idct->pipe->bind_vs_state(idct->pipe, idct->vs_mismatch);
idct->pipe->bind_fs_state(idct->pipe, idct->fs_mismatch);
util_draw_arrays_instanced(idct->pipe, PIPE_PRIM_POINTS, 0, 1, 0, num_instances);
/* first stage */
idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state);
idct->pipe->bind_vs_state(idct->pipe, idct->vs_mismatch);
idct->pipe->bind_fs_state(idct->pipe, idct->fs_mismatch);
util_draw_arrays_instanced(idct->pipe, PIPE_PRIM_POINTS, 0, 1, 0, num_instances);
/* first stage */
idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state);