diff options
Diffstat (limited to 'intern/cycles/render/alembic.cpp')
| -rw-r--r-- | intern/cycles/render/alembic.cpp | 997 |
1 files changed, 181 insertions, 816 deletions
diff --git a/intern/cycles/render/alembic.cpp b/intern/cycles/render/alembic.cpp index 1336f81896a..dcb456dc1ce 100644 --- a/intern/cycles/render/alembic.cpp +++ b/intern/cycles/render/alembic.cpp @@ -16,6 +16,7 @@ #include "render/alembic.h" +#include "render/alembic_read.h" #include "render/camera.h" #include "render/curves.h" #include "render/mesh.h" @@ -34,7 +35,48 @@ using namespace Alembic::AbcGeom; CCL_NAMESPACE_BEGIN -/* TODO(@kevindietrich): motion blur support */ +/* TODO(kevindietrich): motion blur support. */ + +template<typename SchemaType> +static vector<FaceSetShaderIndexPair> parse_face_sets_for_shader_assignment( + SchemaType &schema, const array<Node *> &used_shaders) +{ + vector<FaceSetShaderIndexPair> result; + + std::vector<std::string> face_set_names; + schema.getFaceSetNames(face_set_names); + + if (face_set_names.empty()) { + return result; + } + + for (const std::string &face_set_name : face_set_names) { + int shader_index = 0; + + for (Node *node : used_shaders) { + if (node->name == face_set_name) { + break; + } + + ++shader_index; + } + + if (shader_index >= used_shaders.size()) { + /* use the first shader instead if none was found */ + shader_index = 0; + } + + const Alembic::AbcGeom::IFaceSet face_set = schema.getFaceSet(face_set_name); + + if (!face_set.valid()) { + continue; + } + + result.push_back({face_set, shader_index}); + } + + return result; +} void CachedData::clear() { @@ -54,7 +96,7 @@ void CachedData::clear() subd_start_corner.clear(); transforms.clear(); triangles.clear(); - triangles_loops.clear(); + uv_loops.clear(); vertices.clear(); for (CachedAttribute &attr : attributes) { @@ -101,7 +143,7 @@ bool CachedData::is_constant() const CHECK_IF_CONSTANT(subd_start_corner) CHECK_IF_CONSTANT(transforms) CHECK_IF_CONSTANT(triangles) - CHECK_IF_CONSTANT(triangles_loops) + CHECK_IF_CONSTANT(uv_loops) CHECK_IF_CONSTANT(vertices) for (const CachedAttribute &attr : attributes) { @@ -140,7 +182,7 @@ void CachedData::invalidate_last_loaded_time(bool attributes_only) subd_start_corner.invalidate_last_loaded_time(); transforms.invalidate_last_loaded_time(); triangles.invalidate_last_loaded_time(); - triangles_loops.invalidate_last_loaded_time(); + uv_loops.invalidate_last_loaded_time(); vertices.invalidate_last_loaded_time(); } @@ -161,7 +203,7 @@ void CachedData::set_time_sampling(TimeSampling time_sampling) subd_start_corner.set_time_sampling(time_sampling); transforms.set_time_sampling(time_sampling); triangles.set_time_sampling(time_sampling); - triangles_loops.set_time_sampling(time_sampling); + uv_loops.set_time_sampling(time_sampling); vertices.set_time_sampling(time_sampling); for (CachedAttribute &attr : attributes) { @@ -169,36 +211,6 @@ void CachedData::set_time_sampling(TimeSampling time_sampling) } } -/* get the sample times to load data for the given the start and end frame of the procedural */ -static set<chrono_t> get_relevant_sample_times(AlembicProcedural *proc, - const TimeSampling &time_sampling, - size_t num_samples) -{ - set<chrono_t> result; - - if (num_samples < 2) { - result.insert(0.0); - return result; - } - - double start_frame = (double)(proc->get_start_frame() / proc->get_frame_rate()); - double end_frame = (double)((proc->get_end_frame() + 1) / proc->get_frame_rate()); - - size_t start_index = time_sampling.getFloorIndex(start_frame, num_samples).first; - size_t end_index = time_sampling.getCeilIndex(end_frame, num_samples).first; - - for (size_t i = start_index; i < end_index; ++i) { - result.insert(time_sampling.getSampleTime(i)); - } - - return result; -} - -static float3 make_float3_from_yup(const V3f &v) -{ - return make_float3(v.x, -v.z, v.y); -} - static M44d convert_yup_zup(const M44d &mtx, float scale_mult) { V3d scale, shear, rotation, translation; @@ -366,249 +378,6 @@ static Transform make_transform(const M44d &a, float scale) return trans; } -static void add_uvs(AlembicProcedural *proc, - const IV2fGeomParam &uvs, - CachedData &cached_data, - Progress &progress) -{ - if (uvs.getScope() != kFacevaryingScope) { - return; - } - - const TimeSamplingPtr time_sampling_ptr = uvs.getTimeSampling(); - - TimeSampling time_sampling; - if (time_sampling_ptr) { - time_sampling = *time_sampling_ptr; - } - - std::string name = Alembic::Abc::GetSourceName(uvs.getMetaData()); - - /* According to the convention, primary UVs should have had their name - * set using Alembic::Abc::SetSourceName, but you can't expect everyone - * to follow it! :) */ - if (name.empty()) { - name = uvs.getName(); - } - - CachedData::CachedAttribute &attr = cached_data.add_attribute(ustring(name), time_sampling); - attr.std = ATTR_STD_UV; - - ccl::set<chrono_t> times = get_relevant_sample_times(proc, time_sampling, uvs.getNumSamples()); - - /* Keys used to determine if the UVs do actually change over time. */ - ArraySample::Key previous_indices_key; - ArraySample::Key previous_values_key; - - foreach (chrono_t time, times) { - if (progress.get_cancel()) { - return; - } - - const ISampleSelector iss = ISampleSelector(time); - const IV2fGeomParam::Sample uvsample = uvs.getIndexedValue(iss); - - if (!uvsample.valid()) { - continue; - } - - const array<int3> *triangles = - cached_data.triangles.data_for_time_no_check(time).get_data_or_null(); - const array<int3> *triangles_loops = - cached_data.triangles_loops.data_for_time_no_check(time).get_data_or_null(); - - if (!triangles || !triangles_loops) { - continue; - } - - array<char> data; - data.resize(triangles->size() * 3 * sizeof(float2)); - - float2 *data_float2 = reinterpret_cast<float2 *>(data.data()); - - const ArraySample::Key indices_key = uvsample.getIndices()->getKey(); - const ArraySample::Key values_key = uvsample.getVals()->getKey(); - - if (indices_key == previous_indices_key && values_key == previous_values_key) { - attr.data.reuse_data_for_last_time(time); - } - else { - const unsigned int *indices = uvsample.getIndices()->get(); - const V2f *values = uvsample.getVals()->get(); - - for (const int3 &loop : *triangles_loops) { - unsigned int v0 = indices[loop.x]; - unsigned int v1 = indices[loop.y]; - unsigned int v2 = indices[loop.z]; - - data_float2[0] = make_float2(values[v0][0], values[v0][1]); - data_float2[1] = make_float2(values[v1][0], values[v1][1]); - data_float2[2] = make_float2(values[v2][0], values[v2][1]); - data_float2 += 3; - } - - attr.data.add_data(data, time); - } - - previous_indices_key = indices_key; - previous_values_key = values_key; - } -} - -static void add_normals(const Int32ArraySamplePtr face_indices, - const IN3fGeomParam &normals, - double time, - CachedData &cached_data) -{ - switch (normals.getScope()) { - case kFacevaryingScope: { - const ISampleSelector iss = ISampleSelector(time); - const IN3fGeomParam::Sample sample = normals.getExpandedValue(iss); - - if (!sample.valid()) { - return; - } - - CachedData::CachedAttribute &attr = cached_data.add_attribute(ustring(normals.getName()), - *normals.getTimeSampling()); - attr.std = ATTR_STD_VERTEX_NORMAL; - - const array<float3> *vertices = - cached_data.vertices.data_for_time_no_check(time).get_data_or_null(); - - if (!vertices) { - return; - } - - array<char> data; - data.resize(vertices->size() * sizeof(float3)); - - float3 *data_float3 = reinterpret_cast<float3 *>(data.data()); - - const int *face_indices_array = face_indices->get(); - const N3fArraySamplePtr values = sample.getVals(); - - for (size_t i = 0; i < face_indices->size(); ++i) { - int point_index = face_indices_array[i]; - data_float3[point_index] = make_float3_from_yup(values->get()[i]); - } - - attr.data.add_data(data, time); - break; - } - case kVaryingScope: - case kVertexScope: { - const ISampleSelector iss = ISampleSelector(time); - const IN3fGeomParam::Sample sample = normals.getExpandedValue(iss); - - if (!sample.valid()) { - return; - } - - CachedData::CachedAttribute &attr = cached_data.add_attribute(ustring(normals.getName()), - *normals.getTimeSampling()); - attr.std = ATTR_STD_VERTEX_NORMAL; - - const array<float3> *vertices = - cached_data.vertices.data_for_time_no_check(time).get_data_or_null(); - - if (!vertices) { - return; - } - - array<char> data; - data.resize(vertices->size() * sizeof(float3)); - - float3 *data_float3 = reinterpret_cast<float3 *>(data.data()); - - const Imath::V3f *values = sample.getVals()->get(); - - for (size_t i = 0; i < vertices->size(); ++i) { - data_float3[i] = make_float3_from_yup(values[i]); - } - - attr.data.add_data(data, time); - - break; - } - default: { - break; - } - } -} - -static void add_positions(const P3fArraySamplePtr positions, double time, CachedData &cached_data) -{ - if (!positions) { - return; - } - - array<float3> vertices; - vertices.reserve(positions->size()); - - for (size_t i = 0; i < positions->size(); i++) { - V3f f = positions->get()[i]; - vertices.push_back_reserved(make_float3_from_yup(f)); - } - - cached_data.vertices.add_data(vertices, time); -} - -static void add_triangles(const Int32ArraySamplePtr face_counts, - const Int32ArraySamplePtr face_indices, - double time, - CachedData &cached_data, - const array<int> &polygon_to_shader) -{ - if (!face_counts || !face_indices) { - return; - } - - const