh itself, but rather
-     * to the evaluated #Mesh / #DispList, so here we ensure that the basis
+     * to the evaluated #Mesh, so here we ensure that the basis
      * shape key is always set in the mesh coordinates. */
     for (me = bmain->meshes.first; me; me = me->id.next) {
       if ((key = blo_do_versions_newlibadr(fd, lib, me->key)) && key->refkey) {

source/blender/depsgraph/intern/node/deg_node.h

@@ -64,7 +64,7 @@ enum class NodeType {
   ANIMATION,
   /* Transform Component (Parenting/Constraints) */
   TRANSFORM,
-  /* Geometry Component (#Mesh / #DispList) */
+  /* Geometry Component (#Mesh, #Curves, etc.) */
   GEOMETRY,
   /* Sequencer Component (Scene Only) */
   SEQUENCER,

source/blender/draw/intern/draw_cache_impl_lattice.c

@@ -27,12 +27,6 @@
 
 #define SELECT 1
 
-/**
- * TODO
- * - 'DispList' is currently not used
- *   (we could avoid using since it will be removed)
- */
-
 static void lattice_batch_cache_clear(Lattice *lt);
 
 /* ---------------------------------------------------------------------- */

source/blender/editors/object/object_add.cc

@@ -3237,7 +3237,7 @@ static int object_convert_exec(bContext *C, wmOperator *op)
         /* No assumption should be made that the resulting objects is a mesh, as conversion can
          * fail. */
         object_data_convert_curve_to_mesh(bmain, depsgraph, newob);
-        /* meshes doesn't use displist */
+        /* Meshes doesn't use the "curve cache". */
         BKE_object_free_curve_cache(newob);
       }
       else if (target == OB_GPENCIL) {
@@ -3272,7 +3272,7 @@ static int object_convert_exec(bContext *C, wmOperator *op)
         /* No assumption should be made that the resulting objects is a mesh, as conversion can
          * fail. */
         object_data_convert_curve_to_mesh(bmain, depsgraph, newob);
-        /* meshes doesn't use displist */
+        /* Meshes don't use the "curve cache". */
         BKE_object_free_curve_cache(newob);
       }
       else if (target == OB_GPENCIL) {

source/blender/makesrna/intern/rna_curve.c

@@ -437,7 +437,7 @@ static void rna_Curve_bevelObject_set(PointerRNA *ptr,
 
   if (ob) {
     /* If bevel object has got the save curve, as object, for which it's set as bevobj,
-     * there could be infinity loop in #DispList calculation. */
+     * there could be an infinite loop in curve evaluation. */
     if (ob->type == OB_CURVES_LEGACY && ob->data != cu) {
       cu->bevobj = ob;
       id_lib_extern((ID *)ob);
@@ -512,7 +512,7 @@ static void rna_Curve_taperObject_set(PointerRNA *ptr,
 
   if (ob) {
     /* If taper object has got the save curve, as object, for which it's set as bevobj,
-     * there could be infinity loop in #DispList calculation. */
+     * there could be an infinite loop in curve evaluation. */
     if (ob->type == OB_CURVES_LEGACY && ob->data != cu) {
       cu->taperobj = ob;
       id_lib_extern((ID *)ob);