diff options
Diffstat (limited to 'source/blender/blenkernel/intern/sequencer.c')
-rw-r--r-- | source/blender/blenkernel/intern/sequencer.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/sequencer.c b/source/blender/blenkernel/intern/sequencer.c index 2373a052f46..742b20c7de9 100644 --- a/source/blender/blenkernel/intern/sequencer.c +++ b/source/blender/blenkernel/intern/sequencer.c @@ -6046,3 +6046,26 @@ bool BKE_sequencer_check_scene_recursion(Scene *scene, ReportList *reports) return false; } + +/* Check if "seq_main" (indirectly) uses strip "seq". */ +bool BKE_sequencer_render_loop_check(Sequence *seq_main, Sequence *seq) +{ + if (seq_main == seq) { + return true; + } + + if (seq_main->seq1 && BKE_sequencer_render_loop_check(seq_main->seq1, seq) || + seq_main->seq2 && BKE_sequencer_render_loop_check(seq_main->seq2, seq) || + seq_main->seq3 && BKE_sequencer_render_loop_check(seq_main->seq3, seq)) { + return true; + } + + SequenceModifierData *smd; + for (smd = seq_main->modifiers.first; smd; smd = smd->next) { + if (smd->mask_sequence && BKE_sequencer_render_loop_check(smd->mask_sequence, seq)) { + return true; + } + } + + return false; +} |