Support for Batchs split by material for objects of type Curve, Surface, and Text

**ToDo:**
- add vertbuff for UV (what can be adapted from `dl_surf_to_renderdata`)

1 files changed, 9 insertions, 1 deletions

diff --git a/source/blender/draw/intern/draw_cache_impl_metaball.c b/source/blender/draw/intern/draw_cache_impl_metaball.c
index e2dba8e626e..762564cc2a5 100644
--- a/source/blender/draw/intern/draw_cache_impl_metaball.c
+++ b/source/blender/draw/intern/draw_cache_impl_metaball.c
@@ -132,7 +132,15 @@ Gwn_Batch *DRW_metaball_batch_cache_get_triangles_with_normals(Object *ob)
 	MetaBallBatchCache *cache = metaball_batch_cache_get(mb);
 
 	if (cache->batch == NULL) {
-		cache->batch = BLI_displist_batch_calc_surface(&ob->curve_cache->disp);
+		ListBase *lb = &ob->curve_cache->disp;
+		Gwn_VertBuf *verts = DRW_displist_vertbuf_calc_pos_with_normals(lb);
+		if (verts) {
+			cache->batch = GWN_batch_create_ex(
+			        GWN_PRIM_TRIS,
+			        verts,
+			        DRW_displist_indexbuf_calc_triangles_in_order(lb),
+			        GWN_BATCH_OWNS_VBO | GWN_BATCH_OWNS_INDEX);
+		}
 	}
 
 	return cache->batch;