Cleanup: nuke (nearly) all remaining usages of DM from RNA.

Only case remaining is a nasty ccgdm/opensubdiv update case, TBD once
subsurf case is addressed.

source/blender/makesrna/intern/rna_main_api.c

@@ -53,7 +53,6 @@
 #include "BKE_camera.h"
 #include "BKE_collection.h"
 #include "BKE_curve.h"
-#include "BKE_DerivedMesh.h"
 #include "BKE_displist.h"
 #include "BKE_mesh.h"
 #include "BKE_armature.h"

source/blender/makesrna/intern/rna_object_api.c

@@ -68,7 +68,6 @@ static const EnumPropertyItem space_items[] = {
 
 #include "BKE_anim.h"
 #include "BKE_bvhutils.h"
-#include "BKE_cdderivedmesh.h"
 #include "BKE_constraint.h"
 #include "BKE_context.h"
 #include "BKE_customdata.h"
@@ -289,9 +288,9 @@ static void rna_Mesh_assign_verts_to_group(Object *ob, bDeformGroup *group, int
 #endif
 
 /* don't call inside a loop */
-static int dm_looptri_to_poly_index(DerivedMesh *dm, const MLoopTri *lt)
+static int mesh_looptri_to_poly_index(Mesh *me_eval, const MLoopTri *lt)
 {
-	const int *index_mp_to_orig = dm->getPolyDataArray(dm, CD_ORIGINDEX);
+	const int *index_mp_to_orig = CustomData_get_layer(&me_eval->pdata, CD_ORIGINDEX);
 	return index_mp_to_orig ? index_mp_to_orig[lt->poly] : lt->poly;
 }
 
@@ -302,7 +301,7 @@ static void rna_Object_ray_cast(
 {
 	bool success = false;
 
-	if (ob->derivedFinal == NULL) {
+	if (ob->runtime.mesh_eval == NULL) {
 		BKE_reportf(reports, RPT_ERROR, "Object '%s' has no mesh data to be used for ray casting", ob->id.name + 2);
 		return;
 	}
@@ -315,7 +314,7 @@ static void rna_Object_ray_cast(
 		BVHTreeFromMesh treeData = {NULL};
 
 		/* no need to managing allocation or freeing of the BVH data. this is generated and freed as needed */
-		bvhtree_from_mesh_get(&treeData, ob->derivedFinal, BVHTREE_FROM_LOOPTRI, 4);
+		BKE_bvhtree_from_mesh_get(&treeData, ob->runtime.mesh_eval, BVHTREE_FROM_LOOPTRI, 4);
 
 		/* may fail if the mesh has no faces, in that case the ray-cast misses */
 		if (treeData.tree != NULL) {
@@ -335,7 +334,7 @@ static void rna_Object_ray_cast(
 
 					copy_v3_v3(r_location, hit.co);
 					copy_v3_v3(r_normal, hit.no);
-					*r_index = dm_looptri_to_poly_index(ob->derivedFinal, &treeData.looptri[hit.index]);
+					*r_index = mesh_looptri_to_poly_index(ob->runtime.mesh_eval, &treeData.looptri[hit.index]);
 				}
 			}
 
@@ -357,14 +356,14 @@ static void rna_Object_closest_point_on_mesh(
 {
 	BVHTreeFromMesh treeData = {NULL};
 
-	if (ob->derivedFinal == NULL) {
+	if (ob->runtime.mesh_eval == NULL) {
 		BKE_reportf(reports, RPT_ERROR, "Object '%s' has no mesh data to be used for finding nearest point",
 		            ob->id.name + 2);
 		return;
 	}
 
 	/* no need to managing allocation or freeing of the BVH data. this is generated and freed as needed */
-	bvhtree_from_mesh_get(&treeData, ob->derivedFinal, BVHTREE_FROM_LOOPTRI, 4);
+	BKE_bvhtree_from_mesh_get(&treeData, ob->runtime.mesh_eval, BVHTREE_FROM_LOOPTRI, 4);
 
 	if (treeData.tree == NULL) {
 		BKE_reportf(reports, RPT_ERROR, "Object '%s' could not create internal data for finding nearest point",
@@ -382,7 +381,7 @@ static void rna_Object_closest_point_on_mesh(
 
 			copy_v3_v3(r_location, nearest.co);
 			copy_v3_v3(r_normal, nearest.no);
-			*r_index = dm_looptri_to_poly_index(ob->derivedFinal, &treeData.looptri[nearest.index]);
+			*r_index = mesh_looptri_to_poly_index(ob->runtime.mesh_eval, &treeData.looptri[nearest.index]);
 
 			goto finally;
 		}
@@ -409,10 +408,12 @@ static int rna_Object_is_deform_modified(Object *ob, Scene *scene, int settings)
 }
 
 #ifndef NDEBUG
-void rna_Object_dm_info(struct Object *ob, int type, char *result)
+
+#include "BKE_mesh_runtime.h"
+
+void rna_Object_me_eval_info(struct Object *ob, int type, char *result)
 {
-	DerivedMesh *dm = NULL;
-	bool dm_release = false;
+	Mesh *me_eval = NULL;
 	char *ret = NULL;
 
 	result[0] = '\0';
@@ -420,24 +421,19 @@ void rna_Object_dm_info(struct Object *ob, int type, char *result)
 	switch (type) {
 		case 0:
 			if (ob->type == OB_MESH) {
-				dm = CDDM_from_mesh(ob->data);
-				ret = DM_debug_info(dm);
-				dm_release = true;
+				me_eval = ob->data;
 			}
 			break;
 		case 1:
-			dm = ob->derivedDeform;
+			me_eval = ob->runtime.mesh_deform_eval;
 			break;
 		case 2:
-			dm = ob->derivedFinal;
+			me_eval = ob->runtime.mesh_eval;
 			break;
 	}
 
-	if (dm) {
-		ret = DM_debug_info(dm);
-		if (dm_release) {
-			dm->release(dm);
-		}
+	if (me_eval) {
+		ret = BKE_mesh_runtime_debug_info(me_eval);
 		if (ret) {
 			strcpy(result, ret);
 			MEM_freeN(ret);
@@ -664,7 +660,7 @@ void RNA_api_object(StructRNA *srna)
 
 #ifndef NDEBUG
 	/* mesh */
-	func = RNA_def_function(srna, "dm_info", "rna_Object_dm_info");
+	func = RNA_def_function(srna, "dm_info", "rna_Object_me_eval_info");
 	RNA_def_function_ui_description(func, "Returns a string for derived mesh data");
 
 	parm = RNA_def_enum(func, "type", mesh_dm_info_items, 0, "", "Modifier settings to apply");

source/blender/makesrna/intern/rna_particle.c

@@ -139,8 +139,6 @@ static const EnumPropertyItem part_hair_ren_as_items[] = {
 #include "BKE_cloth.h"
 #include "BKE_colortools.h"
 #include "BKE_deform.h"
-#include "BKE_DerivedMesh.h"
-#include "BKE_cdderivedmesh.h"
 #include "BKE_effect.h"
 #include "BKE_material.h"
 #include "BKE_modifier.h"

source/blender/makesrna/intern/rna_sculpt_paint.c

@@ -104,7 +104,6 @@ const EnumPropertyItem rna_enum_symmetrize_direction_items[] = {
 #include "MEM_guardedalloc.h"
 
 #include "BKE_context.h"
-#include "BKE_DerivedMesh.h"
 #include "BKE_particle.h"
 #include "BKE_pbvh.h"
 #include "BKE_pointcache.h"