1 files changed, 12 insertions, 0 deletions
diff --git a/source/blender/python/gpu/gpu_py_batch.c b/source/blender/python/gpu/gpu_py_batch.c
index 232d4775746..02bcf80aa5d 100644
--- a/source/blender/python/gpu/gpu_py_batch.c
+++ b/source/blender/python/gpu/gpu_py_batch.c
@@ -82,6 +82,18 @@ static PyObject *pygpu_batch__tp_new(PyTypeObject *UNUSED(type), PyObject *args,
   }
 
   BLI_assert(prim_type.value_found != GPU_PRIM_NONE);
+  if (prim_type.value_found == GPU_PRIM_LINE_LOOP) {
+    PyErr_WarnEx(PyExc_DeprecationWarning,
+                 "'LINE_LOOP' is deprecated. Please use 'LINE_STRIP' and close the segment.",
+                 1);
+  }
+  else if (prim_type.value_found == GPU_PRIM_TRI_FAN) {
+    PyErr_WarnEx(
+        PyExc_DeprecationWarning,
+        "'TRI_FAN' is deprecated. Please use 'TRI_STRIP' or 'TRIS' and try modifying your "
+        "vertices or indices to match the topology.",
+        1);
+  }
 
   if (py_vertbuf == NULL) {
     PyErr_Format(PyExc_TypeError, exc_str_missing_arg, _keywords[1], 2);