From 1cb07530a95615d2bec95ac76c62617838ff0a35 Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Mon, 18 Nov 2019 23:30:33 +1100 Subject: Fix T71564: Undo stroke lags after entering sculpt mode Regression since 2.80, see: T71434 --- source/blender/editors/sculpt_paint/sculpt.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/source/blender/editors/sculpt_paint/sculpt.c b/source/blender/editors/sculpt_paint/sculpt.c index f7a5052b74a..6032c3615c6 100644 --- a/source/blender/editors/sculpt_paint/sculpt.c +++ b/source/blender/editors/sculpt_paint/sculpt.c @@ -7876,6 +7876,13 @@ static int sculpt_mode_toggle_exec(bContext *C, wmOperator *op) WM_toolsystem_update_from_context_view3d(C); + /* Without this the memfile undo step is used, + * while it works it causes lag when undoing the first undo step, see T71564. */ + wmWindowManager *wm = CTX_wm_manager(C); + if (wm->op_undo_depth <= 1) { + sculpt_undo_push_begin(op->type->name); + } + return OPERATOR_FINISHED; } -- cgit v1.2.3