public void SetData(TriangleBuffer triangles, BufferUsageHint usageHint)
{
_indexCount = triangles.IndexCount;
if (_indexCount % 3 != 0)
{
throw new IndexOutOfRangeException("Number of index entries must be divisible by 3.");
}
if (_indexCount == 0)
{
Dispose();
return;
}
if (_vertexArray == 0)
{
_vertexArray = GL.GenVertexArray();
_elementArrayBuffer = GL.GenBuffer();
_arrayBuffer = GL.GenBuffer();
GL.BindVertexArray(_vertexArray);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, _elementArrayBuffer);
GL.BindBuffer(BufferTarget.ArrayBuffer, _arrayBuffer);
_specification.Bind();
}
else
{
GL.BindBuffer(BufferTarget.ElementArrayBuffer, _elementArrayBuffer);
GL.BindBuffer(BufferTarget.ArrayBuffer, _arrayBuffer);
}
triangles.UploadData(usageHint);
}
