public static MeshData CreateFullScreenQuad() {
var ret = new MeshData();
ret.Vertices.Add(new Vertex(-1, -1, 0, 0, 0, -1, 1, 0, 0, 0, 1));
ret.Vertices.Add(new Vertex(-1, 1, 0, 0, 0, -1, 1, 0, 0, 0, 0));
ret.Vertices.Add(new Vertex(1, 1, 0, 0, 0, -1, 1, 0, 0, 1, 0));
ret.Vertices.Add(new Vertex(1, -1, 0, 0, 0, -1, 1, 0, 0, 1, 1));
ret.Indices.AddRange(new[] { 0, 1, 2, 0, 2, 3 });
return ret;
}
}