size_t num_faces = face_counts->size(); - const int *face_counts_array = face_counts->get(); - const int *face_indices_array = face_indices->get(); - - size_t num_triangles = 0; - for (size_t i = 0; i < face_counts->size(); i++) { - num_triangles += face_counts_array[i] - 2; - } - - array<int> shader; - array<int3> triangles; - array<int3> triangles_loops; - shader.reserve(num_triangles); - triangles.reserve(num_triangles); - triangles_loops.reserve(num_triangles); - int index_offset = 0; - - for (size_t i = 0; i < num_faces; i++) { - int current_shader = 0; - - if (!polygon_to_shader.empty()) { - current_shader = polygon_to_shader[i]; - } - - for (int j = 0; j < face_counts_array[i] - 2; j++) { - int v0 = face_indices_array[index_offset]; - int v1 = face_indices_array[index_offset + j + 1]; - int v2 = face_indices_array[index_offset + j + 2]; - - shader.push_back_reserved(current_shader); - - /* Alembic orders the loops following the RenderMan convention, so need to go in reverse. */ - triangles.push_back_reserved(make_int3(v2, v1, v0)); - triangles_loops.push_back_reserved( - make_int3(index_offset + j + 2, index_offset + j + 1, index_offset)); - } - - index_offset += face_counts_array[i]; - } - - cached_data.triangles.add_data(triangles, time); - cached_data.triangles_loops.add_data(triangles_loops, time); - cached_data.shader.add_data(shader, time); -} - NODE_DEFINE(AlembicObject) { NodeType *type = NodeType::add("alembic_object", create); @@ -648,398 +417,137 @@ bool AlembicObject::has_data_loaded() const return data_loaded; } -void AlembicObject::update_shader_attributes(const ICompoundProperty &arb_geom_params, - Progress &progress) -{ - AttributeRequestSet requested_attributes = get_requested_attributes(); - - foreach (const AttributeRequest &attr, requested_attributes.requests) { - if (progress.get_cancel()) { - return; - } - - bool attr_exists = false; - foreach (CachedData::CachedAttribute &cached_attr, cached_data.attributes) { - if (cached_attr.name == attr.name) { - attr_exists = true; - break; - } - } - - if (attr_exists) { - continue; - } - - read_attribute(arb_geom_params, attr.name, progress); - } - - cached_data.invalidate_last_loaded_time(true); - need_shader_update = false; -} - -template<typename SchemaType> -void AlembicObject::read_face_sets(SchemaType &schema, - array<int> &polygon_to_shader, - ISampleSelector sample_sel) -{ - std::vector<std::string> face_sets; - schema.getFaceSetNames(face_sets); - - if (face_sets.empty()) { - return; - } - - const Int32ArraySamplePtr face_counts = schema.getFaceCountsProperty().getValue(); - - polygon_to_shader.resize(face_counts->size()); - - foreach (const std::string &face_set_name, face_sets) { - int shader_index = 0; - - foreach (Node *node, get_used_shaders()) { - if (node->name == face_set_name) { - break; - } - - ++shader_index; - } - - if (shader_index >= get_used_shaders().size()) { - /* use the first shader instead if none was found */ - shader_index = 0; - } - - const IFaceSet face_set = schema.getFaceSet(face_set_name); - - if (!face_set.valid()) { - continue; - } - - const IFaceSetSchema face_schem = face_set.getSchema(); - const IFaceSetSchema::Sample face_sample = face_schem.getValue(sample_sel); - const Int32ArraySamplePtr group_faces = face_sample.getFaces(); - const size_t num_group_faces = group_faces->size(); - - for (size_t l = 0; l < num_group_faces; l++) { - size_t pos = (*group_faces)[l]; - - if (pos >= polygon_to_shader.size()) { - continue; - } - - polygon_to_shader[pos] = shader_index; - } - } -} - -void AlembicObject::load_all_data(AlembicProcedural *proc, - IPolyMeshSchema &schema, - Progress &progress) +void AlembicObject::load_data_in_cache(CachedData &cached_data, + AlembicProcedural *proc, + IPolyMeshSchema &schema, + Progress &progress) { - cached_data.clear(); - /* Only load data for the original Geometry. */ if (instance_of) { return; } - const TimeSamplingPtr time_sampling = schema.getTimeSampling(); - cached_data.set_time_sampling(*time_sampling); - - const IN3fGeomParam &normals = schema.getNormalsParam(); - - ccl::set<chrono_t> times = get_relevant_sample_times( - proc, *time_sampling, schema.getNumSamples()); - - /* Key used to determine if the triangles change over time, if the key is the same as the - * last one, we can avoid creating a new entry in the cache and simply point to the last - * frame. */ - ArraySample::Key previous_key; - - /* read topology */ - foreach (chrono_t time, times) { - if (progress.get_cancel()) { - return; - } - - const ISampleSelector iss = ISampleSelector(time); - const IPolyMeshSchema::Sample sample = schema.getValue(iss); - - add_positions(sample.getPositions(), time, cached_data); - - /* Only copy triangles for other frames if the topology is changing over time as well. */ - if (schema.getTopologyVariance() != kHomogenousTopology || cached_data.triangles.size() == 0) { - const ArraySample::Key key = sample.getFaceIndices()->getKey(); - - if (key == previous_key) { - cached_data.triangles.reuse_data_for_last_time(time); - cached_data.triangles_loops.reuse_data_for_last_time(time); - cached_data.shader.reuse_data_for_last_time(time); - } - else { - /* start by reading the face sets (per face shader), as we directly split polygons to - * triangles - */ - array<int> polygon_to_shader; - read_face_sets(schema, polygon_to_shader, iss); - - add_triangles( - sample.getFaceCounts(), sample.getFaceIndices(), time, cached_data, polygon_to_shader); - } + cached_data.clear(); - previous_key = key; - } + PolyMeshSchemaData data; + data.topology_variance = schema.getTopologyVariance(); + data.time_sampling = schema.getTimeSampling(); + data.positions = schema.getPositionsProperty(); + data.face_counts = schema.getFaceCountsProperty(); + data.face_indices = schema.getFaceIndicesProperty(); + data.normals = schema.getNormalsParam(); + data.num_samples = schema.getNumSamples(); + data.shader_face_sets = parse_face_sets_for_shader_assignment(schema, get_used_shaders()); - if (normals.valid()) { - add_normals(sample.getFaceIndices(), normals, time, cached_data); - } - } + read_geometry_data(proc, cached_data, data, progress); if (progress.get_cancel()) { return; } - update_shader_attributes(schema.getArbGeomParams(), progress); + /* Use the schema as the base compound property to also be able to look for top level properties. + */ + read_attributes( + proc, cached_data, schema, schema.getUVsParam(), get_requested_attributes(), progress); if (progress.get_cancel()) { return; } - const IV2fGeomParam &uvs = schema.getUVsParam(); - - if (uvs.valid()) { - add_uvs(proc, uvs, cached_data, progress); - } - + cached_data.invalidate_last_loaded_time(true); data_loaded = true; } -void AlembicObject::load_all_data(AlembicProcedural *proc, ISubDSchema &schema, Progress &progress) +void AlembicObject::load_data_in_cache(CachedData &cached_data, + AlembicProcedural *proc, + ISubDSchema &schema, + Progress &progress) { - cached_data.clear(); - /* Only load data for the original Geometry. */ if (instance_of) { return; } - AttributeRequestSet requested_attributes = get_requested_attributes(); - - const TimeSamplingPtr time_sampling = schema.getTimeSampling(); - cached_data.set_time_sampling(*time_sampling); - - ccl::set<chrono_t> times = get_relevant_sample_times( - proc, *time_sampling, schema.getNumSamples()); - - /* read topology */ - foreach (chrono_t time, times) { - if (progress.get_cancel()) { - return; - } - - const ISampleSelector iss = ISampleSelector(time); - const ISubDSchema::Sample sample = schema.getValue(iss); - - add_positions(sample.getPositions(), time, cached_data); - - const Int32ArraySamplePtr face_counts = sample.getFaceCounts(); - const Int32ArraySamplePtr face_indices = sample.getFaceIndices(); - - /* start by reading the face sets (per face shader) */ - array<int> polygon_to_shader; - read_face_sets(schema, polygon_to_shader, iss); - - /* read faces */ - array<int> subd_start_corner; - array<int> shader; - array<int> subd_num_corners; - array<bool> subd_smooth; - array<int> subd_ptex_offset; - array<int> subd_face_corners; - - const size_t num_faces = face_counts->size(); - const int *face_counts_array = face_counts->get(); - const int *face_indices_array = face_indices->get(); - - int num_ngons = 0; - int num_corners = 0; - for (size_t i = 0; i < face_counts->size(); i++) { - num_ngons += (face_counts_array[i] == 4 ? 0 : 1); - num_corners += face_counts_array[i]; - } - - subd_start_corner.reserve(num_faces); - subd_num_corners.reserve(num_faces); - subd_smooth.reserve(num_faces); - subd_ptex_offset.reserve(num_faces); - shader.reserve(num_faces); - subd_face_corners.reserve(num_corners); - - int start_corner = 0; - int current_shader = 0; - int ptex_offset = 0; - - for (size_t i = 0; i < face_counts->size(); i++) { - num_corners = face_counts_array[i]; - - if (!polygon_to_shader.empty()) { - current_shader = polygon_to_shader[i]; - } - - subd_start_corner.push_back_reserved(start_corner); - subd_num_corners.push_back_reserved(num_corners); - - for (int j = 0; j < num_corners; ++j) { - subd_face_corners.push_back_reserved(face_indices_array[start_corner + j]); - } - - shader.push_back_reserved(current_shader); - subd_smooth.push_back_reserved(1); - subd_ptex_offset.push_back_reserved(ptex_offset); - - ptex_offset += (num_corners == 4 ? 