static void _g2d_drv_overlay_set_roi_info(G2D_HANDLE_STRUCT *handle)
{
   G2D_OVERLAY_STRUCT *overlayFunc = &(handle->overlayFunc);
   G2D_WINDOW_STRUCT *roiWindow = &(handle->overlayFunc.roiWindow);

   /// setting the avoidance and replacement colors
   g2d_drv_set_replacement_colors(handle);

   /// setting the clipping window
   g2d_drv_set_clipping_window(handle);

   SET_G2D_ROI_OFFSET(roiWindow->topLeft.x, roiWindow->topLeft.y);
   SET_G2D_ROI_SIZE(roiWindow->buttomRight.x - roiWindow->topLeft.x + 1, roiWindow->buttomRight.y - roiWindow->topLeft.y + 1);

   #if defined(G2D_FPGA)
      if(KAL_TRUE == (overlayFunc->backgroundDisable))
      {
         DISABLE_G2D_ROI_CON_BG;
      }
      else
      {
         SET_G2D_ROI_CON_BG_COLOR(overlayFunc->backgroundColor);
      }
   #else
      SET_G2D_ROI_CON_BG_COLOR(overlayFunc->backgroundColor);
   #endif
   
   if(KAL_TRUE == (overlayFunc->dstAlphaEnable))
   {
      ENABLE_G2D_ROI_CON_ALPHA;
      SET_G2D_ROI_CON_ALPHA(overlayFunc->dstAlphaValue);
   }

   /// color setting is on _g2d_drv_overlay_set_dst_info
   //Enable Tile
   {
      #if defined(G2D_FPGA)
         ///if(KAL_FALSE == (handle->auto_tile_size_enable))
         ///{
         ///   REG_G2D_ROI_CON |= G2D_ROI_CON_ENABLE_FORCE_TS_BIT;
         ///   switch(handle->tile_size)
         ///   {
         ///      case G2D_TILE_SIZE_TYPE_8x8:
         ///         REG_G2D_ROI_CON |= G2D_ROI_CON_TILE_SIZE_8x8_BIT;
         ///      break;
         ///      case G2D_TILE_SIZE_TYPE_16x8:
         ///         REG_G2D_ROI_CON |= G2D_ROI_CON_TILE_SIZE_16x8_BIT;
         ///      break;
         ///      default:
         ///         ASSERT(0);
         ///   }
         ///}
      #else
      #endif
   }
}
static void _g2d_drv_set_roi_info(g2d_context_t *g2d_ctx)
{
    SET_G2D_ROI_OFFSET(g2d_ctx->dst.offset.x, g2d_ctx->dst.offset.y);
    SET_G2D_ROI_SIZE(g2d_ctx->dst.width, g2d_ctx->dst.height);

    if (g2d_ctx->flag & G2D_FLAG_AFFINE_TRANSFORM)
    {
        REG_G2D_ROI_CON |= G2D_ROI_CON_ENABLE_FORCE_TS_BIT;
        REG_G2D_ROI_CON |= G2D_ROI_CON_TILE_SIZE_16x8_BIT;
    }

    if (g2d_ctx->flag & G2D_FLAG_BACKGROUND_COLOR)
    {
        SET_G2D_ROI_CON_BG_COLOR(g2d_ctx->bg_color);
    }
    else
    {
        DISABLE_G2D_ROI_CON_BG;
    }
}