diff options
| -rw-r--r-- | source/blender/draw/intern/draw_cache_impl_mesh.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source/blender/draw/intern/draw_cache_impl_mesh.c b/source/blender/draw/intern/draw_cache_impl_mesh.c index 88ac20b7532..bb171565f59 100644 --- a/source/blender/draw/intern/draw_cache_impl_mesh.c +++ b/source/blender/draw/intern/draw_cache_impl_mesh.c @@ -1142,11 +1142,12 @@ static MeshRenderData *mesh_render_data_create_ex(Mesh *me, rdata->cd.layers.tangent_len); int i_dst = 0; + int act_tan = rdata->cd.layers.tangent_active; for (int i_src = 0; i_src < cd_layers_src.uv_len; i_src++, i_dst++) { if ((cd_used->tan & (1 << i_src)) == 0) { i_dst--; if (rdata->cd.layers.tangent_active >= i_src) { - rdata->cd.layers.tangent_active--; + act_tan--; } } else { @@ -1170,6 +1171,11 @@ static MeshRenderData *mesh_render_data_create_ex(Mesh *me, } } } + if (rdata->cd.layers.tangent_active != -1) { + /* Actual active UV slot inside uv layers used for shading. */ + rdata->cd.layers.tangent_active = act_tan; + } + if (cd_used->tan_orco != 0) { const char *name = CustomData_get_layer_name(&rdata->cd.output.ldata, CD_TANGENT, i_dst); uint hash = BLI_ghashutil_strhash_p(name); |