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Diffstat (limited to 'extern/draco/dracoenc/src/draco/compression/mesh/mesh_edgebreaker_encoding_test.cc')
| -rw-r--r-- | extern/draco/dracoenc/src/draco/compression/mesh/mesh_edgebreaker_encoding_test.cc | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/extern/draco/dracoenc/src/draco/compression/mesh/mesh_edgebreaker_encoding_test.cc b/extern/draco/dracoenc/src/draco/compression/mesh/mesh_edgebreaker_encoding_test.cc deleted file mode 100644 index 8313882455b..00000000000 --- a/extern/draco/dracoenc/src/draco/compression/mesh/mesh_edgebreaker_encoding_test.cc +++ /dev/null @@ -1,247 +0,0 @@ -// 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 <sstream> - -#include "draco/compression/encode.h" -#include "draco/compression/mesh/mesh_edgebreaker_decoder.h" -#include "draco/compression/mesh/mesh_edgebreaker_encoder.h" -#include "draco/core/draco_test_base.h" -#include "draco/core/draco_test_utils.h" -#include "draco/io/mesh_io.h" -#include "draco/io/obj_decoder.h" -#include "draco/mesh/mesh_are_equivalent.h" -#include "draco/mesh/mesh_cleanup.h" -#include "draco/mesh/triangle_soup_mesh_builder.h" - -namespace draco { - -class MeshEdgebreakerEncodingTest : public ::testing::Test { - protected: - void TestFile(const std::string &file_name) { TestFile(file_name, -1); } - - void TestFile(const std::string &file_name, int compression_level) { - const std::unique_ptr<Mesh> mesh(ReadMeshFromTestFile(file_name)); - ASSERT_NE(mesh, nullptr) << "Failed to load test model " << file_name; - - TestMesh(mesh.get(), compression_level); - } - - void TestMesh(Mesh *mesh, int compression_level) { - EncoderBuffer buffer; - MeshEdgebreakerEncoder encoder; - EncoderOptions encoder_options = EncoderOptions::CreateDefaultOptions(); - encoder_options.SetSpeed(10 - compression_level, 10 - compression_level); - encoder.SetMesh(*mesh); - ASSERT_TRUE(encoder.Encode(encoder_options, &buffer).ok()); - - DecoderBuffer dec_buffer; - dec_buffer.Init(buffer.data(), buffer.size()); - MeshEdgebreakerDecoder decoder; - - std::unique_ptr<Mesh> decoded_mesh(new Mesh()); - DecoderOptions dec_options; - ASSERT_TRUE( - decoder.Decode(dec_options, &dec_buffer, decoded_mesh.get()).ok()); - - // Cleanup the input mesh to make sure that input and output can be - // compared (edgebreaker method discards degenerated triangles and isolated - // vertices). - const MeshCleanupOptions options; - MeshCleanup cleanup; - ASSERT_TRUE(cleanup(mesh, options)) << "Failed to clean the input mesh."; - - MeshAreEquivalent eq; - ASSERT_TRUE(eq(*mesh, *decoded_mesh.get())) - << "Decoded mesh is not the same as the input"; - } -}; - -TEST_F(MeshEdgebreakerEncodingTest, TestNmOBJ) { - const std::string file_name = "test_nm.obj"; - TestFile(file_name); -} - -TEST_F(MeshEdgebreakerEncodingTest, ThreeFacesOBJ) { - const std::string file_name = "extra_vertex.obj"; - TestFile(file_name); -} - -TEST_F(MeshEdgebreakerEncodingTest, TestPly) { - // Tests whether the edgebreaker successfully encodes and decodes the test - // file (ply with color). - const std::string file_name = "test_pos_color.ply"; - TestFile(file_name); -} - -TEST_F(MeshEdgebreakerEncodingTest, TestMultiAttributes) { - // Tests encoding of model with many attributes. - const std::string file_name = "cube_att.obj"; - TestFile(file_name, 10); -} - -TEST_F(MeshEdgebreakerEncodingTest, TestEncoderReuse) { - // Tests whether the edgebreaker encoder can be reused multiple times to - // encode a given mesh. - const std::string file_name = "test_pos_color.ply"; - const std::unique_ptr<Mesh> mesh(ReadMeshFromTestFile(file_name)); - ASSERT_NE(mesh, nullptr) << "Failed to load test model " << file_name; - - MeshEdgebreakerEncoder encoder; - EncoderOptions encoder_options = EncoderOptions::CreateDefaultOptions(); - encoder.SetMesh(*mesh); - EncoderBuffer buffer_0, buffer_1; - ASSERT_TRUE(encoder.Encode(encoder_options, &buffer_0).ok()); - ASSERT_TRUE(encoder.Encode(encoder_options, &buffer_1).ok()); - - // Make sure both buffer are identical. - ASSERT_EQ(buffer_0.size(), buffer_1.size()); - for (int i = 0; i < buffer_0.size(); ++i) { - ASSERT_EQ(buffer_0.data()[i], buffer_1.data()[i]); - } -} - -TEST_F(MeshEdgebreakerEncodingTest, TestDecoderReuse) { - // Tests whether the edgebreaker decoder can be reused multiple times to - // decode a given mesh. - const std::string file_name = "test_pos_color.ply"; - const std::unique_ptr<Mesh> mesh(ReadMeshFromTestFile(file_name)); - ASSERT_NE(mesh, nullptr) << "Failed to load test model " << file_name; - - MeshEdgebreakerEncoder encoder; - EncoderOptions encoder_options = EncoderOptions::CreateDefaultOptions(); - encoder.SetMesh(*mesh); - EncoderBuffer buffer; - ASSERT_TRUE(encoder.Encode(encoder_options, &buffer).ok()); - - DecoderBuffer dec_buffer; - dec_buffer.Init(buffer.data(), buffer.size()); - - MeshEdgebreakerDecoder decoder; - - // Decode the mesh two times. - std::unique_ptr<Mesh> decoded_mesh_0(new Mesh()); - DecoderOptions dec_options; - ASSERT_TRUE( - decoder.Decode(dec_options, &dec_buffer, decoded_mesh_0.get()).ok()); - - dec_buffer.Init(buffer.data(), buffer.size()); - std::unique_ptr<Mesh> decoded_mesh_1(new Mesh()); - ASSERT_TRUE( - decoder.Decode(dec_options, &dec_buffer, decoded_mesh_1.get()).ok()); - - // Make sure both of the meshes are identical. - MeshAreEquivalent eq; - ASSERT_TRUE(eq(*decoded_mesh_0.get(), *decoded_mesh_1.get())) - << "Decoded meshes are not the same"; -} - -TEST_F(MeshEdgebreakerEncodingTest, TestSingleConnectivityEncoding) { - // Tests whether the edgebreaker method successfully encodes a mesh with - // multiple attributes using single connectivity by breaking the mesh along - // attribute seams. - const std::string file_name = "cube_att.obj"; - const std::unique_ptr<Mesh> mesh(ReadMeshFromTestFile(file_name)); - ASSERT_NE(mesh, nullptr) << "Failed to load test model " << file_name; - - for (int i = 0; i < 2; ++i) { - // Set the option to enable/disable single connectivity encoding. - EncoderOptionsBase<GeometryAttribute::Type> options = - EncoderOptionsBase<GeometryAttribute::Type>::CreateDefaultOptions(); - options.SetGlobalBool("split_mesh_on_seams", i == 0 ? true : false); - - EncoderBuffer buffer; - draco::Encoder encoder; - encoder.Reset(options); - encoder.SetSpeedOptions(0, 