diff options
Diffstat (limited to 'source/blender/blenkernel/intern/CCGSubSurf_opensubdiv_converter.c')
| -rw-r--r-- | source/blender/blenkernel/intern/CCGSubSurf_opensubdiv_converter.c | 777 |
1 files changed, 0 insertions, 777 deletions
diff --git a/source/blender/blenkernel/intern/CCGSubSurf_opensubdiv_converter.c b/source/blender/blenkernel/intern/CCGSubSurf_opensubdiv_converter.c deleted file mode 100644 index 16766d52e57..00000000000 --- a/source/blender/blenkernel/intern/CCGSubSurf_opensubdiv_converter.c +++ /dev/null @@ -1,777 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -/** \file - * \ingroup bke - */ - -#ifdef WITH_OPENSUBDIV - -# include <stdlib.h> - -# include "BLI_sys_types.h" // for intptr_t support -# include "MEM_guardedalloc.h" - -# include "BLI_math.h" -# include "BLI_utildefines.h" /* for BLI_assert */ - -# include "CCGSubSurf.h" -# include "CCGSubSurf_intern.h" - -# include "BKE_DerivedMesh.h" -# include "BKE_mesh_mapping.h" - -# include "opensubdiv_capi.h" -# include "opensubdiv_converter_capi.h" - -/* Use mesh element mapping structures during conversion. - * Uses more memory but is much faster than naive algorithm. - */ -# define USE_MESH_ELEMENT_MAPPING - -/** - * Converter from DerivedMesh. - */ - -typedef struct ConvDMStorage { - CCGSubSurf *ss; - DerivedMesh *dm; - -# ifdef USE_MESH_ELEMENT_MAPPING - MeshElemMap *vert_edge_map, *vert_poly_map, *edge_poly_map; - int *vert_edge_mem, *vert_poly_mem, *edge_poly_mem; -# endif - - MVert *mvert; - MEdge *medge; - MLoop *mloop; - MPoly *mpoly; - - MeshIslandStore island_store; - int num_uvs; - float *uvs; - int *face_uvs; -} ConvDMStorage; - -static OpenSubdiv_SchemeType conv_dm_get_type(const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *storage = converter->user_data; - if (storage->ss->meshIFC.simpleSubdiv) { - return OSD_SCHEME_BILINEAR; - } - else { - return OSD_SCHEME_CATMARK; - } -} - -static OpenSubdiv_VtxBoundaryInterpolation conv_dm_get_vtx_boundary_interpolation( - const OpenSubdiv_Converter *UNUSED(converter)) -{ - return OSD_VTX_BOUNDARY_EDGE_ONLY; -} - -static OpenSubdiv_FVarLinearInterpolation conv_dm_get_fvar_linear_interpolation( - const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *storage = converter->user_data; - if (storage->ss->osd_subdiv_uvs) { - return OSD_FVAR_LINEAR_INTERPOLATION_CORNERS_ONLY; - } - return OSD_FVAR_LINEAR_INTERPOLATION_ALL; -} - -static bool conv_dm_specifies_full_topology(const OpenSubdiv_Converter *UNUSED(converter)) -{ - return true; -} - -static int conv_dm_get_num_faces(const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *storage = converter->user_data; - DerivedMesh *dm = storage->dm; - return dm->getNumPolys(dm); -} - -static int conv_dm_get_num_edges(const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *storage = converter->user_data; - DerivedMesh *dm = storage->dm; - return dm->getNumEdges(dm); -} - -static int conv_dm_get_num_verts(const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *storage = converter->user_data; - DerivedMesh *dm = storage->dm; - return dm->getNumVerts(dm); -} - -static int conv_dm_get_num_face_verts(const OpenSubdiv_Converter *converter, int face) -{ - ConvDMStorage *storage = converter->user_data; - const MPoly *mpoly = &storage->mpoly[face]; - return mpoly->totloop; -} - -static void conv_dm_get_face_verts(const