992 lines
45 KiB
C++
992 lines
45 KiB
C++
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (assimp)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2022, assimp team
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software in source and binary forms,
|
|
with or without modification, are permitted provided that the following
|
|
conditions are met:
|
|
|
|
* Redistributions of source code must retain the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer in the documentation and/or other
|
|
materials provided with the distribution.
|
|
|
|
* Neither the name of the assimp team, nor the names of its
|
|
contributors may be used to endorse or promote products
|
|
derived from this software without specific prior
|
|
written permission of the assimp team.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
---------------------------------------------------------------------------
|
|
*/
|
|
#include "AbstractImportExportBase.h"
|
|
#include "UnitTestPCH.h"
|
|
|
|
#include <assimp/commonMetaData.h>
|
|
#include <assimp/postprocess.h>
|
|
#include <assimp/config.h>
|
|
#include <assimp/scene.h>
|
|
#include <assimp/Exporter.hpp>
|
|
#include <assimp/Importer.hpp>
|
|
#include <assimp/LogStream.hpp>
|
|
#include <assimp/DefaultLogger.hpp>
|
|
|
|
#include <rapidjson/schema.h>
|
|
|
|
#include <array>
|
|
|
|
#include <assimp/material.h>
|
|
#include <assimp/GltfMaterial.h>
|
|
|
|
using namespace Assimp;
|
|
|
|
class utglTF2ImportExport : public AbstractImportExportBase {
|
|
public:
|
|
virtual bool importerMatTest(const char *file, bool spec, bool gloss, std::array<aiTextureMapMode, 2> exp_modes = { aiTextureMapMode_Wrap, aiTextureMapMode_Wrap }) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(file, aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(scene, nullptr);
|
|
if (!scene) {
|
|
return false;
|
|
}
|
|
|
|
EXPECT_TRUE(scene->HasMaterials());
|
|
if (!scene->HasMaterials()) {
|
|
return false;
|
|
}
|
|
const aiMaterial *material = scene->mMaterials[0];
|
|
|
|
// This Material should be a PBR
|
|
aiShadingMode shadingMode;
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->Get(AI_MATKEY_SHADING_MODEL, shadingMode));
|
|
EXPECT_EQ(aiShadingMode_PBR_BRDF, shadingMode);
|
|
|
|
// Should import the texture as diffuse and as base color
|
|
aiString path;
|
|
std::array<aiTextureMapMode,2> modes;
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->GetTexture(aiTextureType_DIFFUSE, 0, &path, nullptr, nullptr,
|
|
nullptr, nullptr, modes.data()));
|
|
EXPECT_STREQ(path.C_Str(), "CesiumLogoFlat.png");
|
|
EXPECT_EQ(exp_modes, modes);
|
|
|
|
// Also as Base Color
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->GetTexture(aiTextureType_BASE_COLOR, 0, &path, nullptr, nullptr,
|
|
nullptr, nullptr, modes.data()));
|
|
EXPECT_STREQ(path.C_Str(), "CesiumLogoFlat.png");
|
|
EXPECT_EQ(exp_modes, modes);
|
|
|
|
// Should have a MetallicFactor (default is 1.0)
|
|
ai_real metal_factor = ai_real(0.5);
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->Get(AI_MATKEY_METALLIC_FACTOR, metal_factor));
|
|
EXPECT_EQ(ai_real(0.0), metal_factor);
|
|
|
|
// And a roughness factor (default is 1.0)
|
|
ai_real roughness_factor = ai_real(0.5);
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->Get(AI_MATKEY_ROUGHNESS_FACTOR, roughness_factor));
|
|
EXPECT_EQ(ai_real(1.0), roughness_factor);
|
|
|
|
aiColor3D spec_color = { 0, 0, 0 };
|
|
ai_real glossiness = ai_real(0.5);
|
|
if (spec) {
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->Get(AI_MATKEY_COLOR_SPECULAR, spec_color));
|
|
constexpr ai_real spec_val(0.20000000298023225); // From the file
|
|
EXPECT_EQ(spec_val, spec_color.r);
|
|
EXPECT_EQ(spec_val, spec_color.g);
|
|
EXPECT_EQ(spec_val, spec_color.b);
|
|
} else {
|
|
EXPECT_EQ(aiReturn_FAILURE, material->Get(AI_MATKEY_COLOR_SPECULAR, spec_color));
|
|
}
|
|
if (gloss) {
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->Get(AI_MATKEY_GLOSSINESS_FACTOR, glossiness));
|
|
EXPECT_EQ(ai_real(1.0), glossiness);
|
|
} else {
|
|
EXPECT_EQ(aiReturn_FAILURE, material->Get(AI_MATKEY_GLOSSINESS_FACTOR, glossiness));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
virtual bool binaryImporterTest() {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/2CylinderEngine-glTF-Binary/2CylinderEngine.glb",
|
|
aiProcess_ValidateDataStructure);
|
|
return nullptr != scene;
|
|
}
|
|
|
|
#ifndef ASSIMP_BUILD_NO_EXPORT
|
|
virtual bool exporterTest() {
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF/BoxTextured.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "gltf2", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF/BoxTextured_out.gltf"));
|
|
|
|
return true;
|
|
}
|
|
#endif // ASSIMP_BUILD_NO_EXPORT
|
|
};
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2FromFileTest) {
|
|
EXPECT_TRUE(importerMatTest(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF/BoxTextured.gltf", false, false, {aiTextureMapMode_Mirror, aiTextureMapMode_Clamp}));
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importBinaryglTF2FromFileTest) {
|
|
EXPECT_TRUE(binaryImporterTest());
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2_KHR_materials_pbrSpecularGlossiness) {
|
|
EXPECT_TRUE(importerMatTest(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF-pbrSpecularGlossiness/BoxTextured.gltf", true, true));
