diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_legacy_convert.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh_legacy_convert.cc | 189 |
1 files changed, 111 insertions, 78 deletions
diff --git a/source/blender/blenkernel/intern/mesh_legacy_convert.cc b/source/blender/blenkernel/intern/mesh_legacy_convert.cc index feb40808704..23426f8c087 100644 --- a/source/blender/blenkernel/intern/mesh_legacy_convert.cc +++ b/source/blender/blenkernel/intern/mesh_legacy_convert.cc @@ -530,6 +530,115 @@ static void convert_mfaces_to_mpolys(ID *id, #undef ME_FGON } +static void update_active_fdata_layers(CustomData *fdata, CustomData *ldata) +{ + int act; + + if (CustomData_has_layer(ldata, CD_MLOOPUV)) { + act = CustomData_get_active_layer(ldata, CD_MLOOPUV); + CustomData_set_layer_active(fdata, CD_MTFACE, act); + + act = CustomData_get_render_layer(ldata, CD_MLOOPUV); + CustomData_set_layer_render(fdata, CD_MTFACE, act); + + act = CustomData_get_clone_layer(ldata, CD_MLOOPUV); + CustomData_set_layer_clone(fdata, CD_MTFACE, act); + + act = CustomData_get_stencil_layer(ldata, CD_MLOOPUV); + CustomData_set_layer_stencil(fdata, CD_MTFACE, act); + } + + if (CustomData_has_layer(ldata, CD_PROP_BYTE_COLOR)) { + act = CustomData_get_active_layer(ldata, CD_PROP_BYTE_COLOR); + CustomData_set_layer_active(fdata, CD_MCOL, act); + + act = CustomData_get_render_layer(ldata, CD_PROP_BYTE_COLOR); + CustomData_set_layer_render(fdata, CD_MCOL, act); + + act = CustomData_get_clone_layer(ldata, CD_PROP_BYTE_COLOR); + CustomData_set_layer_clone(fdata, CD_MCOL, act); + + act = CustomData_get_stencil_layer(ldata, CD_PROP_BYTE_COLOR); + CustomData_set_layer_stencil(fdata, CD_MCOL, act); + } +} + +#ifndef NDEBUG +/** + * Debug check, used to assert when we expect layers to be in/out of sync. + * + * \param fallback: Use when there are no layers to handle, + * since callers may expect success or failure. + */ +static bool check_matching_legacy_layer_counts(CustomData *fdata, CustomData *ldata, bool fallback) +{ + int a_num = 0, b_num = 0; +# define LAYER_CMP(l_a, t_a, l_b, t_b) \ + ((a_num += CustomData_number_of_layers(l_a, t_a)) == \ + (b_num += CustomData_number_of_layers(l_b, t_b))) + + if (!LAYER_CMP(ldata, CD_MLOOPUV, fdata, CD_MTFACE)) { + return false; + } + if (!LAYER_CMP(ldata, CD_PROP_BYTE_COLOR, fdata, CD_MCOL)) { + return false; + } + if (!LAYER_CMP(ldata, CD_PREVIEW_MLOOPCOL, fdata, CD_PREVIEW_MCOL)) { + return false; + } + if (!LAYER_CMP(ldata, CD_ORIGSPACE_MLOOP, fdata, CD_ORIGSPACE)) { + return false; + } + if (!LAYER_CMP(ldata, CD_NORMAL, fdata, CD_TESSLOOPNORMAL)) { + return false; + } + if (!LAYER_CMP(ldata, CD_TANGENT, fdata, CD_TANGENT)) { + return false; + } + +# undef LAYER_CMP + + /* if no layers are on either CustomData's, + * then there was nothing to do... */ + return a_num ? true : fallback; +} +#endif + +static void add_mface_layers(CustomData *fdata, CustomData *ldata, int total) +{ + /* avoid accumulating extra layers */ + BLI_assert(!check_matching_legacy_layer_counts(fdata, ldata, false)); + + for (int i = 0; i < ldata->totlayer; i++) { + if (ldata->layers[i].type == CD_MLOOPUV) { + CustomData_add_layer_named( + fdata, CD_MTFACE, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); + } + if (ldata->layers[i].type == CD_PROP_BYTE_COLOR) { + CustomData_add_layer_named( + fdata, CD_MCOL, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); + } + else if (ldata->layers[i].type == CD_PREVIEW_MLOOPCOL) { + CustomData_add_layer_named( + fdata, CD_PREVIEW_MCOL, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); + } + else if (ldata->layers[i].type == CD_ORIGSPACE_MLOOP) { + CustomData_add_layer_named( + fdata, CD_ORIGSPACE, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); + } + else if (ldata->layers[i].type == CD_NORMAL) { + CustomData_add_layer_named( + fdata, CD_TESSLOOPNORMAL, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); + } + else