= Multires =

Fixed bug #5756, Rendering artifacts when MRM is not set to maximum

Several changes were made:
* Added function multires_level_n to get the nth level from a multires mesh
* Removed the changes I made some time ago to init_render_mesh for multires meshes. Previously it was making a full copy of the mesh object in order to be able to apply deformations to the Pin level and propagate them to the Render level.
* Added two functions to DerivedMesh.c, multires_render_pin and multires_render_final. These two functions work together in the mesh_create_derived_*_render functions to apply all modifiers to the Pin level, then create the DerivedMesh from the Render level, and lastly restore the mesh to its original (undeformed) state.
* Added a check in multires_del_lower and multires_del_higher to ensure that level indices are properly clipped to the actual range of available levels.

1 files changed, 1 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_bad_level_calls.h b/source/blender/blenkernel/BKE_bad_level_calls.h
index 90ae0c10766..5c71fb6cf31 100644
--- a/source/blender/blenkernel/BKE_bad_level_calls.h
+++ b/source/blender/blenkernel/BKE_bad_level_calls.h
@@ -199,6 +199,7 @@ void post_server_add(void);
 /* multires.c */
 struct Multires;
 struct MultiresLevel;
+struct MultiresLevel *multires_level_n(struct Multires *mr, int n);
 void multires_free(struct Multires *mr);
 void multires_set_level(void *ob, void *me_v);
 void multires_calc_level_maps(struct MultiresLevel *lvl);