| 40 | } |
| 41 | |
| 42 | NormalAccessorType |
| 43 | getNormalAccessorView(const Model& model, const MeshPrimitive& primitive) { |
| 44 | auto normalAttribute = primitive.attributes.find("NORMAL"); |
| 45 | if (normalAttribute == primitive.attributes.end()) { |
| 46 | return NormalAccessorType(); |
| 47 | } |
| 48 | |
| 49 | const Accessor* pAccessor = |
| 50 | model.getSafe<Accessor>(&model.accessors, normalAttribute->second); |
| 51 | if (!pAccessor || pAccessor->type != Accessor::Type::VEC3) { |
| 52 | return NormalAccessorType(); |
| 53 | } |
| 54 | |
| 55 | switch (pAccessor->componentType) { |
| 56 | case Accessor::ComponentType::BYTE: |
| 57 | if (pAccessor->normalized) { |
| 58 | return AccessorView<AccessorTypes::VEC3<int8_t>>(model, *pAccessor); |
| 59 | } else { |
| 60 | // Invalid accessor, BYTE must be normalized |
| 61 | return NormalAccessorType(); |
| 62 | } |
| 63 | case Accessor::ComponentType::SHORT: |
| 64 | if (pAccessor->normalized) { |
| 65 | return AccessorView<AccessorTypes::VEC3<int16_t>>(model, *pAccessor); |
| 66 | } else { |
| 67 | // Invalid accessor, SHORT must be normalized |
| 68 | return NormalAccessorType(); |
| 69 | } |
| 70 | case Accessor::ComponentType::FLOAT: |
| 71 | return AccessorView<AccessorTypes::VEC3<float>>(model, *pAccessor); |
| 72 | default: |
| 73 | return NormalAccessorType(); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | namespace { |
| 78 | FeatureIdAccessorType getFeatureIdViewFromAccessorIndex( |
no test coverage detected