From 4d0f7c320c29bcb5dcf4435a0740822d00d35493 Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Tue, 8 Nov 2016 17:54:14 +0100 Subject: Depsgraph: Use atomics to tag ID when evaluating driver This is required since new dependency graph evaluates drivers in threads so it was possible to have some partially written ID tag there. --- source/blender/blenkernel/intern/library.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'source/blender/blenkernel/intern/library.c') diff --git a/source/blender/blenkernel/intern/library.c b/source/blender/blenkernel/intern/library.c index 5d28a84ef18..5d23788f6f7 100644 --- a/source/blender/blenkernel/intern/library.c +++ b/source/blender/blenkernel/intern/library.c @@ -129,6 +129,8 @@ #include "IMB_imbuf.h" #include "IMB_imbuf_types.h" +#include "atomic_ops.h" + /* GS reads the memory pointed at in a specific ordering. * only use this definition, makes little and big endian systems * work fine, in conjunction with MAKE_ID */ @@ -1895,3 +1897,13 @@ void BKE_library_filepath_set(Library *lib, const char *filepath) BLI_path_abs(lib->filepath, basepath); } } + +void BKE_id_tag_set_atomic(ID *id, int tag) +{ + atomic_fetch_and_or_uint32((uint32_t *)&id->tag, tag); +} + +void BKE_id_tag_clear_atomic(ID *id, int tag) +{ + atomic_fetch_and_and_uint32((uint32_t *)&id->tag, ~tag); +} -- cgit v1.2.3