Add unit test for glTF primitive mode

test/models/glTF2/glTF-Asset-Generator/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Gary Hsu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_00.gltf

@@ -0,0 +1,63 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 1024,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_00.bin",
+      "byteLength": 12288
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 12288,
+      "name": "Positions"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "mode": 0
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_01.gltf

@@ -0,0 +1,63 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 8,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_01.bin",
+      "byteLength": 96
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 96,
+      "name": "Positions"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "mode": 1
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_02.gltf

@@ -0,0 +1,63 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_02.bin",
+      "byteLength": 48
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "mode": 2
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_03.gltf

@@ -0,0 +1,63 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 5,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_03.bin",
+      "byteLength": 60
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 60,
+      "name": "Positions"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "mode": 3
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_04.gltf

@@ -0,0 +1,63 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_04.bin",
+      "byteLength": 48
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "mode": 5
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_05.gltf

@@ -0,0 +1,63 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_05.bin",
+      "byteLength": 48
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "mode": 6
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_06.gltf

@@ -0,0 +1,62 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 6,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_06.bin",
+      "byteLength": 72
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 72,
+      "name": "Positions"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          }
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_07.gltf

@@ -0,0 +1,77 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 1024,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5125,
+      "count": 1024,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_07.bin",
+      "byteLength": 16384
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 12288,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 12288,
+      "byteLength": 4096,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1,
+          "mode": 0
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_08.gltf

@@ -0,0 +1,77 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5125,
+      "count": 8,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_08.bin",
+      "byteLength": 80
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 48,
+      "byteLength": 32,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1,
+          "mode": 1
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_09.gltf

@@ -0,0 +1,77 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5125,
+      "count": 4,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_09.bin",
+      "byteLength": 64
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 48,
+      "byteLength": 16,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1,
+          "mode": 2
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_10.gltf

@@ -0,0 +1,77 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5125,
+      "count": 5,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_10.bin",
+      "byteLength": 68
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 48,
+      "byteLength": 20,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1,
+          "mode": 3
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_11.gltf

@@ -0,0 +1,77 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5125,
+      "count": 4,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_11.bin",
+      "byteLength": 64
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 48,
+      "byteLength": 16,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1,
+          "mode": 5
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_12.gltf

@@ -0,0 +1,77 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5125,
+      "count": 4,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_12.bin",
+      "byteLength": 64
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 48,
+      "byteLength": 16,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1,
+          "mode": 6
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_13.gltf

@@ -0,0 +1,76 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5125,
+      "count": 6,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_13.bin",
+      "byteLength": 72
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 48,
+      "byteLength": 24,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_14.gltf

@@ -0,0 +1,76 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5121,
+      "count": 6,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_14.bin",
+      "byteLength": 54
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 48,
+      "byteLength": 6,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/Mesh_PrimitiveMode_15.gltf

@@ -0,0 +1,76 @@
+{
+  "accessors": [
+    {
+      "bufferView": 0,
+      "componentType": 5126,
+      "count": 4,
+      "type": "VEC3",
+      "max": [
+        0.5,
+        0.5,
+        0.0
+      ],
+      "min": [
+        -0.5,
+        -0.5,
+        0.0
+      ],
+      "name": "Positions Accessor"
+    },
+    {
+      "bufferView": 1,
+      "componentType": 5123,
+      "count": 6,
+      "type": "SCALAR",
+      "name": "Indices Accessor"
+    }
+  ],
+  "asset": {
+    "generator": "glTF Asset Generator",
+    "version": "2.0"
+  },
+  "buffers": [
+    {
+      "uri": "Mesh_PrimitiveMode_15.bin",
+      "byteLength": 60
+    }
+  ],
+  "bufferViews": [
+    {
+      "buffer": 0,
+      "byteLength": 48,
+      "name": "Positions"
+    },
+    {
+      "buffer": 0,
+      "byteOffset": 48,
+      "byteLength": 12,
+      "name": "Indices"
+    }
+  ],
+  "meshes": [
+    {
+      "primitives": [
+        {
+          "attributes": {
+            "POSITION": 0
+          },
+          "indices": 1
+        }
+      ]
+    }
+  ],
+  "nodes": [
+    {
+      "mesh": 0
+    }
+  ],
+  "scene": 0,
+  "scenes": [
+    {
+      "nodes": [
+        0
+      ]
+    }
+  ]
+}

