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extern/draco/dracoenc/src/draco/mesh/mesh_cleanup_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/mesh_cleanup.h" | |||||
| #include "draco/core/draco_test_base.h" | |||||
| #include "draco/core/vector_d.h" | |||||
| #include "draco/mesh/triangle_soup_mesh_builder.h" | |||||
| namespace draco { | |||||
| class MeshCleanupTest : public ::testing::Test {}; | |||||
| TEST_F(MeshCleanupTest, TestDegneratedFaces) { | |||||
| // This test verifies that the mesh cleanup tools removes degenerated faces. | |||||
| TriangleSoupMeshBuilder mb; | |||||
| mb.Start(2); | |||||
| const int pos_att_id = | |||||
| mb.AddAttribute(GeometryAttribute::POSITION, 3, DT_FLOAT32); | |||||
| // clang-format off | |||||
| 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, 0.f, 0.f).data()); | |||||
| // clang-format on | |||||
| std::unique_ptr<Mesh> mesh = mb.Finalize(); | |||||
| ASSERT_NE(mesh, nullptr) << "Failed to build the test mesh."; | |||||
| ASSERT_EQ(mesh->num_faces(), 2) << "Wrong number of faces in the input mesh."; | |||||
| MeshCleanupOptions cleanup_options; | |||||
| MeshCleanup cleanup; | |||||
| ASSERT_TRUE(cleanup(mesh.get(), cleanup_options)) | |||||
| << "Failed to cleanup the mesh."; | |||||
| ASSERT_EQ(mesh->num_faces(), 1) << "Failed to remove degenerated faces."; | |||||
| } | |||||
| TEST_F(MeshCleanupTest, TestDegneratedFacesAndIsolatedVertices) { | |||||
| // This test verifies that the mesh cleanup tools removes degenerated faces | |||||
| // and isolated vertices. | |||||
| TriangleSoupMeshBuilder mb; | |||||
| mb.Start(2); | |||||
| const int pos_att_id = | |||||
| mb.AddAttribute(GeometryAttribute::POSITION, 3, DT_FLOAT32); | |||||
| // clang-format off | |||||
| 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(10.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(10.f, 1.f, 0.f).data()); | |||||
| // clang-format on | |||||
| std::unique_ptr<Mesh> mesh = mb.Finalize(); | |||||
| ASSERT_NE(mesh, nullptr) << "Failed to build the test mesh."; | |||||
| ASSERT_EQ(mesh->num_faces(), 2) << "Wrong number of faces in the input mesh."; | |||||
| ASSERT_EQ(mesh->num_points(), 4) | |||||
| << "Wrong number of point ids in the input mesh."; | |||||
| const MeshCleanupOptions cleanup_options; | |||||
| MeshCleanup cleanup; | |||||
| ASSERT_TRUE(cleanup(mesh.get(), cleanup_options)) | |||||
| << "Failed to cleanup the mesh."; | |||||
| ASSERT_EQ(mesh->num_faces(), 1) << "Failed to remove degenerated faces."; | |||||
| ASSERT_EQ(mesh->num_points(), 3) | |||||
| << "Failed to remove isolated attribute indices."; | |||||
| } | |||||
| TEST_F(MeshCleanupTest, TestAttributes) { | |||||
| TriangleSoupMeshBuilder mb; | |||||
| mb.Start(2); | |||||
| const int pos_att_id = | |||||
| mb.AddAttribute(GeometryAttribute::POSITION, 3, DT_FLOAT32); | |||||
| const int generic_att_id = | |||||
| mb.AddAttribute(GeometryAttribute::GENERIC, 2, DT_FLOAT32); | |||||
| // clang-format off | |||||
| 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(generic_att_id, FaceIndex(0), | |||||
| Vector2f(0.f, 0.f).data(), | |||||
| Vector2f(0.f, 0.f).data(), | |||||
| Vector2f(0.f, 0.f).data()); | |||||
| mb.SetAttributeValuesForFace(pos_att_id, FaceIndex(1), | |||||
| Vector3f(10.f, 1.f, 0.f).data(), | |||||
| Vector3f(1.f, 0.f, 0.f).data(), | |||||
| Vector3f(10.f, 1.f, 0.f).data()); | |||||
| mb.SetAttributeValuesForFace(generic_att_id, FaceIndex(1), | |||||
| Vector2f(1.f, 0.f).data(), | |||||
| Vector2f(1.f, 0.f).data(), | |||||
| Vector2f(1.f, 0.f).data()); | |||||
| // clang-format on | |||||
| std::unique_ptr<Mesh> mesh = mb.Finalize(); | |||||
| ASSERT_NE(mesh, nullptr) << "Failed to build the test mesh."; | |||||
| ASSERT_EQ(mesh->num_faces(), 2) << "Wrong number of faces in the input mesh."; | |||||
| ASSERT_EQ(mesh->num_points(), 5) | |||||
| << "Wrong number of point ids in the input mesh."; | |||||
| ASSERT_EQ(mesh->attribute(1)->size(), 2u) | |||||
| << "Wrong number of generic attribute entries."; | |||||
| const MeshCleanupOptions cleanup_options; | |||||
| MeshCleanup cleanup; | |||||
| ASSERT_TRUE(cleanup(mesh.get(), cleanup_options)) | |||||
| << "Failed to cleanup the mesh."; | |||||
| ASSERT_EQ(mesh->num_faces(), 1) << "Failed to remove degenerated faces."; | |||||
| ASSERT_EQ(mesh->num_points(), 3) | |||||
| << "Failed to remove isolated attribute indices."; | |||||
| ASSERT_EQ(mesh->attribute(0)->size(), 3u) | |||||
| << "Wrong number of unique positions after cleanup."; | |||||
| ASSERT_EQ(mesh->attribute(1)->size(), 1u) | |||||
| << "Wrong number of generic attribute entries after cleanup."; | |||||
| } | |||||
| } // namespace draco | |||||