Sculpt: Fix wireframe drawing

With this commit sculpt mode draws the real mesh wireframe instead of the
triangulated version by ignoring non real edges when building the PBVH GPU buffers

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D6032

1 files changed, 3 insertions, 1 deletions

diff --git a/source/blender/gpu/GPU_buffers.h b/source/blender/gpu/GPU_buffers.h
index 552bad2b0d6..6d2b0ad3be3 100644
--- a/source/blender/gpu/GPU_buffers.h
+++ b/source/blender/gpu/GPU_buffers.h
@@ -31,6 +31,7 @@ struct CCGElem;
 struct CCGKey;
 struct DMFlagMat;
 struct GSet;
+struct Mesh;
 struct MLoop;
 struct MLoopCol;
 struct MLoopTri;
@@ -49,7 +50,8 @@ GPU_PBVH_Buffers *GPU_pbvh_mesh_buffers_build(const int (*face_vert_indices)[3],
                                               const struct MLoopTri *looptri,
                                               const struct MVert *verts,
                                               const int *face_indices,
-                                              const int face_indices_len);
+                                              const int face_indices_len,
+                                              const struct Mesh *mesh);
 
 GPU_PBVH_Buffers *GPU_pbvh_grid_buffers_build(int totgrid, unsigned int **grid_hidden);