GPencil: Refactor of Draw Engine, Vertex Paint and all internal functions

This commit is a full refactor of the grease pencil modules including Draw Engine, Modifiers, VFX, depsgraph update, improvements in operators and conversion of Sculpt and Weight paint tools to real brushes.

Also, a huge code cleanup has been done at all levels.

Thanks to @fclem for his work and yo @pepeland and @mendio for the testing and help in the development.

Differential Revision: https://developer.blender.org/D6293

1 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/paint_toolslots.c b/source/blender/blenkernel/intern/paint_toolslots.c
index e9601109fd5..7e58bf1eb8b 100644
--- a/source/blender/blenkernel/intern/paint_toolslots.c
+++ b/source/blender/blenkernel/intern/paint_toolslots.c
@@ -82,6 +82,15 @@ void BKE_paint_toolslots_init_from_main(struct Main *bmain)
     if (ts->gp_paint) {
       paint_toolslots_init(bmain, &ts->gp_paint->paint);
     }
+    if (ts->gp_vertexpaint) {
+      paint_toolslots_init(bmain, &ts->gp_vertexpaint->paint);
+    }
+    if (ts->gp_sculptpaint) {
+      paint_toolslots_init(bmain, &ts->gp_sculptpaint->paint);
+    }
+    if (ts->gp_weightpaint) {
+      paint_toolslots_init(bmain, &ts->gp_weightpaint->paint);
+    }
   }
 }