1 : num_corners); - - start_corner += num_corners; - } - - cached_data.shader.add_data(shader, time); - cached_data.subd_start_corner.add_data(subd_start_corner, time); - cached_data.subd_num_corners.add_data(subd_num_corners, time); - cached_data.subd_smooth.add_data(subd_smooth, time); - cached_data.subd_ptex_offset.add_data(subd_ptex_offset, time); - cached_data.subd_face_corners.add_data(subd_face_corners, time); - cached_data.num_ngons.add_data(num_ngons, time); - - /* read creases */ - Int32ArraySamplePtr creases_length = sample.getCreaseLengths(); - Int32ArraySamplePtr creases_indices = sample.getCreaseIndices(); - FloatArraySamplePtr creases_sharpnesses = sample.getCreaseSharpnesses(); - - if (creases_length && creases_indices && creases_sharpnesses) { - array<int> creases_edge; - array<float> creases_weight; - - creases_edge.reserve(creases_sharpnesses->size() * 2); - creases_weight.reserve(creases_sharpnesses->size()); - - int length_offset = 0; - int weight_offset = 0; - for (size_t c = 0; c < creases_length->size(); ++c) { - const int crease_length = creases_length->get()[c]; - - for (size_t j = 0; j < crease_length - 1; ++j) { - creases_edge.push_back_reserved(creases_indices->get()[length_offset + j]); - creases_edge.push_back_reserved(creases_indices->get()[length_offset + j + 1]); - creases_weight.push_back_reserved(creases_sharpnesses->get()[weight_offset++]); - } - - length_offset += crease_length; - } - - cached_data.subd_creases_edge.add_data(creases_edge, time); - cached_data.subd_creases_weight.add_data(creases_weight, time); - } - } + cached_data.clear(); - /* TODO(@kevindietrich) : attributes, need test files */ + SubDSchemaData data; + data.time_sampling = schema.getTimeSampling(); + data.num_samples = schema.getNumSamples(); + data.topology_variance = schema.getTopologyVariance(); + data.face_counts = schema.getFaceCountsProperty(); + data.face_indices = schema.getFaceIndicesProperty(); + data.positions = schema.getPositionsProperty(); + data.face_varying_interpolate_boundary = schema.getFaceVaryingInterpolateBoundaryProperty(); + data.face_varying_propagate_corners = schema.getFaceVaryingPropagateCornersProperty(); + data.interpolate_boundary = schema.getInterpolateBoundaryProperty(); + data.crease_indices = schema.getCreaseIndicesProperty(); + data.crease_lengths = schema.getCreaseLengthsProperty(); + data.crease_sharpnesses = schema.getCreaseSharpnessesProperty(); + data.corner_indices = schema.getCornerIndicesProperty(); + data.corner_sharpnesses = schema.getCornerSharpnessesProperty(); + data.holes = schema.getHolesProperty(); + data.subdivision_scheme = schema.getSubdivisionSchemeProperty(); + data.velocities = schema.getVelocitiesProperty(); + data.shader_face_sets = parse_face_sets_for_shader_assignment(schema, get_used_shaders()); + + read_geometry_data(proc, cached_data, data, progress); if (progress.get_cancel()) { return; } + /* Use the schema as the base compound property to also be able to look for top level properties. + */ + read_attributes( + proc, cached_data, schema, schema.getUVsParam(), get_requested_attributes(), progress); + + cached_data.invalidate_last_loaded_time(true); data_loaded = true; } -void AlembicObject::load_all_data(AlembicProcedural *proc, - const ICurvesSchema &schema, - Progress &progress, - float default_radius) +void AlembicObject::load_data_in_cache(CachedData &cached_data, + AlembicProcedural *proc, + const ICurvesSchema &schema, + Progress &progress) { - cached_data.clear(); - /* Only load data for the original Geometry. */ if (instance_of) { return; } - const TimeSamplingPtr time_sampling = schema.getTimeSampling(); - cached_data.set_time_sampling(*time_sampling); - - ccl::set<chrono_t> times = get_relevant_sample_times( - proc, *time_sampling, schema.getNumSamples()); - - foreach (chrono_t time, times) { - if (progress.get_cancel()) { - return; - } - - const ISampleSelector iss = ISampleSelector(time); - const ICurvesSchema::Sample sample = schema.getValue(iss); - - const Int32ArraySamplePtr curves_num_vertices = sample.getCurvesNumVertices(); - const P3fArraySamplePtr position = sample.getPositions(); - - const IFloatGeomParam widths_param = schema.getWidthsParam(); - FloatArraySamplePtr radiuses; - - if (widths_param.valid()) { - IFloatGeomParam::Sample wsample = widths_param.getExpandedValue(iss); - radiuses = wsample.getVals(); - } - - const bool do_radius = (radiuses != nullptr) && (radiuses->size() > 1); - float radius = (radiuses && radiuses->size() == 1) ? (*radiuses)[0] : default_radius; - - array<float3> curve_keys; - array<float> curve_radius; - array<int> curve_first_key; - array<int> curve_shader; - - const