|
|
}
|
|
|
|
void VerifyClearCoatScene(const aiScene *scene) {
|
|
ASSERT_NE(nullptr, scene);
|
|
|
|
ASSERT_TRUE(scene->HasMaterials());
|
|
|
|
// Find a specific Clearcoat material and check the values
|
|
const aiString partial_coated("Partial_Coated");
|
|
bool found_partial_coat = false;
|
|
for (size_t i = 0; i < scene->mNumMaterials; ++i) {
|
|
const aiMaterial *material = scene->mMaterials[i];
|
|
ASSERT_NE(nullptr, material);
|
|
if (material->GetName() == partial_coated) {
|
|
found_partial_coat = true;
|
|
|
|
ai_real clearcoat_factor(0.0f);
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->Get(AI_MATKEY_CLEARCOAT_FACTOR, clearcoat_factor));
|
|
EXPECT_EQ(ai_real(1.0f), clearcoat_factor);
|
|
|
|
ai_real clearcoat_rough_factor(0.0f);
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->Get(AI_MATKEY_CLEARCOAT_ROUGHNESS_FACTOR, clearcoat_rough_factor));
|
|
EXPECT_EQ(ai_real(0.03f), clearcoat_rough_factor);
|
|
|
|
// Should import the texture as diffuse and as base color
|
|
aiString path;
|
|
std::array<aiTextureMapMode, 2> modes;
|
|
static const std::array<aiTextureMapMode, 2> exp_modes = { aiTextureMapMode_Wrap, aiTextureMapMode_Wrap };
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->GetTexture(AI_MATKEY_CLEARCOAT_TEXTURE, &path, nullptr, nullptr,
|
|
nullptr, nullptr, modes.data()));
|
|
EXPECT_STREQ(path.C_Str(), "PartialCoating.png");
|
|
EXPECT_EQ(exp_modes, modes);
|
|
}
|
|
}
|
|
EXPECT_TRUE(found_partial_coat);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2_KHR_materials_clearcoat) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/ClearCoat-glTF/ClearCoatTest.gltf", aiProcess_ValidateDataStructure);
|
|
VerifyClearCoatScene(scene);
|
|
}
|
|
|
|
#ifndef ASSIMP_BUILD_NO_EXPORT
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2AndExport_KHR_materials_clearcoat) {
|
|
{
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene* scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/ClearCoat-glTF/ClearCoatTest.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(nullptr, scene);
|
|
// Export
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2", ASSIMP_TEST_MODELS_DIR "/glTF2/ClearCoat-glTF/ClearCoatTest_out.glb"));
|
|
}
|
|
|
|
// And re-import
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/ClearCoat-glTF/ClearCoatTest_out.glb", aiProcess_ValidateDataStructure);
|
|
VerifyClearCoatScene(scene);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2AndExport_KHR_materials_pbrSpecularGlossiness) {
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF-pbrSpecularGlossiness/BoxTextured.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
|
|
// Export with specular glossiness disabled
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF-pbrSpecularGlossiness/BoxTextured_out.glb"));
|
|
|
|
// And re-import
|
|
EXPECT_TRUE(importerMatTest(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF-pbrSpecularGlossiness/BoxTextured_out.glb", true, false));
|
|
|
|
// Export with specular glossiness enabled
|
|
ExportProperties props;
|
|
props.SetPropertyBool(AI_CONFIG_USE_GLTF_PBR_SPECULAR_GLOSSINESS, true);
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF-pbrSpecularGlossiness/BoxTextured_out.glb", 0, &props));
|
|
|
|
// And re-import
|
|
EXPECT_TRUE(importerMatTest(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF-pbrSpecularGlossiness/BoxTextured_out.glb", true, true));
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2AndExportToOBJ) {
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF/BoxTextured.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "obj", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF/BoxTextured_out.obj"));
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2EmbeddedAndExportToOBJ) {
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF-Embedded/BoxTextured.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "obj", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF-Embedded/BoxTextured_out.obj"));
|
|
}
|
|
|
|
#endif // ASSIMP_BUILD_NO_EXPORT
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModePointsWithoutIndices) {
|
|
Assimp::Importer importer;
|
|
//Points without indices
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_00.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 1024u);
|
|
for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mNumIndices, 1u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[0], i);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeLinesWithoutIndices) {
|
|
Assimp::Importer importer;
|
|
//Lines without indices
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_01.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 8u);
|
|
for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mNumIndices, 2u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[0], i * 2u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[1], i * 2u + 1u);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeLinesLoopWithoutIndices) {
|
|
Assimp::Importer importer;
|
|
//Lines loop without indices
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_02.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
|
|
std::array<unsigned int, 5> l1 = { { 0u, 1u, 2u, 3u, 0u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 2u);
|
|
