public RenderBuffer(IOpenGL30 gl, int width, int height, PixelInternalFormat internalFormat, int samples)
{
if(gl == null)
throw new ArgumentNullException("gl");
if(width <= 0)
throw new ArgumentException("Width must be greater than 0", "width");
if(height <= 0)
throw new ArgumentException("Height must be greater than 0.", "height");
uint handle = gl.GenRenderBuffer();
if(handle == 0)
throw new NoHandleCreatedException();
Handle = handle;
Width = width;
Height = height;
InternalFormat = internalFormat;
_gl = gl;
gl.BindRenderbuffer(Constants.Renderbuffer, Handle);
gl.RenderbufferStorage(Constants.Renderbuffer, (uint)InternalFormat, Width, Height);
gl.BindRenderbuffer(Constants.Renderbuffer, 0);
}