diff options
Diffstat (limited to 'source/blender/editors/object/object_bake_api.c')
| -rw-r--r-- | source/blender/editors/object/object_bake_api.c | 129 |
1 files changed, 88 insertions, 41 deletions
diff --git a/source/blender/editors/object/object_bake_api.c b/source/blender/editors/object/object_bake_api.c index f651f5bc3fd..3370476d466 100644 --- a/source/blender/editors/object/object_bake_api.c +++ b/source/blender/editors/object/object_bake_api.c @@ -669,9 +669,11 @@ static void bake_targets_clear(Main *bmain, const bool is_tangent) } /* create new mesh with edit mode changes and modifiers applied */ -static Mesh *bake_mesh_new_from_object(Object *object) +static Mesh *bake_mesh_new_from_object(Depsgraph *depsgraph, + Object *object, + const bool preserve_origindex) { - Mesh *me = BKE_mesh_new_from_object(NULL, object, false); + Mesh *me = BKE_mesh_new_from_object(depsgraph, object, false, preserve_origindex); if (me->flag & ME_AUTOSMOOTH) { BKE_mesh_split_faces(me, true); @@ -961,10 +963,39 @@ static bool bake_targets_init_vertex_colors(BakeTargets *targets, Object *ob, Re return true; } +static int find_original_loop(const Mesh *me_orig, + const int *vert_origindex, + const int *poly_origindex, + const int poly_eval, + const int vert_eval) +{ + /* Get original vertex and polygon index. There is currently no loop mapping + * in modifier stack evaluation. */ + const int vert_orig = vert_origindex[vert_eval]; + const int poly_orig = poly_origindex[poly_eval]; + + if (vert_orig == ORIGINDEX_NONE || poly_orig == ORIGINDEX_NONE) { + return ORIGINDEX_NONE; + } + + /* Find matching loop with original vertex in original polygon. */ + MPoly *mpoly_orig = me_orig->mpoly + poly_orig; + MLoop *mloop_orig = me_orig->mloop + mpoly_orig->loopstart; + for (int j = 0; j < mpoly_orig->totloop; ++j, ++mloop_orig) { + if (mloop_orig->v == vert_orig) { + return mpoly_orig->loopstart + j; + } + } + + return ORIGINDEX_NONE; +} + static void bake_targets_populate_pixels_vertex_colors(BakeTargets *targets, - Mesh *me, + Object *ob, + Mesh *me_eval, BakePixel *pixel_array) { + Mesh *me = ob->data; const int num_pixels = targets->num_pixels; /* Initialize blank pixels. */ @@ -983,16 +1014,31 @@ static void bake_targets_populate_pixels_vertex_colors(BakeTargets *targets, } /* Populate through adjacent triangles, first triangle wins. */ - const int tottri = poly_to_tri_count(me->totpoly, me->totloop); + const int tottri = poly_to_tri_count(me_eval->totpoly, me_eval->totloop); MLoopTri *looptri = MEM_mallocN(sizeof(*looptri) * tottri, __func__); - BKE_mesh_recalc_looptri(me->mloop, me->mpoly, me->mvert, me->totloop, me->totpoly, looptri); + BKE_mesh_recalc_looptri( + me_eval->mloop, me_eval->mpoly, me_eval->mvert, me_eval->totloop, me_eval->totpoly, looptri); + + /* For mapping back to original mesh in case there are modifiers. */ + const int *vert_origindex = CustomData_get_layer(&me_eval->vdata, CD_ORIGINDEX); + const int *poly_origindex = CustomData_get_layer(&me_eval->pdata, CD_ORIGINDEX); for (int i = 0; i < tottri; i++) { const MLoopTri *lt = &looptri[i]; for (int j = 0; j < 3; j++) { - const unsigned int l = lt->tri[j]; + unsigned int l = lt->tri[j]; + unsigned int v = me_eval->mloop[l].v; + + /* Map back to original loop if there are modifiers. */ + if (vert_origindex != NULL && poly_origindex != NULL) { + l = find_original_loop(me, vert_origindex, poly_origindex, lt->poly, v); + if (l == ORIGINDEX_NONE || l >= me->totloop) { + continue; + } + } + BakePixel *pixel = &pixel_array[l]; if (pixel->primitive_id != -1) { @@ -1004,7 +1050,7 @@ static void bake_targets_populate_pixels_vertex_colors(BakeTargets *targets, /* Seed is the vertex, so that sampling noise is coherent for the same * vertex, but different corners can still have different normals, * materials and UVs. */ - pixel->seed = me->mloop[l].v; + pixel->seed = v; /* Barycentric coordinates, nudged a bit to avoid precision issues that * may happen when exactly at the vertex coordinate. */ @@ -1043,7 +1089,7 @@ static void bake_result_add_to_rgba(float rgba[4], const float *result, const in } } -static bool bake_targets_output_vertex_colors(BakeTargets *targets, Object *ob, Mesh *me_split) +static bool bake_targets_output_vertex_colors(BakeTargets *targets, Object *ob) { Mesh *me = ob->data; MPropCol *mcol = CustomData_get_layer(&me->vdata, CD_PROP_COLOR); @@ -1052,11 +1098,6 @@ static bool bake_targets_output_vertex_colors(BakeTargets *targets, Object *ob, const int num_channels = targets->num_channels; const float *result = targets->result; - /* We bake using a mesh with additional vertices for split normals, but the - * number of loops must match to be able to transfer the vertex colors. */ - BLI_assert(me->totloop == me_split->totloop); - UNUSED_VARS_NDEBUG(me_split); - if (mcol_valid) { const int totvert = me->totvert; const int totloop = me->totloop; @@ -1111,16 +1152,17 @@ static bool bake_targets_output_vertex_colors(BakeTargets *targets, Object *ob, static bool bake_targets_init(const BakeAPIRender *bkr, BakeTargets *targets, Object *ob, + Object *ob_eval, ReportList *reports) { if (bkr->target == R_BAKE_TARGET_IMAGE_TEXTURES) { if (bkr->save_mode == R_BAKE_SAVE_INTERNAL) { - if (!bake_targets_init_internal(bkr, targets, ob, reports)) { + if (!bake_targets_init_internal(bkr, targets, ob_eval, reports)) { return false; } } else if (bkr->save_mode == R_BAKE_SAVE_EXTERNAL) { - if (!bake_targets_init_external(bkr, targets, ob, reports)) { + if (!bake_targets_init_external(bkr, targets, ob_eval, reports)) { return false; } } @@ -1145,14 +1187,15 @@ static bool bake_targets_init(const BakeAPIRender *bkr, static void bake_targets_populate_pixels(const BakeAPIRender *bkr, BakeTargets *targets, - Mesh *me, + Object *ob, + Mesh *me_eval, BakePixel *pixel_array) { if (bkr->target == R_BAKE_TARGET_VERTEX_COLORS) { - bake_targets_populate_pixels_vertex_colors(targets, me, pixel_array); + bake_targets_populate_pixels_vertex_colors(targets, ob, me_eval, pixel_array); } else { - RE_bake_pixels_populate(me, pixel_array, targets->num_pixels, targets, bkr->uv_layer); + RE_bake_pixels_populate(me_eval, pixel_array, targets->num_pixels, targets, bkr->uv_layer); } } @@ -1160,7 +1203,7 @@ static bool bake_targets_output(const BakeAPIRender *bkr, BakeTargets *targets, Object *ob, Object *ob_eval, - Mesh *me, + Mesh *me_eval, BakePixel *pixel_array, ReportList *reports) { @@ -1169,11 +1212,12 @@ static bool bake_targets_output(const BakeAPIRender *bkr, return bake_targets_output_internal(bkr, targets, ob, pixel_array, reports); } if (bkr->save_mode == R_BAKE_SAVE_EXTERNAL) { - return bake_targets_output_external(bkr, targets, ob, ob_eval, me, pixel_array, reports); + return bake_targets_output_external( + bkr, targets, ob, ob_eval, me_eval, pixel_array, reports); } } else if (bkr->target == R_BAKE_TARGET_VERTEX_COLORS) { - return bake_targets_output_vertex_colors(targets, ob, me); + return bake_targets_output_vertex_colors(targets, ob); } return false; @@ -1213,8 +1257,8 @@ static int bake(const BakeAPIRender *bkr, BakeHighPolyData *highpoly = NULL; int tot_highpoly = 0; - Mesh *me_low = NULL; - Mesh *me_cage = NULL; + Mesh *me_low_eval = NULL; + Mesh *me_cage_eval = NULL; MultiresModifierData *mmd_low = NULL; int mmd_flags_low = 0; @@ -1224,6 +1268,8 @@ static int bake(const BakeAPIRender *bkr, BakeTargets targets = {NULL}; + const bool preserve_origindex = (bkr->target == R_BAKE_TARGET_VERTEX_COLORS); + RE_bake_engine_set_engine_parameters(re, bmain, scene); if (!RE_bake_has_engine(re)) { @@ -1287,10 +1333,10 @@ static int bake(const BakeAPIRender *bkr, ob_low_eval = DEG_get_evaluated_object(depsgraph, ob_low); /* get the mesh as it arrives in the renderer */ - me_low = bake_mesh_new_from_object(ob_low_eval); + me_low_eval = bake_mesh_new_from_object(depsgraph, ob_low_eval, preserve_origindex); /* Initialize bake targets. */ - if (!bake_targets_init(bkr, &targets, ob_low_eval, reports)) { + if (!bake_targets_init(bkr, &targets, ob_low, ob_low_eval, reports)) { goto cleanup; } @@ -1298,7 +1344,7 @@ static int bake(const BakeAPIRender *bkr, * it is populated later with the cage mesh (smoothed version of the mesh). */ pixel_array_low = MEM_mallocN(sizeof(BakePixel) * targets.num_pixels, "bake pixels low poly"); if ((bkr->is_selected_to_active && (ob_cage == NULL) && bkr->is_cage) == false) { - bake_targets_populate_pixels(bkr, &targets, me_low, pixel_array_low); + bake_targets_populate_pixels(bkr, &targets, ob_low, me_low_eval, pixel_array_low); } if (bkr->is_selected_to_active) { @@ -1307,8 +1353,9 @@ static int bake(const BakeAPIRender *bkr, /* prepare cage mesh */ if (ob_cage) { - me_cage = bake_mesh_new_from_object(ob_cage_eval); - if ((me_low->totpoly != me_cage->totpoly) || (me_low->totloop != me_cage->totloop)) { + me_cage_eval = bake_mesh_new_from_object(depsgraph, ob_cage_eval, preserve_origindex); + if ((me_low_eval->totpoly != me_cage_eval->totpoly) || + (me_low_eval->totloop != me_cage_eval->totloop)) { BKE_report(reports, RPT_ERROR, "Invalid cage object, the cage mesh must have the same number " @@ -1348,8 +1395,8 @@ static int bake(const BakeAPIRender *bkr, BKE_object_handle_data_update(depsgraph, scene, ob_low_eval); } - me_cage = BKE_mesh_new_from_object(NULL, ob_low_eval, false); - bake_targets_populate_pixels(bkr, &targets, me_cage, pixel_array_low); + me_cage_eval = BKE_mesh_new_from_object(NULL, ob_low_eval, false, preserve_origindex); + bake_targets_populate_pixels(bkr, &targets, ob_low, me_cage_eval, pixel_array_low); } highpoly = MEM_callocN(sizeof(BakeHighPolyData) * tot_highpoly, "bake high poly objects"); @@ -1367,7 +1414,7 @@ static int bake(const BakeAPIRender *bkr, highpoly[i].ob_eval = DEG_get_evaluated_object(depsgraph, ob_iter); highpoly[i].ob_eval->restrictflag &= ~OB_RESTRICT_RENDER; highpoly[i].ob_eval->base_flag |= (BASE_VISIBLE_DEPSGRAPH | BASE_ENABLED_RENDER); - highpoly[i].me = BKE_mesh_new_from_object(NULL, highpoly[i].ob_eval, false); + highpoly[i].me = BKE_mesh_new_from_object(NULL, highpoly[i].ob_eval, false, false); /* Low-poly to high-poly transformation matrix. */ copy_m4_m4(highpoly[i].obmat, highpoly[i].ob->obmat); @@ -1391,7 +1438,7 @@ static int bake(const BakeAPIRender *bkr, pixel_array_high = MEM_mallocN(sizeof(BakePixel) * targets.num_pixels, "bake pixels high poly"); - if (!RE_bake_pixels_populate_from_objects(me_low, + if (!RE_bake_pixels_populate_from_objects(me_low_eval, pixel_array_low, pixel_array_high, highpoly, @@ -1402,7 +1449,7 @@ static int bake(const BakeAPIRender *bkr, bkr->max_ray_distance, ob_low_eval->obmat, (ob_cage ? ob_cage->obmat : ob_low_eval->obmat), - me_cage)) { + me_cage_eval)) { BKE_report(reports, RPT_ERROR, "Error handling selected objects"); goto cleanup; } @@ -1478,7 +1525,7 @@ static int bake(const BakeAPIRender *bkr, targets.num_pixels, targets.num_channels, targets.result, - me_low, + me_low_eval, bkr->normal_swizzle, ob_low_eval->obmat); } @@ -1497,8 +1544,8 @@ static int bake(const BakeAPIRender *bkr, } /* Evaluate modifiers again. */ - me_nores = BKE_mesh_new_from_object(NULL, ob_low_eval, false); - bake_targets_populate_pixels(bkr, &targets, me_nores, pixel_array_low); + me_nores = BKE_mesh_new_from_object(NULL, ob_low_eval, false, false); + bake_targets_populate_pixels(bkr, &targets, ob_low, me_nores, pixel_array_low); RE_bake_normal_world_to_tangent(pixel_array_low, targets.num_pixels, @@ -1527,7 +1574,7 @@ static int bake(const BakeAPIRender *bkr, else { /* save the results */ if (bake_targets_output( - bkr, &targets, ob_low, ob_low_eval, me_low, pixel_array_low, reports)) { + bkr, &targets, ob_low, ob_low_eval, me_low_eval, pixel_array_low, reports)) { op_result = OPERATOR_FINISHED; } else { @@ -1562,12 +1609,12 @@ cleanup: bake_targets_free(&targets); - if (me_low != NULL) { - BKE_id_free(NULL, &me_low->id); + if (me_low_eval != NULL) { + BKE_id_free(NULL, &me_low_eval->id); } - if (me_cage != NULL) { - BKE_id_free(NULL, &me_cage->id); + if (me_cage_eval != NULL) { + BKE_id_free(NULL, &me_cage_eval->id); } DEG_graph_free(depsgraph); |