for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mNumIndices, 2u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[0], l1[i]);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[1], l1[i + 1u]);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeLinesStripWithoutIndices) {
|
|
Assimp::Importer importer;
|
|
//Lines strip without indices
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_03.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 5u);
|
|
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 2u);
|
|
for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mNumIndices, 2u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[0], i);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[1], i + 1u);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeTrianglesStripWithoutIndices) {
|
|
Assimp::Importer importer;
|
|
//Triangles strip without indices
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_04.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 2u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
std::array<unsigned int, 3> f1 = { { 0u, 1u, 2u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 3u);
|
|
for (unsigned int i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mIndices[i], f1[i]);
|
|
}
|
|
|
|
std::array<unsigned int, 3> f2 = { { 2u, 1u, 3u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mIndices[i], f2[i]);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeTrianglesFanWithoutIndices) {
|
|
Assimp::Importer importer;
|
|
//Triangles fan without indices
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_05.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 2u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
std::array<unsigned int, 3> f1 = { { 0u, 1u, 2u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mIndices[i], f1[i]);
|
|
}
|
|
|
|
std::array<unsigned int, 3> f2 = { { 0u, 2u, 3u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mIndices[i], f2[i]);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeTrianglesWithoutIndices) {
|
|
Assimp::Importer importer;
|
|
//Triangles without indices
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_06.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 2u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 6u);
|
|
std::array<unsigned int, 3> f1 = { { 0u, 1u, 2u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mIndices[i], f1[i]);
|
|
}
|
|
|
|
std::array<unsigned int, 3> f2 = { { 3u, 4u, 5u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mIndices[i], f2[i]);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModePoints) {
|
|
Assimp::Importer importer;
|
|
//Line loop
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_07.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 1024u);
|
|
for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mNumIndices, 1u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[0], i);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeLines) {
|
|
Assimp::Importer importer;
|
|
//Lines
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_08.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
std::array<unsigned int, 5> l1 = { { 0u, 1u, 2u, 3u, 0u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 2u);
|
|
for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[0], l1[i]);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[1], l1[i + 1]);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeLineLoop) {
|
|
Assimp::Importer importer;
|
|
//Line loop
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_09.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
std::array<unsigned int, 5> l1 = { { 0, 1u, 2u, 3u, 0u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 2u);
|
|
for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[0], l1[i]);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[1], l1[i + 1]);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeLineStrip) {
|
|
Assimp::Importer importer;
|
|
//Lines Strip
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_10.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
std::array<unsigned int, 5> l1 = { { 0u, 1u, 2u, 3u, 0u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 2u);
|
|
for (unsigned int i = 0; i < scene->mMeshes[0]->mNumFaces; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[0], l1[i]);
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[i].mIndices[1], l1[i + 1]);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeTrianglesStrip) {
|
|
Assimp::Importer importer;
|
|
//Triangles strip
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_11.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 2u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
std::array<unsigned int, 3> f1 = { { 0u, 1u, 2u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mIndices[i], f1[i]);
|
|
}
|
|
|
|
std::array<unsigned int, 3> f2 = { { 2u, 1u, 3u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mIndices[i], f2[i]);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2PrimitiveModeTrianglesFan) {
|
|
Assimp::Importer importer;
|
|
//Triangles fan
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_12.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 2u);
|
|
std::array<unsigned int, 3> f1 = { { 0u, 1u, 2u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mIndices[i], f1[i]);
|
|
}
|
|
|
|
std::array<unsigned int, 3> f2 = { { 0u, 2u, 3u } };
