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Cleanup: Use attribute API to create mesh attributes in Freestyle

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This commit is contained in:
Hans Goudey
2025-07-10 11:44:27 -04:00
committed by Hans Goudey
parent 1f1d2f4252
commit 93f6adcaf1
1 changed files with 24 additions and 11 deletions
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35
source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp
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@@ -584,6 +584,7 @@ int BlenderStrokeRenderer::get_stroke_count() const
// Build a mesh object representing a group of stylized strokes
void BlenderStrokeRenderer::GenerateStrokeMesh(StrokeGroup *group, bool hasTex)
{
using namespace blender;
#if 0
Object *object_mesh = BKE_object_add(
freestyle_bmain, (ViewLayer *)freestyle_scene->view_layers.first, OB_MESH);
@@ -599,18 +600,24 @@ void BlenderStrokeRenderer::GenerateStrokeMesh(StrokeGroup *group, bool hasTex)
mesh->corners_num = group->totloop;
mesh->totcol = group->materials.size();
BKE_mesh_face_offsets_ensure_alloc(mesh);
float3 *vert_positions = (float3 *)CustomData_add_layer_named(
&mesh->vert_data, CD_PROP_FLOAT3, CD_SET_DEFAULT, mesh->verts_num, "position");
blender::int2 *edges = (blender::int2 *)CustomData_add_layer_named(
&mesh->edge_data, CD_PROP_INT32_2D, CD_CONSTRUCT, mesh->edges_num, ".edge_verts");
blender::bke::MutableAttributeAccessor attributes = mesh->attributes_for_write();
blender::MutableSpan<int> face_offsets = mesh->face_offsets_for_write();
int *corner_verts = (int *)CustomData_add_layer_named(
&mesh->corner_data, CD_PROP_INT32, CD_SET_DEFAULT, mesh->corners_num, ".corner_vert");
int *corner_edges = (int *)CustomData_add_layer_named(
&mesh->corner_data, CD_PROP_INT32, CD_SET_DEFAULT, mesh->corners_num, ".corner_edge");
int *material_indices = (int *)CustomData_add_layer_named(
&mesh->face_data, CD_PROP_INT32, CD_SET_DEFAULT, mesh->faces_num, "material_index");
bke::SpanAttributeWriter position_attr = attributes.lookup_or_add_for_write_span<float3>(
"position", bke::AttrDomain::Point);
bke::SpanAttributeWriter edge_verts_attr = attributes.lookup_or_add_for_write_span<int2>(
".edge_verts", bke::AttrDomain::Edge);
bke::SpanAttributeWriter corner_vert_attr = attributes.lookup_or_add_for_write_span<int>(
".corner_vert", bke::AttrDomain::Corner);
bke::SpanAttributeWriter corner_edge_attr = attributes.lookup_or_add_for_write_span<int>(
".corner_edge", bke::AttrDomain::Corner);
bke::SpanAttributeWriter material_index_attr = attributes.lookup_or_add_for_write_span<int>(
"material_index", bke::AttrDomain::Face);
float3 *vert_positions = position_attr.span.data();
int2 *edges = edge_verts_attr.span.data();
int *corner_verts = corner_vert_attr.span.data();
int *corner_edges = corner_edge_attr.span.data();
int *material_indices = material_index_attr.span.data();
blender::float2 *loopsuv[2] = {nullptr};
if (hasTex) {
@@ -818,6 +825,12 @@ void BlenderStrokeRenderer::GenerateStrokeMesh(StrokeGroup *group, bool hasTex)
BKE_object_materials_sync_length(freestyle_bmain, object_mesh, (ID *)mesh);
position_attr.finish();
edge_verts_attr.finish();
corner_vert_attr.finish();
corner_edge_attr.finish();
material_index_attr.finish();
#if 0 // XXX
BLI_assert(mesh->verts_num == vertex_index);
BLI_assert(mesh->edges_num == edge_index);