public VertexBuffer(float[] data, BufferUsageHint usage, VertexBufferLayout layout)
{
Layout = layout ?? throw new ArgumentNullException(nameof(layout));
Id = GL.GenBuffer();
Logger.Trace("Generated buffer: {0}", Id);
Bind();
GL.BufferData(BufferTarget.ArrayBuffer, data.Length * sizeof(float), data, usage);
Logger.Trace("Set buffer data: {1} bytes ({0})", usage, data.Length * sizeof(float));
Unbind();
}
private void UpdateVAO(VertexBufferLayout vbl)
{
IReadOnlyList <VertexBufferItem> items = vbl.Items;
int offset = 0;
for (int index = 0; index < items.Count; index++)
{
VertexBufferItem item = items[index];
GL.EnableVertexAttribArray(index);
GL.VertexAttribPointer(index, item.Count, item.Type, item.Normalized, vbl.Stride, offset);
offset += item.Count * VertexBufferLayout.GetTypeSize(item.Type);
}
}