OpenSubdiv_Converter *converter, - int face, - int *face_verts) -{ - ConvDMStorage *storage = converter->user_data; - const MPoly *mpoly = &storage->mpoly[face]; - int loop; - for (loop = 0; loop < mpoly->totloop; loop++) { - face_verts[loop] = storage->mloop[mpoly->loopstart + loop].v; - } -} - -static void conv_dm_get_face_edges(const OpenSubdiv_Converter *converter, - int face, - int *face_edges) -{ - ConvDMStorage *storage = converter->user_data; - const MPoly *mpoly = &storage->mpoly[face]; - int loop; - for (loop = 0; loop < mpoly->totloop; loop++) { - face_edges[loop] = storage->mloop[mpoly->loopstart + loop].e; - } -} - -static void conv_dm_get_edge_verts(const OpenSubdiv_Converter *converter, - int edge, - int *edge_verts) -{ - ConvDMStorage *storage = converter->user_data; - const MEdge *medge = &storage->medge[edge]; - edge_verts[0] = medge->v1; - edge_verts[1] = medge->v2; -} - -static int conv_dm_get_num_edge_faces(const OpenSubdiv_Converter *converter, int edge) -{ - ConvDMStorage *storage = converter->user_data; -# ifndef USE_MESH_ELEMENT_MAPPING - DerivedMesh *dm = storage->dm; - int num = 0, poly; - for (poly = 0; poly < dm->getNumPolys(dm); poly++) { - const MPoly *mpoly = &user_data->mpoly[poly]; - int loop; - for (loop = 0; loop < mpoly->totloop; loop++) { - const MLoop *mloop = &storage->mloop[mpoly->loopstart + loop]; - if (mloop->e == edge) { - num++; - break; - } - } - } - return num; -# else - return storage->edge_poly_map[edge].count; -# endif -} - -static void conv_dm_get_edge_faces(const OpenSubdiv_Converter *converter, - int edge, - int *edge_faces) -{ - ConvDMStorage *storage = converter->user_data; -# ifndef USE_MESH_ELEMENT_MAPPING - DerivedMesh *dm = storage->dm; - int num = 0, poly; - for (poly = 0; poly < dm->getNumPolys(dm); poly++) { - const MPoly *mpoly = &user_data->mpoly[poly]; - int loop; - for (loop = 0; loop < mpoly->totloop; loop++) { - const MLoop *mloop = &storage->mloop[mpoly->loopstart + loop]; - if (mloop->e == edge) { - edge_faces[num++] = poly; - break; - } - } - } -# else - memcpy(edge_faces, - storage->edge_poly_map[edge].indices, - sizeof(int) * storage->edge_poly_map[edge].count); -# endif -} - -static float conv_dm_get_edge_sharpness(const OpenSubdiv_Converter *converter, int edge) -{ - ConvDMStorage *storage = converter->user_data; - CCGSubSurf *ss = storage->ss; - const MEdge *medge = storage->medge; - return (float)medge[edge].crease / 255.0f * ss->subdivLevels; -} - -static int conv_dm_get_num_vert_edges(const OpenSubdiv_Converter *converter, int vert) -{ - ConvDMStorage *storage = converter->user_data; -# ifndef USE_MESH_ELEMENT_MAPPING - DerivedMesh *dm = storage->dm; - int num = 0, edge; - for (edge = 0; edge < dm->getNumEdges(dm); edge++) { - const MEdge *medge = &user_data->medge[edge]; - if (medge->v1 == vert || medge->v2 == vert) { - num++; - } - } - return num; -# else - return storage->vert_edge_map[vert].count; -# endif -} - -static void conv_dm_get_vert_edges(const OpenSubdiv_Converter *converter, - int vert, - int *vert_edges) -{ - ConvDMStorage *storage = converter->user_data; -# ifndef USE_MESH_ELEMENT_MAPPING - DerivedMesh *dm = storage->dm; - int num = 0, edge; - for (edge = 0; edge < dm->getNumEdges(dm); edge++) { - const MEdge *medge = &user_data->medge[edge]; - if (medge->v1 == vert || medge->v2 == vert) { - vert_edges[num++] = edge; - } - } -# else - memcpy(vert_edges, - storage->vert_edge_map[vert].indices, - sizeof(int) * storage->vert_edge_map[vert].count); -# endif -} - -static int conv_dm_get_num_vert_faces(const OpenSubdiv_Converter *converter, int vert) -{ - ConvDMStorage *storage = converter->user_data; -# ifndef USE_MESH_ELEMENT_MAPPING - DerivedMesh *dm = storage->dm; - int num = 0, poly; - for (poly = 0; poly < dm->getNumPolys(dm); poly++) { - const MPoly *mpoly = &user_data->mpoly[poly]; - int loop; - for (loop = 0; loop < mpoly->totloop; loop++) { - const MLoop *mloop = &storage->mloop[mpoly->loopstart + loop]; - if (mloop->v == vert) { - num++; - break; - } - } - } - return num; -# else - return storage->vert_poly_map[vert].count; -# endif -} - -static void conv_dm_get_vert_faces(const OpenSubdiv_Converter *converter, - int vert, - int *vert_faces) -{ - ConvDMStorage *storage = converter->user_data; -# ifndef USE_MESH_ELEMENT_MAPPING - DerivedMesh *dm = storage->dm; - int num = 0, poly; - for (poly = 0; poly < dm->getNumPolys(dm); poly++) { - const MPoly *mpoly = &storage->mpoly[poly]; - int loop; - for (loop = 0; loop < mpoly->totloop; loop++) { - const MLoop *mloop = &storage->mloop[mpoly->loopstart + loop]; - if (mloop->v == vert) { - vert_faces[num++] = poly; - break; - } - } - } -# else - memcpy(vert_faces, - storage->vert_poly_map[vert].indices, - sizeof(int) * storage->vert_poly_map[vert].count); -# endif -} - -static bool conv_dm_is_infinite_sharp_vertex(const OpenSubdiv_Converter *UNUSED(converter), - int UNUSED(manifold_vertex_index)) -{ - return false; -} - -static float conv_dm_get_vertex_sharpness(const OpenSubdiv_Converter *UNUSED(converter), - int UNUSED(manifold_vertex_index)) -{ - return 0.0f; -} - -static int conv_dm_get_num_uv_layers(const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *storage = converter->user_data; - DerivedMesh *dm = storage->dm; - int num_uv_layers = CustomData_number_of_layers(&dm->loopData, CD_MLOOPUV); - return num_uv_layers; -} - -static void conv_dm_precalc_uv_layer(const OpenSubdiv_Converter *converter, int layer) -{ - ConvDMStorage *storage = converter->user_data; - DerivedMesh *dm = storage->dm; - - const MLoopUV *mloopuv = CustomData_get_layer_n(&dm->loopData, CD_MLOOPUV, layer); - const int num_loops = dm->getNumLoops(dm); - - /* Initialize memory required for the operations. */ - if (storage->uvs == NULL) { - storage->uvs = MEM_mallocN(sizeof(float) * 2 * num_loops, "osd uvs"); - } - if (storage->face_uvs == NULL) { - storage->face_uvs = MEM_mallocN(sizeof(int) * num_loops, "osd face uvs"); - } - - /* Calculate islands connectivity of the UVs. */ - BKE_mesh_calc_islands_loop_poly_uvmap(storage->mvert, - dm->getNumVerts(dm), - storage->medge, - dm->getNumEdges(dm), - storage->mpoly, - dm->getNumPolys(dm), - storage->mloop, - dm->getNumLoops(dm), - mloopuv, - &storage->island_store); - - /* Here we "weld" duplicated vertices from island to the same UV value. - * The idea here is that we need to pass individual islands to OpenSubdiv. - */ - storage->num_uvs = 0; - for (int island = 0; island < storage->island_store.islands_num; island++) { - MeshElemMap *island_poly_map = storage->island_store.islands[island]; - for (int poly = 0; poly < island_poly_map->count; poly++) { - int poly_index = island_poly_map->indices[poly]; - /* Within the same