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mNumIndices, 3u);
|
|
for (size_t i = 0; i < 3; ++i) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mIndices[i], f2[i]);
|
|
}
|
|
}
|
|
|
|
std::vector<char> ReadFile(const char *name) {
|
|
std::vector<char> ret;
|
|
|
|
FILE *p = ::fopen(name, "r");
|
|
if (nullptr == p) {
|
|
return ret;
|
|
}
|
|
|
|
::fseek(p, 0, SEEK_END);
|
|
const size_t size = ::ftell(p);
|
|
::fseek(p, 0, SEEK_SET);
|
|
|
|
ret.resize(size);
|
|
const size_t readSize = ::fread(&ret[0], 1, size, p);
|
|
EXPECT_EQ(readSize, size);
|
|
::fclose(p);
|
|
|
|
return ret;
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, importglTF2FromMemory) {
|
|
/*const auto flags = aiProcess_CalcTangentSpace | aiProcess_Triangulate | aiProcess_RemoveComponent |
|
|
aiProcess_GenSmoothNormals | aiProcess_PreTransformVertices | aiProcess_FixInfacingNormals |
|
|
aiProcess_FindDegenerates | aiProcess_GenUVCoords | aiProcess_SortByPType;
|
|
const auto& buff = ReadFile("C:\\Users\\kimkulling\\Downloads\\camel\\camel\\scene.gltf");*/
|
|
/*const aiScene* Scene = ::aiImportFileFromMemory(&buff[0], buff.size(), flags, ".gltf");
|
|
EXPECT_EQ( nullptr, Scene );*/
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, bug_import_simple_skin) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/simple_skin.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
}
|
|
|
|
bool checkSkinnedScene(const aiScene *scene){
|
|
float eps = 0.001;
|
|
bool result = true;
|
|
EXPECT_EQ(scene->mNumMeshes, 1u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumBones, 10u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[0].x - -1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[0].y - -1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[0].z - 0), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[1].x - 1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[1].y - -1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[1].z - 0), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[2].x - 1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[2].y - 1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[2].z - 0), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[3].x - -1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[3].y - 1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[3].z - 0), eps);
|
|
|
|
uint numWeights[] = {4u, 4u, 4u, 4u, 2u , 1u, 1u, 2u, 1u, 1u};
|
|
float weights[10][4] = {{0.207, 0.291, 0.057, 0.303},
|
|
{0.113, 0.243, 0.499, 0.251},
|
|
{0.005, 0.010, 0.041, 0.093},
|
|
{0.090, 0.234, 0.404, 0.243},
|
|
{0.090, 0.222, 0.000, 0.000},
|
|
{0.216, 0.000, 0.000, 0.000},
|
|
{0.058, 0.000, 0.000, 0.000},
|
|
{0.086, 0.000, 0.000, 0.111},
|
|
{0.088, 0.000, 0.000, 0.000},
|
|
{0.049, 0.000, 0.000, 0.000}};
|
|
for (size_t boneIndex = 0; boneIndex < 10u; ++boneIndex) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mBones[boneIndex]->mNumWeights, numWeights[boneIndex]);
|
|
std::map<uint, float> map;
|
|
for (size_t jointIndex = 0; jointIndex < scene->mMeshes[0]->mBones[boneIndex]->mNumWeights; ++jointIndex){
|
|
auto key = scene->mMeshes[0]->mBones[boneIndex]->mWeights[jointIndex].mVertexId;
|
|
auto weight = scene->mMeshes[0]->mBones[boneIndex]->mWeights[jointIndex].mWeight;
|
|
map[key] = weight;
|
|
}
|
|
|
|
for (size_t jointIndex = 0; jointIndex < scene->mMeshes[0]->mBones[boneIndex]->mNumWeights; ++jointIndex) {
|
|
auto weight = map[jointIndex];
|
|
EXPECT_LT(abs(ai_real(weight) - ai_real(weights[boneIndex][jointIndex])), 0.002);
|
|
}
|
|
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void checkSkinnedSceneLimited(const aiScene *scene){
|
|
float eps = 0.001;
|
|
EXPECT_EQ(scene->mNumMeshes, 1u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumBones, 10u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4u);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[0].x - -1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[0].y - -1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[0].z - 0), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[1].x - 1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[1].y - -1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[1].z - 0), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[2].x - 1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[2].y - 1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[2].z - 0), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[3].x - -1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[3].y - 1), eps);
|
|
EXPECT_LT(abs(scene->mMeshes[0]->mVertices[3].z - 0), eps);
|
|
|
|
uint numWeights[] = {4u, 4u, 1u, 4u, 1u , 1u, 1u, 1u, 1u, 1u};
|
|
float weights[10][4] = {{0.207, 0.291, 0.057, 0.303},
|
|
{0.113, 0.243, 0.499, 0.251},
|
|
{0.000, 0.000, 0.041, 0.000},
|
|
{0.090, 0.234, 0.404, 0.243},
|
|
{0.000, 0.222, 0.000, 0.000},
|
|
{0.216, 0.000, 0.000, 0.000},
|
|
{0.000, 0.000, 0.000, 0.000},
|
|
{0.000, 0.000, 0.000, 0.111},
|
|
{0.000, 0.000, 0.000, 0.000},
|
|
{0.000, 0.000, 0.000, 0.000}};
|
|
for (size_t boneIndex = 0; boneIndex < 10u; ++boneIndex) {
|
|
EXPECT_EQ(scene->mMeshes[0]->mBones[boneIndex]->mNumWeights, numWeights[boneIndex]);
|
|
std::map<uint, float> map;
|
|
for (size_t jointIndex = 0; jointIndex < scene->mMeshes[0]->mBones[boneIndex]->mNumWeights; ++jointIndex){
|
