Add draw manager sync callbacks

3 files changed, 23 insertions, 0 deletions

diff --git a/source/blender/draw/intern/draw_manager.c b/source/blender/draw/intern/draw_manager.c
index 3be2ddf5173..813189c0cfc 100644
--- a/source/blender/draw/intern/draw_manager.c
+++ b/source/blender/draw/intern/draw_manager.c
@@ -1001,6 +1001,8 @@ static void drw_engines_init(void)
 
 static void drw_engines_cache_init(void)
 {
+  DRW_manager_begin_sync();
+
   DRW_ENABLED_ENGINE_ITER (DST.view_data_active, engine, data) {
     if (data->text_draw_cache) {
       DRW_text_cache_destroy(data->text_draw_cache);
@@ -1072,6 +1074,8 @@ static void drw_engines_cache_finish(void)
       engine->cache_finish(data);
     }
   }
+
+  DRW_manager_end_sync();
 }
 
 static void drw_engines_draw_scene(void)
diff --git a/source/blender/draw/intern/draw_manager.h b/source/blender/draw/intern/draw_manager.h
index a29f2fa7507..83ebe1b3c3b 100644
--- a/source/blender/draw/intern/draw_manager.h
+++ b/source/blender/draw/intern/draw_manager.h
@@ -694,6 +694,9 @@ bool drw_engine_data_engines_data_validate(GPUViewport *viewport, void **engine_
 void drw_engine_data_cache_release(GPUViewport *viewport);
 void drw_engine_data_free(GPUViewport *viewport);
 
+void DRW_manager_begin_sync(void);
+void DRW_manager_end_sync(void);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/blender/draw/intern/draw_view_data.cc b/source/blender/draw/intern/draw_view_data.cc
index b8131b06d06..38cfed00c2a 100644
--- a/source/blender/draw/intern/draw_view_data.cc
+++ b/source/blender/draw/intern/draw_view_data.cc
@@ -257,3 +257,19 @@ draw::ObjectRef DRW_object_ref_get(Object *object)
   BLI_assert(DST.view_data_active->manager);
   return {object, DST.dupli_source, DST.dupli_parent};
 }
+
+void DRW_manager_begin_sync()
+{
+  if (DST.view_data_active->manager == nullptr) {
+    return;
+  }
+  reinterpret_cast<draw::Manager *>(DST.view_data_active->manager)->begin_sync();
+}
+
+void DRW_manager_end_sync()
+{
+  if (DST.view_data_active->manager == nullptr) {
+    return;
+  }
+  reinterpret_cast<draw::Manager *>(DST.view_data_active->manager)->end_sync();
+}