UV island we should share UV points across - * loops. Otherwise each poly will be subdivided individually - * which we don't really want. - */ - const MPoly *mpoly = &storage->mpoly[poly_index]; - for (int loop = 0; loop < mpoly->totloop; loop++) { - const MLoopUV *luv = &mloopuv[mpoly->loopstart + loop]; - bool found = false; - /* TODO(sergey): Quite bad loop, which gives us O(N^2) - * complexity here. But how can we do it smarter, hopefully - * without requiring lots of additional memory. - */ - for (int i = 0; i < storage->num_uvs; i++) { - if (equals_v2v2(luv->uv, &storage->uvs[2 * i])) { - storage->face_uvs[mpoly->loopstart + loop] = i; - found = true; - break; - } - } - if (!found) { - copy_v2_v2(&storage->uvs[2 * storage->num_uvs], luv->uv); - storage->face_uvs[mpoly->loopstart + loop] = storage->num_uvs; - ++storage->num_uvs; - } - } - } - } -} - -static void conv_dm_finish_uv_layer(const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *storage = converter->user_data; - BKE_mesh_loop_islands_free(&storage->island_store); -} - -static int conv_dm_get_num_uvs(const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *storage = converter->user_data; - return storage->num_uvs; -} - -static int conv_dm_get_face_corner_uv_index(const OpenSubdiv_Converter *converter, - int face, - int corner) -{ - ConvDMStorage *storage = converter->user_data; - const MPoly *mpoly = &storage->mpoly[face]; - return storage->face_uvs[mpoly->loopstart + corner]; -} - -static void conv_dm_free_user_data(const OpenSubdiv_Converter *converter) -{ - ConvDMStorage *user_data = converter->user_data; - if (user_data->uvs != NULL) { - MEM_freeN(user_data->uvs); - } - if (user_data->face_uvs != NULL) { - MEM_freeN(user_data->face_uvs); - } - -# ifdef USE_MESH_ELEMENT_MAPPING - MEM_freeN(user_data->vert_edge_map); - MEM_freeN(user_data->vert_edge_mem); - MEM_freeN(user_data->vert_poly_map); - MEM_freeN(user_data->vert_poly_mem); - MEM_freeN(user_data->edge_poly_map); - MEM_freeN(user_data->edge_poly_mem); -# endif - MEM_freeN(user_data); -} - -void ccgSubSurf_converter_setup_from_derivedmesh(CCGSubSurf *ss, - DerivedMesh *dm, - OpenSubdiv_Converter *converter) -{ - ConvDMStorage *user_data; - - converter->getSchemeType = conv_dm_get_type; - - converter->getVtxBoundaryInterpolation = conv_dm_get_vtx_boundary_interpolation; - converter->getFVarLinearInterpolation = conv_dm_get_fvar_linear_interpolation; - converter->specifiesFullTopology = conv_dm_specifies_full_topology; - - converter->getNumFaces = conv_dm_get_num_faces; - converter->getNumEdges = conv_dm_get_num_edges; - converter->getNumVertices = conv_dm_get_num_verts; - - converter->getNumFaceVertices = conv_dm_get_num_face_verts; - converter->getFaceVertices = conv_dm_get_face_verts; - converter->getFaceEdges = conv_dm_get_face_edges; - - converter->getEdgeVertices = conv_dm_get_edge_verts; - converter->getNumEdgeFaces = conv_dm_get_num_edge_faces; - converter->getEdgeFaces = conv_dm_get_edge_faces; - converter->getEdgeSharpness = conv_dm_get_edge_sharpness; - - converter->getNumVertexEdges = conv_dm_get_num_vert_edges; - converter->getVertexEdges = conv_dm_get_vert_edges; - converter->getNumVertexFaces = conv_dm_get_num_vert_faces; - converter->getVertexFaces = conv_dm_get_vert_faces; - converter->isInfiniteSharpVertex = conv_dm_is_infinite_sharp_vertex; - converter->getVertexSharpness = conv_dm_get_vertex_sharpness; - - converter->getNumUVLayers = conv_dm_get_num_uv_layers; - converter->precalcUVLayer = conv_dm_precalc_uv_layer; - converter->finishUVLayer = conv_dm_finish_uv_layer; - converter->getNumUVCoordinates = conv_dm_get_num_uvs; - converter->getFaceCornerUVIndex = conv_dm_get_face_corner_uv_index; - - user_data = MEM_mallocN(sizeof(ConvDMStorage), __func__); - user_data->ss = ss; - user_data->dm = dm; - - user_data->mvert = dm->getVertArray(dm); - user_data->medge = dm->getEdgeArray(dm); - user_data->mloop = dm->getLoopArray(dm); - user_data->mpoly = dm->getPolyArray(dm); - - memset(&user_data->island_store, 0, sizeof(user_data->island_store)); - - user_data->uvs = NULL; - user_data->face_uvs = NULL; - - converter->freeUserData = conv_dm_free_user_data; - converter->user_data = user_data; - -# ifdef USE_MESH_ELEMENT_MAPPING - { - const MEdge *medge = dm->getEdgeArray(dm); - const MLoop *mloop = dm->getLoopArray(dm); - const MPoly *mpoly = dm->getPolyArray(dm); - const int num_vert = dm->getNumVerts(dm), num_edge = dm->getNumEdges(dm), - num_loop = dm->getNumLoops(dm), num_poly = dm->getNumPolys(dm); - BKE_mesh_vert_edge_map_create( - &user_data->vert_edge_map, &user_data->vert_edge_mem, medge, num_vert, num_edge); - - BKE_mesh_vert_poly_map_create(&user_data->vert_poly_map, - &user_data->vert_poly_mem, - mpoly, - mloop, - num_vert, - num_poly, - num_loop); - - BKE_mesh_edge_poly_map_create(&user_data->edge_poly_map, - &user_data->edge_poly_mem, - medge, - num_edge, - mpoly, - num_poly, - mloop, - num_loop); - } -# endif /* USE_MESH_ELEMENT_MAPPING */ -} - -/** - * Converter from CCGSubSurf - */ - -static OpenSubdiv_SchemeType conv_ccg_get_bilinear_type(const OpenSubdiv_Converter *converter) -{ - CCGSubSurf *ss = converter->user_data; - if (ss->meshIFC.simpleSubdiv) { - return OSD_SCHEME_BILINEAR; - } - else { - return OSD_SCHEME_CATMARK; - } -} - -static OpenSubdiv_VtxBoundaryInterpolation conv_ccg_get_vtx_boundary_interpolation( - const OpenSubdiv_Converter *UNUSED(converter)) -{ - return OSD_VTX_BOUNDARY_EDGE_ONLY; -} - -static OpenSubdiv_FVarLinearInterpolation conv_ccg_get_fvar_linear_interpolation( - const OpenSubdiv_Converter *converter) -{ - CCGSubSurf *ss = converter->user_data; - if (ss->osd_subdiv_uvs) { - return OSD_FVAR_LINEAR_INTERPOLATION_CORNERS_ONLY; - } - return OSD_FVAR_LINEAR_INTERPOLATION_ALL; -} - -static bool conv_ccg_specifies_full_topology(const OpenSubdiv_Converter *UNUSED(converter)) -{ - return true; -} - -static int conv_ccg_get_num_faces(const OpenSubdiv_Converter *converter) -{ - CCGSubSurf *ss = converter->user_data; - return ss->fMap->numEntries; -} - -static int conv_ccg_get_num_edges(const OpenSubdiv_Converter *converter) -{ - CCGSubSurf *ss = converter->user_data; - return ss->eMap->numEntries; -} - -static int conv_ccg_get_num_verts(const OpenSubdiv_Converter *converter) -{ - CCGSubSurf *ss = converter->user_data; - return ss->vMap->numEntries; -} - -static int conv_ccg_get_num_face_verts(const OpenSubdiv_Converter *converter, int face) -{ - CCGSubSurf *ss = converter->user_data; - CCGFace *ccg_face = ccgSubSurf_getFace(ss, POINTER_FROM_INT(face)); - return ccgSubSurf_getFaceNumVerts(ccg_face); -} - -static void conv_ccg_get_face_verts(const OpenSubdiv_Converter *converter, - int face, - int *face_verts) -{ - CCGSubSurf *ss = converter->user_data; - CCGFace *ccg_face = ccgSubSurf_getFace(ss, POINTER_FROM_INT(face)); - int num_face_verts = ccgSubSurf_getFaceNumVerts(ccg_face); - int loop; - for (loop = 0; loop < num_face_verts; loop++) { - CCGVert *ccg_vert = ccgSubSurf_getFaceVert(ccg_face, loop); - face_verts[loop] = POINTER_AS_INT(ccgSubSurf_getVertVertHandle(ccg_vert)); - } -} - -static void conv_ccg_get_face_edges(const OpenSubdiv_Converter *converter, - int face, - int *face_edges) -{ - CCGSubSurf *ss = converter->user_data; - CCGFace *ccg_face = ccgSubSurf_getFace(ss, POINTER_FROM_INT(face)); - int num_face_verts = ccgSubSurf_getFaceNumVerts(ccg_face); - int loop; - for (loop = 0; loop < num_face_verts; loop++) { - CCGEdge *ccg_edge = ccgSubSurf_getFaceEdge(ccg_face, loop); - face_edges[loop] = POINTER_AS_INT(ccgSubSurf_getEdgeEdgeHandle(ccg_edge)); - } -} - -static void conv_ccg_get_edge_verts(const OpenSubdiv_Converter *converter, - int edge, - int *edge_verts) -{ - CCGSubSurf *ss = converter->user_data; - CCGEdge *ccg_edge = ccgSubSurf_getEdge(ss, POINTER_FROM_INT(edge)); - CCGVert *ccg_vert0 = ccgSubSurf_getEdgeVert0(ccg_edge); - CCGVert *ccg_vert1 = ccgSubSurf_getEdgeVert1(ccg_edge); - edge_verts[0] = POINTER_AS_INT(ccgSubSurf_getVertVertHandle(ccg_vert0)); - edge_verts[1] = POINTER_AS_INT(ccgSubSurf_getVertVertHandle(ccg_vert1)); -} - -static int conv_ccg_get_num_edge_faces(const OpenSubdiv_Converter *converter, int edge) -{ - CCGSubSurf *ss = converter->user_data; - CCGEdge *ccg_edge = ccgSubSurf_getEdge(ss, POINTER_FROM_INT(edge)); - return ccgSubSurf_getEdgeNumFaces(ccg_edge); -} - -static void conv_ccg_get_edge_faces(const OpenSubdiv_Converter *converter, - int edge, - int *edge_faces) -{ - CCGSubSurf *ss = converter->user_data; - CCGEdge *ccg_edge = ccgSubSurf_getEdge(ss, POINTER_FROM_INT(edge)); - int num_edge_faces = ccgSubSurf_getEdgeNumFaces(ccg_edge); - int face; - for (face = 0; face < num_edge_faces; face++) { - CCGFace *ccg_face = ccgSubSurf_getEdgeFace(ccg_edge, face); - edge_faces[face] = POINTER_AS_INT(ccgSubSurf_getFaceFaceHandle(ccg_face)); - } -} - -static float conv_ccg_get_edge_sharpness(const OpenSubdiv_Converter *converter, int edge) -{ - CCGSubSurf *ss = converter->user_data; - CCGEdge *ccg_edge = ccgSubSurf_getEdge(ss, POINTER_FROM_INT(edge)); - /* TODO(sergey): Multiply by subdivision level once CPU evaluator - * is switched to uniform subdivision type. - */ - return ccg_edge->crease; -} - -static int conv_ccg_get_num_vert_edges(const OpenSubdiv_Converter *converter, int vert) -{ - CCGSubSurf *ss = converter->user_data; - CCGVert *ccg_vert = ccgSubSurf_getVert(ss, POINTER_FROM_INT(vert)); - return ccgSubSurf_getVertNumEdges(ccg_vert); -} - -static void conv_ccg_get_vert_edges(const OpenSubdiv_Converter *converter, - int vert, - int *vert_edges) -{ - CCGSubSurf *ss = converter->user_data; - CCGVert *ccg_vert = ccgSubSurf_getVert(ss, POINTER_FROM_INT(vert)); - int num_vert_edges = ccgSubSurf_getVertNumEdges(ccg_vert); - int edge; - for (edge = 0; edge < num_vert_edges; edge++) { - CCGEdge *ccg_edge = ccgSubSurf_getVertEdge(ccg_vert, edge); - vert_edges[edge] = POINTER_AS_INT(ccgSubSurf_getEdgeEdgeHandle(ccg_edge)); - } -} - -static int conv_ccg_get_num_vert_faces(const OpenSubdiv_Converter *converter, int vert) -{ - CCGSubSurf *ss = converter->user_data; - CCGVert *ccg_vert = ccgSubSurf_getVert(ss, POINTER_FROM_INT(vert)); - return ccgSubSurf_getVertNumFaces(ccg_vert); -} - -static void conv_ccg_get_vert_faces(const OpenSubdiv_Converter *converter, - int vert, - int *vert_faces) -{ - CCGSubSurf *ss = converter->user_data; - CCGVert *ccg_vert = ccgSubSurf_getVert(ss, POINTER_FROM_INT(vert)); - int num_vert_faces = ccgSubSurf_getVertNumFaces(ccg_vert); - int face; - for (face = 0; face < num_vert_faces; face++) { - CCGFace *ccg_face = ccgSubSurf_getVertFace(ccg_vert, face); - vert_faces[face] = POINTER_AS_INT(ccgSubSurf_getFaceFaceHandle(ccg_face)); - } -} - -static bool conv_ccg_is_infinite_sharp_vertex(const OpenSubdiv_Converter *UNUSED(converter), - int UNUSED(manifold_vertex_index)) -{ - return false; -} - -static float conv_ccg_get_vertex_sharpness(const OpenSubdiv_Converter *UNUSED(converter), - int UNUSED(manifold_vertex_index)) -{ - return 0.0f; -} - -static int conv_ccg_get_num_uv_layers(const OpenSubdiv_Converter *UNUSED(converter)) -{ - return 0; -} - -static void conv_ccg_precalc_uv_layer(const OpenSubdiv_Converter *UNUSED(converter), - int UNUSED(layer)) -{ -} - -static void conv_ccg_finish_uv_layer(const OpenSubdiv_Converter *UNUSED(converter)) -{ -} - -static int conv_ccg_get_num_uvs(const OpenSubdiv_Converter *UNUSED(converter)) -{ - return 0; -} - -static int conv_ccg_get_face_corner_uv_index(const OpenSubdiv_Converter *UNUSED(converter), - int UNUSED(face), - int UNUSED(corner_)) -{ - return 0; -} - -void ccgSubSurf_converter_setup_from_ccg(CCGSubSurf *ss, OpenSubdiv_Converter *converter) -{ - converter->getSchemeType = conv_ccg_get_bilinear_type; - - converter->getVtxBoundaryInterpolation = conv_ccg_get_vtx_boundary_interpolation; - converter->getFVarLinearInterpolation = conv_ccg_get_fvar_linear_interpolation; - converter->specifiesFullTopology = conv_ccg_specifies_full_topology; - - converter->getNumFaces = conv_ccg_get_num_faces; - converter->getNumEdges = conv_ccg_get_num_edges; - converter->getNumVertices = conv_ccg_get_num_verts; - - converter->getNumFaceVertices = conv_ccg_get_num_face_verts; - converter->getFaceVertices = conv_ccg_get_face_verts; - converter->getFaceEdges = conv_ccg_get_face_edges; - - converter->getEdgeVertices = conv_ccg_get_edge_verts; - converter->getNumEdgeFaces = conv_ccg_get_num_edge_faces; - converter->getEdgeFaces = conv_ccg_get_edge_faces; - converter->getEdgeSharpness = conv_ccg_get_edge_sharpness; - - converter->getNumVertexEdges = conv_ccg_get_num_vert_edges; - converter->getVertexEdges = conv_ccg_get_vert_edges; - converter->getNumVertexFaces = conv_ccg_get_num_vert_faces; - converter->getVertexFaces = conv_ccg_get_vert_faces; - converter->isInfiniteSharpVertex = conv_ccg_is_infinite_sharp_vertex; - converter->getVertexSharpness = conv_ccg_get_vertex_sharpness; - - converter->getNumUVLayers = conv_ccg_get_num_uv_layers; - converter->precalcUVLayer = conv_ccg_precalc_uv_layer; - converter->finishUVLayer = conv_ccg_finish_uv_layer; - converter->getNumUVCoordinates = conv_ccg_get_num_uvs; - converter->getFaceCornerUVIndex = conv_ccg_get_face_corner_uv_index; - - converter->freeUserData = NULL; - converter->user_data = ss; -} - -void ccgSubSurf_converter_free(struct OpenSubdiv_Converter *converter) -{ - if (converter->freeUserData) { - converter->freeUserData(converter); - } -} - -#endif /* WITH_OPENSUBDIV */ |