|
auto key = scene->mMeshes[0]->mBones[boneIndex]->mWeights[jointIndex].mVertexId;
|
|
auto weight = scene->mMeshes[0]->mBones[boneIndex]->mWeights[jointIndex].mWeight;
|
|
map[key] = weight;
|
|
}
|
|
for (size_t jointIndex = 0; jointIndex < scene->mMeshes[0]->mBones[boneIndex]->mNumWeights; ++jointIndex) {
|
|
auto weight = map[jointIndex];
|
|
EXPECT_LT(std::abs(ai_real(weight) - ai_real(weights[boneIndex][jointIndex])), 0.002);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, bug_import_simple_skin2) {
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene *scene = importer.ReadFile(
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_skin.glb",
|
|
aiProcess_ValidateDataStructure);
|
|
checkSkinnedScene(scene);
|
|
|
|
ASSERT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2",
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_four_out.glb"));
|
|
ASSERT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "gltf2",
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_four_out.gltf"));
|
|
|
|
// enable more than four bones per vertex
|
|
Assimp::ExportProperties properties = Assimp::ExportProperties();
|
|
properties.SetPropertyBool(
|
|
AI_CONFIG_EXPORT_GLTF_UNLIMITED_SKINNING_BONES_PER_VERTEX, true);
|
|
ASSERT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2",
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_all_out.glb", 0u, &properties));
|
|
ASSERT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "gltf2",
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_all_out.gltf", 0u, &properties));
|
|
|
|
// check skinning data of both exported files for limited number bones per vertex
|
|
const aiScene *limitedSceneImported = importer.ReadFile(
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_four_out.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
checkSkinnedSceneLimited(limitedSceneImported);
|
|
limitedSceneImported = importer.ReadFile(
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_four_out.glb",
|
|
aiProcess_ValidateDataStructure);
|
|
checkSkinnedSceneLimited(limitedSceneImported);
|
|
|
|
// check skinning data of both exported files for unlimited number bones per vertex
|
|
const aiScene *sceneImported = importer.ReadFile(
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_all_out.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
checkSkinnedScene(sceneImported);
|
|
sceneImported = importer.ReadFile(
|
|
ASSIMP_TEST_MODELS_DIR "/glTF2/simple_skin/quad_all_out.glb",
|
|
aiProcess_ValidateDataStructure);
|
|
checkSkinnedScene(sceneImported);
|
|
|
|
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, import_cameras) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/cameras/Cameras.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, incorrect_vertex_arrays) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/IncorrectVertexArrays/Cube.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 36u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 12u);
|
|
EXPECT_EQ(scene->mMeshes[1]->mNumVertices, 35u);
|
|
EXPECT_EQ(scene->mMeshes[1]->mNumFaces, 11u);
|
|
EXPECT_EQ(scene->mMeshes[2]->mNumVertices, 36u);
|
|
EXPECT_EQ(scene->mMeshes[2]->mNumFaces, 18u);
|
|
EXPECT_EQ(scene->mMeshes[3]->mNumVertices, 35u);
|
|
EXPECT_EQ(scene->mMeshes[3]->mNumFaces, 17u);
|
|
EXPECT_EQ(scene->mMeshes[4]->mNumVertices, 36u);
|
|
EXPECT_EQ(scene->mMeshes[4]->mNumFaces, 12u);
|
|
EXPECT_EQ(scene->mMeshes[5]->mNumVertices, 35u);
|
|
EXPECT_EQ(scene->mMeshes[5]->mNumFaces, 11u);
|
|
EXPECT_EQ(scene->mMeshes[6]->mNumVertices, 36u);
|
|
EXPECT_EQ(scene->mMeshes[6]->mNumFaces, 18u);
|
|
EXPECT_EQ(scene->mMeshes[7]->mNumVertices, 35u);
|
|
EXPECT_EQ(scene->mMeshes[7]->mNumFaces, 17u);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, texture_transform_test) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/textureTransform/TextureTransformTest.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(nullptr, scene);
|
|
}
|
|
|
|
#ifndef ASSIMP_BUILD_NO_EXPORT
|
|
TEST_F(utglTF2ImportExport, exportglTF2FromFileTest) {
|
|
EXPECT_TRUE(exporterTest());
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, crash_in_anim_mesh_destructor) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Sample-Models/AnimatedMorphCube-glTF/AnimatedMorphCube.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(nullptr, scene);
|
|
Assimp::Exporter exporter;
|
|
ASSERT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2", ASSIMP_TEST_MODELS_DIR "/glTF2/glTF-Sample-Models/AnimatedMorphCube-glTF/AnimatedMorphCube_out.glTF"));
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, error_string_preserved) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/MissingBin/BoxTextured.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
ASSERT_EQ(nullptr, scene);
|
|
std::string error = importer.GetErrorString();
|
|
ASSERT_NE(error.find("BoxTextured0.bin"), std::string::npos) << "Error string should contain an error about missing .bin file";
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, export_bad_accessor_bounds) {
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene* scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxWithInfinites-glTF-Binary/BoxWithInfinites.glb", aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(scene, nullptr);
|
|
