private static void _MergeIndices(IEnumerable <PackedPrimitiveBuilder <TMaterial> > primitives)
{
var indexBuffers = new PackedBuffer();
foreach (var p in primitives)
{
indexBuffers.AddAccessors(p._IndexAccessors);
}
indexBuffers.MergeBuffers();
}
private static void _MergeStridedVertices(IEnumerable <PackedPrimitiveBuilder <TMaterial> > primitives)
{
var perVertexGroups = primitives
.ToList()
.GroupBy(item => item._StridedVertexType);
foreach (var group in perVertexGroups)
{
var vertexBuffers = new PackedBuffer();
foreach (var p in group)
{
vertexBuffers.AddAccessors(p._VertexAccessors);
}
vertexBuffers.MergeBuffers();
}
}
private static void _MergeStreamedVertices(IEnumerable <Memory.MemoryAccessor[]> primitives)
{
var vertexBuffers = new Dictionary <string, PackedBuffer>();
foreach (var vvv in primitives)
{
foreach (var v in vvv)
{
var k = v.Attribute.Name;
if (!vertexBuffers.TryGetValue(k, out PackedBuffer packed))
{
vertexBuffers[k] = packed = new PackedBuffer();
}
packed.AddAccessors(v);
}
}
foreach (var vb in vertexBuffers.Values)
{
vb.MergeBuffers();
}
}