bool is_homogenous = schema.getTopologyVariance() == kHomogenousTopology; - - curve_keys.reserve(position->size()); - curve_radius.reserve(position->size()); - curve_first_key.reserve(curves_num_vertices->size()); - curve_shader.reserve(curves_num_vertices->size()); - - int offset = 0; - for (size_t i = 0; i < curves_num_vertices->size(); i++) { - const int num_vertices = curves_num_vertices->get()[i]; - - for (int j = 0; j < num_vertices; j++) { - const V3f &f = position->get()[offset + j]; - curve_keys.push_back_reserved(make_float3_from_yup(f)); - - if (do_radius) { - radius = (*radiuses)[offset + j]; - } - - curve_radius.push_back_reserved(radius * radius_scale); - } - - if (!is_homogenous || cached_data.curve_first_key.size() == 0) { - curve_first_key.push_back_reserved(offset); - curve_shader.push_back_reserved(0); - } - - offset += num_vertices; - } + cached_data.clear(); - cached_data.curve_keys.add_data(curve_keys, time); - cached_data.curve_radius.add_data(curve_radius, time); + CurvesSchemaData data; + data.positions = schema.getPositionsProperty(); + data.position_weights = schema.getPositionWeightsProperty(); + data.normals = schema.getNormalsParam(); + data.knots = schema.getKnotsProperty(); + data.orders = schema.getOrdersProperty(); + data.widths = schema.getWidthsParam(); + data.velocities = schema.getVelocitiesProperty(); + data.time_sampling = schema.getTimeSampling(); + data.topology_variance = schema.getTopologyVariance(); + data.num_samples = schema.getNumSamples(); + data.num_vertices = schema.getNumVerticesProperty(); + data.default_radius = proc->get_default_radius(); + data.radius_scale = get_radius_scale(); + + read_geometry_data(proc, cached_data, data, progress); - if (!is_homogenous || cached_data.curve_first_key.size() == 0) { - cached_data.curve_first_key.add_data(curve_first_key, time); - cached_data.curve_shader.add_data(curve_shader, time); - } + if (progress.get_cancel()) { + return; } - // TODO(@kevindietrich): attributes, need example files + /* Use the schema as the base compound property to also be able to look for top level properties. + */ + read_attributes( + proc, cached_data, schema, schema.getUVsParam(), get_requested_attributes(), progress); + cached_data.invalidate_last_loaded_time(true); data_loaded = true; } -void AlembicObject::setup_transform_cache(float scale) +void AlembicObject::setup_transform_cache(CachedData &cached_data, float scale) { cached_data.transforms.clear(); cached_data.transforms.invalidate_last_loaded_time(); @@ -1102,188 +610,6 @@ AttributeRequestSet AlembicObject::get_requested_attributes() return requested_attributes; } -void AlembicObject::read_attribute(const ICompoundProperty &arb_geom_params, - const ustring &attr_name, - Progress &progress) -{ - const PropertyHeader *prop = arb_geom_params.getPropertyHeader(attr_name.c_str()); - - if (prop == nullptr) { - return; - } - - if (IV2fProperty::matches(prop->getMetaData()) && Alembic::AbcGeom::isUV(*prop)) { - const IV2fGeomParam ¶m = IV2fGeomParam(arb_geom_params, prop->getName()); - - CachedData::CachedAttribute &attribute = cached_data.add_attribute(attr_name, - *param.getTimeSampling()); - - for (size_t i = 0; i < param.getNumSamples(); ++i) { - if (progress.get_cancel()) { - return; - } - - ISampleSelector iss = ISampleSelector(index_t(i)); - - IV2fGeomParam::Sample sample; - param.getIndexed(sample, iss); - - const chrono_t time = param.getTimeSampling()->getSampleTime(index_t(i)); - - if (param.getScope() == kFacevaryingScope) { - V2fArraySamplePtr values = sample.getVals(); - UInt32ArraySamplePtr indices = sample.getIndices(); - - attribute.std = ATTR_STD_NONE; - attribute.element = ATTR_ELEMENT_CORNER; - attribute.type_desc = TypeFloat2; - - const array<int3> *triangles = - cached_data.triangles.data_for_time_no_check(time).get_data_or_null(); - const array<int3> *triangles_loops = - cached_data.triangles_loops.data_for_time_no_check(time).get_data_or_null(); - - if (!triangles || !triangles_loops) { - return; - } - - array<char> data; - data.resize(triangles->size() * 3 * sizeof(float2)); - - float2 *data_float2 = reinterpret_cast<float2 *>(data.data()); - - for (const int3 &loop : *triangles_loops) { - unsigned int v0 = (*indices)[loop.x]; - unsigned int v1 = (*indices)[loop.y]; - unsigned int v2 = (*indices)[loop.z]; - - data_float2[0] = make_float2((*values)[v0][0], (*values)[v0][1]); - data_float2[1] = make_float2((*values)[v1][0], (*values)[v1][1]); - data_float2[2] = make_float2((*values)[v2][0], (*values)[v2][1]); - data_float2 += 3; - } - - attribute.data.set_time_sampling(*param.getTimeSampling()); - attribute.data.add_data(data, time); - } - } - } - else