diff options
Diffstat (limited to 'source/blender/blenkernel/intern/subdiv_eval.c')
| -rw-r--r-- | source/blender/blenkernel/intern/subdiv_eval.c | 67 |
1 files changed, 61 insertions, 6 deletions
diff --git a/source/blender/blenkernel/intern/subdiv_eval.c b/source/blender/blenkernel/intern/subdiv_eval.c index 9edd9815400..fda833ffd27 100644 --- a/source/blender/blenkernel/intern/subdiv_eval.c +++ b/source/blender/blenkernel/intern/subdiv_eval.c @@ -23,7 +23,9 @@ #include "opensubdiv_evaluator_capi.h" #include "opensubdiv_topology_refiner_capi.h" -/* ============================ Helper Function ============================ */ +/* -------------------------------------------------------------------- + * Helper functions. + */ static eOpenSubdivEvaluator opensubdiv_evalutor_from_subdiv_evaluator_type( eSubdivEvaluatorType evaluator_type) @@ -40,11 +42,14 @@ static eOpenSubdivEvaluator opensubdiv_evalutor_from_subdiv_evaluator_type( return OPENSUBDIV_EVALUATOR_CPU; } -/* ====================== Main Subdivision Evaluation ====================== */ +/* -------------------------------------------------------------------- + * Main subdivision evaluation. + */ bool BKE_subdiv_eval_begin(Subdiv *subdiv, eSubdivEvaluatorType evaluator_type, - OpenSubdiv_EvaluatorCache *evaluator_cache) + OpenSubdiv_EvaluatorCache *evaluator_cache, + const OpenSubdiv_EvaluatorSettings *settings) { BKE_subdiv_stats_reset(&subdiv->stats, SUBDIV_STATS_EVALUATOR_CREATE); if (subdiv->topology_refiner == NULL) { @@ -66,6 +71,7 @@ bool BKE_subdiv_eval_begin(Subdiv *subdiv, else { /* TODO(sergey): Check for topology change. */ } + subdiv->evaluator->setSettings(subdiv->evaluator, settings); BKE_subdiv_eval_init_displacement(subdiv); return true; } @@ -179,13 +185,52 @@ static void set_face_varying_data_from_uv(Subdiv *subdiv, MEM_freeN(buffer); } +static void set_vertex_data_from_orco(Subdiv *subdiv, const Mesh *mesh) +{ + const float(*orco)[3] = CustomData_get_layer(&mesh->vdata, CD_ORCO); + const float(*cloth_orco)[3] = CustomData_get_layer(&mesh->vdata, CD_CLOTH_ORCO); + + if (orco || cloth_orco) { + OpenSubdiv_TopologyRefiner *topology_refiner = subdiv->topology_refiner; + OpenSubdiv_Evaluator *evaluator = subdiv->evaluator; + const int num_verts = topology_refiner->getNumVertices(topology_refiner); + + if (orco && cloth_orco) { + /* Set one by one if have both. */ + for (int i = 0; i < num_verts; i++) { + float data[6]; + copy_v3_v3(data, orco[i]); + copy_v3_v3(data + 3, cloth_orco[i]); + evaluator->setVertexData(evaluator, data, i, 1); + } + } + else { + /* Faster single call if we have either. */ + if (orco) { + evaluator->setVertexData(evaluator, orco[0], 0, num_verts); + } + else if (cloth_orco) { + evaluator->setVertexData(evaluator, cloth_orco[0], 0, num_verts); + } + } + } +} + +static void get_mesh_evaluator_settings(OpenSubdiv_EvaluatorSettings *settings, const Mesh *mesh) +{ + settings->num_vertex_data = (CustomData_has_layer(&mesh->vdata, CD_ORCO) ? 3 : 0) + + (CustomData_has_layer(&mesh->vdata, CD_CLOTH_ORCO) ? 3 : 0); +} + bool BKE_subdiv_eval_begin_from_mesh(Subdiv *subdiv, const Mesh *mesh, const float (*coarse_vertex_cos)[3], eSubdivEvaluatorType evaluator_type, OpenSubdiv_EvaluatorCache *evaluator_cache) { - if (!BKE_subdiv_eval_begin(subdiv, evaluator_type, evaluator_cache)) { + OpenSubdiv_EvaluatorSettings settings = {0}; + get_mesh_evaluator_settings(&settings, mesh); + if (!BKE_subdiv_eval_begin(subdiv, evaluator_type, evaluator_cache, &settings)) { return false; } return BKE_subdiv_eval_refine_from_mesh(subdiv, mesh, coarse_vertex_cos); @@ -202,12 +247,14 @@ bool BKE_subdiv_eval_refine_from_mesh(Subdiv *subdiv, } /* Set coordinates of base mesh vertices. */ set_coarse_positions(subdiv, mesh, coarse_vertex_cos); - /* Set face-varyign data to UV maps. */ + /* Set face-varying data to UV maps. */ const int num_uv_layers = CustomData_number_of_layers(&mesh->ldata, CD_MLOOPUV); for (int layer_index = 0; layer_index < num_uv_layers; layer_index++) { const MLoopUV *mloopuv = CustomData_get_layer_n(&mesh->ldata, CD_MLOOPUV, layer_index); set_face_varying_data_from_uv(subdiv, mesh, mloopuv, layer_index); } + /* Set vertex data to orco. */ + set_vertex_data_from_orco(subdiv, mesh); /* Update evaluator to the new coarse geometry. */ BKE_subdiv_stats_begin(&subdiv->stats, SUBDIV_STATS_EVALUATOR_REFINE); subdiv->evaluator->refine(subdiv->evaluator); @@ -226,7 +273,9 @@ void BKE_subdiv_eval_init_displacement(Subdiv *subdiv) subdiv->displacement_evaluator->initialize(subdiv->displacement_evaluator); } -/* ========================== Single point queries ========================== */ +/* -------------------------------------------------------------------- + * Single point queries. + */ void BKE_subdiv_eval_limit_point( Subdiv *subdiv, const int ptex_face_index, const float u, const float v, float r_P[3]) @@ -281,6 +330,12 @@ void BKE_subdiv_eval_limit_point_and_normal(Subdiv *subdiv, normalize_v3(r_N); } +void BKE_subdiv_eval_vertex_data( + Subdiv *subdiv, const int ptex_face_index, const float u, const float v, float r_vertex_data[]) +{ + subdiv->evaluator->evaluateVertexData(subdiv->evaluator, ptex_face_index, u, v, r_vertex_data); +} + void BKE_subdiv_eval_face_varying(Subdiv *subdiv, const int face_varying_channel, const int ptex_face_index, |