- GLint x = ctx->DrawBuffer->_Xmin;
- GLint y = ctx->DrawBuffer->_Ymin;
- GLint width = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin;
- GLint height = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin;
- ctx->Driver.Accum(ctx, op, value, x, y, width, height);