if (ldata->layers[i].type == CD_TANGENT) { + CustomData_add_layer_named( + fdata, CD_TANGENT, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); + } + } + + update_active_fdata_layers(fdata, ldata); +} + static void mesh_ensure_tessellation_customdata(Mesh *me) { if (UNLIKELY((me->totface != 0) && (me->totpoly == 0))) { @@ -548,7 +657,7 @@ static void mesh_ensure_tessellation_customdata(Mesh *me) if (tottex_tessface != tottex_original || totcol_tessface != totcol_original) { BKE_mesh_tessface_clear(me); - BKE_mesh_add_mface_layers(&me->fdata, &me->ldata, me->totface); + add_mface_layers(&me->fdata, &me->ldata, me->totface); /* TODO: add some `--debug-mesh` option. */ if (G.debug & G_DEBUG) { @@ -1036,7 +1145,7 @@ static int mesh_tessface_calc(CustomData *fdata, /* #CD_ORIGINDEX will contain an array of indices from tessellation-faces to the polygons * they are directly tessellated from. */ CustomData_add_layer(fdata, CD_ORIGINDEX, CD_ASSIGN, mface_to_poly_map, totface); - BKE_mesh_add_mface_layers(fdata, ldata, totface); + add_mface_layers(fdata, ldata, totface); /* NOTE: quad detection issue - fourth vertidx vs fourth loopidx: * Polygons take care of their loops ordering, hence not of their vertices ordering. @@ -1092,82 +1201,6 @@ void BKE_mesh_tessface_ensure(struct Mesh *mesh) } } -#ifndef NDEBUG -/** - * Debug check, used to assert when we expect layers to be in/out of sync. - * - * \param fallback: Use when there are no layers to handle, - * since callers may expect success or failure. - */ -static bool check_matching_legacy_layer_counts(CustomData *fdata, CustomData *ldata, bool fallback) -{ - int a_num = 0, b_num = 0; -# define LAYER_CMP(l_a, t_a, l_b, t_b) \ - ((a_num += CustomData_number_of_layers(l_a, t_a)) == \ - (b_num += CustomData_number_of_layers(l_b, t_b))) - - if (!LAYER_CMP(ldata, CD_MLOOPUV, fdata, CD_MTFACE)) { - return false; - } - if (!LAYER_CMP(ldata, CD_PROP_BYTE_COLOR, fdata, CD_MCOL)) { - return false; - } - if (!LAYER_CMP(ldata, CD_PREVIEW_MLOOPCOL, fdata, CD_PREVIEW_MCOL)) { - return false; - } - if (!LAYER_CMP(ldata, CD_ORIGSPACE_MLOOP, fdata, CD_ORIGSPACE)) { - return false; - } - if (!LAYER_CMP(ldata, CD_NORMAL, fdata, CD_TESSLOOPNORMAL)) { - return false; - } - if (!LAYER_CMP(ldata, CD_TANGENT, fdata, CD_TANGENT)) { - return false; - } - -# undef LAYER_CMP - - /* if no layers are on either CustomData's, - * then there was nothing to do... */ - return a_num ? true : fallback; -} -#endif - -void BKE_mesh_add_mface_layers(CustomData *fdata, CustomData *ldata, int total) -{ - /* avoid accumulating extra layers */ - BLI_assert(!check_matching_legacy_layer_counts(fdata, ldata, false)); - - for (int i = 0; i < ldata->totlayer; i++) { - if (ldata->layers[i].type == CD_MLOOPUV) { - CustomData_add_layer_named( - fdata, CD_MTFACE, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); - } - if (ldata->layers[i].type == CD_PROP_BYTE_COLOR) { - CustomData_add_layer_named( - fdata, CD_MCOL, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); - } - else if (ldata->layers[i].type == CD_PREVIEW_MLOOPCOL) { - CustomData_add_layer_named( - fdata, CD_PREVIEW_MCOL, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); - } - else if (ldata->layers[i].type == CD_ORIGSPACE_MLOOP) { - CustomData_add_layer_named( - fdata, CD_ORIGSPACE, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); - } - else if (ldata->layers[i].type == CD_NORMAL) { - CustomData_add_layer_named( - fdata, CD_TESSLOOPNORMAL, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); - } - else if (ldata->layers[i].type == CD_TANGENT) { - CustomData_add_layer_named( - fdata, CD_TANGENT, CD_SET_DEFAULT, nullptr, total, ldata->layers[i].name); - } - } - - CustomData_bmesh_update_active_layers(fdata, ldata); -} - /** \} */ /* -------------------------------------------------------------------- */ |