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxWithInfinites-glTF-Binary/BoxWithInfinites_out.glb"));
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "gltf2", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxWithInfinites-glTF-Binary/BoxWithInfinites_out.gltf"));
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, export_normalized_normals) {
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene* scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxBadNormals-glTF-Binary/BoxBadNormals.glb", aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(scene, nullptr);
|
|
EXPECT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxBadNormals-glTF-Binary/BoxBadNormals_out.glb"));
|
|
|
|
// load in again and ensure normal-length normals but no Nan's or Inf's introduced
|
|
scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxBadNormals-glTF-Binary/BoxBadNormals_out.glb", aiProcess_ValidateDataStructure);
|
|
for ( auto i = 0u; i < scene->mMeshes[0]->mNumVertices; ++i ) {
|
|
const auto length = scene->mMeshes[0]->mNormals[i].Length();
|
|
EXPECT_TRUE(abs(length) < 1e-6 || abs(length - 1) < ai_epsilon);
|
|
}
|
|
}
|
|
|
|
#endif // ASSIMP_BUILD_NO_EXPORT
|
|
|
|
TEST_F(utglTF2ImportExport, sceneMetadata) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF/BoxTextured.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(scene, nullptr);
|
|
ASSERT_NE(scene->mMetaData, nullptr);
|
|
{
|
|
ASSERT_TRUE(scene->mMetaData->HasKey(AI_METADATA_SOURCE_FORMAT));
|
|
aiString format;
|
|
ASSERT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_FORMAT, format));
|
|
ASSERT_EQ(strcmp(format.C_Str(), "glTF2 Importer"), 0);
|
|
}
|
|
{
|
|
ASSERT_TRUE(scene->mMetaData->HasKey(AI_METADATA_SOURCE_FORMAT_VERSION));
|
|
aiString version;
|
|
ASSERT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_FORMAT_VERSION, version));
|
|
ASSERT_EQ(strcmp(version.C_Str(), "2.0"), 0);
|
|
}
|
|
{
|
|
ASSERT_TRUE(scene->mMetaData->HasKey(AI_METADATA_SOURCE_GENERATOR));
|
|
aiString generator;
|
|
ASSERT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_GENERATOR, generator));
|
|
ASSERT_EQ(strcmp(generator.C_Str(), "COLLADA2GLTF"), 0);
|
|
}
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, texcoords) {
|
|
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTexcoords-glTF/boxTexcoords.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(scene, nullptr);
|
|
ASSERT_TRUE(scene->HasMaterials());
|
|
const aiMaterial *material = scene->mMaterials[0];
|
|
|
|
aiString path;
|
|
unsigned int uvIndex = 255;
|
|
aiTextureMapMode modes[2];
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->GetTexture(AI_MATKEY_BASE_COLOR_TEXTURE, &path, nullptr, &uvIndex, nullptr, nullptr, modes));
|
|
EXPECT_STREQ(path.C_Str(), "texture.png");
|
|
EXPECT_EQ(uvIndex, 0u);
|
|
|
|
uvIndex = 255;
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->GetTexture(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLICROUGHNESS_TEXTURE, &path, nullptr, &uvIndex, nullptr, nullptr, modes));
|
|
EXPECT_STREQ(path.C_Str(), "texture.png");
|
|
EXPECT_EQ(uvIndex, 1u);
|
|
}
|
|
|
|
#ifndef ASSIMP_BUILD_NO_EXPORT
|
|
|
|
TEST_F(utglTF2ImportExport, texcoords_export) {
|
|
{
|
|
Assimp::Importer importer;
|
|
Assimp::Exporter exporter;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTexcoords-glTF/boxTexcoords.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(scene, nullptr);
|
|
ASSERT_EQ(aiReturn_SUCCESS, exporter.Export(scene, "glb2", ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTexcoords-glTF/boxTexcoords.gltf_out.glb"));
|
|
}
|
|
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTexcoords-glTF/boxTexcoords.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(scene, nullptr);
|
|
|
|
ASSERT_TRUE(scene->HasMaterials());
|
|
const aiMaterial *material = scene->mMaterials[0];
|
|
|
|
aiString path;
|
|
unsigned int uvIndex = 255;
|
|
aiTextureMapMode modes[2];
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->GetTexture(AI_MATKEY_BASE_COLOR_TEXTURE, &path, nullptr, &uvIndex, nullptr, nullptr, modes));
|
|
EXPECT_STREQ(path.C_Str(), "texture.png");
|
|
EXPECT_EQ(uvIndex, 0u);
|
|
|
|
uvIndex = 255;
|
|
EXPECT_EQ(aiReturn_SUCCESS, material->GetTexture(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLICROUGHNESS_TEXTURE, &path, nullptr, &uvIndex, nullptr, nullptr, modes));
|
|
EXPECT_STREQ(path.C_Str(), "texture.png");
|
|
EXPECT_EQ(uvIndex, 1u);
|
|
}
|
|
|
|
#endif // ASSIMP_BUILD_NO_EXPORT
|
|
TEST_F(utglTF2ImportExport, recursive_nodes) {
|
|
Assimp::Importer importer;
|
|
const aiScene* scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/RecursiveNodes/RecursiveNodes.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_EQ(nullptr, scene);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, norootnode_noscene) {
|
|
Assimp::Importer importer;
|
|
const aiScene* scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/TestNoRootNode/NoScene.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_EQ(scene, nullptr);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, norootnode_scenewithoutnodes) {
|
|
Assimp::Importer importer;
|
|
const aiScene* scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/TestNoRootNode/SceneWithoutNodes.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(scene, nullptr);
|
|
ASSERT_NE(scene->mRootNode, nullptr);
|
|
}
|
|
|
|
// Shall not crash!
