function d3d_primitive_begin_texture(arg0, arg1)
{
    if (global.__d3dPrimKind != -1)
        show_debug_message("ERROR : cannot begin a primitive before end called on previous");
    global.__d3dPrimKind = arg0;
    global.__d3dPrimTex = arg1;
    var __uvs = texture_get_uvs(global.__d3dPrimTex);
    global.__d3dPrimTexX = __uvs[0];
    global.__d3dPrimTexY = __uvs[1];
    global.__d3dPrimTexW = __uvs[2] - __uvs[0];
    global.__d3dPrimTexH = __uvs[3] - __uvs[1];
    vertex_begin(global.__d3dPrimBuffer, global.__d3dPrimVF);
}