if (IC3fProperty::matches(prop->getMetaData())) { - const IC3fGeomParam ¶m = IC3fGeomParam(arb_geom_params, prop->getName()); - - CachedData::CachedAttribute &attribute = cached_data.add_attribute(attr_name, - *param.getTimeSampling()); - - for (size_t i = 0; i < param.getNumSamples(); ++i) { - if (progress.get_cancel()) { - return; - } - - ISampleSelector iss = ISampleSelector(index_t(i)); - - IC3fGeomParam::Sample sample; - param.getIndexed(sample, iss); - - const chrono_t time = param.getTimeSampling()->getSampleTime(index_t(i)); - - C3fArraySamplePtr values = sample.getVals(); - - attribute.std = ATTR_STD_NONE; - - if (param.getScope() == kVaryingScope) { - attribute.element = ATTR_ELEMENT_CORNER_BYTE; - attribute.type_desc = TypeRGBA; - - const array<int3> *triangles = - cached_data.triangles.data_for_time_no_check(time).get_data_or_null(); - - if (!triangles) { - return; - } - - array<char> data; - data.resize(triangles->size() * 3 * sizeof(uchar4)); - - uchar4 *data_uchar4 = reinterpret_cast<uchar4 *>(data.data()); - - int offset = 0; - for (const int3 &tri : *triangles) { - Imath::C3f v = (*values)[tri.x]; - data_uchar4[offset + 0] = color_float_to_byte(make_float3(v.x, v.y, v.z)); - - v = (*values)[tri.y]; - data_uchar4[offset + 1] = color_float_to_byte(make_float3(v.x, v.y, v.z)); - - v = (*values)[tri.z]; - data_uchar4[offset + 2] = color_float_to_byte(make_float3(v.x, v.y, v.z)); - - offset += 3; - } - - attribute.data.set_time_sampling(*param.getTimeSampling()); - attribute.data.add_data(data, time); - } - } - } - else if (IC4fProperty::matches(prop->getMetaData())) { - const IC4fGeomParam ¶m = IC4fGeomParam(arb_geom_params, prop->getName()); - - CachedData::CachedAttribute &attribute = cached_data.add_attribute(attr_name, - *param.getTimeSampling()); - - for (size_t i = 0; i < param.getNumSamples(); ++i) { - if (progress.get_cancel()) { - return; - } - - ISampleSelector iss = ISampleSelector(index_t(i)); - - IC4fGeomParam::Sample sample; - param.getIndexed(sample, iss); - - const chrono_t time = param.getTimeSampling()->getSampleTime(index_t(i)); - - C4fArraySamplePtr values = sample.getVals(); - - attribute.std = ATTR_STD_NONE; - - if (param.getScope() == kVaryingScope) { - attribute.element = ATTR_ELEMENT_CORNER_BYTE; - attribute.type_desc = TypeRGBA; - - const array<int3> *triangles = - cached_data.triangles.data_for_time_no_check(time).get_data_or_null(); - - if (!triangles) { - return; - } - - array<char> data; - data.resize(triangles->size() * 3 * sizeof(uchar4)); - - uchar4 *data_uchar4 = reinterpret_cast<uchar4 *>(data.data()); - - int offset = 0; - for (const int3 &tri : *triangles) { - Imath::C4f v = (*values)[tri.x]; - data_uchar4[offset + 0] = color_float4_to_uchar4(make_float4(v.r, v.g, v.b, v.a)); - - v = (*values)[tri.y]; - data_uchar4[offset + 1] = color_float4_to_uchar4(make_float4(v.r, v.g, v.b, v.a)); - - v = (*values)[tri.z]; - data_uchar4[offset + 2] = color_float4_to_uchar4(make_float4(v.r, v.g, v.b, v.a)); - - offset += 3; - } - - attribute.data.set_time_sampling(*param.getTimeSampling()); - attribute.data.add_data(data, time); - } - } - } -} - /* Update existing attributes and remove any attribute not in the cached_data, those attributes * were added by Cycles (e.g. face normals) */ static void update_attributes(AttributeSet &attributes, CachedData &cached_data, double frame_time) @@ -1291,7 +617,11 @@ static void update_attributes(AttributeSet &attributes, CachedData &cached_data, set<Attribute *> cached_attributes; for (CachedData::CachedAttribute &attribute : cached_data.attributes) { - const array<char> *attr_data = attribute.data.data_for_time(frame_time).get_data_or_null(); + const CacheLookupResult<array<char>> result = attribute.data.data_for_time(frame_time); + + if (result.has_no_data_for_time()) { + continue; + } Attribute *attr = nullptr; if (attribute.std != ATTR_STD_NONE) { @@ -1304,18 +634,19 @@ static void update_attributes(AttributeSet &attributes, CachedData &cached_data, cached_attributes.insert(attr); - if (!attr_data) { - /* no new data */ + if (!result.has_new_data()) { continue; } + const ccl::array<char> &attr_data = result.get_data(); + /* weak way of detecting if the topology has changed * todo: reuse code from device_update patch */ - if (attr->buffer.size() != attr_data->size()) { - attr->buffer.resize(attr_data->size()); + if (attr->buffer.size() != attr_data.size()) { + attr->buffer.resize(attr_data.size()); } - memcpy(attr->data(), attr_data->data(), attr_data->size()); + memcpy(attr->data(), attr_data.data(), attr_data.size()); attr->modified = true; } @@ -1323,8 +654,7 @@ static