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Diffstat (limited to 'NvCloth/samples/external/assimp-4.1.0/test/unit/utSplitLargeMeshes.cpp')
| -rw-r--r-- | NvCloth/samples/external/assimp-4.1.0/test/unit/utSplitLargeMeshes.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/NvCloth/samples/external/assimp-4.1.0/test/unit/utSplitLargeMeshes.cpp b/NvCloth/samples/external/assimp-4.1.0/test/unit/utSplitLargeMeshes.cpp new file mode 100644 index 0000000..af6ed14 --- /dev/null +++ b/NvCloth/samples/external/assimp-4.1.0/test/unit/utSplitLargeMeshes.cpp @@ -0,0 +1,169 @@ +/* +--------------------------------------------------------------------------- +Open Asset Import Library (assimp) +--------------------------------------------------------------------------- + +Copyright (c) 2006-2017, 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 "UnitTestPCH.h" + +#include <assimp/scene.h> +#include <SplitLargeMeshes.h> + + +using namespace std; +using namespace Assimp; + +class SplitLargeMeshesTest : public ::testing::Test +{ +public: + + virtual void SetUp(); + virtual void TearDown(); + +protected: + + SplitLargeMeshesProcess_Triangle* piProcessTriangle; + SplitLargeMeshesProcess_Vertex* piProcessVertex; + +}; + +// ------------------------------------------------------------------------------------------------ +void SplitLargeMeshesTest::SetUp() +{ + // construct the processes + this->piProcessTriangle = new SplitLargeMeshesProcess_Triangle(); + this->piProcessVertex = new SplitLargeMeshesProcess_Vertex(); + + this->piProcessTriangle->SetLimit(1000); + this->piProcessVertex->SetLimit(1000); + +} + +// ------------------------------------------------------------------------------------------------ +void SplitLargeMeshesTest::TearDown() +{ + delete this->piProcessTriangle; + delete this->piProcessVertex; +} + +// ------------------------------------------------------------------------------------------------ +TEST_F(SplitLargeMeshesTest, testVertexSplit) +{ + std::vector< std::pair<aiMesh*, unsigned int> > avOut; + + aiMesh *pcMesh1 = new aiMesh(); + pcMesh1->mNumVertices = 2100; // quersumme: 3 + pcMesh1->mVertices = new aiVector3D[pcMesh1->mNumVertices]; + pcMesh1->mNormals = new aiVector3D[pcMesh1->mNumVertices]; + + pcMesh1->mNumFaces = pcMesh1->mNumVertices / 3; + pcMesh1->mFaces = new aiFace[pcMesh1->mNumFaces]; + + unsigned int qq = 0; + for (unsigned int i = 0; i < pcMesh1->mNumFaces;++i) + { + aiFace& face = pcMesh1->mFaces[i]; + face.mNumIndices = 3; + face.mIndices = new unsigned int[3]; + face.mIndices[0] = qq++; + face.mIndices[1] = qq++; + face.mIndices[2] = qq++; + } + + + int iOldFaceNum = (int)pcMesh1->mNumFaces; + piProcessVertex->SplitMesh(0,pcMesh1,avOut); + + for (std::vector< std::pair<aiMesh*, unsigned int> >::const_iterator + iter = avOut.begin(), end = avOut.end(); + iter != end; ++iter) + { + aiMesh* mesh = (*iter).first; + EXPECT_LT(mesh->mNumVertices, 1000U); + EXPECT_TRUE(NULL != mesh->mNormals); + EXPECT_TRUE(NULL != mesh->mVertices); + + iOldFaceNum -= mesh->mNumFaces; + delete mesh; + } + EXPECT_EQ(0, iOldFaceNum); +} + +// ------------------------------------------------------------------------------------------------ +TEST_F(SplitLargeMeshesTest, testTriangleSplit) +{ + std::vector< std::pair<aiMesh*, unsigned int> > avOut; + + // generate many, many faces with randomized indices for + // the second mesh + aiMesh *pcMesh2 = new aiMesh(); + pcMesh2->mNumVertices = 3000; + pcMesh2->mVertices = new aiVector3D[pcMesh2->mNumVertices]; + pcMesh2->mNormals = new aiVector3D[pcMesh2->mNumVertices]; + + pcMesh2->mNumFaces = 10000; + pcMesh2->mFaces = new aiFace[pcMesh2->mNumFaces]; + + for (unsigned int i = 0; i < pcMesh2->mNumFaces;++i) + { + aiFace& face = pcMesh2->mFaces[i]; + face.mNumIndices = 3; + face.mIndices = new unsigned int[3]; + face.mIndices[0] = (unsigned int)((rand() / (float)RAND_MAX) * pcMesh2->mNumVertices); + face.mIndices[1] = (unsigned int)((rand() / (float)RAND_MAX) * pcMesh2->mNumVertices); + face.mIndices[2] = (unsigned int)((rand() / (float)RAND_MAX) * pcMesh2->mNumVertices); + } + + // the number of faces shouldn't change + int iOldFaceNum = (int)pcMesh2->mNumFaces; + piProcessTriangle->SplitMesh(0,pcMesh2,avOut); + + for (std::vector< std::pair<aiMesh*, unsigned int> >::const_iterator + iter = avOut.begin(), end = avOut.end(); + iter != end; ++iter) + { + aiMesh* mesh = (*iter).first; + EXPECT_LT(mesh->mNumFaces, 1000U); + EXPECT_TRUE(NULL != mesh->mNormals); + EXPECT_TRUE(NULL != mesh->mVertices); + + iOldFaceNum -= mesh->mNumFaces; + delete mesh; + } + EXPECT_EQ(0, iOldFaceNum); +} |