void vrend_renderer_force_ctx_0(void)
{
   vrend_state.current_ctx = NULL;
   vrend_state.current_hw_ctx = NULL;
   vrend_hw_switch_context(vrend_state.ctx0, true);
}
void vrend_renderer_force_ctx_0(void)
{
   vrend_state.current_ctx = NULL;
   vrend_state.current_hw_ctx = NULL;
   vrend_hw_switch_context(vrend_state.ctx0, true);
}