Differential D4501 Diff 14697 extern/draco/dracoenc/src/draco/mesh/triangle_soup_mesh_builder_test.cc
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extern/draco/dracoenc/src/draco/mesh/triangle_soup_mesh_builder_test.cc
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| // Copyright 2016 The Draco Authors. | |||||
| // | |||||
| // Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| // you may not use this file except in compliance with the License. | |||||
| // You may obtain a copy of the License at | |||||
| // | |||||
| // http://www.apache.org/licenses/LICENSE-2.0 | |||||
| // | |||||
| // Unless required by applicable law or agreed to in writing, software | |||||
| // distributed under the License is distributed on an "AS IS" BASIS, | |||||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| // See the License for the specific language governing permissions and | |||||
| // limitations under the License. | |||||
| // | |||||
| #include "draco/mesh/triangle_soup_mesh_builder.h" | |||||
| #include "draco/core/draco_test_base.h" | |||||
| #include "draco/core/vector_d.h" | |||||
| namespace draco { | |||||
| class TriangleSoupMeshBuilderTest : public ::testing::Test {}; | |||||
| TEST_F(TriangleSoupMeshBuilderTest, CubeTest) { | |||||
| // This tests, verifies that the mesh builder constructs a valid cube out | |||||
| // of the provided triangle soup data. | |||||
| TriangleSoupMeshBuilder mb; | |||||
| mb.Start(12); | |||||
| const int pos_att_id = | |||||
| mb.AddAttribute(GeometryAttribute::POSITION, 3, DT_FLOAT32); | |||||
| // clang-format off | |||||
| // Front face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(0), | |||||
| Vector3f(0.f, 0.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(0.f, 1.f, 0.f).data()); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(1), | |||||
| Vector3f(0.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(1.f, 1.f, 0.f).data()); | |||||
| // Back face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(2), | |||||
| Vector3f(0.f, 1.f, 1.f).data(), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(0.f, 0.f, 1.f).data()); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(3), | |||||
| Vector3f(1.f, 1.f, 1.f).data(), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(0.f, 1.f, 1.f).data()); | |||||
| // Top face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(4), | |||||
| Vector3f(0.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 1.f, 0.f).data(), | |||||
| Vector3f(0.f, 1.f, 1.f).data()); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(5), | |||||
| Vector3f(0.f, 1.f, 1.f).data(), | |||||
| Vector3f(1.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 1.f, 1.f).data()); | |||||
| // Bottom face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(6), | |||||
| Vector3f(0.f, 0.f, 1.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(0.f, 0.f, 0.f).data()); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(7), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(0.f, 0.f, 1.f).data()); | |||||
| // Right face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(8), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(1.f, 1.f, 0.f).data()); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(9), | |||||
| Vector3f(1.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(1.f, 1.f, 1.f).data()); | |||||
| // Left face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(10), | |||||
| Vector3f(0.f, 1.f, 0.f).data(), | |||||
| Vector3f(0.f, 0.f, 1.f).data(), | |||||
| Vector3f(0.f, 0.f, 0.f).data()); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(11), | |||||
| Vector3f(0.f, 1.f, 1.f).data(), | |||||
| Vector3f(0.f, 0.f, 1.f).data(), | |||||
| Vector3f(0.f, 1.f, 0.f).data()); | |||||
| // clang-format on | |||||
| std::unique_ptr<Mesh> mesh = mb.Finalize(); | |||||
| ASSERT_NE(mesh, nullptr) << "Failed to build the cube mesh."; | |||||
| EXPECT_EQ(mesh->num_points(), 8) << "Unexpected number of vertices."; | |||||
| EXPECT_EQ(mesh->num_faces(), 12) << "Unexpected number of faces."; | |||||
| } | |||||
| TEST_F(TriangleSoupMeshBuilderTest, TestPerFaceAttribs) { | |||||
| // This tests, verifies that the mesh builder constructs a valid cube with | |||||
| // per face Boolean attributes. | |||||
| TriangleSoupMeshBuilder mb; | |||||
| mb.Start(12); | |||||
| const int pos_att_id = | |||||
| mb.AddAttribute(GeometryAttribute::POSITION, 3, DT_FLOAT32); | |||||
| const int gen_att_id = | |||||
| mb.AddAttribute(GeometryAttribute::GENERIC, 1, DT_BOOL); | |||||
| uint8_t bool_true = 1; | |||||
| uint8_t bool_false = 0; | |||||
| // clang-format off | |||||
| // Front face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(0), | |||||
| Vector3f(0.f, 0.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(0.f, 1.f, 0.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(0), &bool_false); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(1), | |||||
| Vector3f(0.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(1.f, 1.f, 0.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(1), &bool_true); | |||||
| // Back face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(2), | |||||
| Vector3f(0.f, 1.f, 1.f).data(), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(0.f, 0.f, 1.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(2), &bool_true); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(3), | |||||
| Vector3f(1.f, 1.f, 1.f).data(), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(0.f, 1.f, 1.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(3), &bool_true); | |||||
| // Top face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(4), | |||||
| Vector3f(0.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 1.f, 0.f).data(), | |||||
| Vector3f(0.f, 1.f, 1.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(4), &bool_false);; | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(5), | |||||
| Vector3f(0.f, 1.f, 1.f).data(), | |||||
| Vector3f(1.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 1.f, 1.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(5), &bool_false); | |||||
| // Bottom face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(6), | |||||
| Vector3f(0.f, 0.f, 1.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(0.f, 0.f, 0.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(6), &bool_true); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(7), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(0.f, 0.f, 1.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(7), &bool_true); | |||||
| // Right face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(8), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(1.f, 1.f, 0.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(8), &bool_false); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(9), | |||||
| Vector3f(1.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 1.f).data(), | |||||
| Vector3f(1.f, 1.f, 1.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(9), &bool_true); | |||||
| // Left face. | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(10), | |||||
| Vector3f(0.f, 1.f, 0.f).data(), | |||||
| Vector3f(0.f, 0.f, 1.f).data(), | |||||
| Vector3f(0.f, 0.f, 0.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(10), &bool_true); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(11), | |||||
| Vector3f(0.f, 1.f, 1.f).data(), | |||||
| Vector3f(0.f, 0.f, 1.f).data(), | |||||
| Vector3f(0.f, 1.f, 0.f).data()); | |||||
| mb.SetPerFaceAttributeValueForFace(gen_att_id, FaceIndex(11), &bool_false); | |||||
| // clang-format on | |||||
| std::unique_ptr<Mesh> mesh = mb.Finalize(); | |||||
| ASSERT_NE(mesh, nullptr) << "Failed to build the cube mesh."; | |||||
| EXPECT_EQ(mesh->num_faces(), 12) << "Unexpected number of faces."; | |||||
| EXPECT_EQ(mesh->GetAttributeElementType(gen_att_id), MESH_FACE_ATTRIBUTE) | |||||
| << "Unexpected attribute element type."; | |||||
| } | |||||
| } // namespace draco | |||||