dsa->stencil[0].enabled = 1;
dsa->stencil[0].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[0]);
dsa->stencil[0].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[0]);
dsa->stencil[0].enabled = 1;
dsa->stencil[0].func = st_compare_func_to_pipe(st->ctx->Stencil.Function[0]);
dsa->stencil[0].fail_op = gl_stencil_op_to_pipe(st->ctx->Stencil.FailFunc[0]);