|
|
TEST_F(utglTF2ImportExport, norootnode_issue_3269) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/issue_3269/texcoord_crash.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_EQ(scene, nullptr);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, indexOutOfRange) {
|
|
// The contents of an asset should not lead to an assert.
|
|
Assimp::Importer importer;
|
|
|
|
struct LogObserver : Assimp::LogStream {
|
|
bool m_observedWarning = false;
|
|
void write(const char *message) override {
|
|
m_observedWarning = m_observedWarning || std::strstr(message, "faces were dropped");
|
|
}
|
|
};
|
|
LogObserver logObserver;
|
|
|
|
DefaultLogger::get()->attachStream(&logObserver);
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/IndexOutOfRange/IndexOutOfRange.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_NE(scene, nullptr);
|
|
ASSERT_NE(scene->mRootNode, nullptr);
|
|
ASSERT_EQ(scene->mNumMeshes, 1u);
|
|
EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 11u);
|
|
DefaultLogger::get()->detachStream(&logObserver);
|
|
EXPECT_TRUE(logObserver.m_observedWarning);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, allIndicesOutOfRange) {
|
|
// The contents of an asset should not lead to an assert.
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/IndexOutOfRange/AllIndicesOutOfRange.gltf", aiProcess_ValidateDataStructure);
|
|
ASSERT_EQ(scene, nullptr);
|
|
std::string error = importer.GetErrorString();
|
|
ASSERT_NE(error.find("Mesh \"Mesh\" has no faces"), std::string::npos);
|
|
}
|
|
|
|
/////////////////////////////////
|
|
// Draco decoding
|
|
|
|
TEST_F(utglTF2ImportExport, import_dracoEncoded) {
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/draco/2CylinderEngine.gltf",
|
|
aiProcess_ValidateDataStructure);
|
|
#ifndef ASSIMP_ENABLE_DRACO
|
|
// No draco support, scene should not load
|
|
ASSERT_EQ(scene, nullptr);
|
|
#else
|
|
ASSERT_NE(scene, nullptr);
|
|
ASSERT_NE(scene->mMetaData, nullptr);
|
|
{
|
|
ASSERT_TRUE(scene->mMetaData->HasKey(AI_METADATA_SOURCE_FORMAT));
|
|
aiString format;
|
|
ASSERT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_FORMAT, format));
|
|
ASSERT_EQ(strcmp(format.C_Str(), "glTF2 Importer"), 0);
|
|
}
|
|
{
|
|
ASSERT_TRUE(scene->mMetaData->HasKey(AI_METADATA_SOURCE_FORMAT_VERSION));
|
|
aiString version;
|
|
ASSERT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_FORMAT_VERSION, version));
|
|
ASSERT_EQ(strcmp(version.C_Str(), "2.0"), 0);
|
|
}
|
|
{
|
|
ASSERT_TRUE(scene->mMetaData->HasKey(AI_METADATA_SOURCE_GENERATOR));
|
|
aiString generator;
|
|
ASSERT_TRUE(scene->mMetaData->Get(AI_METADATA_SOURCE_GENERATOR, generator));
|
|
ASSERT_EQ(strcmp(generator.C_Str(), "COLLADA2GLTF"), 0);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, wrongTypes) {
|
|
// Deliberately broken version of the BoxTextured.gltf asset.
