public override Primitive?CreatePrimitive()
{
Profiler.BeginSample("CreatePrimitive");
jobHandle.Complete();
var msh = new UnityEngine.Mesh();
msh.name = mesh.name;
vertexData.ApplyOnMesh(msh, defaultMeshUpdateFlags);
Profiler.BeginSample("SetIndices");
int indexCount = 0;
var allBounds = vertexData.bounds;
for (int i = 0; i < indices.Length; i++)
{
indexCount += indices[i].Length;
}
Profiler.BeginSample("SetIndexBufferParams");
msh.SetIndexBufferParams(indexCount, IndexFormat.UInt32); //TODO: UInt16 maybe?
Profiler.EndSample();
msh.subMeshCount = indices.Length;
indexCount = 0;
for (int i = 0; i < indices.Length; i++)
{
Profiler.BeginSample("SetIndexBufferData");
msh.SetIndexBufferData(indices[i], 0, indexCount, indices[i].Length, defaultMeshUpdateFlags);
Profiler.EndSample();
Profiler.BeginSample("SetSubMesh");
var subMeshDescriptor = new SubMeshDescriptor {
indexStart = indexCount,
indexCount = indices[i].Length,
topology = topology,
baseVertex = 0,
firstVertex = 0,
vertexCount = vertexData.vertexCount
};
if (allBounds.HasValue)
{
// Setting the submeshes' bounds to the overall bounds
// Calculating the actual sub-mesh bounds (by iterating the verts referenced
// by the sub-mesh indices) would be slow. Also, hardly any glTFs re-use
// the same vertex buffer across primitives of a node (which is the
// only way a mesh can have sub-meshes)
subMeshDescriptor.bounds = allBounds.Value;
}
msh.SetSubMesh(i, subMeshDescriptor, defaultMeshUpdateFlags);
Profiler.EndSample();
indexCount += indices[i].Length;
}
Profiler.EndSample();
if (vertexData.calculateNormals)
{
Profiler.BeginSample("RecalculateNormals");
msh.RecalculateNormals();
Profiler.EndSample();
}
if (vertexData.calculateTangents)
{
Profiler.BeginSample("RecalculateTangents");
msh.RecalculateTangents();
Profiler.EndSample();
}
if (allBounds.HasValue)
{
msh.bounds = allBounds.Value;
}
else
{
Profiler.BeginSample("RecalculateBounds");
#if DEBUG
Debug.LogError("Bounds have to be recalculated (slow operation). Check if position accessors have proper min/max values");
#endif
msh.RecalculateBounds();
Profiler.EndSample();
}
#if GLTFAST_KEEP_MESH_DATA
Profiler.BeginSample("UploadMeshData");
msh.UploadMeshData(false);
Profiler.EndSample();
#else
/// Don't upload explicitely. Unity takes care of upload on demand/deferred
// Profiler.BeginSample("UploadMeshData");
// msh.UploadMeshData(true);
// Profiler.EndSample();
#endif
Profiler.BeginSample("Dispose");
Dispose();
Profiler.EndSample();
Profiler.EndSample();
return(new Primitive(msh, materials));
}
public override Primitive?CreatePrimitive()
{
Profiler.BeginSample("CreatePrimitive");
jobHandle.Complete();
var msh = new UnityEngine.Mesh();
msh.name = mesh.name;
MeshUpdateFlags flags = MeshUpdateFlags.DontNotifyMeshUsers | MeshUpdateFlags.DontRecalculateBounds | MeshUpdateFlags.DontResetBoneBounds | MeshUpdateFlags.DontValidateIndices;
vertexData.ApplyOnMesh(msh, flags);
Profiler.BeginSample("SetIndices");
int indexCount = 0;
for (int i = 0; i < indices.Length; i++)
{
indexCount += indices[i].Length;
}
Profiler.BeginSample("SetIndexBufferParams");
msh.SetIndexBufferParams(indexCount, IndexFormat.UInt32); //TODO: UInt16 maybe?
Profiler.EndSample();
msh.subMeshCount = indices.Length;
indexCount = 0;
for (int i = 0; i < indices.Length; i++)
{
Profiler.BeginSample("SetIndexBufferData");
msh.SetIndexBufferData(indices[i], 0, indexCount, indices[i].Length, flags);
Profiler.EndSample();
Profiler.BeginSample("SetSubMesh");
msh.SetSubMesh(i, new SubMeshDescriptor(indexCount, indices[i].Length, topology), flags);
Profiler.EndSample();
indexCount += indices[i].Length;
}
Profiler.EndSample();
if (vertexData.calculateNormals)
{
Profiler.BeginSample("RecalculateNormals");
msh.RecalculateNormals();
Profiler.EndSample();
}
if (vertexData.calculateTangents)
{
Profiler.BeginSample("RecalculateTangents");
msh.RecalculateTangents();
Profiler.EndSample();
}
Profiler.BeginSample("RecalculateBounds");
msh.RecalculateBounds(); // TODO: make optional! maybe calculate bounds in Job.
Profiler.EndSample();
#if GLTFAST_KEEP_MESH_DATA
Profiler.BeginSample("UploadMeshData");
msh.UploadMeshData(false);
Profiler.EndSample();
#else
/// Don't upload explicitely. Unity takes care of upload on demand/deferred
// Profiler.BeginSample("UploadMeshData");
// msh.UploadMeshData(true);
// Profiler.EndSample();
#endif
Profiler.BeginSample("Dispose");
Dispose();
Profiler.EndSample();
Profiler.EndSample();
return(new Primitive(msh, materials));
}