protected void CreateBufferFromFile(Device device, string fileName)
{
DebugVertexType[] vertices;
UInt16[] indices;
ModelLoader modelLoader = new ModelLoader(device);
modelLoader.LoadPrimitveFromFile(fileName, out vertices, out indices);
m_vertexCount = vertices.Length;
m_indexCount = indices.Length;
BufferDescription vertexBufferDescription = new BufferDescription(Utilities.SizeOf <DebugVertexType>() * m_vertexCount, BindFlags.VertexBuffer, ResourceUsage.Default);
m_vertexBuffer = Buffer.Create(device, vertices, vertexBufferDescription);
m_indexBuffer = Buffer.Create(device, BindFlags.IndexBuffer, indices);
BufferDescription instanceBufferDesc = new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = Utilities.SizeOf <PrimitivePerInstanceData>() * MAX_NUM_INSTANCES,
Usage = ResourceUsage.Dynamic
};
m_instanceBuffer = new Buffer(device, instanceBufferDesc);
modelLoader.Dispose();
}