|
|
using tup_T = std::tuple<std::string, std::string, std::string, std::string>;
|
|
std::vector<tup_T> wrongTypes = {
|
|
#ifdef __cpp_lib_constexpr_tuple
|
|
#define TUPLE(x, y, z, w) {x, y, z, w}
|
|
#else
|
|
#define TUPLE(x, y, z, w) tup_T(x, y, z, w)
|
|
#endif
|
|
TUPLE("/glTF2/wrongTypes/badArray.gltf", "array", "primitives", "meshes[0]"),
|
|
TUPLE("/glTF2/wrongTypes/badString.gltf", "string", "name", "scenes[0]"),
|
|
TUPLE("/glTF2/wrongTypes/badUint.gltf", "uint", "index", "materials[0]"),
|
|
TUPLE("/glTF2/wrongTypes/badNumber.gltf", "number", "scale", "materials[0]"),
|
|
TUPLE("/glTF2/wrongTypes/badObject.gltf", "object", "pbrMetallicRoughness", "materials[0]"),
|
|
TUPLE("/glTF2/wrongTypes/badExtension.gltf", "object", "KHR_texture_transform", "materials[0]")
|
|
#undef TUPLE
|
|
};
|
|
for (const auto& tuple : wrongTypes)
|
|
{
|
|
const auto& file = std::get<0>(tuple);
|
|
const auto& type = std::get<1>(tuple);
|
|
const auto& member = std::get<2>(tuple);
|
|
const auto& context = std::get<3>(tuple);
|
|
Assimp::Importer importer;
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR + file , aiProcess_ValidateDataStructure);
|
|
ASSERT_EQ(scene, nullptr);
|
|
const std::string error = importer.GetErrorString();
|
|
EXPECT_FALSE(error.empty());
|
|
EXPECT_NE(error.find(member + "\" was not of type \"" + type + "\" when reading " + context), std::string::npos);
|
|
}
|
|
}
|
|
|
|
namespace {
|
|
/// This class provides a fake schema to the GLTF importer.
|
|
/// It just checks that the file has a top-level "scene" property which is an integer.
|
|
class FakeSchemaProvider : public rapidjson::IRemoteSchemaDocumentProvider
|
|
{
|
|
public:
|
|
FakeSchemaProvider(const char* schemaName) :
|
|
m_schemaName(schemaName)
|
|
{
|
|
rapidjson::Document schemaDoc;
|
|
schemaDoc.Parse(R"==({"properties":{"scene" : { "type" : "integer" }}, "required": [ "scene" ]})==");
|
|
EXPECT_FALSE(schemaDoc.HasParseError());
|
|
m_schema.reset(new rapidjson::SchemaDocument(schemaDoc, m_schemaName.c_str(), static_cast<rapidjson::SizeType>(m_schemaName.size()), this));
|
|
}
|
|
|
|
const rapidjson::SchemaDocument* GetRemoteDocument(const char* uri, rapidjson::SizeType) override {
|
|
if (m_schemaName == uri) {
|
|
return m_schema.get();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
private:
|
|
std::string m_schemaName;
|
|
std::unique_ptr<const rapidjson::SchemaDocument> m_schema;
|
|
};
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, schemaCheckPass) {
|
|
FakeSchemaProvider schemaProvider("glTF.schema.json");
|
|
Assimp::Importer importer;
|
|
importer.SetPropertyPointer(AI_CONFIG_IMPORT_SCHEMA_DOCUMENT_PROVIDER, &schemaProvider);
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF/BoxTextured.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(scene, nullptr);
|
|
EXPECT_STREQ(importer.GetErrorString(), "");
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, schemaCheckFail) {
|
|
FakeSchemaProvider schemaProvider("glTF.schema.json");
|
|
Assimp::Importer importer;
|
|
importer.SetPropertyPointer(AI_CONFIG_IMPORT_SCHEMA_DOCUMENT_PROVIDER, &schemaProvider);
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/SchemaFailures/sceneWrongType.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_EQ(scene, nullptr);
|
|
const std::string errorString = importer.GetErrorString();
|
|
EXPECT_NE(errorString.find("The JSON document did not satisfy the glTF2 schema"), std::string::npos);
|
|
}
|
|
|
|
TEST_F(utglTF2ImportExport, noSchemaFound) {
|
|
// More than one importer might make use the provider, but not all schemas might be present.
|
|
// Check that the glTF importer handles the case when an non-null provider returns null when asked for schemas.
|
|
FakeSchemaProvider schemaProvider("missingSchema.json");
|
|
Assimp::Importer importer;
|
|
importer.SetPropertyPointer(AI_CONFIG_IMPORT_SCHEMA_DOCUMENT_PROVIDER, &schemaProvider);
|
|
const aiScene *scene = importer.ReadFile(ASSIMP_TEST_MODELS_DIR "/glTF2/BoxTextured-glTF/BoxTextured.gltf", aiProcess_ValidateDataStructure);
|
|
EXPECT_NE(scene, nullptr);
|
|
EXPECT_STREQ(importer.GetErrorString(), "");
|
|
}
|