0); - encoder.SetAttributeQuantization(GeometryAttribute::POSITION, 8); - encoder.SetAttributeQuantization(GeometryAttribute::TEX_COORD, 8); - encoder.SetAttributeQuantization(GeometryAttribute::NORMAL, 8); - encoder.SetEncodingMethod(MESH_EDGEBREAKER_ENCODING); - ASSERT_TRUE(encoder.EncodeMeshToBuffer(*mesh, &buffer).ok()); - - DecoderBuffer dec_buffer; - dec_buffer.Init(buffer.data(), buffer.size()); - - Decoder decoder; - auto dec_mesh = decoder.DecodeMeshFromBuffer(&dec_buffer).value(); - ASSERT_NE(dec_mesh, nullptr); - ASSERT_EQ(dec_mesh->num_points(), 24); - ASSERT_EQ(dec_mesh->num_attributes(), 3); - ASSERT_EQ(dec_mesh->attribute(0)->size(), i == 0 ? 24 : 8); - ASSERT_EQ(dec_mesh->attribute(1)->size(), 24); - ASSERT_EQ(dec_mesh->attribute(2)->size(), 24); - } -} - -TEST_F(MeshEdgebreakerEncodingTest, TestWrongAttributeOrder) { - // Tests whether the edgebreaker method successfully encodes a mesh where the - // input attributes are in wrong order (because of their internal - // dependencies). In such case the attributes should be rearranged to the - // correct order. - TriangleSoupMeshBuilder mb; - mb.Start(1); - const int32_t norm_att_id = - mb.AddAttribute(GeometryAttribute::NORMAL, 3, DT_FLOAT32); - const int32_t pos_att_id = - mb.AddAttribute(GeometryAttribute::POSITION, 3, DT_FLOAT32); - - 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( - norm_att_id, FaceIndex(0), Vector3f(0.f, 0.f, 1.f).data(), - Vector3f(0.f, 0.f, 0.f).data(), Vector3f(0.f, 0.f, 1.f).data()); - std::unique_ptr<Mesh> mesh = mb.Finalize(); - ASSERT_NE(mesh, nullptr); - ASSERT_EQ(mesh->num_attributes(), 2); - ASSERT_EQ(mesh->attribute(0)->attribute_type(), GeometryAttribute::NORMAL); - ASSERT_EQ(mesh->attribute(1)->attribute_type(), GeometryAttribute::POSITION); - - EncoderBuffer buffer; - draco::Encoder encoder; - encoder.SetSpeedOptions(3, 3); - encoder.SetAttributeQuantization(GeometryAttribute::POSITION, 8); - encoder.SetAttributeQuantization(GeometryAttribute::NORMAL, 8); - encoder.SetEncodingMethod(MESH_EDGEBREAKER_ENCODING); - ASSERT_TRUE(encoder.EncodeMeshToBuffer(*mesh, &buffer).ok()); - - DecoderBuffer dec_buffer; - dec_buffer.Init(buffer.data(), buffer.size()); - - Decoder decoder; - auto dec_mesh = decoder.DecodeMeshFromBuffer(&dec_buffer).value(); - ASSERT_NE(dec_mesh, nullptr); - ASSERT_EQ(dec_mesh->num_attributes(), 2); - ASSERT_EQ(dec_mesh->attribute(0)->attribute_type(), - GeometryAttribute::POSITION); - ASSERT_EQ(dec_mesh->attribute(1)->attribute_type(), - GeometryAttribute::NORMAL); -} - -TEST_F(MeshEdgebreakerEncodingTest, TestDegenerateMesh) { - // Tests whether we can process a mesh that contains degenerate faces only. - const std::string file_name = "degenerate_mesh.obj"; - const std::unique_ptr<Mesh> mesh(ReadMeshFromTestFile(file_name)); - ASSERT_NE(mesh, nullptr) << "Failed to load test model " << file_name; - EncoderBuffer buffer; - MeshEdgebreakerEncoder encoder; - EncoderOptions encoder_options = EncoderOptions::CreateDefaultOptions(); - encoder.SetMesh(*mesh); - // We expect the encoding to fail as edgebreaker can only process valid faces. - ASSERT_FALSE(encoder.Encode(encoder_options, &buffer).ok()); -} - -} // namespace draco |