+ /* Position element */
+ vertex_elems[0].src_offset = 0;
+ vertex_elems[0].instance_divisor = 0;
+ vertex_elems[0].vertex_buffer_index = 0;
+ vertex_elems[0].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Luma, texcoord element */
+ vertex_elems[1].src_offset = sizeof(struct vertex2f);
+ vertex_elems[1].instance_divisor = 0;
+ vertex_elems[1].vertex_buffer_index = 0;
+ vertex_elems[1].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Chroma Cr texcoord element */
+ vertex_elems[2].src_offset = sizeof(struct vertex2f) * 2;
+ vertex_elems[2].instance_divisor = 0;
+ vertex_elems[2].vertex_buffer_index = 0;
+ vertex_elems[2].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Chroma Cb texcoord element */
+ vertex_elems[3].src_offset = sizeof(struct vertex2f) * 3;
+ vertex_elems[3].instance_divisor = 0;
+ vertex_elems[3].vertex_buffer_index = 0;
+ vertex_elems[3].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* First ref surface top field texcoord element */
+ vertex_elems[4].src_offset = 0;
+ vertex_elems[4].instance_divisor = 0;
+ vertex_elems[4].vertex_buffer_index = 1;
+ vertex_elems[4].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* First ref surface bottom field texcoord element */
+ vertex_elems[5].src_offset = sizeof(struct vertex2f);
+ vertex_elems[5].instance_divisor = 0;
+ vertex_elems[5].vertex_buffer_index = 1;
+ vertex_elems[5].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Second ref surface top field texcoord element */
+ vertex_elems[6].src_offset = 0;
+ vertex_elems[6].instance_divisor = 0;
+ vertex_elems[6].vertex_buffer_index = 2;
+ vertex_elems[6].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* Second ref surface bottom field texcoord element */
+ vertex_elems[7].src_offset = sizeof(struct vertex2f);
+ vertex_elems[7].instance_divisor = 0;
+ vertex_elems[7].vertex_buffer_index = 2;
+ vertex_elems[7].src_format = PIPE_FORMAT_R32G32_FLOAT;
+
+ /* need versions with 4,6 and 8 vertex elems */
+ r->vertex_elems[0] = r->pipe->create_vertex_elements_state(r->pipe, 4, vertex_elems);
+ r->vertex_elems[1] = r->pipe->create_vertex_elements_state(r->pipe, 6, vertex_elems);
+ r->vertex_elems[2] = r->pipe->create_vertex_elements_state(r->pipe, 8, vertex_elems);
+