test/models/glTF2/glTF-Asset-Generator/Mesh_PrimitiveMode/README.md

@@ -0,0 +1,33 @@
+These models are intended to test indices, vertexes without indices, and using mode to render different primitive types.  
+
+All values of Byte, Short, and Int are unsigned.  
+
+All model indices relate to vertices as shown by the Indices figure below, except for models using Points Mode:  
+
+| Indices | Indices (For Points Mode) |
+| :---: | :---: | 
+| <img src="Figures/Indices.png" height="144" width="144" align="middle"> | <img src="Figures/Indices_Points.png" height="144" width="144" align="middle"> | 
+
+<br>
+
+The following table shows the properties that are set for a given model.  
+
+|   | Sample Image | Mode | Indices Values | Indices Component Type |
+| :---: | :---: | :---: | :---: | :---: |
+| [00](Mesh_PrimitiveMode_00.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=0) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_00.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_00.png) | Points |   |   |
+| [01](Mesh_PrimitiveMode_01.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=1) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_01.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_01.png) | Lines |   |   |
+| [02](Mesh_PrimitiveMode_02.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=2) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_02.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_02.png) | Line Loop |   |   |
+| [03](Mesh_PrimitiveMode_03.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=3) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_03.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_03.png) | Line Strip |   |   |
+| [04](Mesh_PrimitiveMode_04.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=4) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_04.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_04.png) | Triangle Strip |   |   |
+| [05](Mesh_PrimitiveMode_05.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=5) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_05.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_05.png) | Triangle Fan |   |   |
+| [06](Mesh_PrimitiveMode_06.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=6) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_06.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_06.png) | Triangles |   |   |
+| [07](Mesh_PrimitiveMode_07.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=7) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_07.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_07.png) | Points | [0 - 1023] | Int |
+| [08](Mesh_PrimitiveMode_08.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=8) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_08.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_08.png) | Lines | [0, 3, 3, 2, 2, 1, 1, 0] | Int |
+| [09](Mesh_PrimitiveMode_09.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=9) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_09.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_09.png) | Line Loop | [0, 3, 2, 1] | Int |
+| [10](Mesh_PrimitiveMode_10.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=10) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_10.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_10.png) | Line Strip | [0, 3, 2, 1, 0] | Int |
+| [11](Mesh_PrimitiveMode_11.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=11) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_11.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_11.png) | Triangle Strip | [0, 3, 1, 2] | Int |
+| [12](Mesh_PrimitiveMode_12.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=12) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_12.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_12.png) | Triangle Fan | [0, 3, 2, 1] | Int |
+| [13](Mesh_PrimitiveMode_13.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=13) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_13.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_13.png) | Triangles | [1, 0, 3, 1, 3, 2] | Int |
+| [14](Mesh_PrimitiveMode_14.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=14) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_14.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_14.png) | Triangles | [1, 0, 3, 1, 3, 2] | Byte |
+| [15](Mesh_PrimitiveMode_15.gltf)<br>[View](https://bghgary.github.io/glTF-Assets-Viewer/?folder=12&model=15) | [<img src="Figures/Thumbnails/Mesh_PrimitiveMode_15.png" align="middle">](Figures/SampleImages/Mesh_PrimitiveMode_15.png) | Triangles | [1, 0, 3, 1, 3, 2] | Short |
+ 

test/unit/utglTF2ImportExport.cpp

@@ -47,6 +47,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <assimp/Exporter.hpp>
 #include <assimp/postprocess.h>
 #include <assimp/scene.h>
+#include <array>
 
 using namespace Assimp;
 
@@ -100,6 +101,50 @@ TEST_F( utglTF2ImportExport, importBinaryglTF2FromFileTest ) {
     EXPECT_TRUE( binaryImporterTest() );
 }
 
+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, 4);
+    EXPECT_EQ(scene->mMeshes[0]->mNumFaces, 2);
+    std::array<int, 3> f1 = { 0, 3, 2 };
+    EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 3);
+    for (int i = 0; i < 3; ++i)
+    {
+        EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mIndices[i], f1[i]);
+    }
+
+    std::array<int, 3> f2 = { 0, 2, 1 };
+    EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mNumIndices, 3);
+    for (int i = 0; i < 3; ++i)
+    {
+        EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mIndices[i], f2[i]);
+    }
+}
+
+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, 2);
+    EXPECT_EQ(scene->mMeshes[0]->mNumVertices, 4);
+    std::array<int, 3> f1 = { 0, 3, 1 };
+    EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mNumIndices, 3);
+    for (int i = 0; i < 3; ++i)
+    {
+        EXPECT_EQ(scene->mMeshes[0]->mFaces[0].mIndices[i], f1[i]);
+    }
+
+    std::array<int, 3> f2 = { 1, 3, 2 };
+    EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mNumIndices, 3);
+    for (int i = 0; i < 3; ++i)
+    {
+        EXPECT_EQ(scene->mMeshes[0]->mFaces[1].mIndices[i], f2[i]);
+    }
+}
+
 #ifndef ASSIMP_BUILD_NO_EXPORT
 TEST_F( utglTF2ImportExport, exportglTF2FromFileTest ) {
     EXPECT_TRUE( exporterTest() );