void update_attributes(AttributeSet &attributes, CachedData &cached_data, list<Attribute>::iterator it; for (it = attributes.attributes.begin(); it != attributes.attributes.end();) { if (cached_attributes.find(&(*it)) == cached_attributes.end()) { - attributes.attributes.erase(it++); - attributes.modified = true; + attributes.remove(it++); continue; } @@ -1407,6 +737,15 @@ void AlembicProcedural::generate(Scene *scene, Progress &progress) need_data_updates = true; } + /* Check if the shaders were modified. */ + if (object->used_shaders_is_modified() && object->get_object() && + object->get_object()->get_geometry()) { + Geometry *geometry = object->get_object()->get_geometry(); + array<Node *> used_shaders = object->get_used_shaders(); + geometry->set_used_shaders(used_shaders); + need_shader_updates = true; + } + /* Check for changes in shaders (e.g. newly requested attributes). */ foreach (Node *shader_node, object->get_used_shaders()) { Shader *shader = static_cast<Shader *>(shader_node); @@ -1467,6 +806,7 @@ void AlembicProcedural::generate(Scene *scene, Progress &progress) read_subd(object, frame_time); } + object->need_shader_update = false; object->clear_modified(); } @@ -1586,6 +926,11 @@ void AlembicProcedural::read_mesh(AlembicObject *abc_object, Abc::chrono_t frame Mesh *mesh = static_cast<Mesh *>(object->get_geometry()); + /* Make sure shader ids are also updated. */ + if (mesh->used_shaders_is_modified()) { + mesh->tag_shader_modified(); + } + cached_data.vertices.copy_to_socket(frame_time, mesh, mesh->get_verts_socket()); cached_data.shader.copy_to_socket(frame_time, mesh, mesh->get_shader_socket()); @@ -1653,6 +998,11 @@ void AlembicProcedural::read_subd(AlembicObject *abc_object, Abc::chrono_t frame Mesh *mesh = static_cast<Mesh *>(object->get_geometry()); + /* Make sure shader ids are also updated. */ + if (mesh->used_shaders_is_modified()) { + mesh->tag_shader_modified(); + } + /* Cycles overwrites the original triangles when computing displacement, so we always have to * repass the data if something is animated (vertices most likely) to avoid buffer overflows. */ if (!cached_data.is_constant()) { @@ -1743,6 +1093,11 @@ void AlembicProcedural::read_curves(AlembicObject *abc_object, Abc::chrono_t fra Hair *hair = static_cast<Hair *>(object->get_geometry()); + /* Make sure shader ids are also updated. */ + if (hair->used_shaders_is_modified()) { + hair->tag_curve_shader_modified(); + } + cached_data.curve_keys.copy_to_socket(frame_time, hair, hair->get_curve_keys_socket()); cached_data.curve_radius.copy_to_socket(frame_time, hair, hair->get_curve_radius_socket()); @@ -1936,12 +1291,17 @@ void AlembicProcedural::build_caches(Progress &progress) if (!object->has_data_loaded()) { IPolyMesh polymesh(object->iobject, Alembic::Abc::kWrapExisting); IPolyMeshSchema schema = polymesh.getSchema(); - object->load_all_data(this, schema, progress); + object->load_data_in_cache(object->get_cached_data(), this, schema, progress); } else if (object->need_shader_update) { IPolyMesh polymesh(object->iobject, Alembic::Abc::kWrapExisting); IPolyMeshSchema schema = polymesh.getSchema(); - object->update_shader_attributes(schema.getArbGeomParams(), progress); + read_attributes(this, + object->get_cached_data(), + schema, + schema.getUVsParam(), + object->get_requested_attributes(), + progress); } } else if (object->schema_type == AlembicObject::CURVES) { @@ -1949,24 +1309,29 @@ void AlembicProcedural::build_caches(Progress &progress) object->radius_scale_is_modified()) { ICurves curves(object->iobject, Alembic::Abc::kWrapExisting); ICurvesSchema schema = curves.getSchema(); - object->load_all_data(this, schema, progress, default_radius); + object->load_data_in_cache(object->get_cached_data(), this, schema, progress); } } else if (object->schema_type == AlembicObject::SUBD) { if (!object->has_data_loaded()) { ISubD subd_mesh(object->iobject, Alembic::Abc::kWrapExisting); ISubDSchema schema = subd_mesh.getSchema(); - object->load_all_data(this, schema, progress); + object->load_data_in_cache(object->get_cached_data(), this, schema, progress); } else if (object->need_shader_update) { ISubD subd_mesh(object->iobject, Alembic::Abc::kWrapExisting); ISubDSchema schema = subd_mesh.getSchema(); - object->update_shader_attributes(schema.getArbGeomParams(), progress); + read_attributes(this, + object->get_cached_data(), + schema, + schema.getUVsParam(), + object->get_requested_attributes(), + progress); } } if (scale_is_modified() || object->get_cached_data().transforms.size() == 0) { - object->setup_transform_cache(scale); + object->setup_transform_cache(object->get_cached_data(), scale); } } } |